/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-Persistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-inc.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 04:16:19,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 04:16:19,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 04:16:19,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-10 04:16:19,402 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-10 04:16:19,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-10 04:16:19,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-10 04:16:19,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-10 04:16:19,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-10 04:16:19,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-10 04:16:19,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-10 04:16:19,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-10 04:16:19,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 04:16:19,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 04:16:19,419 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 04:16:19,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 04:16:19,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 04:16:19,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 04:16:19,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 04:16:19,428 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 04:16:19,429 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 04:16:19,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 04:16:19,432 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 04:16:19,434 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 04:16:19,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-10 04:16:19,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-10 04:16:19,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-10 04:16:19,440 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-10 04:16:19,440 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-10 04:16:19,441 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2021-07-10 04:16:19,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 04:16:19,445 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 04:16:19,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 04:16:19,447 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-Persistent-NoLbe.epf [2021-07-10 04:16:19,468 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 04:16:19,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 04:16:19,469 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 04:16:19,469 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 04:16:19,470 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 04:16:19,471 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 04:16:19,471 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 04:16:19,471 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 04:16:19,471 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 04:16:19,471 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 04:16:19,472 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 04:16:19,472 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 04:16:19,472 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 04:16:19,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 04:16:19,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 04:16:19,472 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 04:16:19,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 04:16:19,473 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 04:16:19,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 04:16:19,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 04:16:19,473 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 04:16:19,473 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 04:16:19,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 04:16:19,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 04:16:19,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 04:16:19,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 04:16:19,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 04:16:19,474 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 04:16:19,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 04:16:19,474 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 04:16:19,474 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 04:16:19,474 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 04:16:19,474 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SETS [2021-07-10 04:16:19,475 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 04:16:19,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 04:16:19,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 04:16:19,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 04:16:19,745 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 04:16:19,746 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 04:16:19,746 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-inc.wvr.bpl [2021-07-10 04:16:19,747 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-inc.wvr.bpl' [2021-07-10 04:16:19,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 04:16:19,785 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 04:16:19,786 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 04:16:19,786 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 04:16:19,786 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 04:16:19,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 04:16:19" (1/1) ... [2021-07-10 04:16:19,801 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 04:16:19" (1/1) ... [2021-07-10 04:16:19,807 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 04:16:19,808 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 04:16:19,808 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 04:16:19,808 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 04:16:19,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 04:16:19" (1/1) ... [2021-07-10 04:16:19,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 04:16:19" (1/1) ... [2021-07-10 04:16:19,815 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 04:16:19" (1/1) ... [2021-07-10 04:16:19,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 04:16:19" (1/1) ... [2021-07-10 04:16:19,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 04:16:19" (1/1) ... [2021-07-10 04:16:19,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 04:16:19" (1/1) ... [2021-07-10 04:16:19,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 04:16:19" (1/1) ... [2021-07-10 04:16:19,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 04:16:19,830 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 04:16:19,830 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 04:16:19,830 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 04:16:19,831 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 04:16:19" (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 04:16:19,889 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 04:16:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 04:16:19,890 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 04:16:19,890 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 04:16:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 04:16:19,890 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 04:16:19,890 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 04:16:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 04:16:19,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 04:16:19,890 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-10 04:16:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-10 04:16:19,891 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-10 04:16:19,891 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-07-10 04:16:19,891 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-07-10 04:16:19,891 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-07-10 04:16:19,891 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 04:16:20,053 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 04:16:20,053 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-10 04:16:20,069 INFO L202 PluginConnector]: Adding new model min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 04:16:20 BoogieIcfgContainer [2021-07-10 04:16:20,070 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 04:16:20,071 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 04:16:20,071 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 04:16:20,073 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 04:16:20,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 04:16:19" (1/2) ... [2021-07-10 04:16:20,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e40a549 and model type min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 04:16:20, skipping insertion in model container [2021-07-10 04:16:20,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 04:16:20" (2/2) ... [2021-07-10 04:16:20,076 INFO L111 eAbstractionObserver]: Analyzing ICFG min-max-inc.wvr.bpl [2021-07-10 04:16:20,084 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 04:16:20,084 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 04:16:20,085 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 04:16:20,085 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 04:16:20,120 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-07-10 04:16:20,135 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 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 04:16:20,176 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 04:16:20,176 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 04:16:20,176 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 04:16:20,176 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 04:16:20,176 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 04:16:20,176 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 04:16:20,177 