/usr/bin/java -Xmx16000000000 -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-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 10:41:13,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 10:41:13,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 10:41:13,915 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 10:41:13,965 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 10:41:13,965 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 10:41:13,966 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 10:41:13,975 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-DelaySleep-NoLbe.epf [2021-06-06 10:41:14,004 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 10:41:14,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 10:41:14,005 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 10:41:14,005 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 10:41:14,007 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 10:41:14,007 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 10:41:14,008 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 10:41:14,008 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 10:41:14,008 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 10:41:14,008 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 10:41:14,009 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 10:41:14,009 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 10:41:14,009 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 10:41:14,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 10:41:14,009 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 10:41:14,010 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 10:41:14,010 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 10:41:14,010 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 10:41:14,010 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 10:41:14,010 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 10:41:14,010 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 10:41:14,011 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 10:41:14,011 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 10:41:14,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 10:41:14,011 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 10:41:14,011 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 10:41:14,011 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 10:41:14,011 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 10:41:14,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 10:41:14,012 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 10:41:14,012 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 10:41:14,012 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 10:41:14,012 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 10:41:14,013 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 10:41:14,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 10:41:14,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 10:41:14,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 10:41:14,342 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 10:41:14,343 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 10:41:14,344 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl [2021-06-06 10:41:14,344 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl' [2021-06-06 10:41:14,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 10:41:14,390 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 10:41:14,391 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 10:41:14,391 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 10:41:14,391 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 10:41:14,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:41:14" (1/1) ... [2021-06-06 10:41:14,410 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:41:14" (1/1) ... [2021-06-06 10:41:14,417 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 10:41:14,419 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 10:41:14,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 10:41:14,419 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 10:41:14,425 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:41:14" (1/1) ... [2021-06-06 10:41:14,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:41:14" (1/1) ... [2021-06-06 10:41:14,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:41:14" (1/1) ... [2021-06-06 10:41:14,428 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:41:14" (1/1) ... [2021-06-06 10:41:14,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:41:14" (1/1) ... [2021-06-06 10:41:14,439 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:41:14" (1/1) ... [2021-06-06 10:41:14,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:41:14" (1/1) ... [2021-06-06 10:41:14,443 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 10:41:14,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 10:41:14,446 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 10:41:14,446 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 10:41:14,447 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:41:14" (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 [2021-06-06 10:41:14,519 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 10:41:14,519 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 10:41:14,520 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 10:41:14,520 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 10:41:14,520 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 10:41:14,520 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 10:41:14,520 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 10:41:14,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 10:41:14,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 10:41:14,522 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 10:41:14,522 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 10:41:14,522 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 10:41:14,523 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 10:41:14,770 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 10:41:14,770 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 10:41:14,772 INFO L202 PluginConnector]: Adding new model prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 10:41:14 BoogieIcfgContainer [2021-06-06 10:41:14,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 10:41:14,773 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 10:41:14,773 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 10:41:14,775 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 10:41:14,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:41:14" (1/2) ... [2021-06-06 10:41:14,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@722d43ac and model type prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 10:41:14, skipping insertion in model container [2021-06-06 10:41:14,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 10:41:14" (2/2) ... [2021-06-06 10:41:14,777 INFO L111 eAbstractionObserver]: Analyzing ICFG prod-cons-eq.wvr.bpl [2021-06-06 10:41:14,794 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 10:41:14,794 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 10:41:14,794 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 10:41:14,795 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 10:41:14,873 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-06 10:41:14,890 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 [2021-06-06 10:41:14,926 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 10:41:14,926 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 10:41:14,926 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 10:41:14,926 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 10:41:14,926 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 10:41:14,926 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 10:41:14,927 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 10:41:14,927 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 10:41:15,001 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:41:15,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:41:15,006 INFO L82 PathProgramCache]: Analyzing trace with hash 996154649, now seen corresponding path program 1 times [2021-06-06 10:41:15,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:41:15,013 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219758517] [2021-06-06 10:41:15,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:41:15,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:41:15,125 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-06 10:41:15,126 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:41:15,126 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219758517] [2021-06-06 10:41:15,126 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219758517] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 10:41:15,127 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 10:41:15,127 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-06 10:41:15,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310236348] [2021-06-06 10:41:15,131 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 10:41:15,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:41:15,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 10:41:15,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 10:41:15,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:41:15,144 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:41:15,145 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 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) [2021-06-06 10:41:15,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:41:15,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:15,164 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 10:41:15,164 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:41:15,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:41:15,165 INFO L82 PathProgramCache]: Analyzing trace with hash 626727670, now seen corresponding path program 1 times [2021-06-06 10:41:15,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:41:15,165 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926668161] [2021-06-06 10:41:15,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:41:15,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:41:15,278 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:41:15,278 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:41:15,279 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926668161] [2021-06-06 10:41:15,279 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926668161] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:41:15,279 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760069652] [2021-06-06 10:41:15,279 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 [2021-06-06 10:41:15,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:41:15,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-06 10:41:15,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:41:15,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 10:41:15,494 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:41:15,497 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:15,497 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:41:15,498 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2021-06-06 10:41:15,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-06-06 10:41:15,531 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-06 10:41:15,535 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:15,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-06-06 10:41:15,540 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 10:41:15,541 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:15,542 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:41:15,542 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:19, output treesize:3 [2021-06-06 10:41:15,558 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:41:15,559 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [760069652] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:41:15,559 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:41:15,559 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-06-06 10:41:15,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130549551] [2021-06-06 10:41:15,582 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 10:41:15,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:41:15,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 10:41:15,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-06 10:41:15,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:41:15,591 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:41:15,592 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 6 states have internal predecessors, (27), 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) [2021-06-06 10:41:15,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:15,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:41:15,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:15,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:41:15,892 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:41:15,893 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:41:15,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:41:15,894 INFO L82 PathProgramCache]: Analyzing trace with hash -536046897, now seen corresponding path program 2 times [2021-06-06 10:41:15,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:41:15,894 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688515516] [2021-06-06 10:41:15,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:41:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:41:15,931 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-06 10:41:15,931 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:41:15,931 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688515516] [2021-06-06 10:41:15,932 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688515516] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 10:41:15,932 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 10:41:15,932 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 10:41:15,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279593843] [2021-06-06 10:41:15,934 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 10:41:15,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:41:15,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 10:41:15,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 10:41:15,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:41:15,937 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:41:15,937 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2021-06-06 10:41:15,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:15,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:41:15,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:41:15,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:15,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:41:15,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:15,979 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-06 10:41:15,980 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:41:15,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:41:15,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1533566290, now seen corresponding path program 3 times [2021-06-06 10:41:15,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:41:15,980 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873177694] [2021-06-06 10:41:15,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:41:15,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:41:16,022 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 10:41:16,022 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:41:16,022 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873177694] [2021-06-06 10:41:16,023 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873177694] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:41:16,023 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [368567668] [2021-06-06 10:41:16,023 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 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 [2021-06-06 10:41:16,063 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-06 10:41:16,064 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:41:16,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-06 10:41:16,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:41:16,141 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 10:41:16,141 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [368567668] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:41:16,142 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:41:16,142 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3] total 5 [2021-06-06 10:41:16,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070476567] [2021-06-06 10:41:16,143 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-06 10:41:16,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:41:16,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-06 10:41:16,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-06-06 10:41:16,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:41:16,143 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:41:16,144 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 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) [2021-06-06 10:41:16,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:16,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:41:16,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:16,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:41:16,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:16,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:41:16,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:16,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 10:41:16,395 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:41:16,396 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:41:16,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:41:16,396 INFO L82 PathProgramCache]: Analyzing trace with hash 231487983, now seen corresponding path program 4 times [2021-06-06 10:41:16,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:41:16,397 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535528104] [2021-06-06 10:41:16,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:41:16,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:41:16,494 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-06 10:41:16,494 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:41:16,494 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535528104] [2021-06-06 10:41:16,494 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535528104] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:41:16,495 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [392549412] [2021-06-06 10:41:16,495 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 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 [2021-06-06 10:41:16,534 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 10:41:16,535 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:41:16,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-06 10:41:16,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:41:16,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-06-06 10:41:16,628 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:41:16,629 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:16,630 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:41:16,630 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:4 [2021-06-06 10:41:16,644 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-06 10:41:16,645 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [392549412] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:41:16,647 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:41:16,647 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 9 [2021-06-06 10:41:16,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630689338] [2021-06-06 10:41:16,647 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-06 10:41:16,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:41:16,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-06 10:41:16,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-06-06 10:41:16,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:41:16,650 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:41:16,650 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 3.3) internal successors, (33), 9 states have internal predecessors, (33), 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) [2021-06-06 10:41:16,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:16,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:41:16,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:16,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 10:41:16,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:41:16,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:16,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:41:16,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:16,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 10:41:16,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:41:17,109 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:41:17,109 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:41:17,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:41:17,109 INFO L82 PathProgramCache]: Analyzing trace with hash 2015419596, now seen corresponding path program 5 times [2021-06-06 10:41:17,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:41:17,110 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022137649] [2021-06-06 10:41:17,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:41:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:41:17,330 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:41:17,330 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:41:17,331 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022137649] [2021-06-06 10:41:17,331 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022137649] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:41:17,331 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744816997] [2021-06-06 10:41:17,331 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 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 [2021-06-06 10:41:17,391 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-06 10:41:17,391 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:41:17,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-06 10:41:17,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:41:17,711 INFO L354 Elim1Store]: treesize reduction 32, result has 8.6 percent of original size [2021-06-06 10:41:17,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 27 [2021-06-06 10:41:17,713 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:41:17,718 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:17,719 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:41:17,720 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:45, output treesize:17 [2021-06-06 10:41:17,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2021-06-06 10:41:17,768 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:41:17,772 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:17,774 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 10:41:17,774 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:32, output treesize:25 [2021-06-06 10:41:17,829 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:17,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 31 [2021-06-06 10:41:17,852 INFO L550 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 10:41:17,861 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:17,874 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:17,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-06-06 10:41:17,877 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 10:41:17,882 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:17,884 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:41:17,884 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:31, output treesize:3 [2021-06-06 10:41:17,899 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:41:17,899 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1744816997] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:41:17,899 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:41:17,901 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 17 [2021-06-06 10:41:17,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426855881] [2021-06-06 10:41:17,903 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-06 10:41:17,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:41:17,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-06 10:41:17,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2021-06-06 10:41:17,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:41:17,906 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:41:17,906 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 3.0) internal successors, (54), 17 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 10:41:17,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:17,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:41:17,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:17,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 10:41:17,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:41:17,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:41:18,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:18,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:41:18,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:18,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 10:41:18,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:41:18,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 10:41:18,388 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-06-06 10:41:18,389 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:41:18,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:41:18,389 INFO L82 PathProgramCache]: Analyzing trace with hash 289703755, now seen corresponding path program 6 times [2021-06-06 10:41:18,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:41:18,389 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822215959] [2021-06-06 10:41:18,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:41:18,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:41:18,508 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-06 10:41:18,509 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:41:18,509 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822215959] [2021-06-06 10:41:18,509 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822215959] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:41:18,509 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791623110] [2021-06-06 10:41:18,509 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 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 [2021-06-06 10:41:18,558 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-06 10:41:18,559 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:41:18,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-06 10:41:18,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:41:18,688 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:18,689 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 19 [2021-06-06 10:41:18,692 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:41:18,693 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:18,694 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:41:18,694 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:4 [2021-06-06 10:41:18,705 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-06 10:41:18,705 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1791623110] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:41:18,705 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:41:18,705 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 13 [2021-06-06 10:41:18,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591013029] [2021-06-06 10:41:18,706 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-06 10:41:18,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:41:18,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-06 10:41:18,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-06-06 10:41:18,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:41:18,707 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:41:18,707 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 13 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 10:41:18,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:18,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:41:18,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:18,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 10:41:18,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:41:18,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 10:41:18,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:41:19,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:19,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:41:19,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:19,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 10:41:19,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:41:19,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 10:41:19,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:41:19,500 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:41:19,501 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:41:19,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:41:19,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1102781480, now seen corresponding path program 7 times [2021-06-06 10:41:19,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:41:19,501 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223725822] [2021-06-06 10:41:19,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:41:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:41:19,837 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:41:19,838 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:41:19,838 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223725822] [2021-06-06 10:41:19,838 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223725822] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:41:19,838 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [646211673] [2021-06-06 10:41:19,838 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-06-06 10:41:19,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:41:19,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-06 10:41:19,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:41:20,033 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-06-06 10:41:20,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 37 [2021-06-06 10:41:20,035 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:41:20,037 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:20,037 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:41:20,037 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:57, output treesize:27 [2021-06-06 10:41:20,195 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:20,195 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 51 [2021-06-06 10:41:20,204 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-06 10:41:20,212 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:20,235 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-06 10:41:20,235 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:52, output treesize:45 [2021-06-06 10:41:20,437 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:20,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 47 [2021-06-06 10:41:20,483 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-06 10:41:20,491 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:20,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 39 [2021-06-06 10:41:20,508 INFO L550 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 10:41:20,528 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:20,553 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:20,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 49 [2021-06-06 10:41:20,574 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 10:41:20,592 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:20,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 45 [2021-06-06 10:41:20,606 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 10:41:20,630 INFO L628 ElimStorePlain]: treesize reduction 13, result has 64.9 percent of original size [2021-06-06 10:41:20,633 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:41:20,633 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:91, output treesize:3 [2021-06-06 10:41:20,647 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:41:20,647 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [646211673] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:41:20,647 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:41:20,647 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 22 [2021-06-06 10:41:20,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813916190] [2021-06-06 10:41:20,648 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-06 10:41:20,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:41:20,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-06 10:41:20,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2021-06-06 10:41:20,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:41:20,649 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:41:20,649 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.652173913043478) internal successors, (61), 22 states have internal predecessors, (61), 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) [2021-06-06 10:41:20,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:20,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:41:20,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:20,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 10:41:20,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:41:20,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 10:41:20,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:41:20,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:41:21,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:21,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:41:21,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:21,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 10:41:21,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:41:21,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 10:41:21,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:41:21,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 10:41:21,268 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-06-06 10:41:21,269 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:41:21,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:41:21,269 INFO L82 PathProgramCache]: Analyzing trace with hash 1647027594, now seen corresponding path program 8 times [2021-06-06 10:41:21,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:41:21,270 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104449600] [2021-06-06 10:41:21,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:41:21,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:41:21,351 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 16 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-06-06 10:41:21,352 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:41:21,352 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104449600] [2021-06-06 10:41:21,352 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104449600] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:41:21,352 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1862663748] [2021-06-06 10:41:21,352 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 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 [2021-06-06 10:41:21,401 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 10:41:21,401 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:41:21,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-06 10:41:21,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:41:21,471 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 16 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-06-06 10:41:21,472 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1862663748] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:41:21,472 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:41:21,472 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 9 [2021-06-06 10:41:21,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435520338] [2021-06-06 10:41:21,472 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-06 10:41:21,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:41:21,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-06 10:41:21,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2021-06-06 10:41:21,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:41:21,473 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:41:21,473 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 9 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) [2021-06-06 10:41:21,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:21,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:41:21,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:21,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 10:41:21,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:41:21,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 10:41:21,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:41:21,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 10:41:21,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:41:21,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:21,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:41:21,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:21,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 10:41:21,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:41:21,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 10:41:21,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:41:21,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 10:41:21,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 10:41:21,731 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-06-06 10:41:21,731 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:41:21,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:41:21,732 INFO L82 PathProgramCache]: Analyzing trace with hash 836243879, now seen corresponding path program 9 times [2021-06-06 10:41:21,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:41:21,732 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46594808] [2021-06-06 10:41:21,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:41:21,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:41:21,864 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-06-06 10:41:21,864 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:41:21,864 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46594808] [2021-06-06 10:41:21,864 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46594808] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:41:21,864 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2057162918] [2021-06-06 10:41:21,864 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 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 [2021-06-06 10:41:21,918 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-06 10:41:21,918 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:41:21,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-06 10:41:21,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:41:22,124 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:22,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 38 [2021-06-06 10:41:22,141 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:41:22,143 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:22,143 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:41:22,143 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:4 [2021-06-06 10:41:22,155 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-06-06 10:41:22,155 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2057162918] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:41:22,155 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:41:22,155 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 16 [2021-06-06 10:41:22,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843332244] [2021-06-06 10:41:22,155 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 10:41:22,155 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:41:22,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 10:41:22,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2021-06-06 