/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/max-array-hom.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 06:42:57,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 06:42:57,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 06:42:57,726 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 06:42:58,194 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 06:42:58,214 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 06:42:58,214 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 06:42:58,215 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 06:42:58,215 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 06:42:58,217 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 06:42:58,217 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 06:42:58,217 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 06:42:58,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 06:42:58,218 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 06:42:58,218 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 06:42:58,218 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 06:42:58,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 06:42:58,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 06:42:58,219 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 06:42:58,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 06:42:58,219 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 06:42:58,219 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 06:42:58,219 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 06:42:58,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 06:42:58,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 06:42:58,220 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 06:42:58,220 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 06:42:58,220 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 06:42:58,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 06:42:58,220 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 06:42:58,221 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 06:42:58,221 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 06:42:58,221 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 06:42:58,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 06:42:58,221 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 06:42:58,222 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 06:42:58,222 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 06:42:58,222 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-10 06:42:58,222 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 06:42:58,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 06:42:58,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 06:42:58,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 06:42:58,580 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 06:42:58,581 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 06:42:58,582 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array-hom.wvr.bpl [2021-07-10 06:42:58,582 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array-hom.wvr.bpl' [2021-07-10 06:42:58,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 06:42:58,608 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 06:42:58,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 06:42:58,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 06:42:58,609 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 06:42:58,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:42:58" (1/1) ... [2021-07-10 06:42:58,627 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:42:58" (1/1) ... [2021-07-10 06:42:58,636 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 06:42:58,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 06:42:58,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 06:42:58,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 06:42:58,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:42:58" (1/1) ... [2021-07-10 06:42:58,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:42:58" (1/1) ... [2021-07-10 06:42:58,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:42:58" (1/1) ... [2021-07-10 06:42:58,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:42:58" (1/1) ... [2021-07-10 06:42:58,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:42:58" (1/1) ... [2021-07-10 06:42:58,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:42:58" (1/1) ... [2021-07-10 06:42:58,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:42:58" (1/1) ... [2021-07-10 06:42:58,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 06:42:58,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 06:42:58,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 06:42:58,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 06:42:58,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:42:58" (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 06:42:58,738 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 06:42:58,738 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 06:42:58,739 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 06:42:58,739 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 06:42:58,739 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 06:42:58,739 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 06:42:58,739 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 06:42:58,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 06:42:58,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 06:42:58,739 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-10 06:42:58,739 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-10 06:42:58,740 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-10 06:42:58,740 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 06:42:58,916 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 06:42:58,917 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-10 06:42:58,918 INFO L202 PluginConnector]: Adding new model max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:42:58 BoogieIcfgContainer [2021-07-10 06:42:58,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 06:42:58,920 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 06:42:58,920 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 06:42:58,922 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 06:42:58,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:42:58" (1/2) ... [2021-07-10 06:42:58,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b38bdae and model type max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 06:42:58, skipping insertion in model container [2021-07-10 06:42:58,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:42:58" (2/2) ... [2021-07-10 06:42:58,925 INFO L111 eAbstractionObserver]: Analyzing ICFG max-array-hom.wvr.bpl [2021-07-10 06:42:58,929 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 06:42:58,930 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 06:42:58,930 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 06:42:58,930 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 06:42:58,992 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-10 06:42:59,024 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 06:42:59,081 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 06:42:59,082 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 06:42:59,082 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 06:42:59,083 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 06:42:59,083 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 06:42:59,083 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 06:42:59,083 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 06:42:59,083 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 06:42:59,194 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:42:59,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:42:59,201 INFO L82 PathProgramCache]: Analyzing trace with hash 107147796, now seen corresponding path program 1 times [2021-07-10 06:42:59,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:42:59,209 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923930005] [2021-07-10 06:42:59,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:42:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:42:59,430 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 06:42:59,430 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:42:59,431 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923930005] [2021-07-10 06:42:59,432 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923930005] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 06:42:59,432 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 06:42:59,432 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 06:42:59,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896794857] [2021-07-10 06:42:59,436 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 06:42:59,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:42:59,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 06:42:59,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 06:42:59,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:42:59,457 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:42:59,459 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 06:42:59,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:42:59,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:42:59,497 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 06:42:59,497 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:42:59,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:42:59,501 INFO L82 PathProgramCache]: Analyzing trace with hash 597095090, now seen corresponding path program 1 times [2021-07-10 06:42:59,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:42:59,502 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839267058] [2021-07-10 06:42:59,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:42:59,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:42:59,579 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 06:42:59,579 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:42:59,579 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839267058] [2021-07-10 06:42:59,579 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839267058] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 06:42:59,579 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 06:42:59,580 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-10 06:42:59,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771359613] [2021-07-10 06:42:59,582 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 06:42:59,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:42:59,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 06:42:59,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 06:42:59,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:42:59,583 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:42:59,583 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 06:42:59,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:42:59,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:42:59,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:42:59,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:42:59,637 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 06:42:59,637 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:42:59,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:42:59,638 INFO L82 PathProgramCache]: Analyzing trace with hash -1592437936, now seen corresponding path program 1 times [2021-07-10 06:42:59,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:42:59,638 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361167162] [2021-07-10 06:42:59,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:42:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:43:00,104 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 06:43:00,104 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:43:00,104 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361167162] [2021-07-10 06:43:00,104 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361167162] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:43:00,105 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196412969] [2021-07-10 06:43:00,105 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 06:43:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:43:00,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-10 06:43:00,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:43:00,630 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:43:00,631 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:43:00,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 10 [2021-07-10 06:43:00,643 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:43:00,650 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:43:00,650 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:43:00,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-07-10 06:43:00,652 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 06:43:00,655 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:43:00,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-07-10 06:43:00,658 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 06:43:00,671 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:43:00,675 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 06:43:00,675 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:97, output treesize:21 [2021-07-10 06:43:00,756 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 06:43:00,757 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1196412969] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:43:00,757 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:43:00,757 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-07-10 06:43:00,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911507809] [2021-07-10 06:43:00,759 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-10 06:43:00,760 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:43:00,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-10 06:43:00,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-07-10 06:43:00,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:43:00,762 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:43:00,763 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:43:00,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:43:00,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:43:00,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:43:00,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:43:00,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:43:00,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:43:01,180 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:43:01,180 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:43:01,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:43:01,181 INFO L82 PathProgramCache]: Analyzing trace with hash 217830638, now seen corresponding path program 2 times [2021-07-10 06:43:01,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:43:01,181 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979503591] [2021-07-10 06:43:01,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:43:01,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:43:01,251 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 06:43:01,251 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:43:01,252 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979503591] [2021-07-10 06:43:01,252 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979503591] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:43:01,252 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [12835389] [2021-07-10 06:43:01,252 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 06:43:01,294 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 06:43:01,294 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:43:01,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-10 06:43:01,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:43:01,433 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 06:43:01,433 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [12835389] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:43:01,433 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:43:01,433 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-07-10 06:43:01,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120823633] [2021-07-10 06:43:01,434 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-10 06:43:01,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:43:01,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-10 06:43:01,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-07-10 06:43:01,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:43:01,435 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:43:01,435 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 06:43:01,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:43:01,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:43:01,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:43:01,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:43:01,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:43:01,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:43:01,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:43:01,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:43:01,849 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-10 06:43:01,849 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:43:01,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:43:01,849 INFO L82 PathProgramCache]: Analyzing trace with hash -537545550, now seen corresponding path program 1 times [2021-07-10 06:43:01,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:43:01,850 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654192576] [2021-07-10 06:43:01,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:43:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:43:01,903 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 06:43:01,903 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:43:01,903 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654192576] [2021-07-10 06:43:01,903 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654192576] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:43:01,903 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599891752] [2021-07-10 06:43:01,903 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 06:43:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:43:01,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-10 06:43:01,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:43:02,042 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 06:43:02,042 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [599891752] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:43:02,042 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:43:02,042 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-07-10 06:43:02,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371348164] [2021-07-10 06:43:02,043 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-10 06:43:02,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:43:02,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-10 06:43:02,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-07-10 06:43:02,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:43:02,044 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:43:02,044 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 06:43:02,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:43:02,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:43:02,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:43:02,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:43:02,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:43:02,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:43:02,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:43:02,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:43:02,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:43:02,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:43:02,396 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:43:02,397 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:43:02,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:43:02,397 INFO L82 PathProgramCache]: Analyzing trace with hash -246413360, now seen corresponding path program 2 times [2021-07-10 06:43:02,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:43:02,398 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314923595] [2021-07-10 06:43:02,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:43:02,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:43:03,144 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2021-07-10 06:43:03,439 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 78 [2021-07-10 06:43:03,725 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2021-07-10 06:43:03,935 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 47 [2021-07-10 06:43:04,110 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 44 [2021-07-10 06:43:04,224 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 06:43:04,225 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:43:04,225 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314923595] [2021-07-10 06:43:04,225 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314923595] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:43:04,225 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564391957] [2021-07-10 06:43:04,225 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 06:43:04,263 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 06:43:04,264 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:43:04,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 36 conjunts are in the unsatisfiable core [2021-07-10 06:43:04,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:43:09,258 WARN L205 SmtUtils]: Spent 4.55 s on a formula simplification that was a NOOP. DAG size: 67 [2021-07-10 06:43:09,666 