/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-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-dec.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 01:50:13,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 01:50:13,311 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 01:50:13,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-10 01:50:13,346 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-10 01:50:13,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-10 01:50:13,351 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-10 01:50:13,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-10 01:50:13,358 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-10 01:50:13,363 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-10 01:50:13,364 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-10 01:50:13,365 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-10 01:50:13,365 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 01:50:13,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 01:50:13,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 01:50:13,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 01:50:13,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 01:50:13,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 01:50:13,374 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 01:50:13,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 01:50:13,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 01:50:13,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 01:50:13,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 01:50:13,385 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 01:50:13,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-10 01:50:13,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-10 01:50:13,387 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-10 01:50:13,390 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-10 01:50:13,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-10 01:50:13,391 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-10 01:50:13,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-10 01:50:13,391 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-10 01:50:13,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-10 01:50:13,393 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-10 01:50:13,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-10 01:50:13,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-10 01:50:13,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-10 01:50:13,394 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-10 01:50:13,394 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 01:50:13,395 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 01:50:13,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 01:50:13,398 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-NewStatesSleep-NoLbe.epf [2021-07-10 01:50:13,422 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 01:50:13,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 01:50:13,423 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 01:50:13,423 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 01:50:13,425 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 01:50:13,425 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 01:50:13,425 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 01:50:13,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 01:50:13,426 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 01:50:13,426 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 01:50:13,426 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 01:50:13,426 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 01:50:13,427 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 01:50:13,427 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 01:50:13,427 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 01:50:13,427 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 01:50:13,427 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 01:50:13,427 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 01:50:13,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 01:50:13,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 01:50:13,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 01:50:13,427 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 01:50:13,427 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 01:50:13,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 01:50:13,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 01:50:13,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 01:50:13,428 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 01:50:13,428 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 01:50:13,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 01:50:13,428 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 01:50:13,428 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 01:50:13,428 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 01:50:13,429 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-10 01:50:13,429 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 01:50:13,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 01:50:13,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 01:50:13,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 01:50:13,707 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 01:50:13,708 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 01:50:13,708 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-dec.wvr.bpl [2021-07-10 01:50:13,708 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-dec.wvr.bpl' [2021-07-10 01:50:13,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 01:50:13,728 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 01:50:13,729 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 01:50:13,729 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 01:50:13,729 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 01:50:13,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:50:13" (1/1) ... [2021-07-10 01:50:13,744 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:50:13" (1/1) ... [2021-07-10 01:50:13,749 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 01:50:13,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 01:50:13,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 01:50:13,750 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 01:50:13,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:50:13" (1/1) ... [2021-07-10 01:50:13,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:50:13" (1/1) ... [2021-07-10 01:50:13,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:50:13" (1/1) ... [2021-07-10 01:50:13,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:50:13" (1/1) ... [2021-07-10 01:50:13,758 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:50:13" (1/1) ... [2021-07-10 01:50:13,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:50:13" (1/1) ... [2021-07-10 01:50:13,761 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:50:13" (1/1) ... [2021-07-10 01:50:13,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 01:50:13,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 01:50:13,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 01:50:13,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 01:50:13,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:50:13" (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 01:50:13,823 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 01:50:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 01:50:13,823 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 01:50:13,823 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 01:50:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 01:50:13,824 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 01:50:13,824 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 01:50:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 01:50:13,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 01:50:13,824 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-10 01:50:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-10 01:50:13,824 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-10 01:50:13,824 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-07-10 01:50:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-07-10 01:50:13,824 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-07-10 01:50:13,825 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 01:50:14,024 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 01:50:14,024 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-10 01:50:14,025 INFO L202 PluginConnector]: Adding new model min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 01:50:14 BoogieIcfgContainer [2021-07-10 01:50:14,026 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 01:50:14,027 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 01:50:14,027 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 01:50:14,029 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 01:50:14,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:50:13" (1/2) ... [2021-07-10 01:50:14,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14fec5d and model type min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 01:50:14, skipping insertion in model container [2021-07-10 01:50:14,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 01:50:14" (2/2) ... [2021-07-10 01:50:14,030 INFO L111 eAbstractionObserver]: Analyzing ICFG min-max-dec.wvr.bpl [2021-07-10 01:50:14,034 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 01:50:14,034 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 01:50:14,034 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 01:50:14,034 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 01:50:14,101 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-07-10 01:50:14,118 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 01:50:14,152 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 01:50:14,152 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 01:50:14,152 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 01:50:14,152 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 01:50:14,152 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 01:50:14,153 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 01:50:14,153 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 01:50:14,163 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 01:50:14,260 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:50:14,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:50:14,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1438409888, now seen corresponding path program 1 times [2021-07-10 01:50:14,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:50:14,270 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250880757] [2021-07-10 01:50:14,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:50:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:50:14,510 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 01:50:14,511 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:50:14,511 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250880757] [2021-07-10 01:50:14,511 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250880757] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:50:14,511 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1940478130] [2021-07-10 01:50:14,511 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 01:50:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:50:14,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-10 01:50:14,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:50:14,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 14 [2021-07-10 01:50:14,786 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:14,796 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:50:14,797 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:50:14,797 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:21 [2021-07-10 01:50:14,874 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 01:50:14,878 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:14,879 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:50:14,880 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:50:14,880 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:5 [2021-07-10 01:50:14,930 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 01:50:14,930 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1940478130] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:50:14,930 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:50:14,930 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-07-10 01:50:14,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384003264] [2021-07-10 01:50:14,934 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-10 01:50:14,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:50:14,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-10 01:50:14,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-07-10 01:50:14,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:50:14,979 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:50:14,980 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 3.2857142857142856) internal successors, (46), 13 states have internal predecessors, (46), 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 01:50:14,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:50:15,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:50:15,361 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-07-10 01:50:15,361 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:50:15,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:50:15,362 INFO L82 PathProgramCache]: Analyzing trace with hash -1245597502, now seen corresponding path program 2 times [2021-07-10 01:50:15,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:50:15,362 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050182128] [2021-07-10 01:50:15,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:50:15,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:50:15,419 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 01:50:15,420 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:50:15,420 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050182128] [2021-07-10 01:50:15,420 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050182128] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:50:15,420 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716688482] [2021-07-10 01:50:15,420 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 01:50:15,454 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 01:50:15,455 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:50:15,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-10 01:50:15,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:50:15,509 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:50:15,509 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [716688482] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:50:15,510 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:50:15,510 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-07-10 01:50:15,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465524231] [2021-07-10 01:50:15,510 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-10 01:50:15,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:50:15,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-10 01:50:15,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-07-10 01:50:15,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:50:15,511 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:50:15,511 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 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 01:50:15,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:50:15,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:50:15,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:50:15,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:50:15,810 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:50:15,811 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:50:15,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:50:15,811 INFO L82 PathProgramCache]: Analyzing trace with hash -2050303934, now seen corresponding path program 3 times [2021-07-10 01:50:15,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:50:15,812 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109991458] [2021-07-10 01:50:15,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:50:15,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:50:15,882 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-10 01:50:15,883 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:50:15,883 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109991458] [2021-07-10 01:50:15,883 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109991458] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:50:15,883 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1601861218] [2021-07-10 01:50:15,884 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 01:50:15,993 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 01:50:15,993 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:50:15,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-10 01:50:15,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:50:16,049 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-10 01:50:16,050 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1601861218] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:50:16,050 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:50:16,050 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-07-10 01:50:16,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909964858] [2021-07-10 01:50:16,050 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-10 01:50:16,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:50:16,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-10 01:50:16,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-07-10 01:50:16,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:50:16,051 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:50:16,051 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 6 states have internal predecessors, (41), 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 01:50:16,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:50:16,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:50:16,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:50:16,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:50:16,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:50:16,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:50:16,354 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:50:16,354 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:50:16,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:50:16,355 INFO L82 PathProgramCache]: Analyzing trace with hash 1238599746, now seen corresponding path program 4 times [2021-07-10 01:50:16,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:50:16,355 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344914217] [2021-07-10 01:50:16,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:50:16,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:50:16,437 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-10 01:50:16,437 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:50:16,437 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344914217] [2021-07-10 01:50:16,437 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344914217] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:50:16,437 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [372812243] [2021-07-10 01:50:16,438 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 01:50:16,497 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 01:50:16,497 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:50:16,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-10 01:50:16,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:50:16,563 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-10 01:50:16,563 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [372812243] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:50:16,564 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:50:16,564 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-07-10 01:50:16,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775483418] [2021-07-10 01:50:16,564 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-10 01:50:16,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:50:16,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-10 01:50:16,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-07-10 01:50:16,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:50:16,565 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:50:16,565 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 8 states have internal predecessors, (44), 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 01:50:16,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:50:16,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:50:16,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:50:16,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:50:16,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:50:16,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:50:16,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:50:16,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:50:16,870 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:50:16,871 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:50:16,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:50:16,871 INFO L82 PathProgramCache]: Analyzing trace with hash 929828278, now seen corresponding path program 5 times [2021-07-10 01:50:16,871 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:50:16,871 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906800063] [2021-07-10 01:50:16,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:50:16,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:50:16,926 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 28 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 01:50:16,927 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:50:16,927 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906800063] [2021-07-10 01:50:16,927 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906800063] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:50:16,927 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98136950] [2021-07-10 01:50:16,927 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 01:50:16,974 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-07-10 01:50:16,974 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:50:16,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-10 01:50:16,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:50:17,075 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 20 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:50:17,075 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [98136950] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:50:17,075 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:50:17,075 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2021-07-10 01:50:17,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104097165] [2021-07-10 01:50:17,076 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-10 01:50:17,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:50:17,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-10 01:50:17,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-07-10 01:50:17,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:50:17,077 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:50:17,077 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 4.866666666666666) internal successors, (73), 14 states have internal predecessors, (73), 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 01:50:17,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:50:17,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:50:17,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:50:17,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:50:17,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:50:17,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:50:17,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:50:17,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:50:17,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:50:17,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:50:17,796 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:50:17,797 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:50:17,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:50:17,797 INFO L82 PathProgramCache]: Analyzing trace with hash -245408574, now seen corresponding path program 6 times [2021-07-10 01:50:17,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:50:17,797 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956332841] [2021-07-10 01:50:17,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:50:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:50:17,885 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 50 proven. 44 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-10 01:50:17,885 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:50:17,885 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956332841] [2021-07-10 01:50:17,885 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956332841] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:50:17,887 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556380995] [2021-07-10 01:50:17,887 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 01:50:17,950 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-10 01:50:17,950 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:50:17,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-10 01:50:17,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:50:18,153 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 16 proven. 65 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-07-10 01:50:18,154 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [556380995] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:50:18,154 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:50:18,154 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2021-07-10 01:50:18,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485736577] [2021-07-10 01:50:18,155 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-10 01:50:18,155 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:50:18,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-10 01:50:18,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2021-07-10 01:50:18,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:50:18,155 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:50:18,156 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 4.136363636363637) internal successors, (91), 21 states have internal predecessors, (91), 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 01:50:18,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:50:18,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:50:18,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:50:18,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:50:18,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:50:18,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:50:18,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:50:18,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:50:18,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:50:18,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:50:18,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:50:18,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:50:18,879 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:50:18,879 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:50:18,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:50:18,880 INFO L82 PathProgramCache]: Analyzing trace with hash 1181284662, now seen corresponding path program 7 times [2021-07-10 01:50:18,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:50:18,880 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143772164] [2021-07-10 01:50:18,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:50:18,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:50:18,963 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 34 proven. 41 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-07-10 01:50:18,964 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:50:18,964 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143772164] [2021-07-10 01:50:18,965 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143772164] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:50:18,965 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113325425] [2021-07-10 01:50:18,966 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 01:50:19,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:50:19,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-10 01:50:19,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:50:19,127 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 41 proven. 34 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-07-10 01:50:19,127 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113325425] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:50:19,127 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:50:19,127 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 10 [2021-07-10 01:50:19,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305395012] [2021-07-10 01:50:19,128 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-10 01:50:19,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:50:19,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-10 01:50:19,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2021-07-10 01:50:19,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:50:19,129 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:50:19,129 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 10 states have internal predecessors, (58), 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 01:50:19,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:50:19,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:50:19,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:50:19,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:50:19,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:50:19,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:50:19,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:50:19,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:50:19,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:50:19,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:50:19,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:50:19,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:50:19,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:50:19,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:50:19,527 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-07-10 01:50:19,528 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:50:19,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:50:19,528 INFO L82 PathProgramCache]: Analyzing trace with hash -2012610758, now seen corresponding path program 8 times [2021-07-10 01:50:19,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:50:19,528 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172120856] [2021-07-10 01:50:19,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:50:19,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:50:19,667 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 72 proven. 101 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 01:50:19,667 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:50:19,667 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172120856] [2021-07-10 01:50:19,667 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172120856] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:50:19,667 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1997169986] [2021-07-10 01:50:19,667 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 01:50:19,709 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 01:50:19,709 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:50:19,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-10 01:50:19,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:50:19,921 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 110 proven. 25 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-07-10 01:50:19,921 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1997169986] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:50:19,921 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:50:19,921 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 10] total 29 [2021-07-10 01:50:19,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33941146] [2021-07-10 01:50:19,922 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-10 01:50:19,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:50:19,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-10 01:50:19,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=719, Unknown=0, NotChecked=0, Total=870 [2021-07-10 01:50:19,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:50:19,923 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:50:19,923 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.6333333333333333) internal successors, (109), 29 states have internal predecessors, (109), 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 01:50:19,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:50:19,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:50:19,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:50:19,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:50:19,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:50:19,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:50:19,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:50:19,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:50:20,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:50:20,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:50:20,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:50:20,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:50:20,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:50:20,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:50:20,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:50:20,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:50:20,289 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:50:20,289 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:50:20,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:50:20,290 INFO L82 PathProgramCache]: Analyzing trace with hash 196016924, now seen corresponding path program 9 times [2021-07-10 01:50:20,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:50:20,290 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243706595] [2021-07-10 01:50:20,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:50:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:50:20,373 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 39 proven. 102 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-07-10 01:50:20,374 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:50:20,374 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243706595] [2021-07-10 01:50:20,374 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243706595] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:50:20,374 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [714801176] [2021-07-10 01:50:20,374 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 01:50:20,437 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-10 01:50:20,438 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:50:20,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 36 conjunts are in the unsatisfiable core [2021-07-10 01:50:20,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:50:20,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:20,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:20,633 INFO L354 Elim1Store]: treesize reduction 32, result has 59.5 percent of original size [2021-07-10 01:50:20,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 29 treesize of output 60 [2021-07-10 01:50:20,647 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-10 01:50:20,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:20,712 INFO L354 Elim1Store]: treesize reduction 32, result has 59.5 percent of original size [2021-07-10 01:50:20,712 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 25 treesize of output 60 [2021-07-10 01:50:20,721 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:20,840 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2021-07-10 01:50:20,841 INFO L628 ElimStorePlain]: treesize reduction 111, result has 50.9 percent of original size [2021-07-10 01:50:20,849 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:50:20,849 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:71, output treesize:111 [2021-07-10 01:50:20,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:20,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:21,039 INFO L354 Elim1Store]: treesize reduction 32, result has 59.5 percent of original size [2021-07-10 01:50:21,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 29 treesize of output 60 [2021-07-10 01:50:21,056 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-10 01:50:21,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:21,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:21,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:21,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:21,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 32 [2021-07-10 01:50:21,068 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:21,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:21,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:21,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:21,116 INFO L354 Elim1Store]: treesize reduction 16, result has 60.0 percent of original size [2021-07-10 01:50:21,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 46 [2021-07-10 01:50:21,127 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:21,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:21,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:21,164 INFO L354 Elim1Store]: treesize reduction 48, result has 39.2 percent of original size [2021-07-10 01:50:21,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 25 treesize of output 44 [2021-07-10 01:50:21,181 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:21,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:21,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:21,211 INFO L354 Elim1Store]: treesize reduction 16, result has 60.0 percent of original size [2021-07-10 01:50:21,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 46 [2021-07-10 01:50:21,216 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-07-10 01:50:21,415 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 51 [2021-07-10 01:50:21,416 INFO L628 ElimStorePlain]: treesize reduction 132, result has 61.7 percent of original size [2021-07-10 01:50:21,426 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-07-10 01:50:21,426 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 2 variables, input treesize:199, output treesize:192 [2021-07-10 01:50:21,799 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-07-10 01:50:22,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:22,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:22,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:22,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:22,348 INFO L354 Elim1Store]: treesize reduction 44, result has 59.3 percent of original size [2021-07-10 01:50:22,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 30 treesize of output 80 [2021-07-10 01:50:22,359 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:22,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:22,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:22,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:22,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:22,463 INFO L354 Elim1Store]: treesize reduction 44, result has 59.3 percent of original size [2021-07-10 01:50:22,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 80 [2021-07-10 01:50:22,476 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-10 01:50:22,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:22,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:22,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:22,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:22,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:22,551 INFO L354 Elim1Store]: treesize reduction 28, result has 59.4 percent of original size [2021-07-10 01:50:22,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 66 [2021-07-10 01:50:22,561 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-10 01:50:22,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:22,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:22,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:22,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:22,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:22,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:22,650 INFO L354 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2021-07-10 01:50:22,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 50 [2021-07-10 01:50:22,654 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:22,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:22,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:22,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:22,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:22,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:22,741 INFO L354 Elim1Store]: treesize reduction 28, result has 59.4 percent of original size [2021-07-10 01:50:22,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 66 [2021-07-10 01:50:22,748 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:22,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:22,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:22,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:22,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:22,866 INFO L354 Elim1Store]: treesize reduction 44, result has 59.3 percent of original size [2021-07-10 01:50:22,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 80 [2021-07-10 01:50:22,881 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2021-07-10 01:50:22,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:22,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:22,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:22,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:22,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:22,973 INFO L354 Elim1Store]: treesize reduction 28, result has 59.4 percent of original size [2021-07-10 01:50:22,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 66 [2021-07-10 01:50:22,983 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2021-07-10 01:50:22,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:22,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:23,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:23,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:23,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:23,091 INFO L354 Elim1Store]: treesize reduction 28, result has 59.4 percent of original size [2021-07-10 01:50:23,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 66 [2021-07-10 01:50:23,109 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:23,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:23,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:23,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:23,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:23,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:23,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:23,186 INFO L354 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2021-07-10 01:50:23,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 50 [2021-07-10 01:50:23,190 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:23,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:23,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:23,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:23,311 INFO L354 Elim1Store]: treesize reduction 44, result has 59.3 percent of original size [2021-07-10 01:50:23,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 80 [2021-07-10 01:50:23,321 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:24,589 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 335 DAG size of output: 261 [2021-07-10 01:50:24,590 INFO L628 ElimStorePlain]: treesize reduction 368, result has 71.4 percent of original size [2021-07-10 01:50:25,040 INFO L550 ElimStorePlain]: Start of recursive call 1: 11 dim-0 vars, 1 dim-1 vars, End of recursive call: 12 dim-0 vars, and 10 xjuncts. [2021-07-10 01:50:25,041 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 12 variables, input treesize:507, output treesize:920 [2021-07-10 01:50:25,744 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 254 [2021-07-10 01:50:28,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,360 INFO L354 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2021-07-10 01:50:28,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 52 [2021-07-10 01:50:28,364 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:28,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,517 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 33 [2021-07-10 01:50:28,517 INFO L354 Elim1Store]: treesize reduction 44, result has 59.3 percent of original size [2021-07-10 01:50:28,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 80 [2021-07-10 01:50:28,526 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:28,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,592 INFO L354 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2021-07-10 01:50:28,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 52 [2021-07-10 01:50:28,596 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:28,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,666 INFO L354 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2021-07-10 01:50:28,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 50 [2021-07-10 01:50:28,669 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:28,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 47 [2021-07-10 01:50:28,717 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:28,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,803 INFO L354 Elim1Store]: treesize reduction 135, result has 0.7 percent of original size [2021-07-10 01:50:28,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 45 treesize of output 1 [2021-07-10 01:50:28,804 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:28,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,922 INFO L354 Elim1Store]: treesize reduction 28, result has 59.4 percent of original size [2021-07-10 01:50:28,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 68 [2021-07-10 01:50:28,925 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:28,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 38 [2021-07-10 01:50:28,966 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:28,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:28,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 38 [2021-07-10 01:50:29,005 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:29,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-07-10 01:50:29,039 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:29,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,237 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 33 [2021-07-10 01:50:29,237 INFO L354 Elim1Store]: treesize reduction 72, result has 47.1 percent of original size [2021-07-10 01:50:29,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 96 [2021-07-10 01:50:29,242 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:29,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,324 INFO L354 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2021-07-10 01:50:29,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 52 [2021-07-10 01:50:29,327 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2021-07-10 01:50:29,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,450 INFO L354 Elim1Store]: treesize reduction 28, result has 59.4 percent of original size [2021-07-10 01:50:29,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 44 treesize of output 70 [2021-07-10 01:50:29,454 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:29,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 40 [2021-07-10 01:50:29,503 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:29,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,708 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 33 [2021-07-10 01:50:29,709 INFO L354 Elim1Store]: treesize reduction 44, result has 59.3 percent of original size [2021-07-10 01:50:29,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 80 [2021-07-10 01:50:29,717 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 2 xjuncts. [2021-07-10 01:50:29,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,893 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 33 [2021-07-10 01:50:29,893 INFO L354 Elim1Store]: treesize reduction 44, result has 59.3 percent of original size [2021-07-10 01:50:29,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 30 treesize of output 80 [2021-07-10 01:50:29,905 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:29,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:29,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 42 [2021-07-10 01:50:29,970 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:30,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 38 [2021-07-10 01:50:30,046 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:30,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,115 INFO L354 Elim1Store]: treesize reduction 29, result has 3.3 percent of original size [2021-07-10 01:50:30,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 1 [2021-07-10 01:50:30,116 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:30,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 38 [2021-07-10 01:50:30,162 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:30,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 42 [2021-07-10 01:50:30,207 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:30,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,303 INFO L354 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2021-07-10 01:50:30,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 50 [2021-07-10 01:50:30,318 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 2 xjuncts. [2021-07-10 01:50:30,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,454 INFO L354 Elim1Store]: treesize reduction 28, result has 59.4 percent of original size [2021-07-10 01:50:30,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 66 [2021-07-10 01:50:30,474 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 2 xjuncts. [2021-07-10 01:50:30,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,662 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 25 [2021-07-10 01:50:30,663 INFO L354 Elim1Store]: treesize reduction 68, result has 37.0 percent of original size [2021-07-10 01:50:30,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 56 [2021-07-10 01:50:30,668 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:30,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 40 [2021-07-10 01:50:30,715 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:30,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,894 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 23 [2021-07-10 01:50:30,894 INFO L354 Elim1Store]: treesize reduction 28, result has 59.4 percent of original size [2021-07-10 01:50:30,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 66 [2021-07-10 01:50:30,899 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:30,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:30,991 INFO L354 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2021-07-10 01:50:30,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 50 [2021-07-10 01:50:30,995 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:31,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:31,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:31,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:31,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:31,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:31,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:31,084 INFO L354 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2021-07-10 01:50:31,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 50 [2021-07-10 01:50:31,087 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:31,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:31,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:31,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:31,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:31,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:31,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:31,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:31,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 40 [2021-07-10 01:50:31,137 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:31,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:31,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:31,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:31,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:31,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:31,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:31,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-07-10 01:50:31,180 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:34,329 WARN L205 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 390 DAG size of output: 301 [2021-07-10 01:50:34,330 INFO L628 ElimStorePlain]: treesize reduction 646, result has 71.3 percent of original size [2021-07-10 01:50:34,548 INFO L550 ElimStorePlain]: Start of recursive call 1: 11 dim-0 vars, 1 dim-1 vars, End of recursive call: 28 dim-0 vars, and 25 xjuncts. [2021-07-10 01:50:34,549 INFO L247 ElimStorePlain]: Needed 31 recursive calls to eliminate 12 variables, input treesize:1640, output treesize:1558 [2021-07-10 01:50:37,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,109 INFO L354 Elim1Store]: treesize reduction 14, result has 61.1 percent of original size [2021-07-10 01:50:37,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 56 [2021-07-10 01:50:37,112 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:37,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 40 [2021-07-10 01:50:37,146 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:37,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,218 INFO L354 Elim1Store]: treesize reduction 18, result has 60.9 percent of original size [2021-07-10 01:50:37,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 62 [2021-07-10 01:50:37,221 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:37,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 40 [2021-07-10 01:50:37,255 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:37,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,366 INFO L354 Elim1Store]: treesize reduction 36, result has 60.4 percent of original size [2021-07-10 01:50:37,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 44 treesize of output 84 [2021-07-10 01:50:37,369 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:37,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2021-07-10 01:50:37,404 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:37,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,593 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 34 [2021-07-10 01:50:37,593 INFO L354 Elim1Store]: treesize reduction 50, result has 60.3 percent of original size [2021-07-10 01:50:37,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 94 [2021-07-10 01:50:37,605 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2021-07-10 01:50:37,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,707 INFO L354 Elim1Store]: treesize reduction 14, result has 61.1 percent of original size [2021-07-10 01:50:37,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 58 [2021-07-10 01:50:37,710 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2021-07-10 01:50:37,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,928 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 34 [2021-07-10 01:50:37,928 INFO L354 Elim1Store]: treesize reduction 50, result has 60.3 percent of original size [2021-07-10 01:50:37,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 94 [2021-07-10 01:50:37,933 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:37,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:37,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,030 INFO L354 Elim1Store]: treesize reduction 14, result has 61.1 percent of original size [2021-07-10 01:50:38,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 56 [2021-07-10 01:50:38,033 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:38,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 49 [2021-07-10 01:50:38,094 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:38,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,191 INFO L354 Elim1Store]: treesize reduction 18, result has 60.9 percent of original size [2021-07-10 01:50:38,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 60 [2021-07-10 01:50:38,194 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2021-07-10 01:50:38,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,309 INFO L354 Elim1Store]: treesize reduction 14, result has 61.1 percent of original size [2021-07-10 01:50:38,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 56 [2021-07-10 01:50:38,312 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:38,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,558 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 34 [2021-07-10 01:50:38,558 INFO L354 Elim1Store]: treesize reduction 78, result has 49.4 percent of original size [2021-07-10 01:50:38,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 53 treesize of output 110 [2021-07-10 01:50:38,563 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:38,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 44 [2021-07-10 01:50:38,624 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:38,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 40 [2021-07-10 01:50:38,673 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:38,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 40 [2021-07-10 01:50:38,731 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:38,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,941 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 24 [2021-07-10 01:50:38,942 INFO L354 Elim1Store]: treesize reduction 32, result has 60.5 percent of original size [2021-07-10 01:50:38,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 76 [2021-07-10 01:50:38,959 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:38,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:38,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:39,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:39,172 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 24 [2021-07-10 01:50:39,172 INFO L354 Elim1Store]: treesize reduction 32, result has 60.5 percent of original size [2021-07-10 01:50:39,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 42 treesize of output 76 [2021-07-10 01:50:39,178 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 2 xjuncts. [2021-07-10 01:50:39,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:39,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:39,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:39,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:39,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:39,330 INFO L354 Elim1Store]: treesize reduction 36, result has 60.4 percent of original size [2021-07-10 01:50:39,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 40 treesize of output 82 [2021-07-10 01:50:39,333 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:39,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:39,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:39,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:39,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:39,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:39,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:39,416 INFO L354 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2021-07-10 01:50:39,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 1 [2021-07-10 01:50:39,417 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:39,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:39,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:39,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:39,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:39,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:39,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:39,536 INFO L354 Elim1Store]: treesize reduction 14, result has 61.1 percent of original size [2021-07-10 01:50:39,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 58 [2021-07-10 01:50:39,540 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:39,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:39,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:39,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:39,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:39,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:39,754 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 34 [2021-07-10 01:50:39,754 INFO L354 Elim1Store]: treesize reduction 78, result has 49.4 percent of original size [2021-07-10 01:50:39,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 108 [2021-07-10 01:50:39,760 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:39,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:39,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:39,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:39,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:39,989 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 34 [2021-07-10 01:50:39,989 INFO L354 Elim1Store]: treesize reduction 50, result has 60.3 percent of original size [2021-07-10 01:50:39,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 38 treesize of output 94 [2021-07-10 01:50:39,996 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:40,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:40,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:40,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:40,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:40,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:40,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:40,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:40,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 42 [2021-07-10 01:50:40,065 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:40,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:40,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:40,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:40,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:40,293 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 34 [2021-07-10 01:50:40,294 INFO L354 Elim1Store]: treesize reduction 50, result has 60.3 percent of original size [2021-07-10 01:50:40,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 38 treesize of output 94 [2021-07-10 01:50:40,319 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 2 xjuncts. [2021-07-10 01:50:40,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:40,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:40,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:40,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:40,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:40,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:40,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:40,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 42 [2021-07-10 01:50:40,397 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:40,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:40,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:40,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:40,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:40,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:40,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:40,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:40,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 44 [2021-07-10 01:50:40,471 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:40,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:40,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:40,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:40,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:40,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:40,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:40,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:40,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 40 [2021-07-10 01:50:40,541 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:40,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:40,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:40,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:40,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:40,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:40,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:40,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 40 [2021-07-10 01:50:40,609 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:44,384 WARN L205 SmtUtils]: Spent 3.77 s on a formula simplification. DAG size of input: 460 DAG size of output: 356 [2021-07-10 01:50:44,385 INFO L628 ElimStorePlain]: treesize reduction 1022, result has 62.1 percent of original size [2021-07-10 01:50:44,462 INFO L550 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 1 dim-1 vars, End of recursive call: 25 dim-0 vars, and 25 xjuncts. [2021-07-10 01:50:44,462 INFO L247 ElimStorePlain]: Needed 31 recursive calls to eliminate 11 variables, input treesize:1628, output treesize:1658 [2021-07-10 01:50:49,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:49,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:49,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:49,762 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:50:49,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 53 [2021-07-10 01:50:49,774 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-10 01:50:49,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:49,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:49,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:49,826 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:50:49,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 51 [2021-07-10 01:50:49,839 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-10 01:50:49,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:49,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:49,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:49,885 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:50:49,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 49 [2021-07-10 01:50:49,902 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-10 01:50:49,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:49,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:49,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:49,963 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:50:49,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 58 [2021-07-10 01:50:49,976 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-07-10 01:50:49,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:49,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:49,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:50,027 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:50:50,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 51 [2021-07-10 01:50:50,044 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-07-10 01:50:50,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:50,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:50,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:50,103 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:50:50,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 49 [2021-07-10 01:50:50,114 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2021-07-10 01:50:50,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:50,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:50,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:50,173 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:50:50,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 47 [2021-07-10 01:50:50,185 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2021-07-10 01:50:50,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:50,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:50,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:50,248 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:50:50,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 47 [2021-07-10 01:50:50,258 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2021-07-10 01:50:50,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:50,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:50,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:50,319 INFO L354 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2021-07-10 01:50:50,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 42 treesize of output 1 [2021-07-10 01:50:50,320 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:50,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:50,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:50,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:50,375 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:50:50,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 49 [2021-07-10 01:50:50,390 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2021-07-10 01:50:50,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:50,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:50,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:50,459 INFO L354 Elim1Store]: treesize reduction 32, result has 8.6 percent of original size [2021-07-10 01:50:50,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 20 [2021-07-10 01:50:50,461 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:50,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:50,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:50,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:50,533 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:50:50,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 49 [2021-07-10 01:50:50,552 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2021-07-10 01:50:50,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:50,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:50,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:50,622 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:50:50,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 49 [2021-07-10 01:50:50,633 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2021-07-10 01:50:50,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:50,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:50,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:50,702 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:50:50,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 51 [2021-07-10 01:50:50,716 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 3 xjuncts. [2021-07-10 01:50:50,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:50,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:50,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:50,782 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:50:50,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 47 [2021-07-10 01:50:50,803 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 3 xjuncts. [2021-07-10 01:50:50,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:50,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:50,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:50,872 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:50:50,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 49 [2021-07-10 01:50:50,891 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 2 xjuncts. [2021-07-10 01:50:50,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:50,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:50,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:50,974 INFO L354 Elim1Store]: treesize reduction 23, result has 34.3 percent of original size [2021-07-10 01:50:50,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 26 [2021-07-10 01:50:50,976 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:50,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:50,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:51,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:51,026 INFO L354 Elim1Store]: treesize reduction 34, result has 2.9 percent of original size [2021-07-10 01:50:51,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 1 [2021-07-10 01:50:51,027 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:51,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:51,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:51,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:51,124 INFO L354 Elim1Store]: treesize reduction 19, result has 45.7 percent of original size [2021-07-10 01:50:51,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 30 [2021-07-10 01:50:51,128 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:51,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:51,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:51,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:51,203 INFO L354 Elim1Store]: treesize reduction 32, result has 8.6 percent of original size [2021-07-10 01:50:51,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 22 [2021-07-10 01:50:51,204 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:51,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:51,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:51,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:51,275 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:50:51,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 49 [2021-07-10 01:50:51,295 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 3 xjuncts. [2021-07-10 01:50:51,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:51,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:51,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:51,375 INFO L354 Elim1Store]: treesize reduction 25, result has 28.6 percent of original size [2021-07-10 01:50:51,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 24 [2021-07-10 01:50:51,377 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:51,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:51,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:51,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:51,434 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:50:51,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 51 [2021-07-10 01:50:51,443 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 2 xjuncts. [2021-07-10 01:50:51,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:51,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:51,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:51,566 INFO L354 Elim1Store]: treesize reduction 22, result has 69.9 percent of original size [2021-07-10 01:50:51,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 46 treesize of output 74 [2021-07-10 01:50:51,582 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:51,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:51,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:51,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:51,653 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:50:51,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 49 [2021-07-10 01:50:51,665 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 3 xjuncts. [2021-07-10 01:50:51,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:51,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:51,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:51,712 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:50:51,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 53 [2021-07-10 01:50:51,724 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 2 xjuncts. [2021-07-10 01:50:51,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:51,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:51,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:51,793 INFO L354 Elim1Store]: treesize reduction 23, result has 34.3 percent of original size [2021-07-10 01:50:51,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 28 [2021-07-10 01:50:51,795 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:51,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:51,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:51,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:51,860 INFO L354 Elim1Store]: treesize reduction 17, result has 51.4 percent of original size [2021-07-10 01:50:51,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 32 [2021-07-10 01:50:51,862 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:51,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:51,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:51,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:51,933 INFO L354 Elim1Store]: treesize reduction 32, result has 8.6 percent of original size [2021-07-10 01:50:51,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 20 [2021-07-10 01:50:51,934 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-10 01:50:51,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:51,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:51,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:50:51,979 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:50:51,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 47 [2021-07-10 01:50:51,993 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 3 xjuncts. [2021-07-10 01:50:53,701 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 278 DAG size of output: 233 [2021-07-10 01:50:53,701 INFO L628 ElimStorePlain]: treesize reduction 340, result has 71.3 percent of original size [2021-07-10 01:50:53,751 INFO L550 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 1 dim-1 vars, End of recursive call: and 39 xjuncts. [2021-07-10 01:50:53,751 INFO L247 ElimStorePlain]: Needed 31 recursive calls to eliminate 11 variables, input treesize:1408, output treesize:1005 [2021-07-10 01:50:54,180 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 22 proven. 112 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-07-10 01:50:54,180 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [714801176] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:50:54,180 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:50:54,181 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 18] total 29 [2021-07-10 01:50:54,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307943845] [2021-07-10 01:50:54,181 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-10 01:50:54,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:50:54,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-10 01:50:54,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=714, Unknown=0, NotChecked=0, Total=812 [2021-07-10 01:50:54,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:50:54,182 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:50:54,182 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.5517241379310347) internal successors, (103), 29 states have internal predecessors, (103), 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 01:50:54,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:50:54,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:50:54,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:50:54,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:50:54,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:50:54,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:50:54,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:50:54,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:50:54,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:50:55,983 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-07-10 01:51:00,893 WARN L205 SmtUtils]: Spent 4.61 s on a formula simplification that was a NOOP. DAG size: 73 [2021-07-10 01:51:02,984 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 215 DAG size of output: 214 [2021-07-10 01:51:03,869 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 60 [2021-07-10 01:51:04,449 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-07-10 01:51:06,484 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 72 DAG size of output: 61 [2021-07-10 01:51:11,524 WARN L205 SmtUtils]: Spent 4.89 s on a formula simplification that was a NOOP. DAG size: 73 [2021-07-10 01:51:14,078 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 215 DAG size of output: 214 [2021-07-10 01:51:14,398 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-07-10 01:51:16,953 WARN L205 SmtUtils]: Spent 2.42 s on a formula simplification that was a NOOP. DAG size: 73 [2021-07-10 01:51:18,196 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 214 [2021-07-10 01:51:18,620 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-07-10 01:51:20,944 WARN L205 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 70 [2021-07-10 01:51:21,987 WARN L205 SmtUtils]: Spent 833.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-07-10 01:51:25,641 WARN L205 SmtUtils]: Spent 3.40 s on a formula simplification that was a NOOP. DAG size: 77 [2021-07-10 01:51:26,726 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2021-07-10 01:51:28,245 WARN L205 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-07-10 01:51:31,745 WARN L205 SmtUtils]: Spent 3.05 s on a formula simplification that was a NOOP. DAG size: 210 [2021-07-10 01:51:32,231 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 59 [2021-07-10 01:51:35,033 WARN L205 SmtUtils]: Spent 2.39 s on a formula simplification that was a NOOP. DAG size: 61 [2021-07-10 01:51:36,812 WARN L205 SmtUtils]: Spent 952.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-07-10 01:51:38,093 WARN L205 SmtUtils]: Spent 884.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-07-10 01:51:38,600 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 67 [2021-07-10 01:51:40,852 WARN L205 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2021-07-10 01:51:41,514 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 52 [2021-07-10 01:51:43,027 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 205 DAG size of output: 149 [2021-07-10 01:51:43,623 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 151 [2021-07-10 01:51:43,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:51:43,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:51:43,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:51:43,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:51:43,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 01:51:43,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-10 01:51:43,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:51:43,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:51:43,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 01:51:43,836 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:51:43,837 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:51:43,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:51:43,837 INFO L82 PathProgramCache]: Analyzing trace with hash 47383278, now seen corresponding path program 10 times [2021-07-10 01:51:43,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:51:43,837 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071606093] [2021-07-10 01:51:43,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:51:43,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:51:44,113 INFO L134 CoverageAnalysis]: Checked inductivity of 838 backedges. 557 proven. 256 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-07-10 01:51:44,113 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:51:44,113 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071606093] [2021-07-10 01:51:44,113 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071606093] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:51:44,113 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783891784] [2021-07-10 01:51:44,113 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 01:51:44,169 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 01:51:44,169 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:51:44,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-10 01:51:44,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:51:44,349 INFO L134 CoverageAnalysis]: Checked inductivity of 838 backedges. 712 proven. 83 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-07-10 01:51:44,349 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1783891784] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:51:44,349 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:51:44,349 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 18] total 23 [2021-07-10 01:51:44,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903999437] [2021-07-10 01:51:44,350 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-10 01:51:44,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:51:44,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-10 01:51:44,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=394, Unknown=0, NotChecked=0, Total=552 [2021-07-10 01:51:44,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:51:44,350 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:51:44,350 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 4.291666666666667) internal successors, (103), 23 states have internal predecessors, (103), 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 01:51:44,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:51:44,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:51:44,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:51:44,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:51:44,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 01:51:44,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-10 01:51:44,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:51:44,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:51:44,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 01:51:44,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:51:45,889 WARN L205 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 157 [2021-07-10 01:51:47,377 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 223 [2021-07-10 01:51:49,224 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 220 DAG size of output: 164 [2021-07-10 01:51:51,559 WARN L205 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 229 DAG size of output: 228 [2021-07-10 01:51:52,925 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 225 DAG size of output: 166 [2021-07-10 01:51:54,228 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 225 [2021-07-10 01:51:55,671 WARN L205 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 171 [2021-07-10 01:51:59,062 WARN L205 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2021-07-10 01:52:00,530 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 271 [2021-07-10 01:52:00,974 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 179 [2021-07-10 01:52:01,494 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 165 [2021-07-10 01:52:02,763 WARN L205 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 269 [2021-07-10 01:52:03,532 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 177 [2021-07-10 01:52:04,413 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 266 [2021-07-10 01:52:04,834 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2021-07-10 01:52:05,420 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 160 [2021-07-10 01:52:06,956 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-07-10 01:52:07,461 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2021-07-10 01:52:08,043 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 162 [2021-07-10 01:52:08,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:52:08,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:52:08,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:52:08,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:52:08,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 01:52:08,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-10 01:52:08,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:52:08,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:52:08,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-10 01:52:08,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:52:08,276 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2254 [2021-07-10 01:52:08,276 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:52:08,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:52:08,277 INFO L82 PathProgramCache]: Analyzing trace with hash -173084626, now seen corresponding path program 11 times [2021-07-10 01:52:08,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:52:08,277 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19429522] [2021-07-10 01:52:08,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:52:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:52:08,585 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 169 proven. 123 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-07-10 01:52:08,585 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:52:08,585 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19429522] [2021-07-10 01:52:08,585 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19429522] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:52:08,585 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [764071043] [2021-07-10 01:52:08,586 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 01:52:08,707 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2021-07-10 01:52:08,707 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:52:08,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 33 conjunts are in the unsatisfiable core [2021-07-10 01:52:08,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:52:09,785 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 256 proven. 225 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-07-10 01:52:09,786 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [764071043] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:52:09,786 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:52:09,786 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 33] total 55 [2021-07-10 01:52:09,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225896751] [2021-07-10 01:52:09,787 INFO L462 AbstractCegarLoop]: Interpolant automaton has 56 states [2021-07-10 01:52:09,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:52:09,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2021-07-10 01:52:09,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=461, Invalid=2619, Unknown=0, NotChecked=0, Total=3080 [2021-07-10 01:52:09,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:52:09,788 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:52:09,788 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 56 states, 56 states have (on average 2.607142857142857) internal successors, (146), 55 states have internal predecessors, (146), 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 01:52:09,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:52:09,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:52:09,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:52:09,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:52:09,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 01:52:09,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-10 01:52:09,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:52:09,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:52:09,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-10 01:52:09,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:52:09,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:52:12,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:52:12,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:52:12,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:52:12,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:52:12,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 01:52:12,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-10 01:52:12,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:52:12,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:52:12,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-07-10 01:52:12,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:52:12,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-10 01:52:12,581 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2255 [2021-07-10 01:52:12,582 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:52:12,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:52:12,582 INFO L82 PathProgramCache]: Analyzing trace with hash -1850769008, now seen corresponding path program 12 times [2021-07-10 01:52:12,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:52:12,582 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880513883] [2021-07-10 01:52:12,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:52:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:52:13,062 INFO L134 CoverageAnalysis]: Checked inductivity of 945 backedges. 188 proven. 524 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2021-07-10 01:52:13,062 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:52:13,062 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880513883] [2021-07-10 01:52:13,062 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880513883] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:52:13,062 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1455590079] [2021-07-10 01:52:13,062 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 01:52:13,172 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 24 check-sat command(s) [2021-07-10 01:52:13,172 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:52:13,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 45 conjunts are in the unsatisfiable core [2021-07-10 01:52:13,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:52:13,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,549 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:52:13,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 48 treesize of output 64 [2021-07-10 01:52:13,572 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-07-10 01:52:13,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,631 INFO L354 Elim1Store]: treesize reduction 37, result has 24.5 percent of original size [2021-07-10 01:52:13,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 48 treesize of output 27 [2021-07-10 01:52:13,632 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:52:13,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,688 INFO L354 Elim1Store]: treesize reduction 46, result has 6.1 percent of original size [2021-07-10 01:52:13,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 48 treesize of output 19 [2021-07-10 01:52:13,689 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:52:13,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,723 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-07-10 01:52:13,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 48 treesize of output 1 [2021-07-10 01:52:13,724 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:52:13,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,758 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-07-10 01:52:13,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 44 treesize of output 1 [2021-07-10 01:52:13,759 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:52:13,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,792 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-07-10 01:52:13,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 1 [2021-07-10 01:52:13,793 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:52:13,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,826 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-07-10 01:52:13,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 40 treesize of output 1 [2021-07-10 01:52:13,827 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 01:52:13,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:13,844 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-07-10 01:52:13,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 44 treesize of output 1 [2021-07-10 01:52:13,845 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 01:52:13,882 INFO L628 ElimStorePlain]: treesize reduction 39, result has 40.9 percent of original size [2021-07-10 01:52:13,883 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:52:13,883 