/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-Lockstep.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 09:22:03,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 09:22:03,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 09:22:03,994 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 09:22:04,054 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 09:22:04,055 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 09:22:04,055 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 09:22:04,059 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-Lockstep.epf [2021-07-10 09:22:04,097 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 09:22:04,097 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 09:22:04,097 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 09:22:04,098 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 09:22:04,100 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 09:22:04,100 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 09:22:04,100 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 09:22:04,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 09:22:04,101 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 09:22:04,101 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 09:22:04,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 09:22:04,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 09:22:04,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 09:22:04,102 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 09:22:04,102 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 09:22:04,103 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 09:22:04,103 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 09:22:04,103 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 09:22:04,103 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 09:22:04,103 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 09:22:04,103 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 09:22:04,103 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 09:22:04,104 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 09:22:04,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 09:22:04,104 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 09:22:04,104 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 09:22:04,104 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 09:22:04,104 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 09:22:04,104 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-10 09:22:04,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 09:22:04,105 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 09:22:04,105 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 09:22:04,105 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 09:22:04,105 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-10 09:22:04,106 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 09:22:04,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 09:22:04,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 09:22:04,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 09:22:04,483 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 09:22:04,485 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 09:22:04,486 INFO L432 ainManager$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 09:22:04,486 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 09:22:04,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 09:22:04,512 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 09:22:04,514 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 09:22:04,514 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 09:22:04,514 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 09:22:04,525 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 09:22:04" (1/1) ... [2021-07-10 09:22:04,532 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 09:22:04" (1/1) ... [2021-07-10 09:22:04,539 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 09:22:04,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 09:22:04,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 09:22:04,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 09:22:04,547 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 09:22:04" (1/1) ... [2021-07-10 09:22:04,547 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 09:22:04" (1/1) ... [2021-07-10 09:22:04,549 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 09:22:04" (1/1) ... [2021-07-10 09:22:04,549 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 09:22:04" (1/1) ... [2021-07-10 09:22:04,553 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 09:22:04" (1/1) ... [2021-07-10 09:22:04,557 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 09:22:04" (1/1) ... [2021-07-10 09:22:04,557 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 09:22:04" (1/1) ... [2021-07-10 09:22:04,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 09:22:04,564 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 09:22:04,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 09:22:04,565 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 09:22:04,566 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 09:22:04" (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 09:22:04,631 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 09:22:04,631 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 09:22:04,631 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 09:22:04,631 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 09:22:04,631 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 09:22:04,632 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 09:22:04,632 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 09:22:04,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 09:22:04,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 09:22:04,632 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-10 09:22:04,632 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-10 09:22:04,632 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-10 09:22:04,633 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 09:22:04,801 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 09:22:04,801 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-10 09:22:04,803 INFO L202 PluginConnector]: Adding new model max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 09:22:04 BoogieIcfgContainer [2021-07-10 09:22:04,803 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 09:22:04,805 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 09:22:04,805 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 09:22:04,807 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 09:22:04,807 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 09:22:04" (1/2) ... [2021-07-10 09:22:04,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3760e0f3 and model type max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 09:22:04, skipping insertion in model container [2021-07-10 09:22:04,808 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 09:22:04" (2/2) ... [2021-07-10 09:22:04,809 INFO L111 eAbstractionObserver]: Analyzing ICFG max-array-hom.wvr.bpl [2021-07-10 09:22:04,814 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 09:22:04,814 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 09:22:04,814 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 09:22:04,815 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 09:22:04,847 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-10 09:22:04,867 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 09:22:04,932 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 09:22:04,933 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 09:22:04,933 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 09:22:04,933 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 09:22:04,933 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 09:22:04,939 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 09:22:04,940 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 09:22:04,940 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 09:22:05,016 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:22:05,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:22:05,020 INFO L82 PathProgramCache]: Analyzing trace with hash 107147796, now seen corresponding path program 1 times [2021-07-10 09:22:05,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:22:05,028 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405548761] [2021-07-10 09:22:05,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:22:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:22:05,246 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 09:22:05,247 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:22:05,247 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405548761] [2021-07-10 09:22:05,248 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405548761] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 09:22:05,248 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 09:22:05,248 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 09:22:05,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172503235] [2021-07-10 09:22:05,254 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 09:22:05,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:22:05,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 09:22:05,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 09:22:05,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:22:05,269 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:22:05,272 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 09:22:05,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:22:05,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:22:05,311 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 09:22:05,311 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:22:05,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:22:05,315 INFO L82 PathProgramCache]: Analyzing trace with hash 597095090, now seen corresponding path program 1 times [2021-07-10 09:22:05,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:22:05,316 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853328855] [2021-07-10 09:22:05,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:22:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:22:05,392 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 09:22:05,392 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:22:05,392 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853328855] [2021-07-10 09:22:05,393 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853328855] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 09:22:05,393 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 09:22:05,393 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-10 09:22:05,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862116308] [2021-07-10 09:22:05,394 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 09:22:05,395 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:22:05,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 09:22:05,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 09:22:05,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:22:05,399 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:22:05,400 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 09:22:05,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:22:05,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:22:05,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:22:05,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:22:05,460 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 09:22:05,460 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:22:05,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:22:05,461 INFO L82 PathProgramCache]: Analyzing trace with hash -1592437936, now seen corresponding path program 1 times [2021-07-10 09:22:05,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:22:05,462 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988422148] [2021-07-10 09:22:05,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:22:05,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:22:06,042 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 09:22:06,043 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:22:06,043 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988422148] [2021-07-10 09:22:06,043 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988422148] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:22:06,043 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321712438] [2021-07-10 09:22:06,043 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 09:22:06,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:22:06,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-10 09:22:06,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 09:22:06,552 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:22:06,552 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:22:06,558 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 09:22:06,560 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 09:22:06,565 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:22:06,566 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:22:06,567 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 09:22:06,568 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 09:22:06,570 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:22:06,571 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 09:22:06,572 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 09:22:06,584 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:22:06,591 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 09:22:06,591 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:97, output treesize:21 [2021-07-10 09:22:06,654 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 09:22:06,654 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [321712438] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:22:06,655 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 09:22:06,655 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-07-10 09:22:06,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585580153] [2021-07-10 09:22:06,655 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-10 09:22:06,655 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:22:06,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-10 09:22:06,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-07-10 09:22:06,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:22:06,657 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:22:06,657 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 09:22:06,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:22:06,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:22:06,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:22:06,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:22:06,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:22:06,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:22:07,081 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 09:22:07,081 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:22:07,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:22:07,081 INFO L82 PathProgramCache]: Analyzing trace with hash 217830638, now seen corresponding path program 2 times [2021-07-10 09:22:07,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:22:07,082 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780225301] [2021-07-10 09:22:07,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:22:07,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:22:07,147 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 09:22:07,147 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:22:07,148 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780225301] [2021-07-10 09:22:07,149 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780225301] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:22:07,149 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304942204] [2021-07-10 09:22:07,149 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 09:22:07,199 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 09:22:07,199 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 09:22:07,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-10 09:22:07,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 09:22:07,329 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 09:22:07,330 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1304942204] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:22:07,330 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 09:22:07,330 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-07-10 09:22:07,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173401866] [2021-07-10 09:22:07,330 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-10 09:22:07,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:22:07,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-10 09:22:07,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-07-10 09:22:07,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:22:07,332 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:22:07,332 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 09:22:07,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:22:07,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:22:07,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:22:07,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:22:07,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:22:07,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:22:07,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:22:07,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:22:07,728 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-10 09:22:07,730 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:22:07,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:22:07,730 INFO L82 PathProgramCache]: Analyzing trace with hash -537545550, now seen corresponding path program 1 times [2021-07-10 09:22:07,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:22:07,731 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025780792] [2021-07-10 09:22:07,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:22:07,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:22:07,779 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 09:22:07,779 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:22:07,779 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025780792] [2021-07-10 09:22:07,780 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025780792] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:22:07,780 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817655697] [2021-07-10 09:22:07,780 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 09:22:07,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:22:07,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-10 09:22:07,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 09:22:07,920 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 09:22:07,920 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1817655697] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:22:07,920 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 09:22:07,921 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-07-10 09:22:07,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447405594] [2021-07-10 09:22:07,921 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-10 09:22:07,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:22:07,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-10 09:22:07,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-07-10 09:22:07,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:22:07,922 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:22:07,922 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 09:22:07,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:22:07,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:22:07,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:22:07,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:22:07,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:22:08,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:22:08,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:22:08,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:22:08,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:22:08,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:22:08,247 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 09:22:08,249 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:22:08,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:22:08,249 INFO L82 PathProgramCache]: Analyzing trace with hash -246413360, now seen corresponding path program 2 times [2021-07-10 09:22:08,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:22:08,251 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535510450] [2021-07-10 09:22:08,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:22:08,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:22:09,018 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2021-07-10 09:22:09,305 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 78 [2021-07-10 09:22:09,607 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2021-07-10 09:22:09,813 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 47 [2021-07-10 09:22:09,986 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 44 [2021-07-10 09:22:10,097 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 09:22:10,097 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:22:10,097 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535510450] [2021-07-10 09:22:10,097 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535510450] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:22:10,097 