/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-NewStatesSleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 06:45:47,666 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 06:45:47,668 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 06:45:47,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 06:45:47,714 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 06:45:47,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 06:45:47,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 06:45:47,719 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 06:45:47,722 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 06:45:47,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 06:45:47,730 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 06:45:47,734 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 06:45:47,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 06:45:47,737 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 06:45:47,738 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 06:45:47,739 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 06:45:47,747 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-10 06:45:47,750 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-10 06:45:47,750 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-10 06:45:47,751 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-10 06:45:47,752 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-10 06:45:47,753 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-10 06:45:47,753 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-10 06:45:47,753 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-10 06:45:47,754 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-10 06:45:47,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 06:45:47,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 06:45:47,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 06:45:47,768 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-NewStatesSleepPersistent-NoLbe.epf [2021-07-10 06:45:47,792 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 06:45:47,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 06:45:47,793 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 06:45:47,793 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 06:45:47,794 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 06:45:47,794 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 06:45:47,794 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 06:45:47,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 06:45:47,795 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 06:45:47,795 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 06:45:47,795 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 06:45:47,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 06:45:47,795 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 06:45:47,795 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 06:45:47,795 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 06:45:47,796 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 06:45:47,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 06:45:47,796 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 06:45:47,796 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 06:45:47,796 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 06:45:47,796 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 06:45:47,796 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 06:45:47,797 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 06:45:47,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 06:45:47,797 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 06:45:47,797 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 06:45:47,797 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 06:45:47,797 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 06:45:47,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 06:45:47,798 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 06:45:47,798 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 06:45:47,798 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 06:45:47,798 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-10 06:45:47,798 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 06:45:48,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 06:45:48,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 06:45:48,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 06:45:48,147 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 06:45:48,147 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 06:45:48,148 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun.wvr.bpl [2021-07-10 06:45:48,148 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun.wvr.bpl' [2021-07-10 06:45:48,169 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 06:45:48,171 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 06:45:48,174 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 06:45:48,174 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 06:45:48,174 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 06:45:48,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:45:48" (1/1) ... [2021-07-10 06:45:48,196 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:45:48" (1/1) ... [2021-07-10 06:45:48,203 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 06:45:48,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 06:45:48,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 06:45:48,206 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 06:45:48,213 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:45:48" (1/1) ... [2021-07-10 06:45:48,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:45:48" (1/1) ... [2021-07-10 06:45:48,215 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:45:48" (1/1) ... [2021-07-10 06:45:48,215 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:45:48" (1/1) ... [2021-07-10 06:45:48,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:45:48" (1/1) ... [2021-07-10 06:45:48,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:45:48" (1/1) ... [2021-07-10 06:45:48,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:45:48" (1/1) ... [2021-07-10 06:45:48,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 06:45:48,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 06:45:48,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 06:45:48,229 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 06:45:48,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:45:48" (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 06:45:48,311 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 06:45:48,311 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 06:45:48,311 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 06:45:48,311 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 06:45:48,312 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 06:45:48,312 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 06:45:48,312 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 06:45:48,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 06:45:48,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 06:45:48,314 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-10 06:45:48,314 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-10 06:45:48,314 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-10 06:45:48,315 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 06:45:48,541 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 06:45:48,542 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-10 06:45:48,544 INFO L202 PluginConnector]: Adding new model min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:45:48 BoogieIcfgContainer [2021-07-10 06:45:48,544 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 06:45:48,545 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 06:45:48,545 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 06:45:48,547 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 06:45:48,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:45:48" (1/2) ... [2021-07-10 06:45:48,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b38bdae and model type min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 06:45:48, skipping insertion in model container [2021-07-10 06:45:48,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:45:48" (2/2) ... [2021-07-10 06:45:48,550 INFO L111 eAbstractionObserver]: Analyzing ICFG min-fun.wvr.bpl [2021-07-10 06:45:48,554 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 06:45:48,554 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 06:45:48,554 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 06:45:48,555 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 06:45:48,598 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-10 06:45:48,616 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 06:45:48,711 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 06:45:48,712 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 06:45:48,712 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 06:45:48,712 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 06:45:48,712 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 06:45:48,720 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 06:45:48,721 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 06:45:48,721 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 06:45:48,790 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:45:48,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:45:48,795 INFO L82 PathProgramCache]: Analyzing trace with hash 107147796, now seen corresponding path program 1 times [2021-07-10 06:45:48,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:45:48,803 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923930005] [2021-07-10 06:45:48,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:45:48,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:45:48,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:45:48,975 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:45:48,975 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923930005] [2021-07-10 06:45:48,976 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923930005] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 06:45:48,976 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 06:45:48,976 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 06:45:48,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896794857] [2021-07-10 06:45:48,980 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 06:45:48,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:45:48,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 