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 1 variables, input treesize:357, output treesize:27 [2021-07-10 01:52:14,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-07-10 01:52:14,028 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:52:14,122 INFO L628 ElimStorePlain]: treesize reduction 36, result has 65.4 percent of original size [2021-07-10 01:52:14,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-10 01:52:14,128 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:52:14,186 INFO L628 ElimStorePlain]: treesize reduction 17, result has 72.1 percent of original size [2021-07-10 01:52:14,186 INFO L518 ElimStorePlain]: Eliminatee v_prenex_46 vanished before elimination [2021-07-10 01:52:14,186 INFO L518 ElimStorePlain]: Eliminatee v_prenex_45 vanished before elimination [2021-07-10 01:52:14,188 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 01:52:14,188 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:109, output treesize:62 [2021-07-10 01:52:14,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:14,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:14,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:14,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-07-10 01:52:14,546 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:52:14,966 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 92 [2021-07-10 01:52:14,966 INFO L628 ElimStorePlain]: treesize reduction 101, result has 79.9 percent of original size [2021-07-10 01:52:14,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:14,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:14,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:14,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 13 [2021-07-10 01:52:14,984 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:52:14,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:14,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:14,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:14,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 13 [2021-07-10 01:52:14,998 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:52:15,145 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 45 [2021-07-10 01:52:15,145 INFO L628 ElimStorePlain]: treesize reduction 198, result has 40.9 percent of original size [2021-07-10 01:52:15,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:15,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:15,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:52:15,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-07-10 01:52:15,156 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:52:15,179 INFO L628 ElimStorePlain]: treesize reduction 101, result has 12.2 percent of original size [2021-07-10 01:52:15,179 INFO L518 ElimStorePlain]: Eliminatee v_prenex_53 vanished before elimination [2021-07-10 01:52:15,179 INFO L518 ElimStorePlain]: Eliminatee v_prenex_52 vanished before elimination [2021-07-10 01:52:15,180 INFO L518 ElimStorePlain]: Eliminatee v_prenex_51 vanished before elimination [2021-07-10 01:52:15,180 INFO L518 ElimStorePlain]: Eliminatee v_prenex_56 vanished before elimination [2021-07-10 01:52:15,180 INFO L518 ElimStorePlain]: Eliminatee v_prenex_55 vanished before elimination [2021-07-10 01:52:15,180 INFO L518 ElimStorePlain]: Eliminatee v_prenex_49 vanished before elimination [2021-07-10 01:52:15,180 INFO L518 ElimStorePlain]: Eliminatee v_prenex_48 vanished before elimination [2021-07-10 01:52:15,180 INFO L550 ElimStorePlain]: Start of recursive call 1: 10 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 01:52:15,180 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 10 variables, input treesize:525, output treesize:14 [2021-07-10 01:52:15,294 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 5 treesize of output 3 [2021-07-10 01:52:15,295 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:52:15,364 INFO L628 ElimStorePlain]: treesize reduction 22, result has 68.6 percent of original size [2021-07-10 01:52:15,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-10 01:52:15,370 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:52:15,407 INFO L628 ElimStorePlain]: treesize reduction 17, result has 58.5 percent of original size [2021-07-10 01:52:15,407 INFO L518 ElimStorePlain]: Eliminatee v_prenex_57 vanished before elimination [2021-07-10 01:52:15,407 INFO L518 ElimStorePlain]: Eliminatee v_prenex_59 vanished before elimination [2021-07-10 01:52:15,408 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:52:15,408 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:75, output treesize:13 [2021-07-10 01:52:15,643 INFO L134 CoverageAnalysis]: Checked inductivity of 945 backedges. 255 proven. 208 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2021-07-10 01:52:15,643 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1455590079] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:52:15,643 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:52:15,643 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 19] total 48 [2021-07-10 01:52:15,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878556626] [2021-07-10 01:52:15,643 INFO L462 AbstractCegarLoop]: Interpolant automaton has 48 states [2021-07-10 01:52:15,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:52:15,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-07-10 01:52:15,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=319, Invalid=1937, Unknown=0, NotChecked=0, Total=2256 [2021-07-10 01:52:15,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:52:15,644 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:52:15,645 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 48 states, 48 states have (on average 3.0625) internal successors, (147), 48 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 01:52:15,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:52:15,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:52:15,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:52:15,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:52:15,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 01:52:15,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-10 01:52:15,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:52:15,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:52:15,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-07-10 01:52:15,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:52:15,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-10 01:52:15,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:52:18,041 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 57 [2021-07-10 01:52:18,503 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 57 [2021-07-10 01:52:18,675 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 55 [2021-07-10 01:52:18,840 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 57 [2021-07-10 01:52:19,142 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 57 [2021-07-10 01:52:19,312 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 57 [2021-07-10 01:52:19,518 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 46 [2021-07-10 01:52:19,718 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 57 [2021-07-10 01:52:19,915 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 57 [2021-07-10 01:52:20,080 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 46 [2021-07-10 01:52:20,290 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 57 [2021-07-10 01:52:20,493 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 57 [2021-07-10 01:52:20,658 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 46 [2021-07-10 01:52:20,885 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 57 [2021-07-10 01:52:21,073 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 57 [2021-07-10 01:52:21,220 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 46 [2021-07-10 01:52:21,437 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 57 [2021-07-10 01:52:21,650 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 57 [2021-07-10 01:52:21,835 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 46 [2021-07-10 01:52:22,060 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 57 [2021-07-10 01:52:22,269 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 57 [2021-07-10 01:52:22,581 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2021-07-10 01:52:22,790 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 57 [2021-07-10 01:52:23,111 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2021-07-10 01:52:23,335 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 57 [2021-07-10 01:52:23,506 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 46 [2021-07-10 01:52:23,727 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2021-07-10 01:52:23,942 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 57 [2021-07-10 01:52:24,115 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 46 [2021-07-10 01:52:24,340 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2021-07-10 01:52:24,559 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2021-07-10 01:52:24,727 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2021-07-10 01:52:24,950 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 53 [2021-07-10 01:52:25,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:52:25,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:52:25,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:52:25,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:52:25,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 01:52:25,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-10 01:52:25,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:52:25,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:52:25,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-07-10 01:52:25,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:52:25,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-10 01:52:25,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-07-10 01:52:25,841 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2256 [2021-07-10 01:52:25,841 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:52:25,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:52:25,841 INFO L82 PathProgramCache]: Analyzing trace with hash -786307026, now seen corresponding path program 13 times [2021-07-10 01:52:25,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:52:25,842 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200888596] [2021-07-10 01:52:25,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:52:25,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:52:26,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1050 backedges. 306 proven. 509 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-07-10 01:52:26,370 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:52:26,370 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200888596] [2021-07-10 01:52:26,370 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200888596] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:52:26,370 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1531747911] [2021-07-10 01:52:26,370 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 01:52:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:52:26,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 41 conjunts are in the unsatisfiable core [2021-07-10 01:52:26,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:52:27,298 INFO L134 CoverageAnalysis]: Checked inductivity of 1050 backedges. 376 proven. 578 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-07-10 01:52:27,298 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1531747911] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:52:27,298 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:52:27,298 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 25] total 56 [2021-07-10 01:52:27,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729483510] [2021-07-10 01:52:27,299 INFO L462 AbstractCegarLoop]: Interpolant automaton has 57 states [2021-07-10 01:52:27,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:52:27,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-07-10 01:52:27,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=526, Invalid=2666, Unknown=0, NotChecked=0, Total=3192 [2021-07-10 01:52:27,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:52:27,301 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:52:27,301 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 57 states, 57 states have (on average 3.491228070175439) internal successors, (199), 56 states have internal predecessors, (199), 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 01:52:27,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:52:27,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:52:27,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:52:27,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:52:27,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 01:52:27,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-10 01:52:27,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:52:27,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:52:27,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-07-10 01:52:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:52:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-10 01:52:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-07-10 01:52:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:52:31,848 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2021-07-10 01:52:32,378 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2021-07-10 01:52:32,561 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 50 [2021-07-10 01:52:32,786 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 49 [2021-07-10 01:52:32,983 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 58 [2021-07-10 01:52:33,193 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 51 [2021-07-10 01:52:34,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:52:34,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:52:34,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:52:34,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:52:34,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 01:52:34,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-10 01:52:34,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:52:34,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:52:34,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-07-10 01:52:34,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:52:34,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-10 01:52:34,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2021-07-10 01:52:34,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-07-10 01:52:35,142 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2317,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:52:35,142 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:52:35,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:52:35,143 INFO L82 PathProgramCache]: Analyzing trace with hash -99346822, now seen corresponding path program 14 times [2021-07-10 01:52:35,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:52:35,143 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158074473] [2021-07-10 01:52:35,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:52:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:52:35,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1886 backedges. 731 proven. 884 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2021-07-10 01:52:35,530 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:52:35,530 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158074473] [2021-07-10 01:52:35,530 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158074473] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:52:35,530 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066893964] [2021-07-10 01:52:35,530 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 01:52:35,604 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 01:52:35,604 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:52:35,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 53 conjunts are in the unsatisfiable core [2021-07-10 01:52:35,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:52:36,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1886 backedges. 755 proven. 886 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2021-07-10 01:52:36,544 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1066893964] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:52:36,544 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:52:36,544 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 28] total 53 [2021-07-10 01:52:36,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056905563] [2021-07-10 01:52:36,544 INFO L462 AbstractCegarLoop]: Interpolant automaton has 54 states [2021-07-10 01:52:36,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:52:36,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-07-10 01:52:36,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=549, Invalid=2313, Unknown=0, NotChecked=0, Total=2862 [2021-07-10 01:52:36,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:52:36,545 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:52:36,546 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 54 states, 54 states have (on average 4.277777777777778) internal successors, (231), 53 states have internal predecessors, (231), 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 01:52:36,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:52:36,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:52:36,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:52:36,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:52:36,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 01:52:36,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-10 01:52:36,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:52:36,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:52:36,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-07-10 01:52:36,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:52:36,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-10 01:52:36,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2021-07-10 01:52:36,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-07-10 01:52:36,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:52:39,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:52:39,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:52:39,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:52:39,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:52:39,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 01:52:39,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-10 01:52:39,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:52:39,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:52:39,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-07-10 01:52:39,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:52:39,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-10 01:52:39,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2021-07-10 01:52:39,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-07-10 01:52:39,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-10 01:52:39,777 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2318,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:52:39,777 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:52:39,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:52:39,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1296768776, now seen corresponding path program 15 times [2021-07-10 01:52:39,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:52:39,778 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617784653] [2021-07-10 01:52:39,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:52:39,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:52:40,271 INFO L134 CoverageAnalysis]: Checked inductivity of 2969 backedges. 1027 proven. 1554 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2021-07-10 01:52:40,271 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:52:40,271 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617784653] [2021-07-10 01:52:40,271 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617784653] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:52:40,271 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1845509246] [2021-07-10 01:52:40,271 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 01:52:40,327 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2021-07-10 01:52:40,327 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:52:40,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-10 01:52:40,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:52:40,631 INFO L354 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2021-07-10 01:52:40,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 28 [2021-07-10 01:52:40,634 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-10 01:52:40,673 INFO L628 ElimStorePlain]: treesize reduction 10, result has 78.3 percent of original size [2021-07-10 01:52:40,679 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-10 01:52:40,679 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2021-07-10 01:52:40,768 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:52:40,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2021-07-10 01:52:40,772 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-10 01:52:40,787 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:52:40,791 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:52:40,791 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:27, output treesize:19 [2021-07-10 01:52:40,954 INFO L134 CoverageAnalysis]: Checked inductivity of 2969 backedges. 536 proven. 7 refuted. 0 times theorem prover too weak. 2426 trivial. 0 not checked. [2021-07-10 01:52:40,954 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1845509246] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:52:40,954 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:52:40,954 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 11] total 37 [2021-07-10 01:52:40,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755274603] [2021-07-10 01:52:40,955 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-10 01:52:40,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:52:40,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-10 01:52:40,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=311, Invalid=1021, Unknown=0, NotChecked=0, Total=1332 [2021-07-10 01:52:40,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:52:40,955 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:52:40,956 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 4.594594594594595) internal successors, (170), 37 states have internal predecessors, (170), 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 01:52:40,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:52:40,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:52:40,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:52:40,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:52:40,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 01:52:40,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-10 01:52:40,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:52:40,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:52:40,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-07-10 01:52:40,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:52:40,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-10 01:52:40,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2021-07-10 01:52:40,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-07-10 01:52:40,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-07-10 01:52:40,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:52:46,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:52:46,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:52:46,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:52:46,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:52:46,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 01:52:46,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-10 01:52:46,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:52:46,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:52:46,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-10 01:52:46,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:52:46,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-10 01:52:46,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2021-07-10 01:52:46,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-07-10 01:52:46,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-10 01:52:46,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-10 01:52:46,616 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2319,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:52:46,616 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:52:46,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:52:46,617 INFO L82 PathProgramCache]: Analyzing trace with hash 325537258, now seen corresponding path program 16 times [2021-07-10 01:52:46,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:52:46,617 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918894092] [2021-07-10 01:52:46,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:52:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:52:47,285 INFO L134 CoverageAnalysis]: Checked inductivity of 3852 backedges. 1805 proven. 1800 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2021-07-10 01:52:47,286 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:52:47,286 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918894092] [2021-07-10 01:52:47,286 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918894092] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:52:47,286 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [266416759] [2021-07-10 01:52:47,286 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:52:47,402 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 01:52:47,402 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:52:47,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 69 conjunts are in the unsatisfiable core [2021-07-10 01:52:47,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:52:47,863 INFO L134 CoverageAnalysis]: Checked inductivity of 3852 backedges. 2423 proven. 1080 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2021-07-10 01:52:47,863 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [266416759] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:52:47,863 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:52:47,863 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 32] total 43 [2021-07-10 01:52:47,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929331592] [2021-07-10 01:52:47,863 INFO L462 AbstractCegarLoop]: Interpolant automaton has 44 states [2021-07-10 01:52:47,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:52:47,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-07-10 01:52:47,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=451, Invalid=1441, Unknown=0, NotChecked=0, Total=1892 [2021-07-10 01:52:47,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:52:47,865 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:52:47,865 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 44 states, 44 states have (on average 4.204545454545454) internal successors, (185), 43 states have internal predecessors, (185), 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 01:52:47,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:52:47,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:52:47,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:52:47,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:52:47,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 01:52:47,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-10 01:52:47,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:52:47,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:52:47,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-10 01:52:47,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:52:47,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-10 01:52:47,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2021-07-10 01:52:47,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-07-10 01:52:47,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-07-10 01:52:47,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-07-10 01:52:47,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:52:51,174 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2021-07-10 01:52:51,756 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 178 [2021-07-10 01:52:52,271 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2021-07-10 01:52:53,220 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 272 [2021-07-10 01:52:54,386 WARN L205 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 270 [2021-07-10 01:52:55,168 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 176 [2021-07-10 01:52:55,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:52:55,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:52:55,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:52:55,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:52:55,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:52:55,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-10 01:52:55,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:52:55,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:52:55,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-07-10 01:52:55,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:52:55,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-10 01:52:55,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-07-10 01:52:55,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-07-10 01:52:55,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-10 01:52:55,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-10 01:52:55,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:52:55,496 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2328 [2021-07-10 01:52:55,497 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:52:55,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:52:55,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1578550072, now seen corresponding path program 17 times [2021-07-10 01:52:55,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:52:55,497 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689507485] [2021-07-10 01:52:55,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:52:55,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:52:58,522 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 1372 proven. 504 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:52:58,522 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:52:58,522 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689507485] [2021-07-10 01:52:58,522 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689507485] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:52:58,522 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [669310639] [2021-07-10 01:52:58,522 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:52:59,978 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 32 check-sat command(s) [2021-07-10 01:52:59,978 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:52:59,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 57 conjunts are in the unsatisfiable core [2021-07-10 01:52:59,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:53:02,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 678 proven. 789 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2021-07-10 01:53:02,268 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [669310639] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:53:02,268 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:53:02,268 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [76, 30] total 105 [2021-07-10 01:53:02,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088474324] [2021-07-10 01:53:02,268 INFO L462 AbstractCegarLoop]: Interpolant automaton has 106 states [2021-07-10 01:53:02,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:53:02,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2021-07-10 01:53:02,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2075, Invalid=9055, Unknown=0, NotChecked=0, Total=11130 [2021-07-10 01:53:02,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:53:02,271 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:53:02,271 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 106 states, 106 states have (on average 2.7169811320754715) internal successors, (288), 105 states have internal predecessors, (288), 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 01:53:02,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:53:02,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:53:02,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:53:02,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:53:02,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:53:02,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-10 01:53:02,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:53:02,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:53:02,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2021-07-10 01:53:02,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:53:02,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-10 01:53:02,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-07-10 01:53:02,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-07-10 01:53:02,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-07-10 01:53:02,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-07-10 01:53:02,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:53:02,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:53:07,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:53:07,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:53:07,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:53:07,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:53:07,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:53:07,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-10 01:53:07,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:53:07,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:53:07,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-07-10 01:53:07,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:53:07,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-10 01:53:07,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-07-10 01:53:07,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-07-10 01:53:07,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-10 01:53:07,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-10 01:53:07,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:53:07,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2021-07-10 01:53:07,365 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2329 [2021-07-10 01:53:07,365 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:53:07,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:53:07,365 INFO L82 PathProgramCache]: Analyzing trace with hash 80602556, now seen corresponding path program 18 times [2021-07-10 01:53:07,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:53:07,366 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163487839] [2021-07-10 01:53:07,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:53:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:53:08,523 INFO L134 CoverageAnalysis]: Checked inductivity of 6289 backedges. 3504 proven. 2533 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2021-07-10 01:53:08,524 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:53:08,524 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163487839] [2021-07-10 01:53:08,524 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163487839] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:53:08,524 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [493415730] [2021-07-10 01:53:08,524 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:53:10,400 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 49 check-sat command(s) [2021-07-10 01:53:10,401 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:53:10,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 41 conjunts are in the unsatisfiable core [2021-07-10 01:53:10,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:53:12,420 WARN L205 SmtUtils]: Spent 554.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-07-10 01:53:13,868 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 329 [2021-07-10 01:53:14,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:14,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:14,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:14,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:14,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:14,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:14,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:14,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:14,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:14,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:14,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:14,345 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2021-07-10 01:53:14,346 INFO L354 Elim1Store]: treesize reduction 86, result has 60.2 percent of original size [2021-07-10 01:53:14,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 48 treesize of output 154 [2021-07-10 01:53:14,354 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:53:14,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:14,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:14,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:14,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:14,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:14,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:14,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:14,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:14,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:14,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:14,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:14,635 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2021-07-10 01:53:14,635 INFO L354 Elim1Store]: treesize reduction 86, result has 60.2 percent of original size [2021-07-10 01:53:14,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 56 treesize of output 154 [2021-07-10 01:53:14,648 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:53:14,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:14,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:14,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:14,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:14,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:14,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:14,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:14,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:14,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:14,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:14,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:14,973 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2021-07-10 01:53:14,974 INFO L354 Elim1Store]: treesize reduction 86, result has 60.2 percent of original size [2021-07-10 01:53:14,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 62 treesize of output 154 [2021-07-10 01:53:14,999 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-10 01:53:15,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:15,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:15,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:15,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:15,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:15,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:15,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:15,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:15,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:15,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:15,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:15,341 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2021-07-10 01:53:15,341 INFO L354 Elim1Store]: treesize reduction 86, result has 60.2 percent of original size [2021-07-10 01:53:15,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 60 treesize of output 154 [2021-07-10 01:53:15,384 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:53:15,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:15,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:15,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:15,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:15,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:15,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:15,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:15,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:15,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:15,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:15,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:15,848 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2021-07-10 01:53:15,848 INFO L354 Elim1Store]: treesize reduction 86, result has 60.2 percent of original size [2021-07-10 01:53:15,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 56 treesize of output 154 [2021-07-10 01:53:15,862 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:53:15,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:15,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:15,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:15,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:15,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:15,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:15,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:15,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:15,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:15,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:15,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:16,264 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2021-07-10 01:53:16,264 INFO L354 Elim1Store]: treesize reduction 86, result has 60.2 percent of original size [2021-07-10 01:53:16,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 62 treesize of output 154 [2021-07-10 01:53:16,356 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2021-07-10 01:53:16,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:16,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:16,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:16,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:16,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:16,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:16,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:16,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:16,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:16,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:16,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:16,817 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2021-07-10 01:53:16,817 INFO L354 Elim1Store]: treesize reduction 86, result has 60.2 percent of original size [2021-07-10 01:53:16,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 60 treesize of output 154 [2021-07-10 01:53:16,835 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 01:53:16,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:16,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:16,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:16,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:16,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:16,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:16,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:16,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:16,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:16,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:16,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:16,989 INFO L244 Elim1Store]: Index analysis took 111 ms [2021-07-10 01:53:17,448 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2021-07-10 01:53:17,448 INFO L354 Elim1Store]: treesize reduction 86, result has 60.2 percent of original size [2021-07-10 01:53:17,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 60 treesize of output 154 [2021-07-10 01:53:17,464 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2021-07-10 01:53:17,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:17,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:17,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:17,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:17,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:17,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:17,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:17,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:17,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:17,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:17,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:17,640 INFO L244 Elim1Store]: Index analysis took 123 ms [2021-07-10 01:53:18,129 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2021-07-10 01:53:18,129 INFO L354 Elim1Store]: treesize reduction 86, result has 60.2 percent of original size [2021-07-10 01:53:18,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 58 treesize of output 154 [2021-07-10 01:53:18,161 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2021-07-10 01:53:18,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:18,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:18,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:18,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:18,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:18,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:18,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:18,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:18,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:18,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:18,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:18,357 INFO L244 Elim1Store]: Index analysis took 140 ms [2021-07-10 01:53:18,891 WARN L205 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2021-07-10 01:53:18,892 INFO L354 Elim1Store]: treesize reduction 86, result has 60.2 percent of original size [2021-07-10 01:53:18,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 62 treesize of output 154 [2021-07-10 01:53:18,929 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2021-07-10 01:53:19,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:19,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:19,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:19,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:19,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:19,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:19,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:19,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:19,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:19,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:19,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:19,311 INFO L244 Elim1Store]: Index analysis took 139 ms [2021-07-10 01:53:19,809 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2021-07-10 01:53:19,809 INFO L354 Elim1Store]: treesize reduction 86, result has 60.2 percent of original size [2021-07-10 01:53:19,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 60 treesize of output 154 [2021-07-10 01:53:19,848 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2021-07-10 01:53:19,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:19,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:19,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:19,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:19,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:19,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:19,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:19,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:19,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:19,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:20,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:20,045 INFO L244 Elim1Store]: Index analysis took 107 ms [2021-07-10 01:53:20,598 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2021-07-10 01:53:20,599 INFO L354 Elim1Store]: treesize reduction 86, result has 60.2 percent of original size [2021-07-10 01:53:20,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 52 treesize of output 154 [2021-07-10 01:53:20,608 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-10 01:53:20,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:20,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:20,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:20,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:20,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:20,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:20,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:20,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:20,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:20,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:20,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:20,861 INFO L244 Elim1Store]: Index analysis took 155 ms [2021-07-10 01:53:21,553 WARN L205 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2021-07-10 01:53:21,554 INFO L354 Elim1Store]: treesize reduction 86, result has 60.2 percent of original size [2021-07-10 01:53:21,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 60 treesize of output 154 [2021-07-10 01:53:21,570 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-10 01:53:21,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:21,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:21,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:21,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:21,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:21,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:21,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:21,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:21,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:21,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:21,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:21,837 INFO L244 Elim1Store]: Index analysis took 205 ms [2021-07-10 01:53:22,447 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2021-07-10 01:53:22,447 INFO L354 Elim1Store]: treesize reduction 86, result has 60.2 percent of original size [2021-07-10 01:53:22,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 62 treesize of output 154 [2021-07-10 01:53:22,518 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 2 xjuncts. [2021-07-10 01:53:22,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:22,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:22,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:22,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:22,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:22,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:22,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:22,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:22,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:22,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:22,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:22,872 INFO L244 Elim1Store]: Index analysis took 157 ms [2021-07-10 01:53:24,448 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2021-07-10 01:53:24,449 INFO L354 Elim1Store]: treesize reduction 86, result has 60.2 percent of original size [2021-07-10 01:53:24,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 56 treesize of output 154 [2021-07-10 01:53:24,488 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 2 xjuncts. [2021-07-10 01:53:24,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:24,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:24,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:24,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:24,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:24,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:24,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:24,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:24,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:24,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:53:25,519 WARN L205 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2021-07-10 01:53:25,519 INFO L354 Elim1Store]: treesize reduction 86, result has 60.2 percent of original size [2021-07-10 01:53:25,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 60 treesize of output 154 [2021-07-10 01:53:25,537 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-10 01:54:09,198 WARN L205 SmtUtils]: Spent 43.66 s on a formula simplification. DAG size of input: 1105 DAG size of output: 844 [2021-07-10 01:54:09,200 INFO L628 ElimStorePlain]: treesize reduction 3719, result has 55.0 percent of original size [2021-07-10 01:54:09,525 INFO L550 ElimStorePlain]: Start of recursive call 1: 16 dim-0 vars, 1 dim-1 vars, End of recursive call: 16 dim-0 vars, and 16 xjuncts. [2021-07-10 01:54:09,525 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 17 variables, input treesize:1063, output treesize:4306 [2021-07-10 01:54:14,691 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 833 [2021-07-10 01:54:15,251 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 650 DAG size of output: 650 [2021-07-10 01:54:15,384 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 665 [2021-07-10 01:54:16,039 WARN L205 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 665 [2021-07-10 01:54:21,103 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 665 [2021-07-10 01:54:21,497 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 665 [2021-07-10 01:54:22,370 WARN L205 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 665 [2021-07-10 01:54:26,726 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 650 DAG size of output: 650 [2021-07-10 01:54:26,972 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 665 [2021-07-10 01:54:27,163 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 665 [2021-07-10 01:54:37,666 WARN L205 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 665 [2021-07-10 01:54:38,096 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 665 [2021-07-10 01:54:38,426 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2021-07-10 01:54:43,754 WARN L205 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 650 DAG size of output: 650 [2021-07-10 01:54:44,188 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 665 [2021-07-10 01:54:44,356 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 665 [2021-07-10 01:54:49,412 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 650 DAG size of output: 650 [2021-07-10 01:54:50,040 WARN L205 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 665 [2021-07-10 01:54:50,690 WARN L205 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 665 [2021-07-10 01:54:50,826 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 665 [2021-07-10 01:55:08,311 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-07-10 01:55:08,312 WARN L348 FreeRefinementEngine]: Global settings require throwing the following exception [2021-07-10 01:55:08,512 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2330,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:55:08,513 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:621) 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.getOrConstructPredicate(PredicateUnifier.java:305) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:582) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:297) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:597) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:439) 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$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:238) ... 53 more [2021-07-10 01:55:08,518 INFO L168 Benchmark]: Toolchain (without parser) took 294790.07 ms. Allocated memory was 200.3 MB in the beginning and 879.8 MB in the end (delta: 679.5 MB). Free memory was 180.7 MB in the beginning and 334.3 MB in the end (delta: -153.7 MB). Peak memory consumption was 526.2 MB. Max. memory is 8.0 GB. [2021-07-10 01:55:08,518 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 200.3 MB. Free memory is still 181.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 01:55:08,518 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.83 ms. Allocated memory is still 200.3 MB. Free memory was 180.7 MB in the beginning and 179.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 01:55:08,518 INFO L168 Benchmark]: Boogie Preprocessor took 12.21 ms. Allocated memory is still 200.3 MB. Free memory was 179.2 MB in the beginning and 178.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 01:55:08,518 INFO L168 Benchmark]: RCFGBuilder took 263.13 ms. Allocated memory is still 200.3 MB. Free memory was 178.1 MB in the beginning and 164.3 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-07-10 01:55:08,518 INFO L168 Benchmark]: TraceAbstraction took 294491.13 ms. Allocated memory was 200.3 MB in the beginning and 879.8 MB in the end (delta: 679.5 MB). Free memory was 163.7 MB in the beginning and 334.3 MB in the end (delta: -170.6 MB). Peak memory consumption was 509.4 MB. Max. memory is 8.0 GB. [2021-07-10 01:55:08,519 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 200.3 MB. Free memory is still 181.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 19.83 ms. Allocated memory is still 200.3 MB. Free memory was 180.7 MB in the beginning and 179.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.21 ms. Allocated memory is still 200.3 MB. Free memory was 179.2 MB in the beginning and 178.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 263.13 ms. Allocated memory is still 200.3 MB. Free memory was 178.1 MB in the beginning and 164.3 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 294491.13 ms. Allocated memory was 200.3 MB in the beginning and 879.8 MB in the end (delta: 679.5 MB). Free memory was 163.7 MB in the beginning and 334.3 MB in the end (delta: -170.6 MB). Peak memory consumption was 509.4 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...