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [598669039] [2021-07-10 09:22:10,098 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 09:22:10,144 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 09:22:10,145 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 09:22:10,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 36 conjunts are in the unsatisfiable core [2021-07-10 09:22:10,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 09:22:13,132 WARN L205 SmtUtils]: Spent 2.55 s on a formula simplification that was a NOOP. DAG size: 67 [2021-07-10 09:22:13,516 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2021-07-10 09:22:13,965 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-07-10 09:22:14,363 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-07-10 09:22:15,283 WARN L205 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2021-07-10 09:22:16,006 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 360 [2021-07-10 09:22:18,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:18,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:18,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:18,141 INFO L354 Elim1Store]: treesize reduction 18, result has 71.4 percent of original size [2021-07-10 09:22:18,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 09:22:18,177 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 09:22:18,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:18,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:18,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:18,316 INFO L354 Elim1Store]: treesize reduction 12, result has 81.0 percent of original size [2021-07-10 09:22:18,317 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 09:22:18,342 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 09:22:20,395 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 424 [2021-07-10 09:22:20,396 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:22:20,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:20,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:20,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:20,524 INFO L354 Elim1Store]: treesize reduction 24, result has 61.9 percent of original size [2021-07-10 09:22:20,525 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 09:22:20,550 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 09:22:20,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:20,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:20,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:20,693 INFO L354 Elim1Store]: treesize reduction 16, result has 74.6 percent of original size [2021-07-10 09:22:20,694 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 09:22:20,701 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 09:22:22,703 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 419 [2021-07-10 09:22:22,703 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:22:22,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:22,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:22,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:22,847 INFO L354 Elim1Store]: treesize reduction 4, result has 93.7 percent of original size [2021-07-10 09:22:22,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 09:22:22,881 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 09:22:22,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:22,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:22,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:23,008 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:22:23,008 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 09:22:23,031 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 09:22:26,890 WARN L205 SmtUtils]: Spent 3.86 s on a formula simplification. DAG size of input: 431 DAG size of output: 411 [2021-07-10 09:22:26,902 INFO L628 ElimStorePlain]: treesize reduction 85, result has 96.3 percent of original size [2021-07-10 09:22:26,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:26,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:26,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:27,032 INFO L354 Elim1Store]: treesize reduction 22, result has 65.1 percent of original size [2021-07-10 09:22:27,033 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 09:22:27,049 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 09:22:27,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:27,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:27,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:27,155 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:22:27,155 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 09:22:27,207 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 09:22:29,199 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification that was a NOOP. DAG size: 404 [2021-07-10 09:22:29,199 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:22:29,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:29,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:29,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:29,314 INFO L354 Elim1Store]: treesize reduction 22, result has 65.1 percent of original size [2021-07-10 09:22:29,314 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 09:22:29,329 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 09:22:29,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:29,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:29,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:29,468 INFO L354 Elim1Store]: treesize reduction 4, result has 93.7 percent of original size [2021-07-10 09:22:29,469 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 09:22:29,498 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-10 09:22:33,003 WARN L205 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 407 DAG size of output: 397 [2021-07-10 09:22:33,005 INFO L628 ElimStorePlain]: treesize reduction 34, result has 98.4 percent of original size [2021-07-10 09:22:33,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:33,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:33,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:33,122 INFO L354 Elim1Store]: treesize reduction 24, result has 61.9 percent of original size [2021-07-10 09:22:33,122 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 09:22:33,149 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-10 09:22:33,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:33,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:33,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:33,251 INFO L354 Elim1Store]: treesize reduction 16, result has 74.6 percent of original size [2021-07-10 09:22:33,252 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 09:22:33,284 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-10 09:22:34,955 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 389 [2021-07-10 09:22:34,956 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:22:34,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:34,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:34,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:35,095 INFO L354 Elim1Store]: treesize reduction 8, result has 87.3 percent of original size [2021-07-10 09:22:35,096 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 09:22:35,128 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-10 09:22:35,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:35,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:35,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:35,253 INFO L354 Elim1Store]: treesize reduction 16, result has 74.6 percent of original size [2021-07-10 09:22:35,254 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 09:22:35,276 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-10 09:22:40,438 WARN L205 SmtUtils]: Spent 5.16 s on a formula simplification. DAG size of input: 399 DAG size of output: 396 [2021-07-10 09:22:40,439 INFO L628 ElimStorePlain]: treesize reduction 21, result has 99.0 percent of original size [2021-07-10 09:22:40,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:40,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:40,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:40,552 INFO L354 Elim1Store]: treesize reduction 28, result has 55.6 percent of original size [2021-07-10 09:22:40,553 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 09:22:40,566 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-10 09:22:40,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:40,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:40,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:40,674 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-10 09:22:40,674 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 09:22:40,697 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-10 09:22:42,361 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 387 [2021-07-10 09:22:42,362 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:22:42,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:42,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:42,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:42,491 INFO L354 Elim1Store]: treesize reduction 30, result has 52.4 percent of original size [2021-07-10 09:22:42,491 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 09:22:42,497 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-10 09:22:42,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:42,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:42,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:42,605 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-10 09:22:42,605 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 09:22:42,616 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-10 09:22:44,234 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 387 [2021-07-10 09:22:44,234 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:22:44,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:44,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:44,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:44,340 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-10 09:22:44,341 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 09:22:44,365 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-10 09:22:44,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:44,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:44,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:44,484 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-10 09:22:44,484 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 09:22:44,493 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-10 09:22:46,115 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 379 [2021-07-10 09:22:46,115 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:22:46,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:46,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:46,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:46,243 INFO L354 Elim1Store]: treesize reduction 12, result has 81.0 percent of original size [2021-07-10 09:22:46,243 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 09:22:46,274 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-10 09:22:46,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:46,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:46,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:46,400 INFO L354 Elim1Store]: treesize reduction 12, result has 81.0 percent of original size [2021-07-10 09:22:46,400 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 09:22:46,412 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-10 09:22:49,630 WARN L205 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 379 DAG size of output: 376 [2021-07-10 09:22:49,632 INFO L628 ElimStorePlain]: treesize reduction 5, result has 99.8 percent of original size [2021-07-10 09:22:49,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:49,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:49,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:49,730 INFO L354 Elim1Store]: treesize reduction 26, result has 58.7 percent of original size [2021-07-10 09:22:49,731 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 09:22:49,751 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-10 09:22:49,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:49,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:49,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:49,845 INFO L354 Elim1Store]: treesize reduction 24, result has 61.9 percent of original size [2021-07-10 09:22:49,845 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 09:22:49,855 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-10 09:22:51,418 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification that was a NOOP. DAG size: 373 [2021-07-10 09:22:51,418 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:22:51,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:51,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:51,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:51,520 INFO L354 Elim1Store]: treesize reduction 34, result has 46.0 percent of original size [2021-07-10 09:22:51,521 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 09:22:51,523 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-10 09:22:51,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:51,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:51,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:51,627 INFO L354 Elim1Store]: treesize reduction 12, result has 81.0 percent of original size [2021-07-10 09:22:51,628 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 09:22:51,645 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-10 09:22:54,921 WARN L205 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 387 DAG size of output: 385 [2021-07-10 09:22:54,923 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.6 percent of original size [2021-07-10 09:22:54,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:54,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:54,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:55,038 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-10 09:22:55,039 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 09:22:55,057 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-10 09:22:55,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:55,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:55,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:55,168 INFO L354 Elim1Store]: treesize reduction 16, result has 74.6 percent of original size [2021-07-10 09:22:55,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 09:22:55,176 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-10 09:22:58,265 WARN L205 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 379 DAG size of output: 375 [2021-07-10 09:22:58,266 INFO L628 ElimStorePlain]: treesize reduction 19, result has 99.1 percent of original size [2021-07-10 09:22:58,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:58,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:58,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:58,376 INFO L354 Elim1Store]: treesize reduction 26, result has 58.7 percent of original size [2021-07-10 09:22:58,376 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 09:22:58,399 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-10 09:22:58,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:58,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:58,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:22:58,513 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-10 09:22:58,514 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 09:22:58,539 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-10 09:23:01,616 WARN L205 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 377 DAG size of output: 372 [2021-07-10 09:23:01,617 INFO L628 ElimStorePlain]: treesize reduction 40, result has 98.0 percent of original size [2021-07-10 09:23:01,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:23:01,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:23:01,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:23:01,733 INFO L354 Elim1Store]: treesize reduction 16, result has 74.6 percent of original size [2021-07-10 09:23:01,734 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 09:23:01,747 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-10 09:23:01,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:23:01,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:23:01,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:23:01,828 INFO L354 Elim1Store]: treesize reduction 30, result has 52.4 percent of original size [2021-07-10 09:23:01,828 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 09:23:01,837 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-10 09:23:04,841 WARN L205 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 373 DAG size of output: 371 [2021-07-10 09:23:04,842 INFO L628 ElimStorePlain]: treesize reduction 11, result has 99.4 percent of original size [2021-07-10 09:23:05,738 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 270 [2021-07-10 09:23:05,743 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 09:23:05,743 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 49 variables, input treesize:2313, output treesize:3363 [2021-07-10 09:23:05,846 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 270 [2021-07-10 09:23:07,476 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 270 DAG size of output: 118 [2021-07-10 09:23:07,663 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 09:23:07,663 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [598669039] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:23:07,663 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 09:23:07,663 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-07-10 09:23:07,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441504342] [2021-07-10 09:23:07,664 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-10 09:23:07,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:23:07,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-10 09:23:07,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=516, Unknown=0, NotChecked=0, Total=600 [2021-07-10 09:23:07,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:23:07,665 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:23:07,665 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 09:23:07,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:23:07,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:23:07,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:23:07,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:23:07,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:23:07,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:23:08,511 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 55 [2021-07-10 09:23:08,893 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 41 [2021-07-10 09:23:10,374 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 136 DAG size of output: 101 [2021-07-10 09:23:10,689 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 56 [2021-07-10 09:23:18,585 WARN L205 SmtUtils]: Spent 7.76 s on a formula simplification. DAG size of input: 137 DAG size of output: 98 [2021-07-10 09:23:20,857 WARN L205 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 287 DAG size of output: 194 [2021-07-10 09:23:23,730 WARN L205 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 230 DAG size of output: 104 [2021-07-10 09:23:25,799 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 192 DAG size of output: 108 [2021-07-10 09:23:26,647 WARN L205 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 101 [2021-07-10 09:23:30,836 WARN L205 SmtUtils]: Spent 4.06 s on a formula simplification. DAG size of input: 231 DAG size of output: 101 [2021-07-10 09:23:40,456 WARN L205 SmtUtils]: Spent 9.51 s on a formula simplification. DAG size of input: 193 DAG size of output: 115 [2021-07-10 09:23:42,148 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 230 DAG size of output: 178 [2021-07-10 09:23:43,699 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 227 DAG size of output: 98 [2021-07-10 09:23:49,589 WARN L205 SmtUtils]: Spent 5.76 s on a formula simplification. DAG size of input: 176 DAG size of output: 112 [2021-07-10 09:23:49,910 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 76 [2021-07-10 09:23:50,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:23:50,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:23:50,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:23:50,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:23:50,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:23:50,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 09:23:50,254 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-10 09:23:50,255 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:23:50,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:23:50,255 INFO L82 PathProgramCache]: Analyzing trace with hash 358746990, now seen corresponding path program 3 times [2021-07-10 09:23:50,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:23:50,255 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507163831] [2021-07-10 09:23:50,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:23:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:23:50,341 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 09:23:50,342 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:23:50,342 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507163831] [2021-07-10 09:23:50,342 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507163831] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:23:50,342 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1679606143] [2021-07-10 09:23:50,342 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 09:23:50,378 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-10 09:23:50,379 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 09:23:50,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 09:23:50,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 09:23:50,572 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 09:23:50,572 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1679606143] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:23:50,572 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 09:23:50,572 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-07-10 09:23:50,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70114315] [2021-07-10 09:23:50,574 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-10 09:23:50,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:23:50,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-10 09:23:50,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-07-10 09:23:50,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:23:50,575 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:23:50,575 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 09:23:50,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:23:50,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:23:50,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:23:50,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:23:50,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:23:50,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 09:23:50,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:23:51,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:23:51,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:23:51,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:23:51,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:23:51,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:23:51,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 09:23:51,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 09:23:51,281 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable499 [2021-07-10 09:23:51,282 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:23:51,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:23:51,282 INFO L82 PathProgramCache]: Analyzing trace with hash 1163701042, now seen corresponding path program 4 times [2021-07-10 09:23:51,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:23:51,282 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318146113] [2021-07-10 09:23:51,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:23:51,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:23:51,371 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 09:23:51,372 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:23:51,374 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318146113] [2021-07-10 09:23:51,374 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318146113] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:23:51,374 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525453648] [2021-07-10 09:23:51,374 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 09:23:51,418 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 09:23:51,418 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 09:23:51,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 09:23:51,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 09:23:51,572 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 09:23:51,572 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1525453648] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:23:51,572 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 09:23:51,573 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-07-10 09:23:51,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261492499] [2021-07-10 09:23:51,573 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-10 09:23:51,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:23:51,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-10 09:23:51,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-07-10 09:23:51,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:23:51,574 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:23:51,574 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 09:23:51,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:23:51,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:23:51,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:23:51,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:23:51,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:23:51,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 09:23:51,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 09:23:51,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:23:51,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:23:51,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:23:51,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:23:51,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:23:51,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:23:51,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 09:23:51,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 09:23:51,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 09:23:51,971 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable500,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 09:23:51,971 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:23:51,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:23:51,972 INFO L82 PathProgramCache]: Analyzing trace with hash -323420080, now seen corresponding path program 5 times [2021-07-10 09:23:51,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:23:51,972 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274164581] [2021-07-10 09:23:51,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:23:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:23:53,087 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 159 [2021-07-10 09:23:53,335 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 43 [2021-07-10 09:23:53,470 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 218 [2021-07-10 09:23:54,123 WARN L205 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 75 [2021-07-10 09:23:54,466 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 315 [2021-07-10 09:23:55,582 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 315 DAG size of output: 133 [2021-07-10 09:23:55,884 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 294 [2021-07-10 09:23:57,740 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 294 DAG size of output: 181 [2021-07-10 09:23:58,000 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 289 [2021-07-10 09:23:59,827 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 289 DAG size of output: 176 [2021-07-10 09:24:00,623 WARN L205 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 109 [2021-07-10 09:24:01,005 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 70 [2021-07-10 09:24:01,200 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 44 [2021-07-10 09:24:01,389 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 41 [2021-07-10 09:24:01,555 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 09:24:01,556 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:24:01,556 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274164581] [2021-07-10 09:24:01,556 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274164581] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:24:01,556 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [560682929] [2021-07-10 09:24:01,556 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 09:24:01,615 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-10 09:24:01,615 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 09:24:01,617 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 52 conjunts are in the unsatisfiable core [2021-07-10 09:24:01,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 09:24:03,793 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 119 [2021-07-10 09:24:05,567 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 355 [2021-07-10 09:24:07,569 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 364 [2021-07-10 09:24:09,625 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 365 [2021-07-10 09:24:11,780 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 367 [2021-07-10 09:24:13,588 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 366 [2021-07-10 09:24:15,270 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 380 [2021-07-10 09:24:17,099 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 379 [2021-07-10 09:24:17,921 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 09:24:17,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:17,983 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:24:17,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:17,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:17,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:17,997 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:24:18,032 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 09:24:18,035 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 09:24:18,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:18,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:18,094 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:24:18,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:18,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:18,099 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 09:24:18,101 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 09:24:27,176 WARN L205 SmtUtils]: Spent 9.07 s on a formula simplification. DAG size of input: 807 DAG size of output: 753 [2021-07-10 09:24:27,179 INFO L628 ElimStorePlain]: treesize reduction 1220, result has 68.9 percent of original size [2021-07-10 09:24:27,216 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:24:27,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:27,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:27,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:27,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:27,225 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:24:27,255 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 09:24:27,257 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 09:24:27,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:27,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:27,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:27,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:27,303 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 09:24:27,305 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 09:24:30,482 WARN L205 SmtUtils]: Spent 3.18 s on a formula simplification that was a NOOP. DAG size: 739 [2021-07-10 09:24:30,488 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:24:30,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:30,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:30,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:30,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:30,559 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 09:24:30,566 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 09:24:30,616 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:24:30,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:30,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:30,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:30,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:30,628 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 09:24:30,630 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 09:24:33,519 WARN L205 SmtUtils]: Spent 2.89 s on a formula simplification that was a NOOP. DAG size: 723 [2021-07-10 09:24:33,520 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:24:33,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:33,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:33,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:33,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:33,598 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 09:24:33,600 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 09:24:33,635 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:24:33,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:33,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:33,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:33,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:33,643 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 09:24:33,644 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 09:24:36,439 WARN L205 SmtUtils]: Spent 2.79 s on a formula simplification that was a NOOP. DAG size: 706 [2021-07-10 09:24:36,439 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:24:36,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:36,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:36,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:36,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:36,502 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 09:24:36,505 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 09:24:36,541 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:24:36,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:36,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:36,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:36,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:36,551 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 52 treesize of output 28 [2021-07-10 09:24:36,553 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-10 09:24:39,071 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification that was a NOOP. DAG size: 689 [2021-07-10 09:24:39,071 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:24:39,107 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:24:39,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:39,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:39,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:39,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:39,116 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 09:24:39,117 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-10 09:24:41,674 WARN L205 SmtUtils]: Spent 2.56 s on a formula simplification that was a NOOP. DAG size: 676 [2021-07-10 09:24:41,675 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:24:41,708 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:24:41,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:41,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:41,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:41,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:41,716 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:24:41,737 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 09:24:41,739 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-10 09:24:41,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:41,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:41,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:41,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:41,779 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 09:24:41,781 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-10 09:24:44,249 WARN L205 SmtUtils]: Spent 2.47 s on a formula simplification that was a NOOP. DAG size: 661 [2021-07-10 09:24:44,249 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:24:44,281 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:24:44,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:44,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:44,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:44,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:44,289 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:24:44,314 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 09:24:44,316 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-10 09:24:44,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:44,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:44,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:44,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:44,357 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 09:24:44,359 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-10 09:24:46,731 WARN L205 SmtUtils]: Spent 2.37 s on a formula simplification that was a NOOP. DAG size: 644 [2021-07-10 09:24:46,731 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:24:46,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:46,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:46,774 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:24:46,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:46,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:46,781 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:24:46,799 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 09:24:46,801 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-10 09:24:46,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:46,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:46,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:46,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:46,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 09:24:46,841 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-10 09:24:49,139 WARN L205 SmtUtils]: Spent 2.30 s on a formula simplification that was a NOOP. DAG size: 628 [2021-07-10 09:24:49,139 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:24:49,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:49,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:49,173 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:24:49,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:49,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:49,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-07-10 09:24:49,179 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-10 09:24:51,443 WARN L205 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 613 [2021-07-10 09:24:51,443 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:24:51,474 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:24:51,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:51,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:51,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:51,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:51,481 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:24:51,501 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 09:24:51,503 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-10 09:24:51,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:51,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:51,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:51,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:51,541 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 09:24:51,543 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-10 09:24:53,691 WARN L205 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 597 [2021-07-10 09:24:53,691 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:24:53,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:53,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:53,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:53,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:53,747 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 09:24:53,759 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-10 09:24:53,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:53,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:53,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:53,797 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:24:53,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:53,799 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 09:24:53,801 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-10 09:24:55,758 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 580 [2021-07-10 09:24:55,759 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:24:55,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:55,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:55,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:55,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:55,813 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 09:24:55,815 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-10 09:24:55,843 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:24:55,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:55,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:55,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:55,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:55,849 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 09:24:55,850 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-10 09:24:57,673 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 564 [2021-07-10 09:24:57,673 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:24:57,701 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:24:57,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:57,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:57,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:57,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:57,707 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:24:57,724 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 09:24:57,726 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-10 09:24:57,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:57,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:57,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:57,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:57,761 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 09:24:57,763 