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2021-07-10 06:43:10,087 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-07-10 06:43:10,426 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-07-10 06:43:11,278 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2021-07-10 06:43:12,147 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 360 [2021-07-10 06:43:14,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:14,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:14,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:14,208 INFO L354 Elim1Store]: treesize reduction 18, result has 71.4 percent of original size [2021-07-10 06:43:14,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 33 treesize of output 63 [2021-07-10 06:43:14,239 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:43:14,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:14,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:14,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:14,393 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 34 [2021-07-10 06:43:14,394 INFO L354 Elim1Store]: treesize reduction 12, result has 81.0 percent of original size [2021-07-10 06:43:14,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 38 treesize of output 72 [2021-07-10 06:43:14,407 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 06:43:16,437 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 424 [2021-07-10 06:43:16,438 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:43:16,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:16,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:16,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:16,550 INFO L354 Elim1Store]: treesize reduction 24, result has 61.9 percent of original size [2021-07-10 06:43:16,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 48 treesize of output 60 [2021-07-10 06:43:16,557 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 06:43:16,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:16,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:16,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:16,703 INFO L354 Elim1Store]: treesize reduction 16, result has 74.6 percent of original size [2021-07-10 06:43:16,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 53 treesize of output 71 [2021-07-10 06:43:16,713 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 06:43:18,696 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification that was a NOOP. DAG size: 419 [2021-07-10 06:43:18,697 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:43:18,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:18,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:18,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:18,838 INFO L354 Elim1Store]: treesize reduction 4, result has 93.7 percent of original size [2021-07-10 06:43:18,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 44 treesize of output 80 [2021-07-10 06:43:18,876 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 06:43:18,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:18,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:18,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:18,982 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:43:18,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 49 treesize of output 87 [2021-07-10 06:43:19,017 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 06:43:22,736 WARN L205 SmtUtils]: Spent 3.72 s on a formula simplification. DAG size of input: 431 DAG size of output: 411 [2021-07-10 06:43:22,737 INFO L628 ElimStorePlain]: treesize reduction 85, result has 96.3 percent of original size [2021-07-10 06:43:22,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:22,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:22,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:22,872 INFO L354 Elim1Store]: treesize reduction 22, result has 65.1 percent of original size [2021-07-10 06:43:22,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 33 treesize of output 59 [2021-07-10 06:43:22,883 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 06:43:22,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:22,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:22,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:22,977 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:43:22,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 28 treesize of output 78 [2021-07-10 06:43:23,045 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 06:43:24,809 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 404 [2021-07-10 06:43:24,809 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:43:24,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:24,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:24,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:24,926 INFO L354 Elim1Store]: treesize reduction 22, result has 65.1 percent of original size [2021-07-10 06:43:24,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 44 treesize of output 62 [2021-07-10 06:43:24,938 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 06:43:24,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:24,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:24,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:25,087 INFO L354 Elim1Store]: treesize reduction 4, result has 93.7 percent of original size [2021-07-10 06:43:25,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 49 treesize of output 83 [2021-07-10 06:43:25,114 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-10 06:43:28,585 WARN L205 SmtUtils]: Spent 3.47 s on a formula simplification. DAG size of input: 407 DAG size of output: 397 [2021-07-10 06:43:28,586 INFO L628 ElimStorePlain]: treesize reduction 34, result has 98.4 percent of original size [2021-07-10 06:43:28,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:28,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:28,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:28,703 INFO L354 Elim1Store]: treesize reduction 24, result has 61.9 percent of original size [2021-07-10 06:43:28,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 38 treesize of output 60 [2021-07-10 06:43:28,713 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-10 06:43:28,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:28,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:28,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:28,811 INFO L354 Elim1Store]: treesize reduction 16, result has 74.6 percent of original size [2021-07-10 06:43:28,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 33 treesize of output 65 [2021-07-10 06:43:28,851 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-10 06:43:30,525 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 389 [2021-07-10 06:43:30,526 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:43:30,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:30,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:30,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:30,678 INFO L354 Elim1Store]: treesize reduction 8, result has 87.3 percent of original size [2021-07-10 06:43:30,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 53 treesize of output 79 [2021-07-10 06:43:30,695 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-10 06:43:30,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:30,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:30,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:30,830 INFO L354 Elim1Store]: treesize reduction 16, result has 74.6 percent of original size [2021-07-10 06:43:30,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 48 treesize of output 68 [2021-07-10 06:43:30,843 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-10 06:43:35,973 WARN L205 SmtUtils]: Spent 5.13 s on a formula simplification. DAG size of input: 399 DAG size of output: 396 [2021-07-10 06:43:35,975 INFO L628 ElimStorePlain]: treesize reduction 21, result has 99.0 percent of original size [2021-07-10 06:43:36,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:36,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:36,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:36,128 INFO L354 Elim1Store]: treesize reduction 28, result has 55.6 percent of original size [2021-07-10 06:43:36,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 43 treesize of output 59 [2021-07-10 06:43:36,138 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-10 06:43:36,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:36,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:36,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:36,241 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-10 06:43:36,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 38 treesize of output 64 [2021-07-10 06:43:36,266 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-10 06:43:37,919 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 387 [2021-07-10 06:43:37,920 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:43:37,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:37,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:37,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:38,025 INFO L354 Elim1Store]: treesize reduction 30, result has 52.4 percent of original size [2021-07-10 06:43:38,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 46 treesize of output 54 [2021-07-10 06:43:38,046 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-10 06:43:38,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:38,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:38,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:38,147 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-10 06:43:38,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 51 treesize of output 67 [2021-07-10 06:43:38,154 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-10 06:43:39,809 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 387 [2021-07-10 06:43:39,809 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:43:39,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:39,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:39,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:39,916 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-10 06:43:39,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 39 treesize of output 61 [2021-07-10 06:43:39,934 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-10 06:43:39,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:39,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:39,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:40,055 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-10 06:43:40,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 44 treesize of output 64 [2021-07-10 06:43:40,069 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-10 06:43:41,672 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 379 [2021-07-10 06:43:41,672 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:43:41,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:41,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:41,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:41,799 INFO L354 Elim1Store]: treesize reduction 12, result has 81.0 percent of original size [2021-07-10 06:43:41,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 49 treesize of output 75 [2021-07-10 06:43:41,810 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-10 06:43:41,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:41,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:41,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:41,950 INFO L354 Elim1Store]: treesize reduction 12, result has 81.0 percent of original size [2021-07-10 06:43:41,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 44 treesize of output 72 [2021-07-10 06:43:41,965 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-10 06:43:45,150 WARN L205 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 379 DAG size of output: 376 [2021-07-10 06:43:45,151 INFO L628 ElimStorePlain]: treesize reduction 5, result has 99.8 percent of original size [2021-07-10 06:43:45,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:45,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:45,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:45,253 INFO L354 Elim1Store]: treesize reduction 26, result has 58.7 percent of original size [2021-07-10 06:43:45,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 37 treesize of output 55 [2021-07-10 06:43:45,265 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-10 06:43:45,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:45,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:45,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:45,368 INFO L354 Elim1Store]: treesize reduction 24, result has 61.9 percent of original size [2021-07-10 06:43:45,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 42 treesize of output 60 [2021-07-10 06:43:45,387 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-10 06:43:46,905 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 373 [2021-07-10 06:43:46,905 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:43:46,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:46,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:46,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:47,007 INFO L354 Elim1Store]: treesize reduction 34, result has 46.0 percent of original size [2021-07-10 06:43:47,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 46 treesize of output 50 [2021-07-10 06:43:47,010 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-10 06:43:47,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:47,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:47,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:47,150 INFO L354 Elim1Store]: treesize reduction 12, result has 81.0 percent of original size [2021-07-10 06:43:47,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 51 treesize of output 75 [2021-07-10 06:43:47,168 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-10 06:43:50,325 WARN L205 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 387 DAG size of output: 385 [2021-07-10 06:43:50,326 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.6 percent of original size [2021-07-10 06:43:50,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:50,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:50,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:50,437 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-10 06:43:50,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 44 treesize of output 64 [2021-07-10 06:43:50,447 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-10 06:43:50,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:50,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:50,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:50,562 INFO L354 Elim1Store]: treesize reduction 16, result has 74.6 percent of original size [2021-07-10 06:43:50,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 49 treesize of output 71 [2021-07-10 06:43:50,585 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-10 06:43:53,632 WARN L205 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 379 DAG size of output: 375 [2021-07-10 06:43:53,633 INFO L628 ElimStorePlain]: treesize reduction 19, result has 99.1 percent of original size [2021-07-10 06:43:53,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:53,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:53,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:53,734 INFO L354 Elim1Store]: treesize reduction 26, result has 58.7 percent of original size [2021-07-10 06:43:53,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 44 treesize of output 58 [2021-07-10 06:43:53,746 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-10 06:43:53,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:53,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:53,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:53,839 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-10 06:43:53,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 49 treesize of output 67 [2021-07-10 06:43:53,866 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-10 06:43:56,887 WARN L205 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 377 DAG size of output: 372 [2021-07-10 06:43:56,888 INFO L628 ElimStorePlain]: treesize reduction 40, result has 98.0 percent of original size [2021-07-10 06:43:56,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:56,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:56,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:57,004 INFO L354 Elim1Store]: treesize reduction 16, result has 74.6 percent of original size [2021-07-10 06:43:57,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 47 treesize of output 71 [2021-07-10 06:43:57,010 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-10 06:43:57,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:57,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:57,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:57,089 INFO L354 Elim1Store]: treesize reduction 30, result has 52.4 percent of original size [2021-07-10 06:43:57,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 42 treesize of output 54 [2021-07-10 06:43:57,094 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-10 06:44:00,038 WARN L205 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 373 DAG size of output: 371 [2021-07-10 06:44:00,039 INFO L628 ElimStorePlain]: treesize reduction 11, result has 99.4 percent of original size [2021-07-10 06:44:00,866 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 270 [2021-07-10 06:44:00,869 INFO L550 ElimStorePlain]: Start of recursive call 1: 33 dim-0 vars, 16 dim-1 vars, End of recursive call: and 32 xjuncts. [2021-07-10 06:44:00,869 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 49 variables, input treesize:2313, output treesize:3363 [2021-07-10 06:44:02,528 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 270 DAG size of output: 118 [2021-07-10 06:44:02,672 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 06:44:02,672 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [564391957] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:44:02,672 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:44:02,672 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-07-10 06:44:02,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743283822] [2021-07-10 06:44:02,673 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-10 06:44:02,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:44:02,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-10 06:44:02,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=516, Unknown=0, NotChecked=0, Total=600 [2021-07-10 06:44:02,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:44:02,674 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:44:02,674 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 06:44:02,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:44:02,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:44:02,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:44:02,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:44:02,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:44:02,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:44:03,544 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 55 [2021-07-10 06:44:03,952 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 41 [2021-07-10 06:44:09,772 WARN L205 SmtUtils]: Spent 5.69 s on a formula simplification. DAG size of input: 136 DAG size of output: 101 [2021-07-10 06:44:10,107 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 56 [2021-07-10 06:44:11,628 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 137 DAG size of output: 98 [2021-07-10 06:44:13,567 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 287 DAG size of output: 194 [2021-07-10 06:44:26,354 WARN L205 SmtUtils]: Spent 12.67 s on a formula simplification. DAG size of input: 230 DAG size of output: 104 [2021-07-10 06:44:28,796 WARN L205 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 192 DAG size of output: 108 [2021-07-10 06:44:29,734 WARN L205 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 101 [2021-07-10 06:44:37,640 WARN L205 SmtUtils]: Spent 7.78 s on a formula simplification. DAG size of input: 231 DAG size of output: 101 [2021-07-10 06:44:50,736 WARN L205 SmtUtils]: Spent 12.98 s on a formula simplification. DAG size of input: 193 DAG size of output: 115 [2021-07-10 06:44:52,532 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 230 DAG size of output: 178 [2021-07-10 06:44:53,909 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 227 DAG size of output: 98 [2021-07-10 06:44:57,739 WARN L205 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 176 DAG size of output: 112 [2021-07-10 06:44:58,041 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 76 [2021-07-10 06:44:58,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:44:58,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:44:58,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:44:58,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:44:58,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:44:58,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:44:58,375 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-10 06:44:58,375 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:44:58,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:44:58,376 INFO L82 PathProgramCache]: Analyzing trace with hash 358746990, now seen corresponding path program 3 times [2021-07-10 06:44:58,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:44:58,376 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336269081] [2021-07-10 06:44:58,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:44:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:44:58,479 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 06:44:58,479 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:44:58,479 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336269081] [2021-07-10 06:44:58,479 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336269081] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:44:58,479 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966846611] [2021-07-10 06:44:58,480 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 06:44:58,515 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-10 06:44:58,515 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:44:58,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 06:44:58,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:44:58,698 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 06:44:58,698 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [966846611] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:44:58,698 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:44:58,698 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-07-10 06:44:58,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086130] [2021-07-10 06:44:58,699 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-10 06:44:58,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:44:58,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-10 06:44:58,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-07-10 06:44:58,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:44:58,699 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:44:58,700 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 06:44:58,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:44:58,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:44:58,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:44:58,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:44:58,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:44:58,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:44:58,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:44:59,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:44:59,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:44:59,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:44:59,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:44:59,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:44:59,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:44:59,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:44:59,349 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable499 [2021-07-10 06:44:59,349 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:44:59,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:44:59,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1163701042, now seen corresponding path program 4 times [2021-07-10 06:44:59,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:44:59,349 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367028313] [2021-07-10 06:44:59,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:44:59,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:44:59,439 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 06:44:59,440 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:44:59,440 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367028313] [2021-07-10 06:44:59,440 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367028313] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:44:59,440 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865717421] [2021-07-10 06:44:59,440 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 06:44:59,711 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 06:44:59,711 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:44:59,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 06:44:59,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:44:59,835 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 06:44:59,836 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [865717421] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:44:59,836 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:44:59,836 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-07-10 06:44:59,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173872621] [2021-07-10 06:44:59,836 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-10 06:44:59,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:44:59,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-10 06:44:59,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-07-10 06:44:59,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:44:59,837 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:44:59,837 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 06:44:59,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:44:59,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:44:59,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:44:59,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:44:59,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:44:59,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:44:59,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:44:59,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:45:00,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:45:00,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:45:00,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:45:00,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:45:00,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:45:00,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:45:00,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:45:00,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:45:00,253 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable500,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:45:00,253 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:45:00,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:45:00,254 INFO L82 PathProgramCache]: Analyzing trace with hash -323420080, now seen corresponding path program 5 times [2021-07-10 06:45:00,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:45:00,254 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376993597] [2021-07-10 06:45:00,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:45:00,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:45:01,389 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 159 [2021-07-10 06:45:01,654 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 43 [2021-07-10 06:45:01,805 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 218 [2021-07-10 06:45:02,440 WARN L205 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 75 [2021-07-10 06:45:02,731 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 315 [2021-07-10 06:45:03,923 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 315 DAG size of output: 133 [2021-07-10 06:45:04,197 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 294 [2021-07-10 06:45:06,169 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 294 DAG size of output: 181 [2021-07-10 06:45:06,459 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 289 [2021-07-10 06:45:08,364 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 289 DAG size of output: 176 [2021-07-10 06:45:09,167 WARN L205 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 109 [2021-07-10 06:45:09,552 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 70 [2021-07-10 06:45:09,750 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 44 [2021-07-10 06:45:09,941 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 41 [2021-07-10 06:45:10,106 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 06:45:10,107 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:45:10,107 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376993597] [2021-07-10 06:45:10,107 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376993597] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:45:10,107 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636576614] [2021-07-10 06:45:10,107 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 06:45:10,155 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-10 06:45:10,155 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:45:10,156 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 52 conjunts are in the unsatisfiable core [2021-07-10 06:45:10,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:45:12,320 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 119 [2021-07-10 06:45:14,170 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 355 [2021-07-10 06:45:16,169 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 364 [2021-07-10 06:45:18,149 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 365 [2021-07-10 06:45:20,588 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 367 [2021-07-10 06:45:22,558 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 366 [2021-07-10 06:45:24,285 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 380 [2021-07-10 06:45:26,178 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 379 [2021-07-10 06:45:26,993 INFO L446 ElimStorePlain]: Different costs {9=[v_prenex_120, v_prenex_122, v_prenex_100, v_prenex_124, v_prenex_102, v_prenex_90, v_prenex_126, v_prenex_104, v_prenex_128, v_prenex_106, v_prenex_94, v_prenex_92, v_prenex_98, v_prenex_96, v_prenex_79, v_prenex_77, v_prenex_130, v_prenex_132, v_prenex_110, v_prenex_134, v_prenex_112, v_prenex_114, v_prenex_136, v_prenex_116, v_prenex_138, v_prenex_108, v_prenex_81, v_prenex_86, v_prenex_84, v_prenex_88], 15=[v_prenex_118, A]} [2021-07-10 06:45:27,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:27,051 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:45:27,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:27,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:27,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:27,064 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:45:27,095 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 06:45:27,098 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:27,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:27,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:27,166 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:45:27,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:27,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:27,171 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 06:45:27,173 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:36,152 WARN L205 SmtUtils]: Spent 8.98 s on a formula simplification. DAG size of input: 807 DAG size of output: 753 [2021-07-10 06:45:36,154 INFO L628 ElimStorePlain]: treesize reduction 1220, result has 68.9 percent of original size [2021-07-10 06:45:36,190 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:45:36,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:36,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:36,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:36,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:36,197 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:45:36,221 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 06:45:36,223 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:36,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:36,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:36,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:36,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:36,273 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 06:45:36,275 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:39,400 WARN L205 SmtUtils]: Spent 3.12 s on a formula simplification that was a NOOP. DAG size: 739 [2021-07-10 06:45:39,400 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:45:39,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:39,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:39,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:39,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:39,472 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 06:45:39,479 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:39,527 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:45:39,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:39,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:39,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:39,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:39,538 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 06:45:39,540 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:42,439 WARN L205 SmtUtils]: Spent 2.90 s on a formula simplification that was a NOOP. DAG size: 723 [2021-07-10 06:45:42,439 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:45:42,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:42,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:42,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:42,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:42,506 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 42 treesize of output 22 [2021-07-10 06:45:42,508 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:42,542 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:45:42,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:42,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:42,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:42,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:42,551 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 06:45:42,552 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:45,356 WARN L205 SmtUtils]: Spent 2.80 s on a formula simplification that was a NOOP. DAG size: 706 [2021-07-10 06:45:45,357 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:45:45,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:45,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:45,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:45,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:45,417 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 06:45:45,419 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:45,459 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:45:45,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:45,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:45,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:45,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:45,467 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 06:45:45,469 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:47,952 WARN L205 SmtUtils]: Spent 2.48 s on a formula simplification that was a NOOP. DAG size: 689 [2021-07-10 06:45:47,952 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:45:47,984 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:45:47,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:47,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:47,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:47,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:47,993 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 06:45:47,995 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:50,575 WARN L205 SmtUtils]: Spent 2.58 s on a formula simplification that was a NOOP. DAG size: 676 [2021-07-10 06:45:50,576 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:45:50,609 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:45:50,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:50,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:50,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:50,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:50,618 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:45:50,641 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 06:45:50,643 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:50,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:50,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:50,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:50,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:50,683 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 06:45:50,684 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:53,262 WARN L205 SmtUtils]: Spent 2.58 s on a formula simplification that was a NOOP. DAG size: 661 [2021-07-10 06:45:53,263 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:45:53,296 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:45:53,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:53,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:53,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:53,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:53,304 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:45:53,327 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 06:45:53,336 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:53,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:53,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:53,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:53,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:53,377 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 06:45:53,379 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:55,836 WARN L205 SmtUtils]: Spent 2.46 s on a formula simplification that was a NOOP. DAG size: 644 [2021-07-10 06:45:55,837 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:45:55,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:55,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:55,872 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:45:55,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:55,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:55,882 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:45:55,897 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 06:45:55,900 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:55,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:55,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:55,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:55,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:55,940 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 06:45:55,942 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:58,120 WARN L205 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 628 [2021-07-10 06:45:58,121 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:45:58,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:58,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:58,153 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:45:58,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:58,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:58,157 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 06:45:58,159 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:00,305 WARN L205 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 613 [2021-07-10 06:46:00,306 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:00,335 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:00,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:00,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:00,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:00,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:00,344 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:00,365 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 06:46:00,367 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:00,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:00,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:00,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:00,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:00,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 06:46:00,406 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:02,449 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 597 [2021-07-10 06:46:02,449 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:02,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:02,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:02,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:02,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:02,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 06:46:02,516 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:02,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:02,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:02,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:02,548 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:02,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:02,550 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 06:46:02,552 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:04,489 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 580 [2021-07-10 06:46:04,489 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:04,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:04,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:04,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:04,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:04,545 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 06:46:04,547 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:04,576 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:04,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:04,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:04,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:04,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:04,583 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 06:46:04,584 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:06,359 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 564 [2021-07-10 06:46:06,359 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:06,386 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:06,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:06,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:06,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:06,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:06,394 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:06,413 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 06:46:06,415 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:06,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:06,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:06,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:06,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:06,450 