06:45:48,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 06:45:48,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:45:48,993 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:45:48,995 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:45:48,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:45:49,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:45:49,032 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 06:45:49,032 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:45:49,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:45:49,035 INFO L82 PathProgramCache]: Analyzing trace with hash 597095090, now seen corresponding path program 1 times [2021-07-10 06:45:49,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:45:49,037 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839267058] [2021-07-10 06:45:49,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:45:49,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:45:49,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 06:45:49,105 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:45:49,105 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839267058] [2021-07-10 06:45:49,106 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839267058] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 06:45:49,106 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 06:45:49,106 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-10 06:45:49,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771359613] [2021-07-10 06:45:49,108 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 06:45:49,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:45:49,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 06:45:49,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 06:45:49,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:45:49,112 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:45:49,113 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 06:45:49,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:45:49,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:45:49,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:45:49,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:45:49,173 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 06:45:49,173 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:45:49,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:45:49,173 INFO L82 PathProgramCache]: Analyzing trace with hash -1592437936, now seen corresponding path program 1 times [2021-07-10 06:45:49,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:45:49,174 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361167162] [2021-07-10 06:45:49,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:45:49,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:45:49,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:45:49,608 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:45:49,608 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361167162] [2021-07-10 06:45:49,608 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361167162] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:45:49,608 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375453867] [2021-07-10 06:45:49,608 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 06:45:49,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:45:49,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-10 06:45:49,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:45:50,089 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 06:45:50,090 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:50,098 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 16 treesize of output 10 [2021-07-10 06:45:50,101 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:50,106 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 16 treesize of output 10 [2021-07-10 06:45:50,113 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:50,117 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 06:45:50,119 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:50,125 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 23 treesize of output 15 [2021-07-10 06:45:50,126 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:50,133 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 23 treesize of output 15 [2021-07-10 06:45:50,135 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:50,139 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 18 treesize of output 12 [2021-07-10 06:45:50,147 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:50,150 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 06:45:50,152 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:50,194 INFO L628 ElimStorePlain]: treesize reduction 24, result has 61.9 percent of original size [2021-07-10 06:45:50,199 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 06:45:50,200 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 2 variables, input treesize:239, output treesize:23 [2021-07-10 06:45:50,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:45:50,259 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375453867] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:45:50,259 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:45:50,259 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-07-10 06:45:50,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289422060] [2021-07-10 06:45:50,260 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-10 06:45:50,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:45:50,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-10 06:45:50,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-07-10 06:45:50,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:45:50,262 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:45:50,262 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 11 states have internal predecessors, (38), 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 06:45:50,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:45:50,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:45:50,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:45:50,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:45:50,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:45:50,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:45:50,677 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:45:50,677 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:45:50,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:45:50,678 INFO L82 PathProgramCache]: Analyzing trace with hash 217830638, now seen corresponding path program 2 times [2021-07-10 06:45:50,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:45:50,678 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779851395] [2021-07-10 06:45:50,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:45:50,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:45:50,727 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:45:50,728 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:45:50,728 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779851395] [2021-07-10 06:45:50,728 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779851395] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:45:50,728 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721442804] [2021-07-10 06:45:50,729 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 06:45:50,781 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 06:45:50,781 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:45:50,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-10 06:45:50,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:45:50,909 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:45:50,909 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721442804] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:45:50,910 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:45:50,910 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-07-10 06:45:50,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014997089] [2021-07-10 06:45:50,911 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-10 06:45:50,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:45:50,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-10 06:45:50,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-07-10 06:45:50,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:45:50,914 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:45:50,914 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 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 06:45:50,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:45:50,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:45:50,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:45:50,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:45:51,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:45:51,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:45:51,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:45:51,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:45:51,336 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-07-10 06:45:51,337 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:45:51,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:45:51,338 INFO L82 PathProgramCache]: Analyzing trace with hash -537545550, now seen corresponding path program 1 times [2021-07-10 06:45:51,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:45:51,338 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649772823] [2021-07-10 06:45:51,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:45:51,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:45:51,393 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 06:45:51,394 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:45:51,394 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649772823] [2021-07-10 06:45:51,394 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649772823] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:45:51,394 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668182696] [2021-07-10 06:45:51,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 06:45:51,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:45:51,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-10 06:45:51,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:45:51,525 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 06:45:51,525 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [668182696] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:45:51,525 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:45:51,525 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-07-10 06:45:51,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741494575] [2021-07-10 06:45:51,526 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-10 06:45:51,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:45:51,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-10 06:45:51,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-07-10 06:45:51,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:45:51,527 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:45:51,527 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 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 06:45:51,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:45:51,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:45:51,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:45:51,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:45:51,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:45:51,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:45:51,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:45:51,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:45:51,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:45:51,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:45:51,851 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:45:51,852 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:45:51,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:45:51,852 INFO L82 PathProgramCache]: Analyzing trace with hash -246413360, now seen corresponding path program 2 times [2021-07-10 06:45:51,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:45:51,853 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894932466] [2021-07-10 06:45:51,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:45:51,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:45:52,547 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 58 [2021-07-10 06:45:52,889 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 66 [2021-07-10 06:45:53,151 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 61 [2021-07-10 06:45:53,341 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 52 [2021-07-10 06:45:53,548 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 50 [2021-07-10 06:45:53,709 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:45:53,709 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:45:53,709 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894932466] [2021-07-10 06:45:53,709 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894932466] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:45:53,709 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389893956] [2021-07-10 06:45:53,709 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 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 06:45:53,775 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 06:45:53,776 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:45:53,776 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 41 conjunts are in the unsatisfiable core [2021-07-10 06:45:53,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:45:55,399 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-07-10 06:45:56,928 INFO L446 ElimStorePlain]: Different costs {7=[A, v_prenex_43, v_prenex_41, v_prenex_25, v_prenex_35, v_prenex_45, v_prenex_29, v_prenex_18, v_prenex_39, v_prenex_16, v_prenex_27], 10=[v_prenex_31, v_prenex_20, v_prenex_23, v_prenex_33, v_prenex_37]} [2021-07-10 06:45:56,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:56,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:57,069 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-07-10 06:45:57,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 57 [2021-07-10 06:45:57,084 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:57,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:57,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:57,168 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-07-10 06:45:57,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 34 [2021-07-10 06:45:57,173 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:00,843 WARN L205 SmtUtils]: Spent 3.67 s on a formula simplification. DAG size of input: 372 DAG size of output: 371 [2021-07-10 06:46:00,845 INFO L628 ElimStorePlain]: treesize reduction 5, result has 99.8 percent of original size [2021-07-10 06:46:00,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:00,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:00,982 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-07-10 06:46:00,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 57 [2021-07-10 06:46:00,994 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:01,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:01,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:01,073 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-07-10 06:46:01,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 36 [2021-07-10 06:46:01,077 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:02,878 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 364 [2021-07-10 06:46:02,879 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:02,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:02,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:02,965 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:02,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 69 [2021-07-10 06:46:02,979 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:03,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:03,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:03,066 INFO L354 Elim1Store]: treesize reduction 4, result has 91.1 percent of original size [2021-07-10 06:46:03,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 62 [2021-07-10 06:46:03,106 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:04,794 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 353 [2021-07-10 06:46:04,795 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:04,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:04,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:04,880 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-07-10 06:46:04,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 45 treesize of output 39 [2021-07-10 06:46:04,882 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:04,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:04,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:04,977 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-07-10 06:46:04,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 42 [2021-07-10 06:46:04,983 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:06,591 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification that was a NOOP. DAG size: 341 [2021-07-10 06:46:06,592 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:06,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:06,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:06,687 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-07-10 06:46:06,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 47 treesize of output 53 [2021-07-10 06:46:06,698 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:06,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:06,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:06,768 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-07-10 06:46:06,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 40 [2021-07-10 06:46:06,781 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:08,352 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification that was a NOOP. DAG size: 332 [2021-07-10 06:46:08,352 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:08,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:08,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:08,433 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-07-10 06:46:08,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 48 [2021-07-10 06:46:08,449 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:08,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:08,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:08,537 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-07-10 06:46:08,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 57 [2021-07-10 06:46:08,547 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:10,071 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 324 [2021-07-10 06:46:10,071 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:10,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:10,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:10,168 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-07-10 06:46:10,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 57 [2021-07-10 06:46:10,182 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:10,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:10,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:10,258 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-07-10 06:46:10,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 36 [2021-07-10 06:46:10,261 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:11,827 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification that was a NOOP. DAG size: 311 [2021-07-10 06:46:11,827 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:11,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:11,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:11,916 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-07-10 06:46:11,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 54 [2021-07-10 06:46:11,937 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:11,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:11,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:12,024 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-07-10 06:46:12,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 47 treesize of output 53 [2021-07-10 06:46:12,033 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:13,440 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 300 [2021-07-10 06:46:13,440 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:13,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:13,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:13,513 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-07-10 06:46:13,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 38 [2021-07-10 06:46:13,515 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:13,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:13,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:13,585 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-07-10 06:46:13,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 45 [2021-07-10 06:46:13,587 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:14,912 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 289 [2021-07-10 06:46:14,912 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:14,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:14,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:14,986 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-07-10 06:46:14,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 48 [2021-07-10 06:46:15,004 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:15,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:15,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:15,074 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:15,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 69 [2021-07-10 06:46:15,094 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:17,649 WARN L205 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 281 DAG size of output: 275 [2021-07-10 06:46:17,650 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.2 percent of original size [2021-07-10 06:46:17,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:17,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:17,741 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-07-10 06:46:17,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 36 [2021-07-10 06:46:17,757 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:17,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:17,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:17,821 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-07-10 06:46:17,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 45 [2021-07-10 06:46:17,832 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:19,004 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 263 [2021-07-10 06:46:19,005 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:19,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:19,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:19,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:19,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:19,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:19,078 INFO L354 Elim1Store]: treesize reduction 16, result has 68.6 percent of original size [2021-07-10 06:46:19,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 39 treesize of output 53 [2021-07-10 06:46:19,099 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:19,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:19,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:19,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:19,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:19,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:19,181 INFO L354 Elim1Store]: treesize reduction 18, result has 64.7 percent of original size [2021-07-10 06:46:19,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 54 [2021-07-10 06:46:19,188 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:20,341 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 255 [2021-07-10 06:46:20,342 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:20,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:20,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:20,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:20,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:20,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:20,404 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:20,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 32 treesize of output 66 [2021-07-10 06:46:20,430 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:20,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:20,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:20,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:20,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:20,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:20,494 INFO L354 Elim1Store]: treesize reduction 34, result has 33.3 percent of original size [2021-07-10 06:46:20,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 37 treesize of output 35 [2021-07-10 06:46:20,497 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:21,606 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 241 [2021-07-10 06:46:21,606 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:21,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:21,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:21,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:21,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:21,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:21,663 INFO L354 Elim1Store]: treesize reduction 32, result has 37.3 percent of original size [2021-07-10 06:46:21,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 40 [2021-07-10 06:46:21,665 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:21,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:21,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:21,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:21,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:21,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:21,713 INFO L354 Elim1Store]: treesize reduction 28, result has 45.1 percent of original size [2021-07-10 06:46:21,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 39 treesize of output 41 [2021-07-10 06:46:21,726 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:22,789 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 233 [2021-07-10 06:46:22,790 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:22,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:22,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:22,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:22,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:22,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:22,846 INFO L354 Elim1Store]: treesize reduction 28, result has 45.1 percent of original size [2021-07-10 06:46:22,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 43 treesize of output 41 [2021-07-10 06:46:22,853 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:22,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:22,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:22,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:22,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:22,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:22,906 INFO L354 Elim1Store]: treesize reduction 18, result has 64.7 percent of original size [2021-07-10 06:46:22,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 54 [2021-07-10 06:46:22,921 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:23,927 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 221 [2021-07-10 06:46:23,927 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:23,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:23,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:23,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:23,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:23,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:23,989 INFO L354 Elim1Store]: treesize reduction 18, result has 64.7 percent of original size [2021-07-10 06:46:23,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 54 [2021-07-10 06:46:23,996 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:24,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:24,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:24,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:24,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:24,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:24,038 INFO L354 Elim1Store]: treesize reduction 28, result has 45.1 percent of original size [2021-07-10 06:46:24,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 43 treesize of output 41 [2021-07-10 06:46:24,045 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:24,996 WARN L205 SmtUtils]: Spent 950.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-07-10 06:46:24,997 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:25,309 INFO L550 ElimStorePlain]: Start of recursive call 1: 17 dim-0 vars, 16 dim-1 vars, End of recursive call: and 32 xjuncts. [2021-07-10 06:46:25,310 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 33 variables, input treesize:2333, output treesize:2349 [2021-07-10 06:46:26,155 WARN L205 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 77 [2021-07-10 06:46:26,325 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:46:26,326 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [389893956] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:46:26,326 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:46:26,326 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-07-10 06:46:26,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430733349] [2021-07-10 06:46:26,326 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-10 06:46:26,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:46:26,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-10 06:46:26,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=506, Unknown=0, NotChecked=0, Total=600 [2021-07-10 06:46:26,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:46:26,327 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:46:26,327 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.24) internal successors, (56), 25 states have internal predecessors, (56), 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 06:46:26,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:46:26,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:46:26,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:46:26,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:46:26,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:46:26,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:46:26,501 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 35 [2021-07-10 06:46:26,746 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 53 [2021-07-10 06:46:26,988 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 68 [2021-07-10 06:46:27,268 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 67 [2021-07-10 06:46:27,709 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 103 [2021-07-10 06:46:27,930 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 71 [2021-07-10 06:46:28,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:46:28,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:46:28,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:46:28,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:46:28,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:46:28,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 06:46:28,201 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-10 06:46:28,201 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:46:28,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:46:28,202 INFO L82 PathProgramCache]: Analyzing trace with hash 358746990, now seen corresponding path program 3 times [2021-07-10 06:46:28,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:46:28,202 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596062375] [2021-07-10 06:46:28,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:46:28,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:46:28,296 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:46:28,297 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:46:28,297 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596062375] [2021-07-10 06:46:28,297 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596062375] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:46:28,297 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127159593] [2021-07-10 06:46:28,297 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 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 06:46:28,341 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-10 06:46:28,341 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:46:28,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 06:46:28,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:46:28,503 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:46:28,503 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [127159593] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:46:28,503 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:46:28,504 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-07-10 06:46:28,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542901707] [2021-07-10 06:46:28,504 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-10 06:46:28,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:46:28,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-10 06:46:28,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-07-10 06:46:28,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:46:28,505 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:46:28,505 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 20 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:46:28,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:46:28,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:46:28,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:46:28,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:46:28,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:46:28,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 06:46:28,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:46:28,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:46:28,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:46:28,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:46:28,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:46:28,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:46:28,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 06:46:28,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:46:29,146 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable278 [2021-07-10 06:46:29,146 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:46:29,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:46:29,147 INFO L82 PathProgramCache]: Analyzing trace with hash 1163701042, now seen corresponding path program 4 times [2021-07-10 06:46:29,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:46:29,147 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825113541] [2021-07-10 06:46:29,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:46:29,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:46:29,233 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 06:46:29,233 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:46:29,233 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825113541] [2021-07-10 06:46:29,233 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825113541] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:46:29,233 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1054893646] [2021-07-10 06:46:29,233 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 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 06:46:29,268 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 06:46:29,268 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:46:29,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 06:46:29,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:46:29,389 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 06:46:29,389 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1054893646] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:46:29,389 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:46:29,389 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-07-10 06:46:29,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885777127] [2021-07-10 06:46:29,390 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-10 06:46:29,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:46:29,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-10 06:46:29,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-07-10 06:46:29,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:46:29,390 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:46:29,390 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.9411764705882355) internal successors, (50), 17 states have internal predecessors, (50), 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 06:46:29,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:46:29,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:46:29,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:46:29,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:46:29,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:46:29,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 06:46:29,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:46:29,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:46:29,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:46:29,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:46:29,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:46:29,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:46:29,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:46:29,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 06:46:29,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:46:29,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:46:29,757 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable279 [2021-07-10 06:46:29,758 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:46:29,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:46:29,758 INFO L82 PathProgramCache]: Analyzing trace with hash -323420080, now seen corresponding path program 5 times [2021-07-10 06:46:29,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:46:29,758 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881338021] [2021-07-10 06:46:29,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:46:29,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:46:31,019 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 112 [2021-07-10 06:46:31,269 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 49 [2021-07-10 06:46:31,487 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 150 [2021-07-10 06:46:31,841 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 69 [2021-07-10 06:46:32,261 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 213 [2021-07-10 06:46:33,240 WARN L205 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 100 [2021-07-10 06:46:33,723 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 221 [2021-07-10 06:46:34,716 WARN L205 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 131 [2021-07-10 06:46:35,044 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 215 [2021-07-10 06:46:36,018 WARN L205 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 126 [2021-07-10 06:46:36,334 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 196 [2021-07-10 06:46:37,430 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 196 DAG size of output: 129 [2021-07-10 06:46:37,564 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 163 [2021-07-10 06:46:38,013 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 76 [2021-07-10 06:46:38,286 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 40 [2021-07-10 06:46:38,544 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 38 [2021-07-10 06:46:38,725 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:46:38,726 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:46:38,726 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881338021] [2021-07-10 06:46:38,726 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881338021] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:46:38,726 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [614916473] [2021-07-10 06:46:38,726 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 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 06:46:38,773 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-10 06:46:38,773 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:46:38,774 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-10 06:46:38,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:46:40,737 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 122 [2021-07-10 06:46:42,338 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 322 [2021-07-10 06:46:45,933 WARN L205 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 360 DAG size of output: 326 [2021-07-10 06:46:49,523 WARN L205 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 366 DAG size of output: 330 [2021-07-10 06:46:53,369 WARN L205 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 372 DAG size of output: 334 [2021-07-10 06:46:54,997 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 333 [2021-07-10 06:46:57,394 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 329 DAG size of output: 323 [2021-07-10 06:46:58,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:58,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:58,617 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:58,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:58,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:58,628 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:58,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 22 [2021-07-10 06:46:58,651 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:58,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:58,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:58,698 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:58,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:58,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:58,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 22 [2021-07-10 06:46:58,702 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:05,855 WARN L205 SmtUtils]: Spent 7.15 s on a formula simplification. DAG size of input: 761 DAG size of output: 696 [2021-07-10 06:47:05,857 INFO L628 ElimStorePlain]: treesize reduction 1144, result has 69.2 percent of original size [2021-07-10 06:47:05,884 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:05,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:05,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:05,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:05,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:05,889 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:05,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-10 06:47:05,907 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:05,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:05,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:05,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:05,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:05,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-07-10 06:47:05,945 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:08,588 WARN L205 SmtUtils]: Spent 2.64 s on a formula simplification that was a NOOP. DAG size: 682 [2021-07-10 06:47:08,589 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:08,616 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:08,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:08,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:08,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:08,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:08,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-10 06:47:08,625 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:11,565 WARN L205 SmtUtils]: Spent 2.94 s on a formula simplification that was a NOOP. DAG size: 670 [2021-07-10 06:47:11,565 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:11,600 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:11,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:11,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:11,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:11,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:11,607 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:11,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-07-10 06:47:11,633 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:11,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:11,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:11,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:11,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:11,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-07-10 06:47:11,671 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:14,558 WARN L205 SmtUtils]: Spent 2.89 s on a formula simplification that was a NOOP. DAG size: 656 [2021-07-10 06:47:14,558 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:14,597 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:14,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:14,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:14,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:14,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:14,607 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:14,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-07-10 06:47:14,633 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:14,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:14,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:14,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:14,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:14,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-07-10 06:47:14,669 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:17,428 WARN L205 SmtUtils]: Spent 2.76 s on a formula simplification that was a NOOP. DAG size: 641 [2021-07-10 06:47:17,428 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:17,454 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:17,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:17,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:17,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:17,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:17,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-10 06:47:17,462 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:20,146 WARN L205 SmtUtils]: Spent 2.68 s on a formula simplification that was a NOOP. DAG size: 627 [2021-07-10 06:47:20,147 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:20,172 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:20,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:20,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:20,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:20,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:20,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-10 06:47:20,179 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:22,715 WARN L205 SmtUtils]: Spent 2.54 s on a formula simplification that was a NOOP. DAG size: 612 [2021-07-10 06:47:22,716 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:22,741 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:22,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:22,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:22,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:22,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:22,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-10 06:47:22,753 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:25,297 WARN L205 SmtUtils]: Spent 2.54 s on a formula simplification that was a NOOP. DAG size: 599 [2021-07-10 06:47:25,298 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:25,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:25,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:25,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:25,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:25,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-10 06:47:25,353 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:25,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:25,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:25,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:25,381 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:25,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:25,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-10 06:47:25,385 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:27,720 WARN L205 SmtUtils]: Spent 2.33 s on a formula simplification that was a NOOP. DAG size: 582 [2021-07-10 06:47:27,721 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:27,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:27,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:27,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:27,751 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:27,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:27,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-10 06:47:27,755 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:29,861 WARN L205 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 568 [2021-07-10 06:47:29,862 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:29,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:29,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:29,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:29,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:29,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-10 06:47:29,911 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:29,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:29,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:29,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:29,938 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:29,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:29,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-10 06:47:29,942 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:31,931 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification that was a NOOP. DAG size: 553 [2021-07-10 06:47:31,932 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:31,954 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:31,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:31,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:31,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:31,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:31,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-10 06:47:31,962 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:33,914 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 538 [2021-07-10 06:47:33,915 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:33,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:33,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:33,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:33,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:33,941 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:33,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-07-10 06:47:33,944 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:35,821 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 523 [2021-07-10 06:47:35,822 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:35,844 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:35,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:35,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:35,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:35,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:35,850 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:35,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-07-10 06:47:35,867 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:35,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:35,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:35,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:35,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:35,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-07-10 06:47:35,896 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:37,665 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 506 [2021-07-10 06:47:37,666 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:37,689 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:37,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:37,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:37,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:37,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:37,694 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:37,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2021-07-10 06:47:37,711 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:37,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:37,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:37,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:37,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:37,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-07-10 06:47:37,741 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:39,422 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 489 [2021-07-10 06:47:39,424 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:39,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:39,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:39,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:39,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:39,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:39,456 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:39,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:39,472 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:39,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-07-10 06:47:39,478 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:39,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:39,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:39,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:39,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:39,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 22 [2021-07-10 06:47:39,510 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:41,108 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 472 [2021-07-10 06:47:41,108 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:41,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:41,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:41,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:41,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:41,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-10 06:47:41,151 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:41,172 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:41,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:41,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:41,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:41,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:41,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-10 06:47:41,179 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:42,649 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 455 [2021-07-10 06:47:42,650 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:42,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:42,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:42,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:42,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:42,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-07-10 06:47:42,697 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:42,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:42,719 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:42,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:42,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:42,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:42,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-07-10 06:47:42,735 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:44,147 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 438 [2021-07-10 06:47:44,148 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:44,168 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:44,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:44,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:44,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:44,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:44,173 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:44,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-10 06:47:44,191 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:44,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:44,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:44,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:44,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:44,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-10 06:47:44,229 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:45,533 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 421 [2021-07-10 06:47:45,534 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:45,534 INFO L518 ElimStorePlain]: Eliminatee v_prenex_132 vanished before elimination [2021-07-10 06:47:45,552 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:45,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:45,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:45,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:45,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:45,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-10 06:47:45,559 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:46,812 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 406 [2021-07-10 06:47:46,813 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:46,831 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:46,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:46,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:46,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:46,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:46,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-07-10 06:47:46,837 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:48,055 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 391 [2021-07-10 06:47:48,055 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:48,073 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:48,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:48,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:48,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:48,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:48,078 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:48,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-10 06:47:48,092 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:48,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:48,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:48,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:48,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:48,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-10 06:47:48,117 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:49,259 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 374 [2021-07-10 06:47:49,260 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:49,278 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:49,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:49,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:49,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:49,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:49,283 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:49,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-10 06:47:49,298 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:49,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:49,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:49,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:49,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:49,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-10 06:47:49,322 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:50,365 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 357 [2021-07-10 06:47:50,366 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:50,383 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:50,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:50,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:50,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:50,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:50,387 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:50,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-10 06:47:50,401 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:50,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:50,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:50,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:50,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:50,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-10 06:47:50,430 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:51,438 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 340 [2021-07-10 06:47:51,439 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:51,455 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:51,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:51,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:51,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:51,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:51,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-10 06:47:51,461 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:52,413 WARN L205 SmtUtils]: Spent 951.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2021-07-10 06:47:52,413 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:52,430 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:52,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:52,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:52,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:52,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:52,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-10 06:47:52,454 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:53,366 WARN L205 SmtUtils]: Spent 911.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2021-07-10 06:47:53,367 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:53,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:53,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:53,385 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:53,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:53,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:53,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:53,394 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:53,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-10 06:47:53,402 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:53,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:53,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:53,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:53,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:53,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-10 06:47:53,425 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:54,237 WARN L205 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2021-07-10 06:47:54,237 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:54,265 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:54,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:54,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:54,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:54,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:54,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-10 06:47:54,272 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:55,072 WARN L205 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 280 [2021-07-10 06:47:55,072 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:55,087 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:55,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:55,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:55,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:55,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:55,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-07-10 06:47:55,092 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:55,856 WARN L205 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-07-10 06:47:55,857 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:55,871 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:55,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:55,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:55,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:55,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:55,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-10 06:47:55,876 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:56,608 WARN L205 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2021-07-10 06:47:56,608 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:56,621 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:56,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:56,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:56,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:56,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:56,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-10 06:47:56,627 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:57,321 WARN L205 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2021-07-10 06:47:57,322 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:57,349 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 32 dim-1 vars, End of recursive call: and 22 xjuncts. [2021-07-10 06:47:57,349 INFO L247 ElimStorePlain]: Needed 48 recursive calls to eliminate 96 variables, input treesize:3798, output treesize:266 [2021-07-10 06:47:57,527 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:47:57,528 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [614916473] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:47:57,528 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:47:57,528 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 30 [2021-07-10 06:47:57,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633674240] [2021-07-10 06:47:57,531 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-10 06:47:57,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:47:57,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-10 06:47:57,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=749, Unknown=0, NotChecked=0, Total=870 [2021-07-10 06:47:57,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:47:57,532 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:47:57,533 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.4) internal successors, (72), 30 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:47:57,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:47:57,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:47:57,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:47:57,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:47:57,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:47:57,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 06:47:57,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:47:57,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:47:57,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:47:58,025 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2021-07-10 06:47:58,413 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 59 [2021-07-10 06:47:58,709 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 64 [2021-07-10 06:47:59,123 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 77 [2021-07-10 06:48:00,200 WARN L205 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 74 [2021-07-10 06:48:01,520 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 429 DAG size of output: 87 [2021-07-10 06:48:05,318 WARN L205 SmtUtils]: Spent 3.64 s on a formula simplification. DAG size of input: 391 DAG size of output: 161 [2021-07-10 06:48:10,542 WARN L205 SmtUtils]: Spent 5.11 s on a formula simplification. DAG size of input: 194 DAG size of output: 138 [2021-07-10 06:48:10,893 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 70 [2021-07-10 06:48:11,297 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2021-07-10 06:48:11,786 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 125 [2021-07-10 06:48:11,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:48:11,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:48:11,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:48:11,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:48:11,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:48:11,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 06:48:11,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:48:11,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:48:11,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 06:48:12,032 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable280 [2021-07-10 06:48:12,033 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:48:12,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:48:12,033 INFO L82 PathProgramCache]: Analyzing trace with hash 931633578, now seen corresponding path program 6 times [2021-07-10 06:48:12,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:48:12,033 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342924007] [2021-07-10 06:48:12,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:48:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:48:12,172 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:48:12,172 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:48:12,173 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342924007] [2021-07-10 06:48:12,173 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342924007] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:48:12,173 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1761589087] [2021-07-10 06:48:12,173 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 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 06:48:12,226 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-10 06:48:12,226 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:48:12,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-10 06:48:12,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:48:12,496 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:48:12,497 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1761589087] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:48:12,497 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:48:12,497 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-07-10 06:48:12,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937412794] [2021-07-10 06:48:12,498 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-10 06:48:12,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:48:12,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-10 06:48:12,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-07-10 06:48:12,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:48:12,500 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:48:12,500 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.3793103448275863) internal successors, (69), 29 states have internal predecessors, (69), 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 06:48:12,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:48:12,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:48:12,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:48:12,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:48:12,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:48:12,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 06:48:12,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:48:12,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:48:12,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 06:48:12,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:48:12,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:48:12,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:48:12,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:48:12,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:48:12,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:48:12,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 06:48:12,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:48:12,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:48:12,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 06:48:12,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:48:13,008 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable435,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:48:13,009 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:48:13,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:48:13,009 INFO L82 PathProgramCache]: Analyzing trace with hash -607915832, now seen corresponding path program 7 times [2021-07-10 06:48:13,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:48:13,009 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204764539] [2021-07-10 06:48:13,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:48:13,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:48:16,922 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 117 [2021-07-10 06:48:17,126 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 42 [2021-07-10 06:48:59,441 WARN L205 SmtUtils]: Spent 42.31 s on a formula simplification. DAG size of input: 294 DAG size of output: 228 [2021-07-10 06:49:01,429 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 228 DAG size of output: 227 [2021-07-10 06:49:02,038 WARN L205 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 75 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown