/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dec-subseq-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 13:51:51,918 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 13:51:51,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 13:51:51,952 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-17 13:51:51,952 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-17 13:51:51,964 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-17 13:51:51,965 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-17 13:51:51,969 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-17 13:51:51,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-17 13:51:51,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-17 13:51:51,975 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-17 13:51:51,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-17 13:51:51,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-17 13:51:51,977 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-17 13:51:51,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-17 13:51:51,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-17 13:51:51,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-17 13:51:51,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-17 13:51:51,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-17 13:51:51,987 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-17 13:51:51,988 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-17 13:51:51,989 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-17 13:51:51,990 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-17 13:51:51,991 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-17 13:51:51,996 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-17 13:51:51,996 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-17 13:51:51,996 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-17 13:51:51,997 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-17 13:51:51,998 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-17 13:51:51,998 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-17 13:51:51,998 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-17 13:51:51,999 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-17 13:51:52,001 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-17 13:51:52,002 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-17 13:51:52,002 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-17 13:51:52,003 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-17 13:51:52,003 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-17 13:51:52,003 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-17 13:51:52,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-17 13:51:52,004 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-17 13:51:52,004 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-17 13:51:52,007 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf [2021-06-17 13:51:52,035 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 13:51:52,035 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 13:51:52,036 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 13:51:52,036 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 13:51:52,038 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 13:51:52,038 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 13:51:52,038 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 13:51:52,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 13:51:52,038 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 13:51:52,039 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 13:51:52,039 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 13:51:52,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 13:51:52,039 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 13:51:52,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 13:51:52,040 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 13:51:52,040 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 13:51:52,040 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 13:51:52,040 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 13:51:52,040 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 13:51:52,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 13:51:52,041 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 13:51:52,041 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 13:51:52,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 13:51:52,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 13:51:52,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 13:51:52,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 13:51:52,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 13:51:52,041 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 13:51:52,042 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-17 13:51:52,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 13:51:52,042 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 13:51:52,042 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 13:51:52,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 13:51:52,042 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-17 13:51:52,042 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-17 13:51:52,042 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 13:51:52,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 13:51:52,340 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 13:51:52,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 13:51:52,343 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-17 13:51:52,344 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-17 13:51:52,344 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dec-subseq-array.wvr.bpl [2021-06-17 13:51:52,344 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dec-subseq-array.wvr.bpl' [2021-06-17 13:51:52,379 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 13:51:52,380 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-17 13:51:52,382 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 13:51:52,382 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 13:51:52,382 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 13:51:52,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:51:52" (1/1) ... [2021-06-17 13:51:52,397 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:51:52" (1/1) ... [2021-06-17 13:51:52,402 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 13:51:52,404 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 13:51:52,404 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 13:51:52,404 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 13:51:52,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:51:52" (1/1) ... [2021-06-17 13:51:52,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:51:52" (1/1) ... [2021-06-17 13:51:52,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:51:52" (1/1) ... [2021-06-17 13:51:52,411 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:51:52" (1/1) ... [2021-06-17 13:51:52,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:51:52" (1/1) ... [2021-06-17 13:51:52,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:51:52" (1/1) ... [2021-06-17 13:51:52,417 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:51:52" (1/1) ... [2021-06-17 13:51:52,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 13:51:52,420 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 13:51:52,420 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 13:51:52,420 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 13:51:52,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:51:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 13:51:52,475 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-17 13:51:52,476 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-17 13:51:52,476 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-17 13:51:52,476 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-17 13:51:52,476 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-17 13:51:52,476 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-17 13:51:52,476 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-17 13:51:52,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 13:51:52,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 13:51:52,479 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-17 13:51:52,616 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 13:51:52,616 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-17 13:51:52,618 INFO L202 PluginConnector]: Adding new model dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 01:51:52 BoogieIcfgContainer [2021-06-17 13:51:52,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 13:51:52,619 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 13:51:52,619 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 13:51:52,621 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 13:51:52,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:51:52" (1/2) ... [2021-06-17 13:51:52,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22f13804 and model type dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 01:51:52, skipping insertion in model container [2021-06-17 13:51:52,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 01:51:52" (2/2) ... [2021-06-17 13:51:52,623 INFO L111 eAbstractionObserver]: Analyzing ICFG dec-subseq-array.wvr.bpl [2021-06-17 13:51:52,626 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 13:51:52,626 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 13:51:52,626 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 13:51:52,627 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 13:51:52,647 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-17 13:51:52,661 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-17 13:51:52,695 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 13:51:52,696 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 13:51:52,696 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 13:51:52,696 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 13:51:52,696 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 13:51:52,696 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 13:51:52,696 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 13:51:52,696 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 13:51:52,794 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:51:52,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:51:52,798 INFO L82 PathProgramCache]: Analyzing trace with hash -1769880548, now seen corresponding path program 1 times [2021-06-17 13:51:52,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:51:52,803 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006112554] [2021-06-17 13:51:52,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:51:52,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:51:52,904 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:51:52,905 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:51:52,906 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006112554] [2021-06-17 13:51:52,906 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006112554] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 13:51:52,906 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 13:51:52,906 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-17 13:51:52,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139461964] [2021-06-17 13:51:52,910 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-17 13:51:52,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:51:52,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-17 13:51:52,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-17 13:51:52,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:51:52,919 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:51:52,921 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 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) [2021-06-17 13:51:52,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:51:52,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:51:52,937 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 13:51:52,937 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:51:52,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:51:52,938 INFO L82 PathProgramCache]: Analyzing trace with hash -1050961691, now seen corresponding path program 1 times [2021-06-17 13:51:52,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:51:52,938 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264808896] [2021-06-17 13:51:52,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:51:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:51:52,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:51:52,952 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:51:52,953 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264808896] [2021-06-17 13:51:52,953 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264808896] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 13:51:52,953 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 13:51:52,953 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-17 13:51:52,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901673117] [2021-06-17 13:51:52,954 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-17 13:51:52,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:51:52,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-17 13:51:52,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-17 13:51:52,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:51:52,955 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:51:52,955 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) [2021-06-17 13:51:52,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:51:52,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:51:53,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:51:53,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:51:53,006 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-17 13:51:53,006 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:51:53,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:51:53,006 INFO L82 PathProgramCache]: Analyzing trace with hash -461582748, now seen corresponding path program 1 times [2021-06-17 13:51:53,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:51:53,007 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700201519] [2021-06-17 13:51:53,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:51:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:51:53,050 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-17 13:51:53,050 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:51:53,050 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700201519] [2021-06-17 13:51:53,050 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700201519] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:51:53,050 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312391786] [2021-06-17 13:51:53,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:51:53,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:51:53,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-17 13:51:53,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:51:53,232 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-17 13:51:53,233 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [312391786] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 13:51:53,233 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-17 13:51:53,233 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2021-06-17 13:51:53,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38712667] [2021-06-17 13:51:53,234 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-17 13:51:53,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:51:53,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-17 13:51:53,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-17 13:51:53,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:51:53,235 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:51:53,235 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 13:51:53,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:51:53,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:51:53,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:51:53,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:51:53,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:51:53,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:51:53,534 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:51:53,535 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:51:53,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:51:53,536 INFO L82 PathProgramCache]: Analyzing trace with hash -989336699, now seen corresponding path program 2 times [2021-06-17 13:51:53,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:51:53,537 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820156750] [2021-06-17 13:51:53,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:51:53,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:51:53,690 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 21 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-17 13:51:53,691 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:51:53,691 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820156750] [2021-06-17 13:51:53,691 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820156750] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:51:53,691 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [626787823] [2021-06-17 13:51:53,691 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:51:53,758 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 13:51:53,759 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:51:53,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-17 13:51:53,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:51:53,861 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 15 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-06-17 13:51:53,862 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [626787823] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:51:53,862 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:51:53,862 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 6 [2021-06-17 13:51:53,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927131425] [2021-06-17 13:51:53,862 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 13:51:53,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:51:53,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 13:51:53,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-06-17 13:51:53,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:51:53,863 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:51:53,863 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 13:51:53,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:51:53,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:51:53,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:51:53,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:51:53,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:51:53,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:51:53,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:51:53,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:51:54,145 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:51:54,145 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:51:54,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:51:54,146 INFO L82 PathProgramCache]: Analyzing trace with hash -655893298, now seen corresponding path program 3 times [2021-06-17 13:51:54,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:51:54,147 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125751840] [2021-06-17 13:51:54,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:51:54,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:51:54,457 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 13:51:54,457 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:51:54,457 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125751840] [2021-06-17 13:51:54,457 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125751840] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:51:54,457 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072673989] [2021-06-17 13:51:54,457 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:51:54,489 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-17 13:51:54,489 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:51:54,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 34 conjunts are in the unsatisfiable core [2021-06-17 13:51:54,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:51:54,977 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:51:54,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 50 [2021-06-17 13:51:54,987 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 13:51:55,020 INFO L628 ElimStorePlain]: treesize reduction 14, result has 82.5 percent of original size [2021-06-17 13:51:55,033 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-17 13:51:55,033 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:46, output treesize:47 [2021-06-17 13:51:55,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:55,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:55,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:55,314 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:51:55,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 42 [2021-06-17 13:51:55,328 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-17 13:51:55,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:55,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:55,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:55,374 INFO L354 Elim1Store]: treesize reduction 18, result has 74.6 percent of original size [2021-06-17 13:51:55,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 42 treesize of output 68 [2021-06-17 13:51:55,411 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 13:51:55,431 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:51:55,439 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-17 13:51:55,440 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:84, output treesize:48 [2021-06-17 13:51:55,539 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:51:55,539 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1072673989] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:51:55,539 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:51:55,539 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 21] total 35 [2021-06-17 13:51:55,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701954791] [2021-06-17 13:51:55,540 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-17 13:51:55,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:51:55,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-17 13:51:55,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=1086, Unknown=0, NotChecked=0, Total=1260 [2021-06-17 13:51:55,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:51:55,541 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:51:55,542 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.0) internal successors, (72), 35 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 13:51:55,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:51:55,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:51:55,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:51:55,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:51:55,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:51:58,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:51:58,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:51:58,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:51:58,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:51:58,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 13:51:58,397 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:51:58,397 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:51:58,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:51:58,398 INFO L82 PathProgramCache]: Analyzing trace with hash 964170564, now seen corresponding path program 4 times [2021-06-17 13:51:58,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:51:58,398 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103038236] [2021-06-17 13:51:58,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:51:58,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:51:58,896 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-06-17 13:51:58,897 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:51:58,897 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103038236] [2021-06-17 13:51:58,897 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103038236] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:51:58,897 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [917995915] [2021-06-17 13:51:58,897 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:51:58,936 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 13:51:58,936 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:51:58,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 60 conjunts are in the unsatisfiable core [2021-06-17 13:51:58,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:52:00,060 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:52:00,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 72 treesize of output 126 [2021-06-17 13:52:00,084 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 13:52:00,245 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2021-06-17 13:52:00,245 INFO L628 ElimStorePlain]: treesize reduction 99, result has 68.3 percent of original size [2021-06-17 13:52:00,264 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 13:52:00,265 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:80, output treesize:92 [2021-06-17 13:52:00,716 INFO L354 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2021-06-17 13:52:00,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 55 treesize of output 19 [2021-06-17 13:52:00,719 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 13:52:00,723 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:52:00,723 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 13:52:00,723 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:56, output treesize:5 [2021-06-17 13:52:00,735 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:52:00,735 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [917995915] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:52:00,735 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:52:00,735 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 32] total 55 [2021-06-17 13:52:00,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816386730] [2021-06-17 13:52:00,737 INFO L462 AbstractCegarLoop]: Interpolant automaton has 56 states [2021-06-17 13:52:00,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:52:00,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2021-06-17 13:52:00,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=2774, Unknown=0, NotChecked=0, Total=3080 [2021-06-17 13:52:00,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:52:00,740 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:52:00,741 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 56 states, 56 states have (on average 1.7678571428571428) internal successors, (99), 55 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 13:52:00,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:52:00,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:52:00,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:52:00,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:52:00,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 13:52:00,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:52:02,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:52:02,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:52:02,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:52:02,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:52:02,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 13:52:02,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-17 13:52:02,685 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2021-06-17 13:52:02,687 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:52:02,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:52:02,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1886407899, now seen corresponding path program 5 times [2021-06-17 13:52:02,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:52:02,688 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107007082] [2021-06-17 13:52:02,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:52:02,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:52:02,736 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 110 proven. 38 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-06-17 13:52:02,736 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:52:02,736 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107007082] [2021-06-17 13:52:02,736 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107007082] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:52:02,736 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1071590175] [2021-06-17 13:52:02,737 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 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 [2021-06-17 13:52:02,777 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-06-17 13:52:02,778 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:52:02,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-17 13:52:02,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:52:02,889 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 123 proven. 13 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-06-17 13:52:02,890 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1071590175] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:52:02,890 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:52:02,890 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 7 [2021-06-17 13:52:02,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924224269] [2021-06-17 13:52:02,891 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-17 13:52:02,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:52:02,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-17 13:52:02,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-06-17 13:52:02,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:52:02,892 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:52:02,892 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 13:52:02,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:52:02,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:52:02,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:52:02,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:52:02,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 13:52:02,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-17 13:52:02,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:52:06,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:52:06,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:52:06,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:52:06,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:52:06,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-17 13:52:06,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-06-17 13:52:06,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 13:52:06,800 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:52:06,801 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:52:06,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:52:06,801 INFO L82 PathProgramCache]: Analyzing trace with hash -1728158045, now seen corresponding path program 6 times [2021-06-17 13:52:06,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:52:06,802 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317409372] [2021-06-17 13:52:06,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:52:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:52:07,008 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 13:52:07,008 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:52:07,008 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317409372] [2021-06-17 13:52:07,008 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317409372] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:52:07,008 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1822608882] [2021-06-17 13:52:07,008 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:52:07,035 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-17 13:52:07,035 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:52:07,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-17 13:52:07,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:52:07,319 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:52:07,319 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 [2021-06-17 13:52:07,322 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 13:52:07,328 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:52:07,330 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-17 13:52:07,330 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:38, output treesize:24 [2021-06-17 13:52:07,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:07,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:07,358 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:52:07,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-06-17 13:52:07,361 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 13:52:07,366 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:52:07,367 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 13:52:07,367 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:5 [2021-06-17 13:52:07,394 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:52:07,395 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1822608882] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:52:07,395 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:52:07,395 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 24 [2021-06-17 13:52:07,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701495557] [2021-06-17 13:52:07,395 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-17 13:52:07,395 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:52:07,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-17 13:52:07,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=491, Unknown=0, NotChecked=0, Total=600 [2021-06-17 13:52:07,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:52:07,396 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:52:07,396 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.08) internal successors, (52), 24 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) [2021-06-17 13:52:07,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:52:07,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:52:07,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:52:07,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:52:07,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-17 13:52:07,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-06-17 13:52:07,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 13:52:07,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:52:08,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:52:08,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:52:08,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:52:08,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:52:08,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-17 13:52:08,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-17 13:52:08,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 13:52:08,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 13:52:08,753 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:52:08,764 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-17 13:52:08,765 INFO L202 PluginConnector]: Adding new model dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.06 01:52:08 BasicIcfg [2021-06-17 13:52:08,765 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-17 13:52:08,766 INFO L168 Benchmark]: Toolchain (without parser) took 16385.51 ms. Allocated memory was 203.4 MB in the beginning and 528.5 MB in the end (delta: 325.1 MB). Free memory was 182.5 MB in the beginning and 411.4 MB in the end (delta: -228.9 MB). Peak memory consumption was 96.9 MB. Max. memory is 8.0 GB. [2021-06-17 13:52:08,766 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 203.4 MB. Free memory is still 183.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-17 13:52:08,766 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.88 ms. Allocated memory is still 203.4 MB. Free memory was 182.3 MB in the beginning and 180.9 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-06-17 13:52:08,766 INFO L168 Benchmark]: Boogie Preprocessor took 15.16 ms. Allocated memory is still 203.4 MB. Free memory was 180.9 MB in the beginning and 180.0 MB in the end (delta: 981.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-17 13:52:08,766 INFO L168 Benchmark]: RCFGBuilder took 198.18 ms. Allocated memory is still 203.4 MB. Free memory was 180.0 MB in the beginning and 166.9 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-06-17 13:52:08,766 INFO L168 Benchmark]: TraceAbstraction took 16146.33 ms. Allocated memory was 203.4 MB in the beginning and 528.5 MB in the end (delta: 325.1 MB). Free memory was 166.4 MB in the beginning and 411.4 MB in the end (delta: -245.0 MB). Peak memory consumption was 81.2 MB. Max. memory is 8.0 GB. [2021-06-17 13:52:08,766 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 0.11 ms. Allocated memory is still 203.4 MB. Free memory is still 183.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 20.88 ms. Allocated memory is still 203.4 MB. Free memory was 182.3 MB in the beginning and 180.9 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 15.16 ms. Allocated memory is still 203.4 MB. Free memory was 180.9 MB in the beginning and 180.0 MB in the end (delta: 981.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 198.18 ms. Allocated memory is still 203.4 MB. Free memory was 180.0 MB in the beginning and 166.9 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 16146.33 ms. Allocated memory was 203.4 MB in the beginning and 528.5 MB in the end (delta: 325.1 MB). Free memory was 166.4 MB in the beginning and 411.4 MB in the end (delta: -245.0 MB). Peak memory consumption was 81.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4175, positive: 3294, positive conditional: 3036, positive unconditional: 258, negative: 881, negative conditional: 869, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 3413, positive: 3294, positive conditional: 3036, positive unconditional: 258, negative: 119, negative conditional: 107, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 3413, positive: 3060, positive conditional: 0, positive unconditional: 3060, negative: 353, negative conditional: 0, negative unconditional: 353, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 179, positive: 174, positive conditional: 0, positive unconditional: 174, 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: 179, positive: 169, positive conditional: 0, positive unconditional: 169, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 162, positive: 45, positive conditional: 40, positive unconditional: 5, negative: 117, negative conditional: 112, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 331, positive: 110, positive conditional: 77, positive unconditional: 33, negative: 221, negative conditional: 210, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3413, positive: 2886, positive conditional: 0, positive unconditional: 2886, negative: 348, negative conditional: 0, negative unconditional: 348, unknown: 179, unknown conditional: 0, unknown unconditional: 179] , Statistics on independence cache: Total cache size (in pairs): 331, Positive cache size: 214, Positive conditional cache size: 40, Positive unconditional cache size: 174, Negative cache size: 117, Negative conditional cache size: 112, Negative unconditional cache size: 5, SemanticConditionEliminator.Independence Queries: [ total: 2268, positive: 234, positive conditional: 234, positive unconditional: 0, negative: 2034, negative conditional: 901, negative unconditional: 1133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2268, positive: 234, positive conditional: 234, positive unconditional: 0, negative: 2034, negative conditional: 901, negative unconditional: 1133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 162, positive: 45, positive conditional: 40, positive unconditional: 5, negative: 117, negative conditional: 112, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 331, positive: 110, positive conditional: 77, positive unconditional: 33, negative: 221, negative conditional: 210, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2268, positive: 194, positive conditional: 194, positive unconditional: 0, negative: 1922, negative conditional: 789, negative unconditional: 1133, unknown: 152, unknown conditional: 152, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 331, Positive cache size: 214, Positive conditional cache size: 40, Positive unconditional cache size: 174, Negative cache size: 117, Negative conditional cache size: 112, Negative unconditional cache size: 5, Eliminated conditions: 1089, SemanticConditionEliminator.Independence Queries: [ total: 2268, positive: 234, positive conditional: 234, positive unconditional: 0, negative: 2034, negative conditional: 901, negative unconditional: 1133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2268, positive: 234, positive conditional: 234, positive unconditional: 0, negative: 2034, negative conditional: 901, negative unconditional: 1133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 162, positive: 45, positive conditional: 40, positive unconditional: 5, negative: 117, negative conditional: 112, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 331, positive: 110, positive conditional: 77, positive unconditional: 33, negative: 221, negative conditional: 210, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2268, positive: 194, positive conditional: 194, positive unconditional: 0, negative: 1922, negative conditional: 789, negative unconditional: 1133, unknown: 152, unknown conditional: 152, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 331, Positive cache size: 214, Positive conditional cache size: 40, Positive unconditional cache size: 174, Negative cache size: 117, Negative conditional cache size: 112, Negative unconditional cache size: 5, Eliminated conditions: 1089, SemanticConditionEliminator.Independence Queries: [ total: 2268, positive: 234, positive conditional: 234, positive unconditional: 0, negative: 2034, negative conditional: 901, negative unconditional: 1133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2268, positive: 234, positive conditional: 234, positive unconditional: 0, negative: 2034, negative conditional: 901, negative unconditional: 1133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 162, positive: 45, positive conditional: 40, positive unconditional: 5, negative: 117, negative conditional: 112, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 331, positive: 110, positive conditional: 77, positive unconditional: 33, negative: 221, negative conditional: 210, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2268, positive: 194, positive conditional: 194, positive unconditional: 0, negative: 1922, negative conditional: 789, negative unconditional: 1133, unknown: 152, unknown conditional: 152, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 331, Positive cache size: 214, Positive conditional cache size: 40, Positive unconditional cache size: 174, Negative cache size: 117, Negative conditional cache size: 112, Negative unconditional cache size: 5, Eliminated conditions: 1089, SemanticConditionEliminator.Independence Queries: [ total: 2268, positive: 234, positive conditional: 234, positive unconditional: 0, negative: 2034, negative conditional: 901, negative unconditional: 1133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2268, positive: 234, positive conditional: 234, positive unconditional: 0, negative: 2034, negative conditional: 901, negative unconditional: 1133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 162, positive: 45, positive conditional: 40, positive unconditional: 5, negative: 117, negative conditional: 112, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 331, positive: 110, positive conditional: 77, positive unconditional: 33, negative: 221, negative conditional: 210, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2268, positive: 194, positive conditional: 194, positive unconditional: 0, negative: 1922, negative conditional: 789, negative unconditional: 1133, unknown: 152, unknown conditional: 152, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 331, Positive cache size: 214, Positive conditional cache size: 40, Positive unconditional cache size: 174, Negative cache size: 117, Negative conditional cache size: 112, Negative unconditional cache size: 5, Eliminated conditions: 1089, SemanticConditionEliminator.Independence Queries: [ total: 2268, positive: 234, positive conditional: 234, positive unconditional: 0, negative: 2034, negative conditional: 901, negative unconditional: 1133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2268, positive: 234, positive conditional: 234, positive unconditional: 0, negative: 2034, negative conditional: 901, negative unconditional: 1133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 162, positive: 45, positive conditional: 40, positive unconditional: 5, negative: 117, negative conditional: 112, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 331, positive: 110, positive conditional: 77, positive unconditional: 33, negative: 221, negative conditional: 210, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2268, positive: 194, positive conditional: 194, positive unconditional: 0, negative: 1922, negative conditional: 789, negative unconditional: 1133, unknown: 152, unknown conditional: 152, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 331, Positive cache size: 214, Positive conditional cache size: 40, Positive unconditional cache size: 174, Negative cache size: 117, Negative conditional cache size: 112, Negative unconditional cache size: 5, Eliminated conditions: 1089, SemanticConditionEliminator.Independence Queries: [ total: 2268, positive: 234, positive conditional: 234, positive unconditional: 0, negative: 2034, negative conditional: 901, negative unconditional: 1133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2268, positive: 234, positive conditional: 234, positive unconditional: 0, negative: 2034, negative conditional: 901, negative unconditional: 1133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 162, positive: 45, positive conditional: 40, positive unconditional: 5, negative: 117, negative conditional: 112, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 331, positive: 110, positive conditional: 77, positive unconditional: 33, negative: 221, negative conditional: 210, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2268, positive: 194, positive conditional: 194, positive unconditional: 0, negative: 1922, negative conditional: 789, negative unconditional: 1133, unknown: 152, unknown conditional: 152, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 331, Positive cache size: 214, Positive conditional cache size: 40, Positive unconditional cache size: 174, Negative cache size: 117, Negative conditional cache size: 112, Negative unconditional cache size: 5, Eliminated conditions: 1089, SemanticConditionEliminator.Independence Queries: [ total: 2268, positive: 234, positive conditional: 234, positive unconditional: 0, negative: 2034, negative conditional: 901, negative unconditional: 1133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2268, positive: 234, positive conditional: 234, positive unconditional: 0, negative: 2034, negative conditional: 901, negative unconditional: 1133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 162, positive: 45, positive conditional: 40, positive unconditional: 5, negative: 117, negative conditional: 112, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 331, positive: 110, positive conditional: 77, positive unconditional: 33, negative: 221, negative conditional: 210, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2268, positive: 194, positive conditional: 194, positive unconditional: 0, negative: 1922, negative conditional: 789, negative unconditional: 1133, unknown: 152, unknown conditional: 152, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 331, Positive cache size: 214, Positive conditional cache size: 40, Positive unconditional cache size: 174, Negative cache size: 117, Negative conditional cache size: 112, Negative unconditional cache size: 5, Eliminated conditions: 1089, SemanticConditionEliminator.Independence Queries: [ total: 2268, positive: 234, positive conditional: 234, positive unconditional: 0, negative: 2034, negative conditional: 901, negative unconditional: 1133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2268, positive: 234, positive conditional: 234, positive unconditional: 0, negative: 2034, negative conditional: 901, negative unconditional: 1133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 162, positive: 45, positive conditional: 40, positive unconditional: 5, negative: 117, negative conditional: 112, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 331, positive: 110, positive conditional: 77, positive unconditional: 33, negative: 221, negative conditional: 210, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2268, positive: 194, positive conditional: 194, positive unconditional: 0, negative: 1922, negative conditional: 789, negative unconditional: 1133, unknown: 152, unknown conditional: 152, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 331, Positive cache size: 214, Positive conditional cache size: 40, Positive unconditional cache size: 174, Negative cache size: 117, Negative conditional cache size: 112, Negative unconditional cache size: 5, Eliminated conditions: 1089 ], Maximal queried relation: 8, Independence queries for same thread: 762 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 244, Number of persistent set computation: 4787, Number of trivial persistent sets: 4118, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4175, positive: 3294, positive conditional: 3036, positive unconditional: 258, negative: 881, negative conditional: 869, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 3413, positive: 3294, positive conditional: 3036, positive unconditional: 258, negative: 119, negative conditional: 107, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 3413, positive: 3060, positive conditional: 0, positive unconditional: 3060, negative: 353, negative conditional: 0, negative unconditional: 353, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 179, positive: 174, positive conditional: 0, positive unconditional: 174, 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: 179, positive: 169, positive conditional: 0, positive unconditional: 169, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 162, positive: 45, positive conditional: 40, positive unconditional: 5, negative: 117, negative conditional: 112, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 331, positive: 110, positive conditional: 77, positive unconditional: 33, negative: 221, negative conditional: 210, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3413, positive: 2886, positive conditional: 0, positive unconditional: 2886, negative: 348, negative conditional: 0, negative unconditional: 348, unknown: 179, unknown conditional: 0, unknown unconditional: 179] , Statistics on independence cache: Total cache size (in pairs): 331, Positive cache size: 214, Positive conditional cache size: 40, Positive unconditional cache size: 174, Negative cache size: 117, Negative conditional cache size: 112, Negative unconditional cache size: 5, SemanticConditionEliminator.Independence Queries: [ total: 2268, positive: 234, positive conditional: 234, positive unconditional: 0, negative: 2034, negative conditional: 901, negative unconditional: 1133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2268, positive: 234, positive conditional: 234, positive unconditional: 0, negative: 2034, negative conditional: 901, negative unconditional: 1133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 162, positive: 45, positive conditional: 40, positive unconditional: 5, negative: 117, negative conditional: 112, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 331, positive: 110, positive conditional: 77, positive unconditional: 33, negative: 221, negative conditional: 210, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2268, positive: 194, positive conditional: 194, positive unconditional: 0, negative: 1922, negative conditional: 789, negative unconditional: 1133, unknown: 152, unknown conditional: 152, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 331, Positive cache size: 214, Positive conditional cache size: 40, Positive unconditional cache size: 174, Negative cache size: 117, Negative conditional cache size: 112, Negative unconditional cache size: 5, Eliminated conditions: 1089, SemanticConditionEliminator.Independence Queries: [ total: 2268, positive: 234, positive conditional: 234, positive unconditional: 0, negative: 2034, negative conditional: 901, negative unconditional: 1133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2268, positive: 234, positive conditional: 234, positive unconditional: 0, negative: 2034, negative conditional: 901, negative unconditional: 1133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 162, positive: 45, positive conditional: 40, positive unconditional: 5, negative: 117, negative conditional: 112, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 331, positive: 110, positive conditional: 77, positive unconditional: 33, negative: 221, negative conditional: 210, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2268, positive: 194, positive conditional: 194, positive unconditional: 0, negative: 1922, negative conditional: 789, negative unconditional: 1133, unknown: 152, unknown conditional: 152, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 331, Positive cache size: 214, Positive conditional cache size: 40, Positive unconditional cache size: 174, Negative cache size: 117, Negative conditional cache size: 112, Negative unconditional cache size: 5, Eliminated conditions: 1089, SemanticConditionEliminator.Independence Queries: [ total: 2268, positive: 234, positive conditional: 234, positive unconditional: 0, negative: 2034, negative conditional: 901, negative unconditional: 1133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2268, positive: 234, positive conditional: 234, positive unconditional: 0, negative: 2034, negative conditional: 901, negative unconditional: 1133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 162, positive: 45, positive conditional: 40, positive unconditional: 5, negative: 117, negative conditional: 112, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 331, positive: 110, positive conditional: 77, positive unconditional: 33, negative: 221, negative conditional: 210, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2268, positive: 194, positive conditional: 194, positive unconditional: 0, negative: 1922, negative conditional: 789, negative unconditional: 1133, unknown: 152, unknown conditional: 152, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 331, Positive cache size: 214, Positive conditional cache size: 40, Positive unconditional cache size: 174, Negative cache size: 117, Negative conditional cache size: 112, Negative unconditional cache size: 5, Eliminated conditions: 1089, SemanticConditionEliminator.Independence Queries: [ total: 2268, positive: 234, positive conditional: 234, positive unconditional: 0, negative: 2034, negative conditional: 901, negative unconditional: 1133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2268, positive: 234, positive conditional: 234, positive unconditional: 0, negative: 2034, negative conditional: 901, negative unconditional: 1133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 162, positive: 45, positive conditional: 40, positive unconditional: 5, negative: 117, negative conditional: 112, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 331, positive: 110, positive conditional: 77, positive unconditional: 33, negative: 221, negative conditional: 210, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2268, positive: 194, positive conditional: 194, positive unconditional: 0, negative: 1922, negative conditional: 789, negative unconditional: 1133, unknown: 152, unknown conditional: 152, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 331, Positive cache size: 214, Positive conditional cache size: 40, Positive unconditional cache size: 174, Negative cache size: 117, Negative conditional cache size: 112, Negative unconditional cache size: 5, Eliminated conditions: 1089, SemanticConditionEliminator.Independence Queries: [ total: 2268, positive: 234, positive conditional: 234, positive unconditional: 0, negative: 2034, negative conditional: 901, negative unconditional: 1133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2268, positive: 234, positive conditional: 234, positive unconditional: 0, negative: 2034, negative conditional: 901, negative unconditional: 1133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 162, positive: 45, positive conditional: 40, positive unconditional: 5, negative: 117, negative conditional: 112, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 331, positive: 110, positive conditional: 77, positive unconditional: 33, negative: 221, negative conditional: 210, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2268, positive: 194, positive conditional: 194, positive unconditional: 0, negative: 1922, negative conditional: 789, negative unconditional: 1133, unknown: 152, unknown conditional: 152, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 331, Positive cache size: 214, Positive conditional cache size: 40, Positive unconditional cache size: 174, Negative cache size: 117, Negative conditional cache size: 112, Negative unconditional cache size: 5, Eliminated conditions: 1089, SemanticConditionEliminator.Independence Queries: [ total: 2268, positive: 234, positive conditional: 234, positive unconditional: 0, negative: 2034, negative conditional: 901, negative unconditional: 1133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2268, positive: 234, positive conditional: 234, positive unconditional: 0, negative: 2034, negative conditional: 901, negative unconditional: 1133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 162, positive: 45, positive conditional: 40, positive unconditional: 5, negative: 117, negative conditional: 112, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 331, positive: 110, positive conditional: 77, positive unconditional: 33, negative: 221, negative conditional: 210, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2268, positive: 194, positive conditional: 194, positive unconditional: 0, negative: 1922, negative conditional: 789, negative unconditional: 1133, unknown: 152, unknown conditional: 152, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 331, Positive cache size: 214, Positive conditional cache size: 40, Positive unconditional cache size: 174, Negative cache size: 117, Negative conditional cache size: 112, Negative unconditional cache size: 5, Eliminated conditions: 1089, SemanticConditionEliminator.Independence Queries: [ total: 2268, positive: 234, positive conditional: 234, positive unconditional: 0, negative: 2034, negative conditional: 901, negative unconditional: 1133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2268, positive: 234, positive conditional: 234, positive unconditional: 0, negative: 2034, negative conditional: 901, negative unconditional: 1133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 162, positive: 45, positive conditional: 40, positive unconditional: 5, negative: 117, negative conditional: 112, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 331, positive: 110, positive conditional: 77, positive unconditional: 33, negative: 221, negative conditional: 210, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2268, positive: 194, positive conditional: 194, positive unconditional: 0, negative: 1922, negative conditional: 789, negative unconditional: 1133, unknown: 152, unknown conditional: 152, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 331, Positive cache size: 214, Positive conditional cache size: 40, Positive unconditional cache size: 174, Negative cache size: 117, Negative conditional cache size: 112, Negative unconditional cache size: 5, Eliminated conditions: 1089, SemanticConditionEliminator.Independence Queries: [ total: 2268, positive: 234, positive conditional: 234, positive unconditional: 0, negative: 2034, negative conditional: 901, negative unconditional: 1133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2268, positive: 234, positive conditional: 234, positive unconditional: 0, negative: 2034, negative conditional: 901, negative unconditional: 1133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 162, positive: 45, positive conditional: 40, positive unconditional: 5, negative: 117, negative conditional: 112, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 331, positive: 110, positive conditional: 77, positive unconditional: 33, negative: 221, negative conditional: 210, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2268, positive: 194, positive conditional: 194, positive unconditional: 0, negative: 1922, negative conditional: 789, negative unconditional: 1133, unknown: 152, unknown conditional: 152, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 331, Positive cache size: 214, Positive conditional cache size: 40, Positive unconditional cache size: 174, Negative cache size: 117, Negative conditional cache size: 112, Negative unconditional cache size: 5, Eliminated conditions: 1089 ], Maximal queried relation: 8, Independence queries for same thread: 762 - 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: 16091.4ms, OverallIterations: 8, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6.9ms, PartialOrderReductionTime: 9523.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 174, 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: 46.0ms SsaConstructionTime, 194.7ms SatisfiabilityAnalysisTime, 4767.8ms InterpolantComputationTime, 594 NumberOfCodeBlocks, 594 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 580 ConstructedInterpolants, 45 QuantifiedInterpolants, 5975 SizeOfPredicates, 48 NumberOfNonLiveVariables, 597 ConjunctsInSsa, 142 ConjunctsInUnsatCore, 14 InterpolantComputations, 3 PerfectInterpolantSequences, 414/773 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...