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 06:46:06,453 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:08,160 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 547 [2021-07-10 06:46:08,161 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:08,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:08,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:08,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:08,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:08,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:08,192 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:08,193 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 06:46:08,194 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:09,820 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 532 [2021-07-10 06:46:09,820 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:09,845 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:09,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:09,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:09,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:09,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:09,851 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 06:46:09,852 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:11,389 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 517 [2021-07-10 06:46:11,390 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:11,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:11,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:11,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:11,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:11,423 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:11,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:11,427 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 06:46:11,430 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:12,973 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 502 [2021-07-10 06:46:12,974 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:12,998 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:12,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:13,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:13,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:13,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:13,004 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 06:46:13,007 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:14,499 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 487 [2021-07-10 06:46:14,499 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:14,523 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:14,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:14,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:14,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:14,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:14,529 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 06:46:14,539 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:16,014 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 472 [2021-07-10 06:46:16,015 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:16,038 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:16,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:16,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:16,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:16,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:16,045 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:16,061 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 06:46:16,063 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:16,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:16,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:16,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:16,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:16,092 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 06:46:16,094 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:17,434 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 455 [2021-07-10 06:46:17,435 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:17,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:17,460 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:17,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:17,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:17,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:17,466 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:17,479 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 06:46:17,481 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:17,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:17,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:17,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:17,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:17,510 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 06:46:17,512 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:18,793 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 438 [2021-07-10 06:46:18,793 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:18,816 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:18,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:18,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:18,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:18,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:18,821 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 06:46:18,823 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:20,044 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 423 [2021-07-10 06:46:20,044 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:20,065 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:20,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:20,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:20,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:20,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:20,071 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 06:46:20,072 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:21,260 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 408 [2021-07-10 06:46:21,261 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:21,282 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:21,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:21,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:21,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:21,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:21,287 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:21,300 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 06:46:21,302 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:21,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:21,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:21,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:21,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:21,330 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 06:46:21,332 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:22,411 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 391 [2021-07-10 06:46:22,412 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:22,431 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:22,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:22,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:22,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:22,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:22,436 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 06:46:22,438 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:23,473 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 376 [2021-07-10 06:46:23,473 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:23,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:23,493 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:23,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:23,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:23,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:23,496 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 06:46:23,498 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:24,506 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 361 [2021-07-10 06:46:24,506 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:24,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:24,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:24,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:24,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:24,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:24,529 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 06:46:24,540 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:25,503 WARN L205 SmtUtils]: Spent 961.00 ms on a formula simplification that was a NOOP. DAG size: 346 [2021-07-10 06:46:25,503 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:25,522 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:25,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:25,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:25,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:25,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:25,526 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:25,538 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 06:46:25,541 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:25,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:25,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:25,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:25,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:25,570 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 06:46:25,572 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:26,493 WARN L205 SmtUtils]: Spent 920.00 ms on a formula simplification that was a NOOP. DAG size: 329 [2021-07-10 06:46:26,493 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:26,511 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:26,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:26,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:26,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:26,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:26,517 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 06:46:26,518 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:27,427 WARN L205 SmtUtils]: Spent 908.00 ms on a formula simplification that was a NOOP. DAG size: 314 [2021-07-10 06:46:27,428 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:27,446 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:27,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:27,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:27,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:27,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:27,451 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 06:46:27,452 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:28,286 WARN L205 SmtUtils]: Spent 833.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2021-07-10 06:46:28,287 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:28,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:28,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:28,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:28,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:28,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:28,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:28,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:28,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:28,310 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:28,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:28,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:28,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:28,313 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 42 treesize of output 22 [2021-07-10 06:46:28,316 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:29,118 WARN L205 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2021-07-10 06:46:29,118 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:29,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:29,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:29,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:29,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:29,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:29,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:29,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:29,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:29,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:29,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:29,142 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 32 treesize of output 16 [2021-07-10 06:46:29,144 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:29,920 WARN L205 SmtUtils]: Spent 775.00 ms on a formula simplification that was a NOOP. DAG size: 270 [2021-07-10 06:46:29,920 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:29,961 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 06:46:29,961 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 96 variables, input treesize:4005, output treesize:236 [2021-07-10 06:46:30,222 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 06:46:30,223 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [636576614] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:46:30,223 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:46:30,223 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-07-10 06:46:30,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890744690] [2021-07-10 06:46:30,223 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-07-10 06:46:30,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:46:30,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-07-10 06:46:30,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=895, Unknown=0, NotChecked=0, Total=992 [2021-07-10 06:46:30,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:46:30,224 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:46:30,224 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.3125) internal successors, (74), 32 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:46:30,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:46:30,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:46:30,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:46:30,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:46:30,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:46:30,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:46:30,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:46:30,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:46:30,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:46:31,175 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 43 [2021-07-10 06:46:31,799 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 58 [2021-07-10 06:46:32,166 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 65 [2021-07-10 06:46:32,602 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 66 [2021-07-10 06:46:33,135 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 72 [2021-07-10 06:46:33,699 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 85 [2021-07-10 06:46:34,976 WARN L205 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 134 [2021-07-10 06:46:35,471 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 93 [2021-07-10 06:46:38,455 WARN L205 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 265 DAG size of output: 123 [2021-07-10 06:46:43,659 WARN L205 SmtUtils]: Spent 4.88 s on a formula simplification. DAG size of input: 568 DAG size of output: 304 [2021-07-10 06:46:46,439 WARN L205 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 185 DAG size of output: 130 [2021-07-10 06:46:47,286 WARN L205 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 173 [2021-07-10 06:46:47,554 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 62 [2021-07-10 06:46:48,103 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-07-10 06:46:49,170 WARN L205 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 175 [2021-07-10 06:46:49,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:46:49,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:46:49,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:46:49,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:46:49,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:46:49,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:46:49,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:46:49,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:46:49,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:46:49,443 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable501 [2021-07-10 06:46:49,443 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:46:49,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:46:49,444 INFO L82 PathProgramCache]: Analyzing trace with hash 931633578, now seen corresponding path program 6 times [2021-07-10 06:46:49,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:46:49,444 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824249653] [2021-07-10 06:46:49,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:46:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:46:49,593 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 06:46:49,593 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:46:49,593 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824249653] [2021-07-10 06:46:49,593 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824249653] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:46:49,593 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [400026256] [2021-07-10 06:46:49,594 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 06:46:49,647 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-10 06:46:49,647 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:46:49,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-10 06:46:49,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:46:49,965 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 06:46:49,966 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [400026256] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:46:49,966 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:46:49,966 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-07-10 06:46:49,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276963599] [2021-07-10 06:46:49,968 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-10 06:46:49,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:46:49,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-10 06:46:49,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-07-10 06:46:49,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:46:49,968 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:46:49,969 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 06:46:49,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:46:49,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:46:49,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:46:49,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:46:49,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:46:49,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:46:49,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:46:49,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:46:49,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:46:49,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:46:50,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:46:50,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:46:50,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:46:50,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:46:50,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:46:50,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:46:50,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:46:50,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:46:50,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:46:50,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:46:50,473 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable657,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:46:50,473 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:46:50,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:46:50,474 INFO L82 PathProgramCache]: Analyzing trace with hash -607915832, now seen corresponding path program 7 times [2021-07-10 06:46:50,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:46:50,474 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934170605] [2021-07-10 06:46:50,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:46:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:46:52,968 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 63 [2021-07-10 06:46:53,123 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 30 [2021-07-10 06:47:23,391 WARN L205 SmtUtils]: Spent 30.26 s on a formula simplification. DAG size of input: 238 DAG size of output: 216 [2021-07-10 06:47:23,824 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 48 [2021-07-10 06:48:53,747 WARN L205 SmtUtils]: Spent 1.50 m on a formula simplification. DAG size of input: 348 DAG size of output: 382 [2021-07-10 06:48:54,936 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 382 DAG size of output: 81 [2021-07-10 06:51:18,153 WARN L205 SmtUtils]: Spent 2.39 m on a formula simplification. DAG size of input: 481 DAG size of output: 508 [2021-07-10 06:51:18,282 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 508 DAG size of output: 508 [2021-07-10 06:51:20,000 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 504 DAG size of output: 116 [2021-07-10 06:54:33,224 WARN L205 SmtUtils]: Spent 3.22 m on a formula simplification. DAG size of input: 567 DAG size of output: 750 [2021-07-10 06:54:37,386 WARN L205 SmtUtils]: Spent 3.91 s on a formula simplification. DAG size of input: 747 DAG size of output: 211 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown