/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-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/vector-add.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 13:29:22,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 13:29:22,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 13:29:22,413 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-10 13:29:22,414 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-10 13:29:22,416 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-10 13:29:22,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-10 13:29:22,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-10 13:29:22,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-10 13:29:22,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-10 13:29:22,431 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-10 13:29:22,432 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-10 13:29:22,432 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 13:29:22,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 13:29:22,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 13:29:22,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 13:29:22,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 13:29:22,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 13:29:22,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 13:29:22,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 13:29:22,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 13:29:22,448 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 13:29:22,450 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 13:29:22,451 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 13:29:22,456 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-10 13:29:22,456 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-10 13:29:22,456 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-10 13:29:22,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-10 13:29:22,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-10 13:29:22,458 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-10 13:29:22,458 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-10 13:29:22,479 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-10 13:29:22,480 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-10 13:29:22,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-10 13:29:22,481 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-10 13:29:22,481 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-10 13:29:22,482 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-10 13:29:22,482 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-10 13:29:22,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 13:29:22,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 13:29:22,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 13:29:22,486 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-Lockstep.epf [2021-07-10 13:29:22,512 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 13:29:22,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 13:29:22,512 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 13:29:22,512 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 13:29:22,513 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 13:29:22,513 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 13:29:22,513 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 13:29:22,514 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 13:29:22,514 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 13:29:22,514 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 13:29:22,514 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 13:29:22,514 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 13:29:22,514 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 13:29:22,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 13:29:22,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 13:29:22,514 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 13:29:22,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 13:29:22,515 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 13:29:22,515 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 13:29:22,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 13:29:22,515 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 13:29:22,515 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 13:29:22,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 13:29:22,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 13:29:22,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 13:29:22,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 13:29:22,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 13:29:22,516 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 13:29:22,516 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-10 13:29:22,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 13:29:22,516 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 13:29:22,516 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 13:29:22,516 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 13:29:22,516 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-10 13:29:22,516 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 13:29:22,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 13:29:22,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 13:29:22,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 13:29:22,797 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 13:29:22,798 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 13:29:22,799 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/vector-add.wvr.bpl [2021-07-10 13:29:22,799 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/vector-add.wvr.bpl' [2021-07-10 13:29:22,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 13:29:22,819 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 13:29:22,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 13:29:22,820 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 13:29:22,820 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 13:29:22,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:29:22" (1/1) ... [2021-07-10 13:29:22,832 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:29:22" (1/1) ... [2021-07-10 13:29:22,843 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 13:29:22,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 13:29:22,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 13:29:22,844 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 13:29:22,849 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:29:22" (1/1) ... [2021-07-10 13:29:22,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:29:22" (1/1) ... [2021-07-10 13:29:22,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:29:22" (1/1) ... [2021-07-10 13:29:22,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:29:22" (1/1) ... [2021-07-10 13:29:22,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:29:22" (1/1) ... [2021-07-10 13:29:22,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:29:22" (1/1) ... [2021-07-10 13:29:22,858 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:29:22" (1/1) ... [2021-07-10 13:29:22,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 13:29:22,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 13:29:22,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 13:29:22,862 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 13:29:22,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:29:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 13:29:22,940 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 13:29:22,940 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 13:29:22,940 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 13:29:22,940 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 13:29:22,940 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 13:29:22,940 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 13:29:22,940 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 13:29:22,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 13:29:22,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 13:29:22,941 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-10 13:29:22,941 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-10 13:29:22,941 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-10 13:29:22,941 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 13:29:23,071 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 13:29:23,071 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-10 13:29:23,072 INFO L202 PluginConnector]: Adding new model vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 01:29:23 BoogieIcfgContainer [2021-07-10 13:29:23,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 13:29:23,074 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 13:29:23,074 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 13:29:23,076 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 13:29:23,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:29:22" (1/2) ... [2021-07-10 13:29:23,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@af2f184 and model type vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 01:29:23, skipping insertion in model container [2021-07-10 13:29:23,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 01:29:23" (2/2) ... [2021-07-10 13:29:23,077 INFO L111 eAbstractionObserver]: Analyzing ICFG vector-add.wvr.bpl [2021-07-10 13:29:23,081 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 13:29:23,081 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 13:29:23,081 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 13:29:23,081 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 13:29:23,137 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-10 13:29:23,168 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 13:29:23,209 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 13:29:23,209 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 13:29:23,210 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 13:29:23,210 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 13:29:23,210 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 13:29:23,210 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 13:29:23,210 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 13:29:23,210 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 13:29:23,359 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:29:23,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:29:23,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1275384532, now seen corresponding path program 1 times [2021-07-10 13:29:23,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:29:23,371 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065592660] [2021-07-10 13:29:23,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:29:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:29:23,597 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 13:29:23,597 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:29:23,597 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065592660] [2021-07-10 13:29:23,598 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065592660] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:29:23,598 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2061460469] [2021-07-10 13:29:23,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:29:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:29:23,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-10 13:29:23,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:29:23,820 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 13:29:23,821 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2061460469] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:29:23,821 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:29:23,821 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-07-10 13:29:23,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761577116] [2021-07-10 13:29:23,825 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-10 13:29:23,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:29:23,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-10 13:29:23,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-07-10 13:29:23,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:29:23,834 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:29:23,836 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:29:23,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:29:24,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:29:24,233 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-07-10 13:29:24,233 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:29:24,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:29:24,234 INFO L82 PathProgramCache]: Analyzing trace with hash -521057200, now seen corresponding path program 2 times [2021-07-10 13:29:24,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:29:24,234 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432974943] [2021-07-10 13:29:24,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:29:24,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:29:24,315 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 13:29:24,316 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:29:24,316 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432974943] [2021-07-10 13:29:24,316 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432974943] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:29:24,316 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [890290373] [2021-07-10 13:29:24,316 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:29:24,360 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 13:29:24,360 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:29:24,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 13:29:24,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:29:24,532 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-10 13:29:24,533 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [890290373] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:29:24,533 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:29:24,533 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2021-07-10 13:29:24,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420382110] [2021-07-10 13:29:24,534 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-10 13:29:24,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:29:24,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-10 13:29:24,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-07-10 13:29:24,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:29:24,535 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:29:24,535 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:29:24,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:29:24,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:29:24,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:29:24,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:29:25,000 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:29:25,003 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:29:25,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:29:25,004 INFO L82 PathProgramCache]: Analyzing trace with hash -1536022338, now seen corresponding path program 3 times [2021-07-10 13:29:25,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:29:25,004 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321444019] [2021-07-10 13:29:25,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:29:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:29:25,124 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 13:29:25,124 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:29:25,124 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321444019] [2021-07-10 13:29:25,124 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321444019] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:29:25,124 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [3181321] [2021-07-10 13:29:25,124 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:29:25,170 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-10 13:29:25,170 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:29:25,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-10 13:29:25,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:29:25,364 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 10 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-10 13:29:25,364 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [3181321] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:29:25,364 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:29:25,364 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2021-07-10 13:29:25,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537392828] [2021-07-10 13:29:25,365 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-10 13:29:25,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:29:25,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-10 13:29:25,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2021-07-10 13:29:25,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:29:25,366 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:29:25,366 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 3.1578947368421053) internal successors, (60), 19 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:29:25,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:29:25,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:29:25,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:29:25,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 13:29:25,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:29:25,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 13:29:26,055 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:29:26,056 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:29:26,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:29:26,056 INFO L82 PathProgramCache]: Analyzing trace with hash 722369476, now seen corresponding path program 4 times [2021-07-10 13:29:26,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:29:26,056 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327318947] [2021-07-10 13:29:26,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:29:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:29:26,176 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 14 proven. 52 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 13:29:26,177 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:29:26,177 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327318947] [2021-07-10 13:29:26,178 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327318947] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:29:26,182 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [858839708] [2021-07-10 13:29:26,182 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 [2021-07-10 13:29:26,220 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 13:29:26,220 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:29:26,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 13:29:26,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:29:26,417 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 15 proven. 50 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-10 13:29:26,417 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [858839708] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:29:26,417 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:29:26,417 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 21 [2021-07-10 13:29:26,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962744907] [2021-07-10 13:29:26,419 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-10 13:29:26,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:29:26,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-10 13:29:26,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=325, Unknown=0, NotChecked=0, Total=420 [2021-07-10 13:29:26,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:29:26,419 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:29:26,420 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 3.380952380952381) internal successors, (71), 21 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:29:26,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 13:29:26,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:29:26,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 13:29:26,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:29:26,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 13:29:26,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:29:26,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 13:29:26,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 13:29:26,932 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:29:26,933 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:29:26,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:29:26,933 INFO L82 PathProgramCache]: Analyzing trace with hash -674214176, now seen corresponding path program 5 times [2021-07-10 13:29:26,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:29:26,934 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341183715] [2021-07-10 13:29:26,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:29:26,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:29:27,023 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 83 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-10 13:29:27,024 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:29:27,024 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341183715] [2021-07-10 13:29:27,024 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341183715] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:29:27,024 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [471254330] [2021-07-10 13:29:27,024 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 [2021-07-10 13:29:27,098 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-10 13:29:27,098 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:29:27,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-10 13:29:27,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:29:27,292 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 20 proven. 80 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-10 13:29:27,292 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [471254330] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:29:27,292 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:29:27,292 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 21 [2021-07-10 13:29:27,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246319388] [2021-07-10 13:29:27,293 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-10 13:29:27,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:29:27,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-10 13:29:27,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2021-07-10 13:29:27,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:29:27,293 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:29:27,294 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 3.5238095238095237) internal successors, (74), 21 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:29:27,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 13:29:27,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:29:27,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 13:29:27,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 13:29:27,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:29:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 13:29:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:29:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 13:29:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 13:29:28,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 13:29:28,236 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:29:28,237 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:29:28,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:29:28,237 INFO L82 PathProgramCache]: Analyzing trace with hash 985352246, now seen corresponding path program 6 times [2021-07-10 13:29:28,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:29:28,238 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342447643] [2021-07-10 13:29:28,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:29:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:29:34,075 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 47 [2021-07-10 13:29:34,298 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 57 [2021-07-10 13:29:34,639 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 62 [2021-07-10 13:29:35,077 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 56 [2021-07-10 13:29:35,536 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 68 [2021-07-10 13:29:36,003 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 75 [2021-07-10 13:29:36,499 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 72 [2021-07-10 13:29:37,335 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 63 [2021-07-10 13:29:37,826 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 315 [2021-07-10 13:29:39,777 WARN L205 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 64 [2021-07-10 13:29:41,001 WARN L205 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 59 [2021-07-10 13:29:41,262 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 35 [2021-07-10 13:29:41,985 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 165 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 13:29:41,986 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:29:41,986 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342447643] [2021-07-10 13:29:41,986 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342447643] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:29:41,986 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [904677722] [2021-07-10 13:29:41,986 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 [2021-07-10 13:29:42,040 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-07-10 13:29:42,040 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:29:42,041 WARN L261 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 77 conjunts are in the unsatisfiable core [2021-07-10 13:29:42,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:29:42,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2021-07-10 13:29:42,229 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:29:42,237 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 13:29:42,237 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:29:42,237 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:46, output treesize:30 [2021-07-10 13:29:42,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:42,344 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-07-10 13:29:42,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 56 [2021-07-10 13:29:42,346 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:29:42,366 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 13:29:42,367 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:29:42,367 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:61, output treesize:76 [2021-07-10 13:29:42,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:42,452 INFO L354 Elim1Store]: treesize reduction 39, result has 11.4 percent of original size [2021-07-10 13:29:42,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 52 [2021-07-10 13:29:42,454 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:29:42,469 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 13:29:42,470 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:29:42,470 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:92, output treesize:91 [2021-07-10 13:29:42,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:42,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:42,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:42,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 52 [2021-07-10 13:29:42,554 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:29:42,573 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 13:29:42,576 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:29:42,576 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2021-07-10 13:29:42,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:42,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:42,682 INFO L354 Elim1Store]: treesize reduction 88, result has 14.6 percent of original size [2021-07-10 13:29:42,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 64 treesize of output 72 [2021-07-10 13:29:42,684 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:29:42,707 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 13:29:42,708 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:29:42,708 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:122, output treesize:121 [2021-07-10 13:29:42,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:42,815 INFO L354 Elim1Store]: treesize reduction 82, result has 13.7 percent of original size [2021-07-10 13:29:42,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 63 treesize of output 74 [2021-07-10 13:29:42,817 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:29:42,840 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 13:29:42,840 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:29:42,841 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:107, output treesize:106 [2021-07-10 13:29:42,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:42,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:42,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:42,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 60 [2021-07-10 13:29:42,938 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:29:42,967 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 13:29:42,968 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:29:42,968 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:124, output treesize:123 [2021-07-10 13:29:43,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:43,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:43,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:43,112 INFO L354 Elim1Store]: treesize reduction 138, result has 10.4 percent of original size [2021-07-10 13:29:43,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 80 treesize of output 94 [2021-07-10 13:29:43,129 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:29:43,163 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 13:29:43,164 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:29:43,165 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:141, output treesize:140 [2021-07-10 13:29:43,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:43,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:43,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:43,327 INFO L354 Elim1Store]: treesize reduction 156, result has 11.4 percent of original size [2021-07-10 13:29:43,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 91 treesize of output 108 [2021-07-10 13:29:43,337 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:29:43,375 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 13:29:43,376 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:29:43,376 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:152, output treesize:151 [2021-07-10 13:29:43,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 68 [2021-07-10 13:29:43,639 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:29:43,684 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 13:29:43,686 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:29:43,686 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:159 [2021-07-10 13:29:43,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:43,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:43,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:43,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:43,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:43,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:43,895 INFO L354 Elim1Store]: treesize reduction 224, result has 8.6 percent of original size [2021-07-10 13:29:43,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 16 case distinctions, treesize of input 108 treesize of output 128 [2021-07-10 13:29:43,898 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:29:43,947 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 13:29:43,948 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:29:43,948 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:179, output treesize:178 [2021-07-10 13:29:44,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:44,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:44,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:44,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:44,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:44,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:44,179 INFO L354 Elim1Store]: treesize reduction 250, result has 9.7 percent of original size [2021-07-10 13:29:44,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 16 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 20 case distinctions, treesize of input 119 treesize of output 142 [2021-07-10 13:29:44,183 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:29:44,239 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 13:29:44,241 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:29:44,241 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:190, output treesize:189 [2021-07-10 13:29:44,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 82 [2021-07-10 13:29:44,537 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:29:44,597 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 13:29:44,598 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:29:44,599 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:201, output treesize:200 [2021-07-10 13:29:44,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:44,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:44,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:44,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:44,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:44,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:44,886 INFO L354 Elim1Store]: treesize reduction 288, result has 8.6 percent of original size [2021-07-10 13:29:44,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 21 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 24 case distinctions, treesize of input 130 treesize of output 156 [2021-07-10 13:29:44,889 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:29:44,954 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 13:29:44,955 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:29:44,955 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:212, output treesize:211 [2021-07-10 13:29:45,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 96 [2021-07-10 13:29:45,146 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:29:45,218 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 13:29:45,220 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:29:45,220 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:223, output treesize:222 [2021-07-10 13:29:45,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:45,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:45,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:45,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:45,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:45,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:45,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:45,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:45,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:45,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:45,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:45,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:45,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:45,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:45,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:45,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:45,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:45,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:45,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:45,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:45,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:45,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:45,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:45,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:45,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:45,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:45,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:45,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:45,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:45,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:45,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:45,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:45,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:45,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:45,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 170 [2021-07-10 13:29:45,630 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:29:45,713 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 13:29:45,714 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:29:45,714 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:237, output treesize:236 [2021-07-10 13:29:45,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 110 [2021-07-10 13:29:45,913 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:29:46,001 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 13:29:46,002 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:29:46,003 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:248, output treesize:247 [2021-07-10 13:29:46,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:46,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:46,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:46,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:46,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:46,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:46,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:46,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:46,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 130 [2021-07-10 13:29:46,486 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:29:46,592 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-07-10 13:29:46,593 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 13:29:46,595 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-10 13:29:46,596 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:265, output treesize:264 [2021-07-10 13:29:46,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 138 [2021-07-10 13:29:46,865 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:29:46,978 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-07-10 13:29:46,978 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 13:29:46,981 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-10 13:29:46,981 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:270, output treesize:269 [2021-07-10 13:29:47,422 INFO L446 ElimStorePlain]: Different costs {0=[v_C1_19], 50=[A, B]} [2021-07-10 13:29:47,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 152 [2021-07-10 13:29:47,439 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:29:47,559 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-07-10 13:29:47,559 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 13:29:47,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:47,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:47,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:47,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:47,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:47,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:47,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:47,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:47,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:47,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:47,569 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:29:47,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:47,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:47,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:47,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:47,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:47,573 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:29:47,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:47,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:47,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:47,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:47,576 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:29:47,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:47,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:47,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:47,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:47,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:47,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:47,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:47,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:47,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:47,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:47,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:47,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:47,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:47,585 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:29:47,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 55 disjoint index pairs (out of 105 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 261 treesize of output 211 [2021-07-10 13:29:47,591 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 13:29:47,626 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 13:29:47,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:47,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:47,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:47,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:47,632 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:29:47,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:47,633 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:29:47,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:47,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:47,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:47,635 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:29:47,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:47,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:29:47,637 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:29:47,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 51 [2021-07-10 13:29:47,639 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 13:29:47,667 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 13:29:47,669 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-10 13:29:47,669 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:281, output treesize:103 [2021-07-10 13:29:47,946 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:29:47,946 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [904677722] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:29:47,947 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:29:47,947 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 31] total 58 [2021-07-10 13:29:47,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722840932] [2021-07-10 13:29:47,947 INFO L462 AbstractCegarLoop]: Interpolant automaton has 58 states [2021-07-10 13:29:47,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:29:47,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-07-10 13:29:47,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=3061, Unknown=0, NotChecked=0, Total=3306 [2021-07-10 13:29:47,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:29:47,949 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:29:47,949 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 58 states, 58 states have (on average 2.103448275862069) internal successors, (122), 58 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:29:47,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 13:29:47,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:29:47,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 13:29:47,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 13:29:47,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 13:29:47,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:29:50,627 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 64 [2021-07-10 13:29:51,468 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2021-07-10 13:29:51,992 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 75 [2021-07-10 13:29:52,446 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 73 [2021-07-10 13:29:52,748 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 85 [2021-07-10 13:29:52,980 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 80 [2021-07-10 13:29:53,372 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 89 [2021-07-10 13:29:53,721 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 91 [2021-07-10 13:29:54,091 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 88 [2021-07-10 13:29:54,496 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 96 [2021-07-10 13:29:54,835 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 91 [2021-07-10 13:29:55,397 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 97 [2021-07-10 13:29:56,134 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 100 [2021-07-10 13:29:56,887 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 95 [2021-07-10 13:29:57,987 WARN L205 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 116 [2021-07-10 13:29:58,434 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 104 [2021-07-10 13:29:58,877 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 115 [2021-07-10 13:29:59,882 WARN L205 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 109 [2021-07-10 13:30:00,706 WARN L205 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 128 [2021-07-10 13:30:01,070 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 104 [2021-07-10 13:30:02,797 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 178 DAG size of output: 141 [2021-07-10 13:30:04,515 WARN L205 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 147 [2021-07-10 13:30:06,274 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 198 DAG size of output: 122 [2021-07-10 13:30:08,195 WARN L205 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 122 [2021-07-10 13:30:10,592 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 182 DAG size of output: 145 [2021-07-10 13:30:11,119 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-07-10 13:30:12,674 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 200 DAG size of output: 133 [2021-07-10 13:30:13,374 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 86 [2021-07-10 13:30:14,859 WARN L205 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 111 [2021-07-10 13:30:15,663 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2021-07-10 13:30:16,022 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 86 [2021-07-10 13:30:16,679 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 88 [2021-07-10 13:30:16,992 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-07-10 13:30:17,564 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 80 [2021-07-10 13:30:18,089 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-07-10 13:30:18,509 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 82 [2021-07-10 13:30:19,218 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 113 [2021-07-10 13:30:19,746 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 88 [2021-07-10 13:30:20,321 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 87 [2021-07-10 13:30:20,919 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 102 [2021-07-10 13:30:21,461 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 76 [2021-07-10 13:30:21,908 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 108 [2021-07-10 13:30:22,183 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 92 [2021-07-10 13:30:22,606 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 104 [2021-07-10 13:30:23,204 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-07-10 13:30:23,701 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 94 [2021-07-10 13:30:24,367 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 114 [2021-07-10 13:30:24,859 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 106 [2021-07-10 13:30:25,382 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-07-10 13:30:25,777 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 80 [2021-07-10 13:30:26,326 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 83 [2021-07-10 13:30:27,775 WARN L205 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 141 [2021-07-10 13:30:29,293 WARN L205 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 112 [2021-07-10 13:30:30,452 WARN L205 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 110 [2021-07-10 13:30:31,455 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 88 [2021-07-10 13:30:32,838 WARN L205 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 126 [2021-07-10 13:30:34,664 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 195 DAG size of output: 134 [2021-07-10 13:30:35,817 WARN L205 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 114 [2021-07-10 13:30:37,439 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 200 DAG size of output: 123 [2021-07-10 13:30:38,896 WARN L205 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 128 [2021-07-10 13:30:40,893 WARN L205 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 132 [2021-07-10 13:30:43,340 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 204 DAG size of output: 140 [2021-07-10 13:30:44,818 WARN L205 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 120 [2021-07-10 13:30:46,829 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 208 DAG size of output: 129 [2021-07-10 13:30:47,796 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 108 [2021-07-10 13:30:49,411 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 94 [2021-07-10 13:30:51,697 WARN L205 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 114 [2021-07-10 13:30:52,885 WARN L205 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 131 [2021-07-10 13:30:54,083 WARN L205 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 108 [2021-07-10 13:30:55,498 WARN L205 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 111 [2021-07-10 13:30:56,161 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 78 [2021-07-10 13:30:59,653 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:30:59,660 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: Guarantee of compatibility failed at de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction$CompliantDfsOrder.lambda$0(PersistentSetReduction.java:142) at java.base/java.util.TimSort.countRunAndMakeAscending(TimSort.java:355) at java.base/java.util.TimSort.sort(TimSort.java:220) at java.base/java.util.Arrays.sort(Arrays.java:1515) at java.base/java.util.ArrayList.sort(ArrayList.java:1750) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.search(SleepSetNewStateReduction.java:147) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.(SleepSetNewStateReduction.java:111) at de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction.applyNewStateReduction(PersistentSetReduction.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:193) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:509) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-07-10 13:30:59,664 INFO L168 Benchmark]: Toolchain (without parser) took 96845.25 ms. Allocated memory was 195.0 MB in the beginning and 706.7 MB in the end (delta: 511.7 MB). Free memory was 176.1 MB in the beginning and 349.5 MB in the end (delta: -173.4 MB). Peak memory consumption was 341.0 MB. Max. memory is 8.0 GB. [2021-07-10 13:30:59,664 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 195.0 MB. Free memory is still 177.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 13:30:59,667 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.72 ms. Allocated memory is still 195.0 MB. Free memory was 176.0 MB in the beginning and 174.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-07-10 13:30:59,667 INFO L168 Benchmark]: Boogie Preprocessor took 16.05 ms. Allocated memory is still 195.0 MB. Free memory was 174.5 MB in the beginning and 173.6 MB in the end (delta: 935.0 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 13:30:59,667 INFO L168 Benchmark]: RCFGBuilder took 211.35 ms. Allocated memory is still 195.0 MB. Free memory was 173.5 MB in the beginning and 160.3 MB in the end (delta: 13.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-10 13:30:59,667 INFO L168 Benchmark]: TraceAbstraction took 96589.85 ms. Allocated memory was 195.0 MB in the beginning and 706.7 MB in the end (delta: 511.7 MB). Free memory was 159.8 MB in the beginning and 349.5 MB in the end (delta: -189.7 MB). Peak memory consumption was 323.2 MB. Max. memory is 8.0 GB. [2021-07-10 13:30:59,668 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 195.0 MB. Free memory is still 177.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 23.72 ms. Allocated memory is still 195.0 MB. Free memory was 176.0 MB in the beginning and 174.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 16.05 ms. Allocated memory is still 195.0 MB. Free memory was 174.5 MB in the beginning and 173.6 MB in the end (delta: 935.0 kB). There was no memory consumed. Max. memory is 8.0 GB. * RCFGBuilder took 211.35 ms. Allocated memory is still 195.0 MB. Free memory was 173.5 MB in the beginning and 160.3 MB in the end (delta: 13.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 96589.85 ms. Allocated memory was 195.0 MB in the beginning and 706.7 MB in the end (delta: 511.7 MB). Free memory was 159.8 MB in the beginning and 349.5 MB in the end (delta: -189.7 MB). Peak memory consumption was 323.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Guarantee of compatibility failed de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Guarantee of compatibility failed: de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction$CompliantDfsOrder.lambda$0(PersistentSetReduction.java:142) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...