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-10 09:24:59,472 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 547 [2021-07-10 09:24:59,474 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:24:59,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:59,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:59,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:59,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:59,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:24:59,510 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:24:59,511 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 09:24:59,513 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:01,149 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 532 [2021-07-10 09:25:01,150 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:25:01,175 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:25:01,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:01,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:01,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:01,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:01,181 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 09:25:01,182 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:02,808 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 517 [2021-07-10 09:25:02,809 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:25:02,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:02,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:02,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:02,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:02,844 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:25:02,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:02,846 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 09:25:02,850 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:04,448 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 502 [2021-07-10 09:25:04,449 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:25:04,476 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:25:04,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:04,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:04,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:04,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:04,482 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 09:25:04,484 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:06,009 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 487 [2021-07-10 09:25:06,010 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:25:06,034 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:25:06,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:06,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:06,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:06,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:06,040 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 09:25:06,058 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:07,556 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 472 [2021-07-10 09:25:07,557 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:25:07,582 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:25:07,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:07,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:07,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:07,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:07,588 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:25:07,605 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 09:25:07,606 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:07,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:07,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:07,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:07,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:07,638 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 09:25:07,639 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:09,011 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 455 [2021-07-10 09:25:09,012 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:25:09,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:09,039 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:25:09,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:09,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:09,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:09,045 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:25:09,058 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 09:25:09,060 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:09,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:09,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:09,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:09,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:09,090 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 09:25:09,091 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:10,393 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 438 [2021-07-10 09:25:10,394 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:25:10,417 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:25:10,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:10,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:10,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:10,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:10,422 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 09:25:10,424 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:11,655 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 423 [2021-07-10 09:25:11,656 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:25:11,678 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:25:11,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:11,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:11,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:11,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:11,684 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 09:25:11,685 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:12,848 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 408 [2021-07-10 09:25:12,849 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:25:12,871 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:25:12,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:12,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:12,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:12,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:12,877 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:25:12,891 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 09:25:12,896 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:12,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:12,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:12,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:12,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:12,925 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 09:25:12,935 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:14,017 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 391 [2021-07-10 09:25:14,018 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:25:14,039 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:25:14,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:14,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:14,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:14,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:14,045 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 09:25:14,047 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:15,095 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 376 [2021-07-10 09:25:15,096 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:25:15,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:15,116 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:25:15,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:15,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:15,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:15,120 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 09:25:15,123 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:16,148 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 361 [2021-07-10 09:25:16,149 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:25:16,167 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:25:16,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:16,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:16,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:16,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:16,172 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 09:25:16,189 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:17,200 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 346 [2021-07-10 09:25:17,201 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:25:17,221 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:25:17,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:17,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:17,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:17,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:17,225 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:25:17,237 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 09:25:17,240 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:17,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:17,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:17,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:17,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:17,274 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 09:25:17,276 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:18,189 WARN L205 SmtUtils]: Spent 912.00 ms on a formula simplification that was a NOOP. DAG size: 329 [2021-07-10 09:25:18,190 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:25:18,208 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:25:18,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:18,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:18,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:18,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:18,212 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 09:25:18,214 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:19,083 WARN L205 SmtUtils]: Spent 869.00 ms on a formula simplification that was a NOOP. DAG size: 314 [2021-07-10 09:25:19,084 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:25:19,100 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:25:19,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:19,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:19,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:19,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:19,105 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 09:25:19,106 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:19,955 WARN L205 SmtUtils]: Spent 848.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2021-07-10 09:25:19,955 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:25:19,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:19,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:19,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:19,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:19,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:19,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:19,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:19,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:19,980 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:25:19,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:19,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:19,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:19,983 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 09:25:19,998 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:20,823 WARN L205 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2021-07-10 09:25:20,824 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:25:20,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:20,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:20,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:20,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:20,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:20,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:20,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:20,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:20,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:20,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:20,849 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 09:25:20,851 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:21,615 WARN L205 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 270 [2021-07-10 09:25:21,616 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:25:21,657 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 09:25:21,657 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 96 variables, input treesize:4005, output treesize:236 [2021-07-10 09:25:21,913 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 09:25:21,913 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [560682929] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:25:21,913 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 09:25:21,913 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-07-10 09:25:21,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466170596] [2021-07-10 09:25:21,916 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-07-10 09:25:21,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:25:21,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-07-10 09:25:21,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=895, Unknown=0, NotChecked=0, Total=992 [2021-07-10 09:25:21,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:25:21,918 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:25:21,918 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 09:25:21,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:25:21,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:25:21,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:25:21,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:25:21,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:25:21,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 09:25:21,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 09:25:21,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 09:25:21,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:25:22,865 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 43 [2021-07-10 09:25:23,478 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 58 [2021-07-10 09:25:23,845 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 65 [2021-07-10 09:25:24,169 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 66 [2021-07-10 09:25:24,560 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 72 [2021-07-10 09:25:24,975 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 85 [2021-07-10 09:25:26,162 WARN L205 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 134 [2021-07-10 09:25:26,661 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 93 [2021-07-10 09:25:29,621 WARN L205 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 265 DAG size of output: 123 [2021-07-10 09:25:34,811 WARN L205 SmtUtils]: Spent 4.88 s on a formula simplification. DAG size of input: 568 DAG size of output: 304 [2021-07-10 09:25:37,624 WARN L205 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 185 DAG size of output: 130 [2021-07-10 09:25:38,468 WARN L205 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 173 [2021-07-10 09:25:38,736 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 62 [2021-07-10 09:25:39,307 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-07-10 09:25:40,219 WARN L205 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 175 [2021-07-10 09:25:40,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:25:40,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:25:40,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:25:40,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:25:40,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:25:40,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 09:25:40,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 09:25:40,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 09:25:40,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 09:25:40,499 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable501 [2021-07-10 09:25:40,500 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:25:40,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:25:40,500 INFO L82 PathProgramCache]: Analyzing trace with hash 931633578, now seen corresponding path program 6 times [2021-07-10 09:25:40,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:25:40,500 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643315065] [2021-07-10 09:25:40,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:25:40,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:25:40,654 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 09:25:40,654 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:25:40,654 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643315065] [2021-07-10 09:25:40,654 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643315065] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:25:40,655 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1367625434] [2021-07-10 09:25:40,655 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 09:25:40,711 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-10 09:25:40,711 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 09:25:40,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-10 09:25:40,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 09:25:40,978 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 09:25:40,978 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1367625434] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:25:40,978 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 09:25:40,978 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-07-10 09:25:40,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753576527] [2021-07-10 09:25:40,979 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-10 09:25:40,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:25:40,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-10 09:25:40,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-07-10 09:25:40,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:25:40,980 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:25:40,980 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 09:25:40,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:25:40,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:25:40,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:25:40,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:25:40,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:25:40,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 09:25:40,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 09:25:40,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 09:25:40,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 09:25:40,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:25:41,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:25:41,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:25:41,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:25:41,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:25:41,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:25:41,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 09:25:41,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 09:25:41,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 09:25:41,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 09:25:41,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 09:25:41,480 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable657,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 09:25:41,481 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:25:41,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:25:41,481 INFO L82 PathProgramCache]: Analyzing trace with hash -607915832, now seen corresponding path program 7 times [2021-07-10 09:25:41,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:25:41,482 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236772066] [2021-07-10 09:25:41,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:25:41,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:25:44,191 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 63 [2021-07-10 09:25:44,361 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 30 [2021-07-10 09:26:15,405 WARN L205 SmtUtils]: Spent 31.04 s on a formula simplification. DAG size of input: 238 DAG size of output: 216 [2021-07-10 09:26:15,818 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 48 [2021-07-10 09:27:41,374 WARN L205 SmtUtils]: Spent 1.43 m on a formula simplification. DAG size of input: 348 DAG size of output: 382 [2021-07-10 09:27:42,556 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 382 DAG size of output: 81 [2021-07-10 09:30:06,446 WARN L205 SmtUtils]: Spent 2.40 m on a formula simplification. DAG size of input: 481 DAG size of output: 508 [2021-07-10 09:30:06,578 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 508 DAG size of output: 508 [2021-07-10 09:30:08,286 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 504 DAG size of output: 116 [2021-07-10 09:33:28,948 WARN L205 SmtUtils]: Spent 3.34 m on a formula simplification. DAG size of input: 567 DAG size of output: 750 [2021-07-10 09:33:32,835 WARN L205 SmtUtils]: Spent 3.66 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