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 04:16:20,177 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 04:16:20,306 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 04:16:20,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 04:16:20,310 INFO L82 PathProgramCache]: Analyzing trace with hash -340342682, now seen corresponding path program 1 times [2021-07-10 04:16:20,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 04:16:20,315 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743331019] [2021-07-10 04:16:20,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 04:16:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 04:16:20,605 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 04:16:20,605 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 04:16:20,606 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743331019] [2021-07-10 04:16:20,606 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743331019] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:16:20,607 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1762633903] [2021-07-10 04:16:20,607 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 04:16:20,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 04:16:20,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-10 04:16:20,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 04:16:20,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 14 [2021-07-10 04:16:20,796 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 04:16:20,800 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 04:16:20,801 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 04:16:20,803 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:18 [2021-07-10 04:16:20,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-07-10 04:16:20,851 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 04:16:20,868 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 04:16:20,869 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 04:16:20,869 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:5 [2021-07-10 04:16:20,912 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 04:16:20,912 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1762633903] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:16:20,913 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 04:16:20,913 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-07-10 04:16:20,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934561117] [2021-07-10 04:16:20,917 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-10 04:16:20,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 04:16:20,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-10 04:16:20,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-07-10 04:16:20,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:16:20,926 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 04:16:20,927 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 13 states have internal predecessors, (48), 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 04:16:20,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:16:20,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:16:21,211 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-07-10 04:16:21,211 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 04:16:21,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 04:16:21,212 INFO L82 PathProgramCache]: Analyzing trace with hash 109038468, now seen corresponding path program 2 times [2021-07-10 04:16:21,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 04:16:21,212 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463890642] [2021-07-10 04:16:21,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 04:16:21,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 04:16:21,258 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 04:16:21,258 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 04:16:21,258 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463890642] [2021-07-10 04:16:21,258 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463890642] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:16:21,258 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1987466254] [2021-07-10 04:16:21,258 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 04:16:21,293 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 04:16:21,293 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 04:16:21,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-10 04:16:21,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 04:16:21,378 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 04:16:21,378 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1987466254] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:16:21,378 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 04:16:21,378 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-07-10 04:16:21,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172000809] [2021-07-10 04:16:21,379 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 04:16:21,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 04:16:21,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 04:16:21,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-07-10 04:16:21,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:16:21,380 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 04:16:21,380 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 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 04:16:21,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:16:21,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:16:21,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:16:21,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:16:21,756 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 04:16:21,757 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 04:16:21,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 04:16:21,757 INFO L82 PathProgramCache]: Analyzing trace with hash -629607148, now seen corresponding path program 3 times [2021-07-10 04:16:21,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 04:16:21,758 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198093456] [2021-07-10 04:16:21,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 04:16:21,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 04:16:21,816 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-10 04:16:21,817 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 04:16:21,817 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198093456] [2021-07-10 04:16:21,817 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198093456] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:16:21,817 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1861956727] [2021-07-10 04:16:21,817 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 04:16:21,854 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-10 04:16:21,855 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 04:16:21,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 24 conjunts are in the unsatisfiable core [2021-07-10 04:16:21,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 04:16:22,227 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 04:16:22,228 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 04:16:22,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:22,244 INFO L354 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2021-07-10 04:16:22,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 27 [2021-07-10 04:16:22,247 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 04:16:22,252 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 04:16:22,274 INFO L354 Elim1Store]: treesize reduction 14, result has 61.1 percent of original size [2021-07-10 04:16:22,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 37 [2021-07-10 04:16:22,284 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-10 04:16:22,351 INFO L628 ElimStorePlain]: treesize reduction 18, result has 83.3 percent of original size [2021-07-10 04:16:22,358 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-07-10 04:16:22,358 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:83, output treesize:90 [2021-07-10 04:16:22,561 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 04:16:22,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 32 [2021-07-10 04:16:22,577 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-10 04:16:22,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:22,596 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 04:16:22,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2021-07-10 04:16:22,614 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-10 04:16:22,696 INFO L628 ElimStorePlain]: treesize reduction 10, result has 90.2 percent of original size [2021-07-10 04:16:22,724 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 04:16:22,725 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:99, output treesize:136 [2021-07-10 04:16:22,868 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-10 04:16:22,869 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1861956727] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:16:22,869 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 04:16:22,869 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 14] total 20 [2021-07-10 04:16:22,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504131161] [2021-07-10 04:16:22,869 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-10 04:16:22,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 04:16:22,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-10 04:16:22,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2021-07-10 04:16:22,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:16:22,870 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 04:16:22,870 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 3.3333333333333335) internal successors, (70), 20 states have internal predecessors, (70), 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 04:16:22,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:16:22,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:16:22,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:16:23,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:16:23,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:16:23,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:16:23,520 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 04:16:23,521 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 04:16:23,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 04:16:23,521 INFO L82 PathProgramCache]: Analyzing trace with hash 1514342248, now seen corresponding path program 4 times [2021-07-10 04:16:23,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 04:16:23,521 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110000680] [2021-07-10 04:16:23,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 04:16:23,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 04:16:23,576 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-10 04:16:23,577 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 04:16:23,577 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110000680] [2021-07-10 04:16:23,577 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110000680] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:16:23,577 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1495024703] [2021-07-10 04:16:23,577 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 04:16:23,623 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 04:16:23,624 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 04:16:23,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-10 04:16:23,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 04:16:23,734 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 04:16:23,734 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1495024703] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:16:23,734 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 04:16:23,734 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 16 [2021-07-10 04:16:23,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837289662] [2021-07-10 04:16:23,734 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-10 04:16:23,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 04:16:23,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-10 04:16:23,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2021-07-10 04:16:23,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:16:23,735 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 04:16:23,735 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 4.117647058823529) internal successors, (70), 16 states have internal predecessors, (70), 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 04:16:23,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:16:23,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:16:23,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:16:23,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:16:24,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:16:24,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:16:24,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:16:24,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 04:16:24,385 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-07-10 04:16:24,385 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 04:16:24,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 04:16:24,385 INFO L82 PathProgramCache]: Analyzing trace with hash -1244741706, now seen corresponding path program 5 times [2021-07-10 04:16:24,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 04:16:24,386 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100441921] [2021-07-10 04:16:24,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 04:16:24,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 04:16:24,462 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 4 proven. 30 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-07-10 04:16:24,463 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 04:16:24,463 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100441921] [2021-07-10 04:16:24,464 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100441921] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:16:24,464 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1866609300] [2021-07-10 04:16:24,464 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 04:16:24,503 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-10 04:16:24,503 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 04:16:24,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 04:16:24,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 04:16:24,668 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 28 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 04:16:24,668 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1866609300] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:16:24,669 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 04:16:24,669 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 19 [2021-07-10 04:16:24,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770402391] [2021-07-10 04:16:24,669 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-10 04:16:24,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 04:16:24,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-10 04:16:24,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2021-07-10 04:16:24,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:16:24,670 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 04:16:24,670 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 3.75) internal successors, (75), 19 states have internal predecessors, (75), 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 04:16:24,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:16:24,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:16:24,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:16:24,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 04:16:24,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:16:25,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:16:25,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:16:25,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:16:25,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:16:25,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:16:25,311 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 04:16:25,311 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 04:16:25,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 04:16:25,311 INFO L82 PathProgramCache]: Analyzing trace with hash 192044458, now seen corresponding path program 6 times [2021-07-10 04:16:25,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 04:16:25,312 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049924931] [2021-07-10 04:16:25,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 04:16:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 04:16:25,396 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 25 proven. 27 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-07-10 04:16:25,397 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 04:16:25,397 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049924931] [2021-07-10 04:16:25,397 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049924931] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:16:25,397 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1847355254] [2021-07-10 04:16:25,397 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 04:16:25,439 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-07-10 04:16:25,439 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 04:16:25,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 04:16:25,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 04:16:25,561 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 25 proven. 34 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-07-10 04:16:25,562 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1847355254] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:16:25,562 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 04:16:25,562 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 17 [2021-07-10 04:16:25,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267458970] [2021-07-10 04:16:25,562 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-10 04:16:25,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 04:16:25,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-10 04:16:25,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2021-07-10 04:16:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:16:25,563 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 04:16:25,563 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 3.9444444444444446) internal successors, (71), 17 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 04:16:25,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:16:25,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:16:25,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:16:25,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:16:25,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:16:25,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:16:26,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:16:26,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:16:26,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:16:26,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:16:26,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:16:26,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 04:16:26,304 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 04:16:26,305 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 04:16:26,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 04:16:26,305 INFO L82 PathProgramCache]: Analyzing trace with hash 2045507730, now seen corresponding path program 7 times [2021-07-10 04:16:26,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 04:16:26,305 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421695426] [2021-07-10 04:16:26,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 04:16:26,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 04:16:26,405 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 38 proven. 50 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-07-10 04:16:26,405 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 04:16:26,405 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421695426] [2021-07-10 04:16:26,405 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421695426] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:16:26,405 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1742260521] [2021-07-10 04:16:26,405 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 04:16:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 04:16:26,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-10 04:16:26,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 04:16:26,573 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 47 proven. 41 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-07-10 04:16:26,573 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1742260521] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:16:26,573 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 04:16:26,573 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-07-10 04:16:26,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297123543] [2021-07-10 04:16:26,573 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-10 04:16:26,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 04:16:26,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-10 04:16:26,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2021-07-10 04:16:26,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:16:26,574 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 04:16:26,574 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 4.0) internal successors, (60), 14 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 04:16:26,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:16:26,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:16:26,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:16:26,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:16:26,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:16:26,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 04:16:26,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:16:26,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:16:26,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:16:26,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:16:26,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:16:26,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:16:26,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 04:16:26,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:16:26,965 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-07-10 04:16:26,965 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 04:16:26,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 04:16:26,966 INFO L82 PathProgramCache]: Analyzing trace with hash 1099188542, now seen corresponding path program 8 times [2021-07-10 04:16:26,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 04:16:26,966 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172284452] [2021-07-10 04:16:26,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 04:16:26,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 04:16:27,077 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 56 proven. 42 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-07-10 04:16:27,078 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 04:16:27,078 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172284452] [2021-07-10 04:16:27,078 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172284452] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:16:27,078 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809673237] [2021-07-10 04:16:27,078 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 04:16:27,118 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 04:16:27,119 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 04:16:27,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-10 04:16:27,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 04:16:27,388 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 56 proven. 36 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-07-10 04:16:27,388 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1809673237] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:16:27,388 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 04:16:27,389 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 29 [2021-07-10 04:16:27,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940069371] [2021-07-10 04:16:27,389 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-10 04:16:27,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 04:16:27,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-10 04:16:27,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=729, Unknown=0, NotChecked=0, Total=870 [2021-07-10 04:16:27,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:16:27,390 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 04:16:27,390 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 29 states have internal predecessors, (95), 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 04:16:27,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:16:27,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:16:27,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:16:27,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:16:27,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:16:27,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 04:16:27,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:16:27,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:16:27,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:16:27,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:16:27,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:16:27,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:16:27,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:16:27,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 04:16:27,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:16:27,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 04:16:27,942 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-07-10 04:16:27,943 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 04:16:27,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 04:16:27,943 INFO L82 PathProgramCache]: Analyzing trace with hash 312767122, now seen corresponding path program 9 times [2021-07-10 04:16:27,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 04:16:27,943 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636940382] [2021-07-10 04:16:27,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 04:16:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 04:16:28,088 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 58 proven. 82 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-07-10 04:16:28,088 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 04:16:28,088 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636940382] [2021-07-10 04:16:28,089 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636940382] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:16:28,089 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1208256705] [2021-07-10 04:16:28,089 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 04:16:28,124 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-10 04:16:28,124 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 04:16:28,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-10 04:16:28,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 04:16:28,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:28,430 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 04:16:28,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 32 [2021-07-10 04:16:28,450 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-10 04:16:28,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:28,462 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 04:16:28,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 32 [2021-07-10 04:16:28,473 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 3 xjuncts. [2021-07-10 04:16:28,493 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 04:16:28,499 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-07-10 04:16:28,500 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:59, output treesize:36 [2021-07-10 04:16:28,679 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 30 proven. 40 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-07-10 04:16:28,680 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1208256705] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:16:28,680 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 04:16:28,680 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 13] total 29 [2021-07-10 04:16:28,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382118631] [2021-07-10 04:16:28,680 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-10 04:16:28,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 04:16:28,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-10 04:16:28,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=670, Unknown=0, NotChecked=0, Total=812 [2021-07-10 04:16:28,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:16:28,681 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 04:16:28,681 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.310344827586207) internal successors, (96), 29 states have internal predecessors, (96), 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 04:16:28,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:16:28,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:16:28,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:16:28,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:16:28,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:16:28,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 04:16:28,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:16:28,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 04:16:28,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:16:29,871 WARN L205 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2021-07-10 04:16:32,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:16:32,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:16:32,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:16:32,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:16:32,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:16:32,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 04:16:32,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:16:32,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 04:16:32,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 04:16:32,252 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-07-10 04:16:32,252 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 04:16:32,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 04:16:32,253 INFO L82 PathProgramCache]: Analyzing trace with hash -9413634, now seen corresponding path program 10 times [2021-07-10 04:16:32,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 04:16:32,253 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562430703] [2021-07-10 04:16:32,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 04:16:32,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 04:16:32,379 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 36 proven. 107 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-07-10 04:16:32,379 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 04:16:32,379 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562430703] [2021-07-10 04:16:32,379 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562430703] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:16:32,379 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [396197350] [2021-07-10 04:16:32,379 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 04:16:32,422 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 04:16:32,422 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 04:16:32,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-10 04:16:32,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 04:16:32,806 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 103 proven. 69 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-07-10 04:16:32,807 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [396197350] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:16:32,807 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 04:16:32,807 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 19] total 35 [2021-07-10 04:16:32,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365279228] [2021-07-10 04:16:32,807 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-07-10 04:16:32,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 04:16:32,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-07-10 04:16:32,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=1070, Unknown=0, NotChecked=0, Total=1260 [2021-07-10 04:16:32,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:16:32,809 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 04:16:32,809 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 3.111111111111111) internal successors, (112), 35 states have internal predecessors, (112), 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 04:16:32,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:16:32,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:16:32,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:16:32,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:16:32,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:16:32,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 04:16:32,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:16:32,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 04:16:32,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 04:16:32,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:16:33,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:16:33,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:16:33,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:16:33,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:16:33,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:16:33,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 04:16:33,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:16:33,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 04:16:33,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 04:16:33,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 04:16:33,877 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable60 [2021-07-10 04:16:33,877 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 04:16:33,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 04:16:33,877 INFO L82 PathProgramCache]: Analyzing trace with hash 178641616, now seen corresponding path program 11 times [2021-07-10 04:16:33,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 04:16:33,878 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635657039] [2021-07-10 04:16:33,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 04:16:33,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 04:16:34,042 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 79 proven. 100 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-07-10 04:16:34,043 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 04:16:34,043 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635657039] [2021-07-10 04:16:34,043 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635657039] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:16:34,043 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1976416998] [2021-07-10 04:16:34,043 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 04:16:34,097 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2021-07-10 04:16:34,098 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 04:16:34,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-10 04:16:34,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 04:16:34,532 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 81 proven. 91 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-07-10 04:16:34,532 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1976416998] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:16:34,532 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 04:16:34,533 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 39 [2021-07-10 04:16:34,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442196008] [2021-07-10 04:16:34,533 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-10 04:16:34,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 04:16:34,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-10 04:16:34,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=1330, Unknown=0, NotChecked=0, Total=1560 [2021-07-10 04:16:34,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:16:34,534 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 04:16:34,537 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 2.9) internal successors, (116), 39 states have internal predecessors, (116), 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 04:16:34,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:16:34,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:16:34,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:16:34,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:16:34,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:16:34,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 04:16:34,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:16:34,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 04:16:34,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 04:16:34,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 04:16:34,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:16:36,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:16:36,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:16:36,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:16:36,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:16:36,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:16:36,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 04:16:36,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:16:36,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 04:16:36,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 04:16:36,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 04:16:36,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 04:16:36,246 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 04:16:36,246 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 04:16:36,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 04:16:36,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1896481116, now seen corresponding path program 12 times [2021-07-10 04:16:36,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 04:16:36,247 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694179720] [2021-07-10 04:16:36,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 04:16:36,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 04:16:36,464 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 140 proven. 109 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-07-10 04:16:36,464 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 04:16:36,464 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694179720] [2021-07-10 04:16:36,464 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694179720] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:16:36,464 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779183251] [2021-07-10 04:16:36,464 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 04:16:36,535 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2021-07-10 04:16:36,535 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 04:16:36,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-10 04:16:36,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 04:16:37,077 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 76 proven. 145 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-07-10 04:16:37,077 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1779183251] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:16:37,077 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 04:16:37,077 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 45 [2021-07-10 04:16:37,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840020870] [2021-07-10 04:16:37,078 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-07-10 04:16:37,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 04:16:37,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-07-10 04:16:37,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=279, Invalid=1791, Unknown=0, NotChecked=0, Total=2070 [2021-07-10 04:16:37,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:16:37,079 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 04:16:37,079 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 2.760869565217391) internal successors, (127), 45 states have internal predecessors, (127), 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 04:16:37,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:16:37,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:16:37,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:16:37,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:16:37,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:16:37,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 04:16:37,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:16:37,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 04:16:37,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 04:16:37,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 04:16:37,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 04:16:37,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:16:38,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:16:38,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:16:38,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:16:38,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:16:38,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:16:38,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 04:16:38,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:16:38,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 04:16:38,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 04:16:38,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 04:16:38,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 04:16:38,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-10 04:16:38,375 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable62 [2021-07-10 04:16:38,376 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 04:16:38,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 04:16:38,376 INFO L82 PathProgramCache]: Analyzing trace with hash 628729946, now seen corresponding path program 13 times [2021-07-10 04:16:38,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 04:16:38,376 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706294549] [2021-07-10 04:16:38,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 04:16:38,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 04:16:38,608 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 121 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-07-10 04:16:38,608 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 04:16:38,608 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706294549] [2021-07-10 04:16:38,608 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706294549] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:16:38,608 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1596804614] [2021-07-10 04:16:38,608 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 04:16:38,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 04:16:38,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 25 conjunts are in the unsatisfiable core [2021-07-10 04:16:38,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 04:16:38,796 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 142 proven. 189 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-07-10 04:16:38,797 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1596804614] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:16:38,797 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 04:16:38,797 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 26 [2021-07-10 04:16:38,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352413729] [2021-07-10 04:16:38,797 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-10 04:16:38,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 04:16:38,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-10 04:16:38,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=518, Unknown=0, NotChecked=0, Total=702 [2021-07-10 04:16:38,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:16:38,798 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 04:16:38,798 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 3.111111111111111) internal successors, (84), 26 states have internal predecessors, (84), 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 04:16:38,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:16:38,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:16:38,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:16:38,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:16:38,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:16:38,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 04:16:38,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:16:38,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 04:16:38,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 04:16:38,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 04:16:38,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 04:16:38,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-07-10 04:16:38,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:16:39,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:16:39,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:16:39,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:16:39,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:16:39,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:16:39,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 04:16:39,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:16:39,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 04:16:39,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 04:16:39,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 04:16:39,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 04:16:39,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-10 04:16:39,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 04:16:39,524 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 04:16:39,524 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 04:16:39,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 04:16:39,524 INFO L82 PathProgramCache]: Analyzing trace with hash -692310010, now seen corresponding path program 14 times [2021-07-10 04:16:39,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 04:16:39,524 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952209868] [2021-07-10 04:16:39,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 04:16:39,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 04:16:39,771 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 100 proven. 202 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2021-07-10 04:16:39,771 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 04:16:39,771 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952209868] [2021-07-10 04:16:39,771 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952209868] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:16:39,771 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631823161] [2021-07-10 04:16:39,771 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 04:16:39,819 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 04:16:39,819 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 04:16:39,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-10 04:16:39,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 04:16:40,458 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 217 proven. 156 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-07-10 04:16:40,458 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631823161] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:16:40,458 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 04:16:40,459 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 27] total 51 [2021-07-10 04:16:40,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882631780] [2021-07-10 04:16:40,459 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-07-10 04:16:40,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 04:16:40,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-07-10 04:16:40,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=378, Invalid=2274, Unknown=0, NotChecked=0, Total=2652 [2021-07-10 04:16:40,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:16:40,460 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 04:16:40,460 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 2.75) internal successors, (143), 51 states have internal predecessors, (143), 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 04:16:40,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:16:40,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:16:40,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:16:40,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:16:40,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:16:40,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 04:16:40,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:16:40,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 04:16:40,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 04:16:40,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 04:16:40,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 04:16:40,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-07-10 04:16:40,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 04:16:40,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:16:41,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:16:41,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:16:41,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:16:41,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:16:41,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:16:41,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 04:16:41,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:16:41,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 04:16:41,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 04:16:41,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 04:16:41,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 04:16:41,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-10 04:16:41,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 04:16:41,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-10 04:16:42,120 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2021-07-10 04:16:42,121 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 04:16:42,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 04:16:42,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1519134942, now seen corresponding path program 15 times [2021-07-10 04:16:42,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 04:16:42,121 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494129644] [2021-07-10 04:16:42,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 04:16:42,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 04:16:42,519 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 333 proven. 193 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-10 04:16:42,519 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 04:16:42,520 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494129644] [2021-07-10 04:16:42,520 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494129644] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:16:42,520 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153729484] [2021-07-10 04:16:42,520 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 04:16:42,588 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2021-07-10 04:16:42,588 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 04:16:42,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 35 conjunts are in the unsatisfiable core [2021-07-10 04:16:42,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 04:16:43,003 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-07-10 04:16:43,163 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-07-10 04:16:45,432 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 126 [2021-07-10 04:16:47,420 WARN L205 SmtUtils]: Spent 977.00 ms on a formula simplification that was a NOOP. DAG size: 746 [2021-07-10 04:16:50,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,195 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 04:16:50,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 48 treesize of output 92 [2021-07-10 04:16:50,229 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-07-10 04:16:50,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,357 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 04:16:50,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 92 [2021-07-10 04:16:50,405 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 3 xjuncts. [2021-07-10 04:16:50,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,535 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 04:16:50,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 66 treesize of output 92 [2021-07-10 04:16:50,765 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-10 04:16:50,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:50,907 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 04:16:50,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 92 [2021-07-10 04:16:51,133 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-07-10 04:16:51,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,286 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 04:16:51,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 92 [2021-07-10 04:16:51,514 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 5 xjuncts. [2021-07-10 04:16:51,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,663 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 04:16:51,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 92 [2021-07-10 04:16:51,689 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2021-07-10 04:16:51,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,856 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 04:16:51,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 92 [2021-07-10 04:16:51,900 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2021-07-10 04:16:51,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:51,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,052 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 04:16:52,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 92 [2021-07-10 04:16:52,264 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 4 xjuncts. [2021-07-10 04:16:52,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,425 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 04:16:52,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 92 [2021-07-10 04:16:52,472 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2021-07-10 04:16:52,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,622 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 04:16:52,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 92 [2021-07-10 04:16:52,703 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2021-07-10 04:16:52,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,871 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 04:16:52,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 92 [2021-07-10 04:16:52,928 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 3 xjuncts. [2021-07-10 04:16:52,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:52,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,095 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 04:16:53,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 92 [2021-07-10 04:16:53,127 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2021-07-10 04:16:53,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,289 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 04:16:53,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 66 treesize of output 92 [2021-07-10 04:16:53,328 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2021-07-10 04:16:53,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,490 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 04:16:53,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 66 treesize of output 92 [2021-07-10 04:16:53,525 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 2 xjuncts. [2021-07-10 04:16:53,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,679 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 04:16:53,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 66 treesize of output 92 [2021-07-10 04:16:53,716 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 2 xjuncts. [2021-07-10 04:16:53,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,886 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 04:16:53,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 92 [2021-07-10 04:16:53,919 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 2 xjuncts. [2021-07-10 04:16:53,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:53,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,099 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 04:16:54,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 92 [2021-07-10 04:16:54,155 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 2 xjuncts. [2021-07-10 04:16:54,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,314 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 04:16:54,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 92 [2021-07-10 04:16:54,351 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 2 xjuncts. [2021-07-10 04:16:54,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,523 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 04:16:54,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 92 [2021-07-10 04:16:54,667 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 3 xjuncts. [2021-07-10 04:16:54,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,840 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 04:16:54,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 92 [2021-07-10 04:16:54,893 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 3 xjuncts. [2021-07-10 04:16:54,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:54,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,061 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 04:16:55,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 92 [2021-07-10 04:16:55,087 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 2 xjuncts. [2021-07-10 04:16:55,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,260 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 04:16:55,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 92 [2021-07-10 04:16:55,475 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 2 xjuncts. [2021-07-10 04:16:55,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,646 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 04:16:55,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 92 [2021-07-10 04:16:55,677 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 4 xjuncts. [2021-07-10 04:16:55,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,856 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 04:16:55,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 58 treesize of output 92 [2021-07-10 04:16:55,887 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 2 xjuncts. [2021-07-10 04:16:55,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:55,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,055 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 04:16:56,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 92 [2021-07-10 04:16:56,080 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 2 xjuncts. [2021-07-10 04:16:56,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,264 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 04:16:56,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 92 [2021-07-10 04:16:56,292 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 2 xjuncts. [2021-07-10 04:16:56,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,474 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 04:16:56,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 92 [2021-07-10 04:16:56,502 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 3 xjuncts. [2021-07-10 04:16:56,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,704 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 04:16:56,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 92 [2021-07-10 04:16:56,758 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 2 xjuncts. [2021-07-10 04:16:56,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:56,936 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 04:16:56,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 66 treesize of output 92 [2021-07-10 04:16:56,974 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 2 xjuncts. [2021-07-10 04:16:57,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,163 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 04:16:57,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 66 treesize of output 92 [2021-07-10 04:16:57,192 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 2 xjuncts. [2021-07-10 04:16:57,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,384 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 04:16:57,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 66 treesize of output 92 [2021-07-10 04:16:57,409 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 2 xjuncts. [2021-07-10 04:16:57,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 04:16:57,547 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 04:16:57,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 66 treesize of output 92 [2021-07-10 04:16:57,656 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 2 xjuncts. [2021-07-10 04:17:05,378 WARN L205 SmtUtils]: Spent 7.72 s on a formula simplification. DAG size of input: 853 DAG size of output: 738 [2021-07-10 04:17:05,380 INFO L628 ElimStorePlain]: treesize reduction 927, result has 68.7 percent of original size [2021-07-10 04:17:08,862 WARN L205 SmtUtils]: Spent 3.48 s on a formula simplification. DAG size of input: 700 DAG size of output: 700 [2021-07-10 04:17:09,014 INFO L550 ElimStorePlain]: Start of recursive call 1: 32 dim-0 vars, 1 dim-1 vars, End of recursive call: and 43 xjuncts. [2021-07-10 04:17:09,014 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 33 variables, input treesize:2247, output treesize:1410 [2021-07-10 04:17:09,713 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 133 proven. 155 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2021-07-10 04:17:09,713 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [153729484] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 04:17:09,713 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 04:17:09,713 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 19] total 49 [2021-07-10 04:17:09,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741460583] [2021-07-10 04:17:09,713 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-10 04:17:09,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 04:17:09,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-10 04:17:09,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=287, Invalid=2065, Unknown=0, NotChecked=0, Total=2352 [2021-07-10 04:17:09,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:17:09,714 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 04:17:09,715 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 3.0) internal successors, (147), 49 states have internal predecessors, (147), 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 04:17:09,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:17:09,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:17:09,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 04:17:09,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 04:17:09,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 04:17:09,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 04:17:09,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 04:17:09,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 04:17:09,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 04:17:09,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 04:17:09,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 04:17:09,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-07-10 04:17:09,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 04:17:09,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-10 04:17:09,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:17:16,113 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-07-10 04:17:17,825 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2021-07-10 04:17:18,489 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-07-10 04:17:18,862 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-07-10 04:18:26,613 WARN L205 SmtUtils]: Spent 1.12 m on a formula simplification. DAG size of input: 202 DAG size of output: 200 [2021-07-10 04:18:27,566 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2021-07-10 04:18:28,237 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2021-07-10 04:19:20,625 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-07-10 04:19:20,827 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 04:19:20,827 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:626) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:173) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:140) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:360) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:388) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:281) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.visitState(DepthFirstTraversal.java:153) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:104) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.(DepthFirstTraversal.java:79) at de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction.applyWithoutSleepSets(PersistentSetReduction.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:173) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:238) ... 53 more [2021-07-10 04:19:20,830 INFO L168 Benchmark]: Toolchain (without parser) took 181045.36 ms. Allocated memory was 212.9 MB in the beginning and 639.6 MB in the end (delta: 426.8 MB). Free memory was 192.8 MB in the beginning and 365.1 MB in the end (delta: -172.3 MB). Peak memory consumption was 255.1 MB. Max. memory is 8.0 GB. [2021-07-10 04:19:20,831 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 212.9 MB. Free memory is still 193.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 04:19:20,831 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.68 ms. Allocated memory is still 212.9 MB. Free memory was 192.7 MB in the beginning and 191.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 04:19:20,831 INFO L168 Benchmark]: Boogie Preprocessor took 21.01 ms. Allocated memory is still 212.9 MB. Free memory was 191.2 MB in the beginning and 190.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 04:19:20,831 INFO L168 Benchmark]: RCFGBuilder took 239.64 ms. Allocated memory is still 212.9 MB. Free memory was 190.1 MB in the beginning and 176.3 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-07-10 04:19:20,831 INFO L168 Benchmark]: TraceAbstraction took 180759.30 ms. Allocated memory was 212.9 MB in the beginning and 639.6 MB in the end (delta: 426.8 MB). Free memory was 175.8 MB in the beginning and 365.1 MB in the end (delta: -189.3 MB). Peak memory consumption was 238.3 MB. Max. memory is 8.0 GB. [2021-07-10 04:19:20,831 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 212.9 MB. Free memory is still 193.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 21.68 ms. Allocated memory is still 212.9 MB. Free memory was 192.7 MB in the beginning and 191.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 21.01 ms. Allocated memory is still 212.9 MB. Free memory was 191.2 MB in the beginning and 190.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 239.64 ms. Allocated memory is still 212.9 MB. Free memory was 190.1 MB in the beginning and 176.3 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 180759.30 ms. Allocated memory was 212.9 MB in the beginning and 639.6 MB in the end (delta: 426.8 MB). Free memory was 175.8 MB in the beginning and 365.1 MB in the end (delta: -189.3 MB). Peak memory consumption was 238.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...