10:41:22,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:41:22,156 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:41:22,156 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 3.5294117647058822) internal successors, (60), 16 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 10:41:22,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:22,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:41:22,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:22,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 10:41:22,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:41:22,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 10:41:22,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:41:22,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 10:41:22,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 10:41:22,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:41:22,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:22,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:41:22,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:22,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 10:41:22,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:41:22,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 10:41:22,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:41:22,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 10:41:22,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 10:41:22,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:41:22,963 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:41:22,964 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:41:22,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:41:22,964 INFO L82 PathProgramCache]: Analyzing trace with hash 2122979460, now seen corresponding path program 10 times [2021-06-06 10:41:22,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:41:22,965 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586839817] [2021-06-06 10:41:22,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:41:22,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:41:23,402 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:41:23,402 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:41:23,403 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586839817] [2021-06-06 10:41:23,403 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586839817] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:41:23,403 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [999934603] [2021-06-06 10:41:23,403 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:41:23,465 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 10:41:23,466 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:41:23,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 55 conjunts are in the unsatisfiable core [2021-06-06 10:41:23,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:41:23,703 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-06-06 10:41:23,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 80 treesize of output 52 [2021-06-06 10:41:23,705 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:41:23,707 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:23,707 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:41:23,707 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:80, output treesize:39 [2021-06-06 10:41:24,068 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:24,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 76 treesize of output 82 [2021-06-06 10:41:24,134 INFO L550 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 10:41:24,149 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:24,238 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-06 10:41:24,238 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:76, output treesize:73 [2021-06-06 10:41:25,027 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:25,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 47 [2021-06-06 10:41:25,040 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-06 10:41:25,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 39 [2021-06-06 10:41:25,047 INFO L550 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 10:41:25,059 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:25,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 47 [2021-06-06 10:41:25,067 INFO L550 ElimStorePlain]: Start of recursive call 4: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 10:41:25,082 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:25,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 47 [2021-06-06 10:41:25,092 INFO L550 ElimStorePlain]: Start of recursive call 5: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-06 10:41:25,115 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:25,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 63 [2021-06-06 10:41:25,235 INFO L550 ElimStorePlain]: Start of recursive call 6: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-06 10:41:25,310 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:25,370 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:25,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 88 [2021-06-06 10:41:25,531 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 10:41:25,570 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:25,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 84 [2021-06-06 10:41:25,658 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 10:41:25,700 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:25,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 76 [2021-06-06 10:41:25,750 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 10:41:25,761 INFO L354 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2021-06-06 10:41:25,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 16 [2021-06-06 10:41:25,763 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 10:41:25,832 INFO L354 Elim1Store]: treesize reduction 4, result has 94.2 percent of original size [2021-06-06 10:41:25,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 80 [2021-06-06 10:41:25,900 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 10:41:25,940 INFO L628 ElimStorePlain]: treesize reduction 74, result has 26.7 percent of original size [2021-06-06 10:41:25,942 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:41:25,943 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 7 variables, input treesize:308, output treesize:3 [2021-06-06 10:41:25,954 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:41:25,954 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [999934603] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:41:25,954 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:41:25,955 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20] total 30 [2021-06-06 10:41:25,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919243061] [2021-06-06 10:41:25,956 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-06 10:41:25,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:41:25,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-06 10:41:25,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=846, Unknown=0, NotChecked=0, Total=930 [2021-06-06 10:41:25,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:41:25,957 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:41:25,957 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.4838709677419355) internal successors, (77), 30 states have internal predecessors, (77), 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) [2021-06-06 10:41:25,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:25,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:41:25,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:25,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 10:41:25,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:41:25,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 10:41:25,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:41:25,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 10:41:25,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 10:41:25,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:41:25,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:41:26,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:26,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:41:26,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:26,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 10:41:26,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:41:26,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 10:41:26,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:41:26,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 10:41:26,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 10:41:26,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:41:26,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:41:26,737 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:41:26,737 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:41:26,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:41:26,737 INFO L82 PathProgramCache]: Analyzing trace with hash 1902353702, now seen corresponding path program 11 times [2021-06-06 10:41:26,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:41:26,738 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825353354] [2021-06-06 10:41:26,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:41:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:41:26,836 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 25 proven. 28 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-06-06 10:41:26,836 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:41:26,836 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825353354] [2021-06-06 10:41:26,836 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825353354] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:41:26,836 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007111342] [2021-06-06 10:41:26,837 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:41:26,881 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-06 10:41:26,881 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:41:26,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-06 10:41:26,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:41:26,967 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 25 proven. 28 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-06-06 10:41:26,967 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007111342] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:41:26,967 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:41:26,967 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6] total 11 [2021-06-06 10:41:26,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668030808] [2021-06-06 10:41:26,967 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-06 10:41:26,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:41:26,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-06 10:41:26,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2021-06-06 10:41:26,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:41:26,968 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:41:26,968 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 10:41:26,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:26,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:41:26,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:26,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 10:41:26,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:41:26,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 10:41:26,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:41:26,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 10:41:26,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 10:41:26,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:41:26,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:41:26,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:41:27,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:27,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:41:27,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:27,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 10:41:27,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:41:27,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 10:41:27,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:41:27,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 10:41:27,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 10:41:27,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:41:27,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:41:27,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:41:27,235 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable271 [2021-06-06 10:41:27,235 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:41:27,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:41:27,236 INFO L82 PathProgramCache]: Analyzing trace with hash -211728125, now seen corresponding path program 12 times [2021-06-06 10:41:27,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:41:27,236 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608407133] [2021-06-06 10:41:27,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:41:27,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:41:27,378 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 73 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-06-06 10:41:27,378 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:41:27,378 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608407133] [2021-06-06 10:41:27,378 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608407133] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:41:27,378 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435292671] [2021-06-06 10:41:27,378 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:41:27,426 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-06-06 10:41:27,426 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:41:27,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-06 10:41:27,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:41:27,674 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:27,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 24 treesize of output 65 [2021-06-06 10:41:27,704 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:41:27,705 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:27,706 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:41:27,706 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:24, output treesize:4 [2021-06-06 10:41:27,716 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 73 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-06-06 10:41:27,716 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [435292671] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:41:27,716 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:41:27,716 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 19 [2021-06-06 10:41:27,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529961963] [2021-06-06 10:41:27,717 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-06 10:41:27,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:41:27,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-06 10:41:27,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=336, Unknown=0, NotChecked=0, Total=380 [2021-06-06 10:41:27,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:41:27,719 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:41:27,719 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 3.6) internal successors, (72), 19 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 10:41:27,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:27,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:41:27,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:27,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 10:41:27,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:41:27,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 10:41:27,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:41:27,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 10:41:27,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 10:41:27,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:41:27,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:41:27,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:41:27,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:41:28,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:28,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:41:28,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:28,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 10:41:28,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:41:28,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 10:41:28,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:41:28,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 10:41:28,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 10:41:28,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:41:28,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:41:28,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:41:28,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 10:41:28,666 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable272,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:41:28,666 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:41:28,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:41:28,667 INFO L82 PathProgramCache]: Analyzing trace with hash 1605386720, now seen corresponding path program 13 times [2021-06-06 10:41:28,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:41:28,667 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207203927] [2021-06-06 10:41:28,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:41:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:41:29,371 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:41:29,372 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:41:29,372 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207203927] [2021-06-06 10:41:29,372 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207203927] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:41:29,372 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1428060575] [2021-06-06 10:41:29,372 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:41:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:41:29,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 69 conjunts are in the unsatisfiable core [2021-06-06 10:41:29,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:41:29,706 INFO L354 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2021-06-06 10:41:29,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 105 treesize of output 69 [2021-06-06 10:41:29,707 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:41:29,709 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:29,710 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:41:29,710 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:105, output treesize:53 [2021-06-06 10:41:30,404 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:30,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 104 treesize of output 121 [2021-06-06 10:41:30,748 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-06 10:41:30,774 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:31,507 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-06 10:41:31,507 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:104, output treesize:109 [2021-06-06 10:41:32,908 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-06-06 10:41:33,972 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-06-06 10:41:35,292 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-06-06 10:41:35,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 47 [2021-06-06 10:41:35,318 INFO L550 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 10:41:35,332 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:35,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 55 [2021-06-06 10:41:35,341 INFO L550 ElimStorePlain]: Start of recursive call 3: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-06 10:41:35,358 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:35,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 55 [2021-06-06 10:41:35,368 INFO L550 ElimStorePlain]: Start of recursive call 4: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-06 10:41:35,405 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:35,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 67 treesize of output 79 [2021-06-06 10:41:35,646 INFO L550 ElimStorePlain]: Start of recursive call 5: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-06 10:41:35,663 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:35,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 55 [2021-06-06 10:41:35,671 INFO L550 ElimStorePlain]: Start of recursive call 6: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 10:41:35,692 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:35,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 55 [2021-06-06 10:41:35,704 INFO L550 ElimStorePlain]: Start of recursive call 7: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-06 10:41:35,724 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:35,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 55 [2021-06-06 10:41:35,735 INFO L550 ElimStorePlain]: Start of recursive call 8: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-06 10:41:35,761 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:35,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 55 [2021-06-06 10:41:35,772 INFO L550 ElimStorePlain]: Start of recursive call 9: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-06 10:41:35,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 47 [2021-06-06 10:41:35,787 INFO L550 ElimStorePlain]: Start of recursive call 10: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-06 10:41:35,943 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-06-06 10:41:35,943 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:36,026 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:36,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 139 [2021-06-06 10:41:36,582 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 183 [2021-06-06 10:41:37,952 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 10:41:38,020 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:38,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 115 [2021-06-06 10:41:38,143 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 10:41:38,162 INFO L354 Elim1Store]: treesize reduction 108, result has 0.9 percent of original size [2021-06-06 10:41:38,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 19 [2021-06-06 10:41:38,165 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 10:41:38,181 INFO L354 Elim1Store]: treesize reduction 116, result has 0.9 percent of original size [2021-06-06 10:41:38,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 19 [2021-06-06 10:41:38,183 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 10:41:38,201 INFO L354 Elim1Store]: treesize reduction 116, result has 0.9 percent of original size [2021-06-06 10:41:38,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 19 [2021-06-06 10:41:38,204 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 10:41:38,219 INFO L354 Elim1Store]: treesize reduction 116, result has 0.9 percent of original size [2021-06-06 10:41:38,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 19 [2021-06-06 10:41:38,221 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 10:41:38,235 INFO L354 Elim1Store]: treesize reduction 108, result has 0.9 percent of original size [2021-06-06 10:41:38,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 19 [2021-06-06 10:41:38,237 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 10:41:38,247 INFO L354 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2021-06-06 10:41:38,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 19 [2021-06-06 10:41:38,249 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 10:41:38,336 INFO L354 Elim1Store]: treesize reduction 8, result has 92.9 percent of original size [2021-06-06 10:41:38,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 123 [2021-06-06 10:41:38,466 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 10:41:38,534 INFO L628 ElimStorePlain]: treesize reduction 175, result has 24.9 percent of original size [2021-06-06 10:41:38,537 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:41:38,537 INFO L247 ElimStorePlain]: Needed 19 recursive calls to eliminate 8 variables, input treesize:720, output treesize:3 [2021-06-06 10:41:38,547 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:41:38,547 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1428060575] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:41:38,547 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:41:38,547 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 38 [2021-06-06 10:41:38,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961006251] [2021-06-06 10:41:38,548 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-06-06 10:41:38,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:41:38,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-06-06 10:41:38,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=1375, Unknown=0, NotChecked=0, Total=1482 [2021-06-06 10:41:38,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:41:38,549 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:41:38,549 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 2.3846153846153846) internal successors, (93), 38 states have internal predecessors, (93), 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) [2021-06-06 10:41:38,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:38,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:41:38,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:38,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 10:41:38,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:41:38,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 10:41:38,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:41:38,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 10:41:38,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 10:41:38,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:41:38,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:41:38,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:41:38,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 10:41:38,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:41:39,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:39,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:41:39,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:39,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 10:41:39,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:41:39,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 10:41:39,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:41:39,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 10:41:39,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 10:41:39,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:41:39,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:41:39,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:41:39,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 10:41:39,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 10:41:39,993 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable283 [2021-06-06 10:41:39,993 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:41:39,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:41:39,993 INFO L82 PathProgramCache]: Analyzing trace with hash 1329619394, now seen corresponding path program 14 times [2021-06-06 10:41:39,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:41:39,993 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775337428] [2021-06-06 10:41:39,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:41:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:41:40,085 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 36 proven. 45 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-06-06 10:41:40,085 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:41:40,085 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775337428] [2021-06-06 10:41:40,085 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775337428] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:41:40,085 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [187856698] [2021-06-06 10:41:40,085 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:41:40,128 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 10:41:40,128 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:41:40,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-06 10:41:40,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:41:40,213 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 36 proven. 45 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-06-06 10:41:40,213 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [187856698] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:41:40,214 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:41:40,214 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7] total 13 [2021-06-06 10:41:40,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089578257] [2021-06-06 10:41:40,215 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-06 10:41:40,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:41:40,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-06 10:41:40,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=106, Unknown=0, NotChecked=0, Total=182 [2021-06-06 10:41:40,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:41:40,215 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:41:40,216 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 13 states have internal predecessors, (66), 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) [2021-06-06 10:41:40,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:40,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:41:40,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:40,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 10:41:40,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:41:40,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 10:41:40,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:41:40,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 10:41:40,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 10:41:40,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:41:40,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:41:40,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:41:40,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 10:41:40,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 10:41:40,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:41:40,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:40,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:41:40,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:40,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 10:41:40,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:41:40,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 10:41:40,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:41:40,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 10:41:40,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 10:41:40,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:41:40,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:41:40,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:41:40,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 10:41:40,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 10:41:40,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:41:40,505 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1658,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:41:40,505 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:41:40,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:41:40,506 INFO L82 PathProgramCache]: Analyzing trace with hash -2049794721, now seen corresponding path program 15 times [2021-06-06 10:41:40,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:41:40,506 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148833826] [2021-06-06 10:41:40,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:41:40,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:41:40,660 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-06-06 10:41:40,660 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:41:40,661 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148833826] [2021-06-06 10:41:40,661 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148833826] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:41:40,661 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136413522] [2021-06-06 10:41:40,661 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:41:40,705 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-06-06 10:41:40,705 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:41:40,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-06 10:41:40,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:41:41,034 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:41,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 28 treesize of output 100 [2021-06-06 10:41:41,100 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:41:41,102 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:41,102 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:41:41,102 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:4 [2021-06-06 10:41:41,110 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-06-06 10:41:41,110 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136413522] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:41:41,110 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:41:41,110 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15] total 22 [2021-06-06 10:41:41,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490957955] [2021-06-06 10:41:41,111 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-06 10:41:41,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:41:41,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-06 10:41:41,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=455, Unknown=0, NotChecked=0, Total=506 [2021-06-06 10:41:41,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:41:41,112 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:41:41,112 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 3.652173913043478) internal successors, (84), 22 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 10:41:41,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:41,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:41:41,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:41,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 10:41:41,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:41:41,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 10:41:41,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:41:41,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 10:41:41,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 10:41:41,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:41:41,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:41:41,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:41:41,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 10:41:41,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 10:41:41,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:41:41,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:41:41,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:41,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:41:41,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:41:41,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 10:41:41,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:41:41,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 10:41:41,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:41:41,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 10:41:41,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 10:41:41,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:41:41,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:41:41,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:41:41,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 10:41:41,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 10:41:41,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:41:41,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 10:41:42,092 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1659,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:41:42,093 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:41:42,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:41:42,093 INFO L82 PathProgramCache]: Analyzing trace with hash -160954308, now seen corresponding path program 16 times [2021-06-06 10:41:42,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:41:42,093 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295456527] [2021-06-06 10:41:42,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:41:42,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:41:42,934 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:41:42,934 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:41:42,934 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295456527] [2021-06-06 10:41:42,934 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295456527] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:41:42,934 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080279710] [2021-06-06 10:41:42,934 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:41:42,973 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 10:41:42,973 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:41:42,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 83 conjunts are in the unsatisfiable core [2021-06-06 10:41:42,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:41:43,382 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-06-06 10:41:43,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 132 treesize of output 88 [2021-06-06 10:41:43,384 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:41:43,387 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:43,387 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:41:43,387 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:132, output treesize:69 [2021-06-06 10:41:44,408 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:44,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 136 treesize of output 168 [2021-06-06 10:41:46,128 INFO L550 ElimStorePlain]: Start of recursive call 2: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-06 10:41:46,169 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:41:48,051 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-06-06 10:41:48,051 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:136, output treesize:153 [2021-06-06 10:41:53,938 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2021-06-06 10:41:57,266 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2021-06-06 10:42:00,843 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2021-06-06 10:42:00,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 55 [2021-06-06 10:42:00,897 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-06 10:42:00,911 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:42:00,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-06-06 10:42:00,916 INFO L550 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 10:42:00,930 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:42:00,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-06-06 10:42:00,936 INFO L550 ElimStorePlain]: Start of recursive call 4: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-06 10:42:00,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 55 [2021-06-06 10:42:00,947 INFO L550 ElimStorePlain]: Start of recursive call 5: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 10:42:00,962 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:42:00,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-06-06 10:42:00,969 INFO L550 ElimStorePlain]: Start of recursive call 6: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-06 10:42:00,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 55 [2021-06-06 10:42:00,982 INFO L550 ElimStorePlain]: Start of recursive call 7: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-06 10:42:01,004 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:42:01,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-06-06 10:42:01,012 INFO L550 ElimStorePlain]: Start of recursive call 8: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-06 10:42:01,036 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:42:01,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-06-06 10:42:01,043 INFO L550 ElimStorePlain]: Start of recursive call 9: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-06 10:42:01,070 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:42:01,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-06-06 10:42:01,078 INFO L550 ElimStorePlain]: Start of recursive call 10: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-06 10:42:01,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 55 [2021-06-06 10:42:01,092 INFO L550 ElimStorePlain]: Start of recursive call 11: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-06 10:42:01,117 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:42:01,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-06-06 10:42:01,126 INFO L550 ElimStorePlain]: Start of recursive call 12: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-06 10:42:01,200 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:42:01,200 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 6 new quantified variables, introduced 5 case distinctions, treesize of input 79 treesize of output 95 [2021-06-06 10:42:01,603 INFO L550 ElimStorePlain]: Start of recursive call 13: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-06-06 10:42:01,628 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:42:01,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-06-06 10:42:01,635 INFO L550 ElimStorePlain]: Start of recursive call 14: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-06 10:42:01,663 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:42:01,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-06-06 10:42:01,671 INFO L550 ElimStorePlain]: Start of recursive call 15: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-06 10:42:01,693 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:42:01,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-06-06 10:42:01,709 INFO L550 ElimStorePlain]: Start of recursive call 16: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-06 10:42:01,956 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2021-06-06 10:42:01,956 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:42:02,035 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:42:02,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 162 [2021-06-06 10:42:02,316 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 10:42:02,347 INFO L354 Elim1Store]: treesize reduction 172, result has 0.6 percent of original size [2021-06-06 10:42:02,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-06-06 10:42:02,350 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 10:42:02,384 INFO L354 Elim1Store]: treesize reduction 156, result has 0.6 percent of original size [2021-06-06 10:42:02,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-06-06 10:42:02,386 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 10:42:02,409 INFO L354 Elim1Store]: treesize reduction 176, result has 0.6 percent of original size [2021-06-06 10:42:02,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-06-06 10:42:02,411 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 10:42:02,432 INFO L354 Elim1Store]: treesize reduction 172, result has 0.6 percent of original size [2021-06-06 10:42:02,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-06-06 10:42:02,434 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 10:42:02,454 INFO L354 Elim1Store]: treesize reduction 164, result has 0.6 percent of original size [2021-06-06 10:42:02,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-06-06 10:42:02,456 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 10:42:02,488 INFO L354 Elim1Store]: treesize reduction 164, result has 0.6 percent of original size [2021-06-06 10:42:02,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-06-06 10:42:02,490 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-06 10:42:02,514 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-06 10:42:02,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-06-06 10:42:02,517 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-06 10:42:02,535 INFO L354 Elim1Store]: treesize reduction 156, result has 0.6 percent of original size [2021-06-06 10:42:02,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-06-06 10:42:02,538 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-06 10:42:02,713 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-06-06 10:42:02,713 INFO L354 Elim1Store]: treesize reduction 4, result has 97.8 percent of original size [2021-06-06 10:42:02,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 198 [2021-06-06 10:42:03,230 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 259 [2021-06-06 10:42:03,832 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 407 [2021-06-06 10:42:04,295 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 407 [2021-06-06 10:42:04,823 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 422 [2021-06-06 10:42:05,451 WARN L205 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 426 DAG size of output: 557 [2021-06-06 10:42:05,962 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 513 [2021-06-06 10:42:06,554 WARN L205 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 554 [2021-06-06 10:42:07,240 WARN L205 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 735 [2021-06-06 10:42:07,916 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 327 [2021-06-06 10:42:08,434 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 431 [2021-06-06 10:42:09,318 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 301 [2021-06-06 10:42:09,735 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 510 DAG size of output: 383 [2021-06-06 10:42:10,509 WARN L205 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 960 DAG size of output: 744 [2021-06-06 10:42:12,546 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1366 DAG size of output: 1070 [2021-06-06 10:42:12,896 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 455 [2021-06-06 10:42:13,668 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 554 [2021-06-06 10:42:13,945 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 358 [2021-06-06 10:42:15,047 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 241 [2021-06-06 10:42:15,230 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 313 [2021-06-06 10:42:15,992 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 203 [2021-06-06 10:42:16,462 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 469 [2021-06-06 10:42:17,309 WARN L205 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 946 DAG size of output: 710 [2021-06-06 10:42:18,006 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 301 [2021-06-06 10:42:18,935 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 229 [2021-06-06 10:42:19,191 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 520 DAG size of output: 465 [2021-06-06 10:42:19,663 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 758 DAG size of output: 655 [2021-06-06 10:42:20,372 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 288 [2021-06-06 10:42:21,215 WARN L205 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 1096 DAG size of output: 948 [2021-06-06 10:42:24,850 WARN L205 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 2333 DAG size of output: 1913 [2021-06-06 10:42:25,426 WARN L205 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 541 [2021-06-06 10:42:26,063 WARN L205 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 588 [2021-06-06 10:42:26,734 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 300 [2021-06-06 10:42:28,182 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 317 [2021-06-06 10:42:28,421 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 456 [2021-06-06 10:42:28,898 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 782 DAG size of output: 678 [2021-06-06 10:42:29,940 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 1222 DAG size of output: 1094 [2021-06-06 10:42:30,317 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 489 [2021-06-06 10:42:31,951 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 424 DAG size of output: 331 [2021-06-06 10:42:32,226 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 440 [2021-06-06 10:42:32,862 WARN L205 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 881 DAG size of output: 735 [2021-06-06 10:42:33,601 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 288 [2021-06-06 10:42:33,793 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 350 [2021-06-06 10:42:34,310 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 449 [2021-06-06 10:42:35,331 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 406 [2021-06-06 10:42:35,770 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 750 DAG size of output: 605 [2021-06-06 10:42:36,578 WARN L205 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 1085 DAG size of output: 911 [2021-06-06 10:42:39,653 WARN L205 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 1897 DAG size of output: 1737 [2021-06-06 10:42:47,809 WARN L205 SmtUtils]: Spent 8.15 s on a formula simplification. DAG size of input: 3152 DAG size of output: 2726 [2021-06-06 10:42:56,025 WARN L205 SmtUtils]: Spent 8.20 s on a formula simplification. DAG size of input: 3152 DAG size of output: 2726 [2021-06-06 10:43:04,392 WARN L205 SmtUtils]: Spent 8.34 s on a formula simplification. DAG size of input: 3158 DAG size of output: 2732 [2021-06-06 10:43:04,640 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 1745 [2021-06-06 10:43:06,794 WARN L205 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 984 [2021-06-06 10:43:09,390 WARN L205 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 804 [2021-06-06 10:43:11,778 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 333 [2021-06-06 10:43:12,305 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 80 [2021-06-06 10:43:12,535 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 80 [2021-06-06 10:43:12,754 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 851 DAG size of output: 385 [2021-06-06 10:43:13,508 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 557 [2021-06-06 10:43:14,092 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 263 [2021-06-06 10:43:14,943 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 727 DAG size of output: 547 [2021-06-06 10:43:15,251 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 727 DAG size of output: 547 [2021-06-06 10:43:15,566 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 731 DAG size of output: 501 [2021-06-06 10:43:18,792 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 769 DAG size of output: 1015 [2021-06-06 10:43:21,381 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 235 [2021-06-06 10:43:23,728 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 474 [2021-06-06 10:43:24,066 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 317 [2021-06-06 10:43:24,877 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 335 [2021-06-06 10:43:25,496 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 430 [2021-06-06 10:43:26,167 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 248 [2021-06-06 10:43:26,734 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 235 [2021-06-06 10:43:27,024 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 539 DAG size of output: 480 [2021-06-06 10:43:28,162 WARN L205 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 1130 DAG size of output: 873 [2021-06-06 10:43:29,001 WARN L205 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 1130 DAG size of output: 873 [2021-06-06 10:43:29,784 WARN L205 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 1141 DAG size of output: 886 [2021-06-06 10:43:30,049 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 594 [2021-06-06 10:43:30,360 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 246 [2021-06-06 10:43:30,774 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 489 DAG size of output: 822 [2021-06-06 10:43:31,624 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 1236 DAG size of output: 445 [2021-06-06 10:43:32,018 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 1236 DAG size of output: 445 [2021-06-06 10:43:32,262 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 1241 DAG size of output: 9 [2021-06-06 10:43:32,493 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 1756 [2021-06-06 10:43:32,731 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 1759 [2021-06-06 10:43:33,041 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 511 [2021-06-06 10:43:34,695 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 312 [2021-06-06 10:43:34,903 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 312 [2021-06-06 10:43:35,110 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 499 DAG size of output: 325 [2021-06-06 10:43:36,520 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 222 [2021-06-06 10:43:36,765 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 1031 [2021-06-06 10:43:37,507 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 245 [2021-06-06 10:43:37,614 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 245 [2021-06-06 10:43:40,569 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 735 [2021-06-06 10:43:40,969 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 543 [2021-06-06 10:43:41,565 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 310 [2021-06-06 10:43:42,252 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 633 [2021-06-06 10:43:42,543 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 474 [2021-06-06 10:43:43,348 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 588 DAG size of output: 489 [2021-06-06 10:43:44,209 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 309 [2021-06-06 10:43:45,352 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 1414 DAG size of output: 984 [2021-06-06 10:43:46,502 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 1414 DAG size of output: 984 [2021-06-06 10:43:47,484 WARN L205 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 1424 DAG size of output: 1000 [2021-06-06 10:43:49,483 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 817 DAG size of output: 68 [2021-06-06 10:43:50,358 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 228 [2021-06-06 10:43:50,480 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 228 [2021-06-06 10:43:50,699 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 282 [2021-06-06 10:43:51,275 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 213 [2021-06-06 10:43:51,866 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 775 [2021-06-06 10:43:54,165 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 362 [2021-06-06 10:43:55,608 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 221 [2021-06-06 10:43:55,727 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 221 [2021-06-06 10:43:57,341 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-06 10:43:57,472 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-06-06 10:43:57,472 INFO L354 Elim1Store]: treesize reduction 20, result has 85.8 percent of original size [2021-06-06 10:43:57,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 142 [2021-06-06 10:43:57,592 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-06 10:43:57,607 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-06 10:43:57,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-06-06 10:43:57,609 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-06 10:43:57,625 INFO L354 Elim1Store]: treesize reduction 176, result has 0.6 percent of original size [2021-06-06 10:43:57,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-06-06 10:43:57,627 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-06 10:43:57,644 INFO L354 Elim1Store]: treesize reduction 176, result has 0.6 percent of original size [2021-06-06 10:43:57,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-06-06 10:43:57,646 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-06 10:43:57,660 INFO L354 Elim1Store]: treesize reduction 176, result has 0.6 percent of original size [2021-06-06 10:43:57,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-06-06 10:43:57,662 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-06 10:43:57,748 INFO L628 ElimStorePlain]: treesize reduction 430, result has 12.8 percent of original size [2021-06-06 10:43:57,751 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:43:57,751 INFO L247 ElimStorePlain]: Needed 31 recursive calls to eliminate 9 variables, input treesize:1498, output treesize:3 [2021-06-06 10:43:57,761 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:43:57,761 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080279710] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:43:57,761 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:43:57,761 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 30] total 46 [2021-06-06 10:43:57,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333130707] [2021-06-06 10:43:57,761 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-06-06 10:43:57,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:43:57,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-06-06 10:43:57,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=2031, Unknown=1, NotChecked=0, Total=2162 [2021-06-06 10:43:57,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:43:57,763 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:43:57,763 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 2.3191489361702127) internal successors, (109), 46 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 10:43:57,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:43:57,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:43:57,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:43:57,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 10:43:57,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:43:57,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 10:43:57,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:43:57,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 10:43:57,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 10:43:57,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:43:57,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:43:57,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:43:57,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 10:43:57,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 10:43:57,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:43:57,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 10:43:57,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:43:59,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:43:59,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:43:59,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:43:59,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 10:43:59,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:43:59,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 10:43:59,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:43:59,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 10:43:59,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 10:43:59,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:43:59,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:43:59,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:43:59,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 10:43:59,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 10:43:59,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:43:59,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 10:43:59,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-06 10:43:59,681 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1688,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:43:59,681 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:43:59,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:43:59,682 INFO L82 PathProgramCache]: Analyzing trace with hash -1431280802, now seen corresponding path program 17 times [2021-06-06 10:43:59,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:43:59,682 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251364018] [2021-06-06 10:43:59,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:43:59,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:43:59,783 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 49 proven. 66 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-06-06 10:43:59,783 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:43:59,783 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251364018] [2021-06-06 10:43:59,784 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251364018] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:43:59,784 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [705896114] [2021-06-06 10:43:59,784 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:43:59,846 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-06-06 10:43:59,846 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:43:59,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-06 10:43:59,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:43:59,931 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 49 proven. 66 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-06-06 10:43:59,931 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [705896114] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:43:59,931 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:43:59,931 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 8] total 15 [2021-06-06 10:43:59,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021357521] [2021-06-06 10:43:59,931 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-06 10:43:59,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:43:59,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-06 10:43:59,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2021-06-06 10:43:59,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:43:59,936 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:43:59,937 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 4.625) internal successors, (74), 15 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) [2021-06-06 10:43:59,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:43:59,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:43:59,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:43:59,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 10:43:59,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:43:59,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 10:43:59,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:43:59,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 10:43:59,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 10:43:59,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:43:59,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:43:59,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:43:59,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 10:43:59,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 10:43:59,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:43:59,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 10:43:59,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-06 10:43:59,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:44:00,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:44:00,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:44:00,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:44:00,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 10:44:00,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:44:00,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 10:44:00,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:44:00,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 10:44:00,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 10:44:00,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:44:00,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:44:00,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:44:00,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 10:44:00,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 10:44:00,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:44:00,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 10:44:00,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-06 10:44:00,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 10:44:00,240 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24633 [2021-06-06 10:44:00,240 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:44:00,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:44:00,240 INFO L82 PathProgramCache]: Analyzing trace with hash 1479966395, now seen corresponding path program 18 times [2021-06-06 10:44:00,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:44:00,241 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499075131] [2021-06-06 10:44:00,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:44:00,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:44:00,439 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 157 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-06-06 10:44:00,439 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:44:00,439 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499075131] [2021-06-06 10:44:00,439 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499075131] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:44:00,439 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709226289] [2021-06-06 10:44:00,439 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:44:00,495 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-06-06 10:44:00,495 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:44:00,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 30 conjunts are in the unsatisfiable core [2021-06-06 10:44:00,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:44:00,960 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:44:00,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 32 treesize of output 143 [2021-06-06 10:44:01,134 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:44:01,136 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:44:01,136 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:44:01,137 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:4 [2021-06-06 10:44:01,146 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 157 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-06-06 10:44:01,146 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1709226289] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:44:01,146 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:44:01,146 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17] total 25 [2021-06-06 10:44:01,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828614826] [2021-06-06 10:44:01,148 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-06 10:44:01,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:44:01,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-06 10:44:01,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2021-06-06 10:44:01,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:44:01,149 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:44:01,149 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 3.6923076923076925) internal successors, (96), 25 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 10:44:01,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:44:01,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:44:01,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:44:01,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 10:44:01,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:44:01,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 10:44:01,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:44:01,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 10:44:01,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 10:44:01,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:44:01,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:44:01,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:44:01,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 10:44:01,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 10:44:01,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:44:01,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 10:44:01,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-06 10:44:01,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 10:44:01,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:44:02,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:44:02,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:44:02,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:44:02,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 10:44:02,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:44:02,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 10:44:02,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:44:02,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 10:44:02,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 10:44:02,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:44:02,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:44:02,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 10:44:02,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 10:44:02,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 10:44:02,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:44:02,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 10:44:02,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-06 10:44:02,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 10:44:02,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 10:44:02,275 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24634 [2021-06-06 10:44:02,275 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:44:02,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:44:02,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1191435160, now seen corresponding path program 19 times [2021-06-06 10:44:02,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:44:02,276 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125806361] [2021-06-06 10:44:02,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:44:02,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:44:03,396 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:44:03,396 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:44:03,396 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125806361] [2021-06-06 10:44:03,396 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125806361] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:44:03,396 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1838527063] [2021-06-06 10:44:03,396 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:44:03,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:44:03,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 97 conjunts are in the unsatisfiable core [2021-06-06 10:44:03,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:44:04,002 INFO L354 Elim1Store]: treesize reduction 240, result has 0.4 percent of original size [2021-06-06 10:44:04,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 161 treesize of output 109 [2021-06-06 10:44:04,003 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:44:04,006 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:44:04,006 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:44:04,006 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:161, output treesize:87 [2021-06-06 10:44:05,860 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:44:05,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 172 treesize of output 223 [2021-06-06 10:44:08,730 INFO L550 ElimStorePlain]: Start of recursive call 2: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-06 10:44:08,794 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:44:14,439 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2021-06-06 10:44:14,439 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:172, output treesize:205 [2021-06-06 10:44:25,729 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2021-06-06 10:44:40,385 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2021-06-06 10:44:59,307 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2021-06-06 10:44:59,647 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:44:59,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-06 10:44:59,655 INFO L550 ElimStorePlain]: Start of recursive call 2: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-06-06 10:44:59,680 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:44:59,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-06 10:44:59,689 INFO L550 ElimStorePlain]: Start of recursive call 3: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-06-06 10:44:59,712 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:44:59,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-06 10:44:59,720 INFO L550 ElimStorePlain]: Start of recursive call 4: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-06 10:44:59,741 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:44:59,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-06 10:44:59,749 INFO L550 ElimStorePlain]: Start of recursive call 5: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-06 10:44:59,777 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:44:59,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-06 10:44:59,799 INFO L550 ElimStorePlain]: Start of recursive call 6: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-06-06 10:44:59,830 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:44:59,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-06 10:44:59,838 INFO L550 ElimStorePlain]: Start of recursive call 7: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-06 10:44:59,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 63 [2021-06-06 10:44:59,856 INFO L550 ElimStorePlain]: Start of recursive call 8: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-06 10:44:59,893 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:44:59,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-06 10:44:59,901 INFO L550 ElimStorePlain]: Start of recursive call 9: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-06-06 10:44:59,925 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:44:59,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-06 10:44:59,930 INFO L550 ElimStorePlain]: Start of recursive call 10: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 10:44:59,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 63 [2021-06-06 10:44:59,956 INFO L550 ElimStorePlain]: Start of recursive call 11: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-06 10:44:59,988 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:44:59,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-06 10:44:59,996 INFO L550 ElimStorePlain]: Start of recursive call 12: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-06 10:45:00,078 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:45:00,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 91 treesize of output 111 [2021-06-06 10:45:00,978 INFO L550 ElimStorePlain]: Start of recursive call 13: 7 dim-0 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2021-06-06 10:45:00,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 63 [2021-06-06 10:45:00,997 INFO L550 ElimStorePlain]: Start of recursive call 14: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 10:45:01,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 63 [2021-06-06 10:45:01,021 INFO L550 ElimStorePlain]: Start of recursive call 15: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-06 10:45:01,052 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:45:01,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-06 10:45:01,060 INFO L550 ElimStorePlain]: Start of recursive call 16: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-06 10:45:01,084 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 91 treesize of output 63 [2021-06-06 10:45:01,086 INFO L550 ElimStorePlain]: Start of recursive call 17: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-06 10:45:01,128 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:45:01,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-06 10:45:01,137 INFO L550 ElimStorePlain]: Start of recursive call 18: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-06 10:45:01,171 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:45:01,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-06 10:45:01,178 INFO L550 ElimStorePlain]: Start of recursive call 19: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-06 10:45:01,234 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:45:01,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-06 10:45:01,242 INFO L550 ElimStorePlain]: Start of recursive call 20: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-06 10:45:01,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 63 [2021-06-06 10:45:01,269 INFO L550 ElimStorePlain]: Start of recursive call 21: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-06 10:45:01,306 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:45:01,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-06 10:45:01,314 INFO L550 ElimStorePlain]: Start of recursive call 22: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-06 10:45:01,349 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:45:01,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-06 10:45:01,357 INFO L550 ElimStorePlain]: Start of recursive call 23: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-06-06 10:45:01,882 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification that was a NOOP. DAG size: 547 [2021-06-06 10:45:01,882 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:45:02,052 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-06-06 10:45:02,052 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:45:02,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 261 [2021-06-06 10:45:02,557 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 189 [2021-06-06 10:45:03,021 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 246 [2021-06-06 10:45:03,134 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 171 [2021-06-06 10:45:04,163 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 255 [2021-06-06 10:45:04,351 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 255 [2021-06-06 10:45:04,730 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 356 [2021-06-06 10:45:05,070 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 388 [2021-06-06 10:45:05,191 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 264 [2021-06-06 10:45:05,880 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 276 [2021-06-06 10:45:06,005 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 297 [2021-06-06 10:45:06,823 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 648 DAG size of output: 432 [2021-06-06 10:45:07,065 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 648 DAG size of output: 432 [2021-06-06 10:45:07,313 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 650 DAG size of output: 410 [2021-06-06 10:45:07,669 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 565 [2021-06-06 10:45:08,254 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 303 [2021-06-06 10:45:09,323 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-06 10:45:09,356 INFO L354 Elim1Store]: treesize reduction 248, result has 0.4 percent of original size [2021-06-06 10:45:09,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 25 [2021-06-06 10:45:09,359 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-06 10:45:09,507 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-06-06 10:45:09,508 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:45:09,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 269 [2021-06-06 10:45:09,821 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 204 [2021-06-06 10:45:10,343 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 290 [2021-06-06 10:45:10,853 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 241 [2021-06-06 10:45:11,375 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 396 [2021-06-06 10:45:12,471 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 601 DAG size of output: 659 [2021-06-06 10:45:13,559 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 601 DAG size of output: 659 [2021-06-06 10:45:14,832 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 616 DAG size of output: 674 [2021-06-06 10:45:17,191 WARN L205 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 673 DAG size of output: 1272 [2021-06-06 10:45:18,342 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 286 [2021-06-06 10:45:18,489 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 215 [2021-06-06 10:45:19,535 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 349 [2021-06-06 10:45:20,473 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 404 [2021-06-06 10:45:20,633 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 253 [2021-06-06 10:45:21,731 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 443 DAG size of output: 324 [2021-06-06 10:45:21,993 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 313 [2021-06-06 10:45:22,641 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 329 [2021-06-06 10:45:23,304 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 168 [2021-06-06 10:45:23,599 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 608 DAG size of output: 465 [2021-06-06 10:45:24,295 WARN L205 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 1145 DAG size of output: 887 [2021-06-06 10:45:24,994 WARN L205 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 544 [2021-06-06 10:45:26,112 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 325 [2021-06-06 10:45:27,827 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 202 [2021-06-06 10:45:28,155 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 650 DAG size of output: 511 [2021-06-06 10:45:28,709 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 229 [2021-06-06 10:45:29,241 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 249 [2021-06-06 10:45:30,904 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 309 [2021-06-06 10:45:31,291 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 520 [2021-06-06 10:45:32,231 WARN L205 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 1242 DAG size of output: 1040 [2021-06-06 10:45:32,635 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 407 [2021-06-06 10:45:33,064 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 380 [2021-06-06 10:45:33,784 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 299 [2021-06-06 10:45:34,636 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 246 [2021-06-06 10:45:34,991 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 367 [2021-06-06 10:45:35,880 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 281 [2021-06-06 10:45:37,119 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 336 [2021-06-06 10:45:37,498 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 742 DAG size of output: 557 [2021-06-06 10:45:38,108 WARN L205 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 937 DAG size of output: 687 [2021-06-06 10:45:40,828 WARN L205 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 2259 DAG size of output: 1863 [2021-06-06 10:45:41,621 WARN L205 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 561 [2021-06-06 10:45:43,134 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 222 [2021-06-06 10:45:43,580 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 357 [2021-06-06 10:45:44,748 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 407 [2021-06-06 10:45:45,551 WARN L205 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 757 [2021-06-06 10:45:45,758 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 350 [2021-06-06 10:45:46,584 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 448 [2021-06-06 10:45:48,406 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 334 [2021-06-06 10:45:49,051 WARN L205 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 869 DAG size of output: 777 [2021-06-06 10:45:49,446 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 409 [2021-06-06 10:45:49,819 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 369 [2021-06-06 10:45:50,653 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 243 [2021-06-06 10:45:51,151 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 359 [2021-06-06 10:45:51,355 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 374 [2021-06-06 10:45:52,277 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 759 DAG size of output: 542 [2021-06-06 10:45:52,720 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 215 [2021-06-06 10:45:53,910 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 251 [2021-06-06 10:45:54,496 WARN L205 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 959 DAG size of output: 673 [2021-06-06 10:45:55,165 WARN L205 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 543 [2021-06-06 10:45:57,424 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 312 [2021-06-06 10:45:57,703 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 512 [2021-06-06 10:45:58,935 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 296 [2021-06-06 10:45:59,726 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 225 [2021-06-06 10:46:00,476 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 505 [2021-06-06 10:46:01,249 WARN L205 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 1085 DAG size of output: 942 [2021-06-06 10:46:03,650 WARN L205 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 2153 DAG size of output: 1715 [2021-06-06 10:46:10,593 WARN L205 SmtUtils]: Spent 6.93 s on a formula simplification. DAG size of input: 3574 DAG size of output: 3129 [2021-06-06 10:46:17,565 WARN L205 SmtUtils]: Spent 6.96 s on a formula simplification. DAG size of input: 3574 DAG size of output: 3129 [2021-06-06 10:46:24,809 WARN L205 SmtUtils]: Spent 7.22 s on a formula simplification. DAG size of input: 3582 DAG size of output: 3138 [2021-06-06 10:46:25,225 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 1724 DAG size of output: 1724 [2021-06-06 10:46:25,386 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 784 DAG size of output: 781 [2021-06-06 10:46:25,689 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 335 [2021-06-06 10:46:25,797 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 287 [2021-06-06 10:46:26,579 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 264 [2021-06-06 10:46:27,346 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 315 [2021-06-06 10:46:27,658 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 466 [2021-06-06 10:46:28,940 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 253 [2021-06-06 10:46:29,679 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 404 [2021-06-06 10:46:30,476 WARN L205 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 907 DAG size of output: 717 [2021-06-06 10:46:31,225 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 187 [2021-06-06 10:46:32,478 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 283 [2021-06-06 10:46:33,181 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 288 [2021-06-06 10:46:33,749 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 235 [2021-06-06 10:46:34,015 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 387 [2021-06-06 10:46:34,322 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 473 DAG size of output: 430 [2021-06-06 10:46:35,113 WARN L205 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 1084 DAG size of output: 863 [2021-06-06 10:46:35,261 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 288 [2021-06-06 10:46:35,707 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 279 [2021-06-06 10:46:36,369 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 429 [2021-06-06 10:46:36,550 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 298 [2021-06-06 10:46:38,626 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 2243 DAG size of output: 1709 [2021-06-06 10:46:40,148 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 294 [2021-06-06 10:46:41,293 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 650 DAG size of output: 526 [2021-06-06 10:46:42,021 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 283 [2021-06-06 10:46:42,926 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 641 DAG size of output: 561 [2021-06-06 10:46:43,160 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 329 [2021-06-06 10:46:43,361 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 311 [2021-06-06 10:46:44,310 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 253 [2021-06-06 10:46:44,618 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 418 [2021-06-06 10:46:45,264 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 231 [2021-06-06 10:46:45,647 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 489 DAG size of output: 291 [2021-06-06 10:46:46,082 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 811 DAG size of output: 514 [2021-06-06 10:46:47,649 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 1921 DAG size of output: 1448 [2021-06-06 10:46:49,611 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 289 [2021-06-06 10:46:50,539 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 776 DAG size of output: 636 [2021-06-06 10:46:56,482 WARN L205 SmtUtils]: Spent 5.93 s on a formula simplification. DAG size of input: 5086 DAG size of output: 3903 [2021-06-06 10:46:56,653 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 620 DAG size of output: 620 [2021-06-06 10:46:56,920 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 388 [2021-06-06 10:46:58,867 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 684 DAG size of output: 461 [2021-06-06 10:47:00,804 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 456 [2021-06-06 10:47:01,480 WARN L205 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 1012 DAG size of output: 752 [2021-06-06 10:47:03,339 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 289 [2021-06-06 10:47:03,596 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 672 DAG size of output: 388 [2021-06-06 10:47:03,930 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 351 [2021-06-06 10:47:04,658 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 239 [2021-06-06 10:47:05,668 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 310 [2021-06-06 10:47:06,500 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 1283 DAG size of output: 647 [2021-06-06 10:47:07,887 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 2211 DAG size of output: 1366 [2021-06-06 10:47:08,076 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 1706 [2021-06-06 10:47:08,234 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 274 [2021-06-06 10:47:09,289 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 272 [2021-06-06 10:47:09,408 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 508 DAG size of output: 507 [2021-06-06 10:47:09,974 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 327 [2021-06-06 10:47:10,492 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 264 [2021-06-06 10:47:11,389 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 274 [2021-06-06 10:47:12,464 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 489 [2021-06-06 10:47:13,208 WARN L205 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 998 DAG size of output: 713 [2021-06-06 10:47:13,438 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 984 DAG size of output: 984 [2021-06-06 10:47:14,467 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 333 [2021-06-06 10:47:15,180 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 574 DAG size of output: 417 [2021-06-06 10:47:15,482 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 461 [2021-06-06 10:47:15,699 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 408 [2021-06-06 10:47:17,013 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 271 [2021-06-06 10:47:17,535 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 465 DAG size of output: 341 [2021-06-06 10:47:17,934 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 476 [2021-06-06 10:47:18,388 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 247 [2021-06-06 10:47:20,071 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 299 [2021-06-06 10:47:21,245 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 1369 DAG size of output: 992 [2021-06-06 10:47:21,412 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 277 [2021-06-06 10:47:22,210 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 290 [2021-06-06 10:47:22,855 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 272 [2021-06-06 10:47:23,268 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 446 [2021-06-06 10:47:25,542 WARN L205 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 2196 DAG size of output: 1662 [2021-06-06 10:47:29,644 WARN L205 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 3722 DAG size of output: 2383 [2021-06-06 10:47:43,672 WARN L205 SmtUtils]: Spent 14.01 s on a formula simplification. DAG size of input: 9594 DAG size of output: 6646 [2021-06-06 10:47:57,669 WARN L205 SmtUtils]: Spent 13.96 s on a formula simplification. DAG size of input: 9594 DAG size of output: 6646 [2021-06-06 10:48:12,698 WARN L205 SmtUtils]: Spent 15.00 s on a formula simplification. DAG size of input: 9597 DAG size of output: 6638 [2021-06-06 10:48:37,095 WARN L205 SmtUtils]: Spent 24.35 s on a formula simplification. DAG size of input: 6642 DAG size of output: 10830 [2021-06-06 10:48:52,589 WARN L205 SmtUtils]: Spent 15.45 s on a formula simplification. DAG size of input: 5293 DAG size of output: 8763 [2021-06-06 10:48:54,191 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 542 [2021-06-06 10:48:55,774 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 341 [2021-06-06 10:48:56,099 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 885 DAG size of output: 505 [2021-06-06 10:48:57,683 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 254 [2021-06-06 10:48:58,917 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 1210 DAG size of output: 1623 [2021-06-06 10:48:59,078 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 849 DAG size of output: 849 [2021-06-06 10:49:00,587 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 247 [2021-06-06 10:49:03,201 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 246 [2021-06-06 10:49:03,452 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 412 DAG size of output: 324 [2021-06-06 10:49:04,972 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1428 DAG size of output: 1875 [2021-06-06 10:49:06,903 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 347 [2021-06-06 10:49:07,423 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 361 [2021-06-06 10:49:07,881 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 409 [2021-06-06 10:49:08,524 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 294 [2021-06-06 10:49:08,977 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 776 DAG size of output: 390 [2021-06-06 10:49:09,081 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 292 [2021-06-06 10:49:09,862 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 1050 DAG size of output: 548 [2021-06-06 10:49:11,921 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 2513 DAG size of output: 213 [2021-06-06 10:49:13,073 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 5152 DAG size of output: 5152 [2021-06-06 10:49:13,877 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 574 DAG size of output: 341 [2021-06-06 10:49:16,883 WARN L205 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 1792 DAG size of output: 2517 [2021-06-06 10:49:17,122 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 1311 DAG size of output: 1311 [2021-06-06 10:49:17,262 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 897 DAG size of output: 897 [2021-06-06 10:49:18,949 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 1793 DAG size of output: 1793 [2021-06-06 10:49:19,438 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 748 DAG size of output: 748 [2021-06-06 10:49:20,208 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 216 [2021-06-06 10:49:21,592 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 299 [2021-06-06 10:49:22,552 WARN L205 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 2995 DAG size of output: 2996 [2021-06-06 10:49:23,194 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 816 [2021-06-06 10:49:23,630 WARN L205 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 811 [2021-06-06 10:49:24,171 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 764 [2021-06-06 10:49:24,771 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 508 DAG size of output: 310 [2021-06-06 10:49:24,979 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 445 [2021-06-06 10:49:26,247 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 542 [2021-06-06 10:49:26,460 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 277 [2021-06-06 10:49:27,001 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 347 [2021-06-06 10:49:27,406 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 443 DAG size of output: 591 [2021-06-06 10:49:27,810 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 519 [2021-06-06 10:49:28,482 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 735 DAG size of output: 277 [2021-06-06 10:49:29,251 WARN L205 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 1692 DAG size of output: 817 [2021-06-06 10:49:29,854 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 298 [2021-06-06 10:49:30,561 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 271 [2021-06-06 10:49:31,828 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 2208 DAG size of output: 1051 [2021-06-06 10:49:33,443 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 427 [2021-06-06 10:49:33,721 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 301 [2021-06-06 10:49:34,169 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 501 [2021-06-06 10:49:34,499 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 224 [2021-06-06 10:49:35,250 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 266 [2021-06-06 10:49:35,870 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 3482 DAG size of output: 164 [2021-06-06 10:49:37,337 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 690 DAG size of output: 381 [2021-06-06 10:49:38,497 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 247 [2021-06-06 10:49:39,195 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 487 DAG size of output: 338 [2021-06-06 10:49:39,650 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 6393 DAG size of output: 321 [2021-06-06 10:49:41,592 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 10599 DAG size of output: 1722 [2021-06-06 10:49:43,531 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 10599 DAG size of output: 1722 [2021-06-06 10:49:47,891 WARN L205 SmtUtils]: Spent 4.30 s on a formula simplification. DAG size of input: 10606 DAG size of output: 2058 [2021-06-06 10:49:48,323 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 311 [2021-06-06 10:49:49,963 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-06 10:49:50,089 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-06-06 10:49:50,089 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:49:50,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 237 [2021-06-06 10:49:51,155 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 476 DAG size of output: 325 [2021-06-06 10:49:51,278 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 476 DAG size of output: 325 [2021-06-06 10:49:51,420 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 328 [2021-06-06 10:49:51,635 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 433 [2021-06-06 10:49:51,777 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 387 [2021-06-06 10:49:52,610 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 259 [2021-06-06 10:49:52,726 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 259 [2021-06-06 10:49:53,060 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 465 DAG size of output: 412 [2021-06-06 10:49:53,414 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 410 [2021-06-06 10:49:53,886 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-06 10:49:53,918 INFO L354 Elim1Store]: treesize reduction 228, result has 0.4 percent of original size [2021-06-06 10:49:53,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 25 [2021-06-06 10:49:53,921 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-06 10:49:53,953 INFO L354 Elim1Store]: treesize reduction 244, result has 0.4 percent of original size [2021-06-06 10:49:53,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 25 [2021-06-06 10:49:53,956 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-06 10:49:54,081 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-06-06 10:49:54,081 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:49:54,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 253 [2021-06-06 10:49:55,063 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 320 [2021-06-06 10:49:55,208 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 320 [2021-06-06 10:49:55,395 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 329 [2021-06-06 10:49:55,727 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 476 [2021-06-06 10:49:57,132 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 334 [2021-06-06 10:49:57,357 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 758 DAG size of output: 448 [2021-06-06 10:49:57,581 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 758 DAG size of output: 448 [2021-06-06 10:49:57,840 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 452 [2021-06-06 10:49:58,231 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 456 DAG size of output: 593 [2021-06-06 10:49:59,325 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 461 [2021-06-06 10:49:59,529 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 461 [2021-06-06 10:49:59,753 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 461 [2021-06-06 10:50:00,580 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-06 10:50:00,609 INFO L354 Elim1Store]: treesize reduction 240, result has 0.4 percent of original size [2021-06-06 10:50:00,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 25 [2021-06-06 10:50:00,611 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-06 10:50:00,643 INFO L354 Elim1Store]: treesize reduction 248, result has 0.4 percent of original size [2021-06-06 10:50:00,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 25 [2021-06-06 10:50:00,646 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-06 10:50:00,682 INFO L354 Elim1Store]: treesize reduction 248, result has 0.4 percent of original size [2021-06-06 10:50:00,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 25 [2021-06-06 10:50:00,684 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-06 10:50:00,900 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 106 [2021-06-06 10:50:00,900 INFO L354 Elim1Store]: treesize reduction 12, result has 94.8 percent of original size [2021-06-06 10:50:00,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 241 [2021-06-06 10:50:01,345 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 255 [2021-06-06 10:50:01,550 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 263 [2021-06-06 10:50:01,661 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 272 [2021-06-06 10:50:01,799 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 350 [2021-06-06 10:50:02,033 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 373 [2021-06-06 10:50:03,514 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-06 10:50:03,544 INFO L354 Elim1Store]: treesize reduction 240, result has 0.4 percent of original size [2021-06-06 10:50:03,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 25 [2021-06-06 10:50:03,547 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-06 10:50:03,693 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-06-06 10:50:03,694 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:50:03,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 217 [2021-06-06 10:50:04,418 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 352 [2021-06-06 10:50:05,269 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-06 10:50:05,308 INFO L354 Elim1Store]: treesize reduction 192, result has 0.5 percent of original size [2021-06-06 10:50:05,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 25 [2021-06-06 10:50:05,311 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-06 10:50:05,337 INFO L354 Elim1Store]: treesize reduction 244, result has 0.4 percent of original size [2021-06-06 10:50:05,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 25 [2021-06-06 10:50:05,340 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-06 10:50:05,365 INFO L354 Elim1Store]: treesize reduction 240, result has 0.4 percent of original size [2021-06-06 10:50:05,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 25 [2021-06-06 10:50:05,367 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-06 10:50:05,388 INFO L354 Elim1Store]: treesize reduction 228, result has 0.4 percent of original size [2021-06-06 10:50:05,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 25 [2021-06-06 10:50:05,391 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-06 10:50:05,445 INFO L354 Elim1Store]: treesize reduction 252, result has 0.4 percent of original size [2021-06-06 10:50:05,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 25 [2021-06-06 10:50:05,448 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-06 10:50:05,469 INFO L354 Elim1Store]: treesize reduction 236, result has 0.4 percent of original size [2021-06-06 10:50:05,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 25 [2021-06-06 10:50:05,472 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-06 10:50:05,491 INFO L354 Elim1Store]: treesize reduction 212, result has 0.5 percent of original size [2021-06-06 10:50:05,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 25 [2021-06-06 10:50:05,494 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-06 10:50:05,725 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 133 [2021-06-06 10:50:05,725 INFO L354 Elim1Store]: treesize reduction 4, result has 98.4 percent of original size [2021-06-06 10:50:05,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 269 [2021-06-06 10:50:06,084 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 184 [2021-06-06 10:50:06,448 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 222 [2021-06-06 10:50:06,990 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 253 [2021-06-06 10:50:07,356 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 341 [2021-06-06 10:50:07,555 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 213 [2021-06-06 10:50:08,294 WARN L205 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 511 [2021-06-06 10:50:09,580 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 455 DAG size of output: 659 [2021-06-06 10:50:09,888 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 202 [2021-06-06 10:50:10,390 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 247 [2021-06-06 10:50:11,037 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 361 [2021-06-06 10:50:11,429 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2021-06-06 10:50:12,300 WARN L205 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 443 DAG size of output: 501 [2021-06-06 10:50:15,815 WARN L205 SmtUtils]: Spent 3.51 s on a formula simplification. DAG size of input: 818 DAG size of output: 1126 [2021-06-06 10:50:19,352 WARN L205 SmtUtils]: Spent 3.53 s on a formula simplification. DAG size of input: 818 DAG size of output: 1126 [2021-06-06 10:50:23,284 WARN L205 SmtUtils]: Spent 3.93 s on a formula simplification. DAG size of input: 830 DAG size of output: 1138 [2021-06-06 10:50:23,938 WARN L205 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 1141 DAG size of output: 1143 [2021-06-06 10:50:25,075 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 482 DAG size of output: 628 [2021-06-06 10:50:25,991 WARN L205 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 735 [2021-06-06 10:50:26,196 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 279 [2021-06-06 10:50:26,304 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 213 [2021-06-06 10:50:27,119 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 333 [2021-06-06 10:50:27,629 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 232 [2021-06-06 10:50:28,247 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 341 [2021-06-06 10:50:28,918 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2021-06-06 10:50:29,378 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 282 [2021-06-06 10:50:29,937 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 216 [2021-06-06 10:50:30,611 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 203 [2021-06-06 10:50:31,551 WARN L205 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 490 [2021-06-06 10:50:32,046 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 211 [2021-06-06 10:50:32,446 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 184 [2021-06-06 10:50:32,895 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 279 [2021-06-06 10:50:33,530 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 201 [2021-06-06 10:50:34,189 WARN L205 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 488 [2021-06-06 10:50:36,163 WARN L205 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 897 DAG size of output: 809 [2021-06-06 10:50:38,962 WARN L205 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 1287 DAG size of output: 1182 [2021-06-06 10:50:39,137 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 256 [2021-06-06 10:50:39,817 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 208 [2021-06-06 10:50:40,621 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 234 [2021-06-06 10:50:40,987 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 364 [2021-06-06 10:50:41,627 WARN L205 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 539 DAG size of output: 462 [2021-06-06 10:50:42,768 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 652 DAG size of output: 582 [2021-06-06 10:50:47,150 WARN L205 SmtUtils]: Spent 4.38 s on a formula simplification. DAG size of input: 1903 DAG size of output: 1563 [2021-06-06 10:50:52,765 WARN L205 SmtUtils]: Spent 5.61 s on a formula simplification. DAG size of input: 2210 DAG size of output: 1781 [2021-06-06 10:50:52,957 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 236 [2021-06-06 10:50:53,097 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 238 [2021-06-06 10:50:53,214 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 232 [2021-06-06 10:50:53,854 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 241 [2021-06-06 10:50:53,971 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 188 [2021-06-06 10:50:54,529 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 333 [2021-06-06 10:50:55,194 WARN L205 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 444 [2021-06-06 10:50:56,060 WARN L205 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 488 [2021-06-06 10:50:56,186 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 290 [2021-06-06 10:50:57,422 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 251 [2021-06-06 10:50:57,808 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 456 [2021-06-06 10:50:58,385 WARN L205 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 581 DAG size of output: 551 [2021-06-06 10:50:58,835 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 505 [2021-06-06 10:50:59,300 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 461 [2021-06-06 10:50:59,749 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 384 [2021-06-06 10:51:00,718 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 256 [2021-06-06 10:51:01,732 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 559 DAG size of output: 486 [2021-06-06 10:51:03,236 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 775 DAG size of output: 653 [2021-06-06 10:51:06,479 WARN L205 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 1441 DAG size of output: 1269 [2021-06-06 10:51:16,495 WARN L205 SmtUtils]: Spent 10.01 s on a formula simplification. DAG size of input: 2920 DAG size of output: 2493 [2021-06-06 10:51:17,358 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 264 [2021-06-06 10:51:17,916 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 171 [2021-06-06 10:51:18,317 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 197 [2021-06-06 10:51:18,938 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 258 [2021-06-06 10:51:19,702 WARN L205 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 412 DAG size of output: 386 [2021-06-06 10:51:20,573 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 225 [2021-06-06 10:51:21,360 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 232 [2021-06-06 10:51:21,754 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 409 [2021-06-06 10:51:22,363 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 187 [2021-06-06 10:51:22,802 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 236 [2021-06-06 10:51:23,205 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 363 [2021-06-06 10:51:24,220 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 671 DAG size of output: 631 [2021-06-06 10:51:26,636 WARN L205 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 1059 DAG size of output: 950 [2021-06-06 10:51:27,985 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 339 [2021-06-06 10:51:29,101 WARN L205 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 494 [2021-06-06 10:51:29,557 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 175 [2021-06-06 10:51:30,090 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 262 [2021-06-06 10:51:30,699 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 202 [2021-06-06 10:51:31,127 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 346 [2021-06-06 10:51:31,611 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 196 [2021-06-06 10:51:32,098 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 186 [2021-06-06 10:51:33,015 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 223 [2021-06-06 10:51:33,396 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 365 [2021-06-06 10:51:34,496 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 522 DAG size of output: 543 [2021-06-06 10:51:37,035 WARN L205 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 955 DAG size of output: 899 [2021-06-06 10:51:37,388 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 443 [2021-06-06 10:51:37,618 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 414 [2021-06-06 10:51:38,691 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2021-06-06 10:51:39,575 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 314 [2021-06-06 10:51:40,663 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 567 DAG size of output: 486 [2021-06-06 10:51:41,454 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2021-06-06 10:51:41,803 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 357 [2021-06-06 10:51:42,453 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 179 [2021-06-06 10:51:42,950 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 267 [2021-06-06 10:51:43,602 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 321 [2021-06-06 10:51:44,725 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 657 DAG size of output: 632 [2021-06-06 10:51:47,404 WARN L205 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 1028 DAG size of output: 939 [2021-06-06 10:51:53,467 WARN L205 SmtUtils]: Spent 6.06 s on a formula simplification. DAG size of input: 1751 DAG size of output: 1638 [2021-06-06 10:51:53,662 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 336 [2021-06-06 10:51:53,859 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 350 [2021-06-06 10:51:54,662 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 206 [2021-06-06 10:51:55,500 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 229 [2021-06-06 10:51:55,889 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 401 [2021-06-06 10:51:56,711 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 206 [2021-06-06 10:51:57,547 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 229 [2021-06-06 10:51:57,926 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 399 [2021-06-06 10:51:58,932 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 593 DAG size of output: 560 [2021-06-06 10:51:59,892 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 229 [2021-06-06 10:52:00,360 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 338 [2021-06-06 10:52:00,931 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 273 [2021-06-06 10:52:01,627 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 251 [2021-06-06 10:52:02,059 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 411 [2021-06-06 10:52:03,119 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 699 DAG size of output: 672 [2021-06-06 10:52:05,786 WARN L205 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 919 DAG size of output: 917 [2021-06-06 10:52:18,652 WARN L205 SmtUtils]: Spent 12.86 s on a formula simplification. DAG size of input: 2798 DAG size of output: 2616 [2021-06-06 10:52:19,304 WARN L205 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 357 [2021-06-06 10:52:19,603 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 294 [2021-06-06 10:52:20,151 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 269 [2021-06-06 10:52:20,361 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 239 [2021-06-06 10:52:20,732 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 375 [2021-06-06 10:52:20,872 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 192 [2021-06-06 10:52:21,012 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 213 [2021-06-06 10:52:21,979 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 284 [2021-06-06 10:52:22,371 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 444 [2021-06-06 10:52:23,406 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 736 DAG size of output: 677 [2021-06-06 10:52:24,085 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 191 [2021-06-06 10:52:24,840 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 345 [2021-06-06 10:52:25,388 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 329 [2021-06-06 10:52:25,955 WARN L205 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 573 [2021-06-06 10:52:27,983 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 1156 DAG size of output: 1078 [2021-06-06 10:52:28,521 WARN L205 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 384 [2021-06-06 10:52:28,873 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 266 [2021-06-06 10:52:30,086 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 312 [2021-06-06 10:52:30,338 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 372 [2021-06-06 10:52:31,091 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 310 [2021-06-06 10:52:31,907 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 387 [2021-06-06 10:52:32,806 WARN L205 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 546 [2021-06-06 10:52:33,645 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 395 [2021-06-06 10:52:34,577 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 361 [2021-06-06 10:52:35,077 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 346 [2021-06-06 10:52:35,621 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 636 DAG size of output: 608 [2021-06-06 10:52:35,953 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 158 [2021-06-06 10:52:37,394 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 750 DAG size of output: 745 [2021-06-06 10:52:40,528 WARN L205 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 1194 DAG size of output: 1165 [2021-06-06 10:52:46,559 WARN L205 SmtUtils]: Spent 6.03 s on a formula simplification. DAG size of input: 1806 DAG size of output: 1809 [2021-06-06 10:52:47,680 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 519 DAG size of output: 688 [2021-06-06 10:52:49,348 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 516 DAG size of output: 892 [2021-06-06 10:52:50,309 WARN L205 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 737 [2021-06-06 10:52:51,242 WARN L205 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 574 [2021-06-06 10:52:52,135 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 258 [2021-06-06 10:52:53,547 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 473 DAG size of output: 440 [2021-06-06 10:52:55,328 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 862 DAG size of output: 806 [2021-06-06 10:52:56,369 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 513 DAG size of output: 761 [2021-06-06 10:52:57,195 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 208 [2021-06-06 10:52:57,849 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 248 [2021-06-06 10:52:58,246 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 373 [2021-06-06 10:52:58,959 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 479 [2021-06-06 10:53:00,495 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 279 [2021-06-06 10:53:02,106 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 286 [2021-06-06 10:53:02,820 WARN L205 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 501 [2021-06-06 10:53:04,310 WARN L205 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 912 DAG size of output: 760 [2021-06-06 10:53:06,605 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 1410 DAG size of output: 1067 [2021-06-06 10:53:10,959 WARN L205 SmtUtils]: Spent 4.35 s on a formula simplification. DAG size of input: 1801 DAG size of output: 1435 [2021-06-06 10:53:18,459 WARN L205 SmtUtils]: Spent 7.49 s on a formula simplification. DAG size of input: 2476 DAG size of output: 2016 [2021-06-06 10:53:18,760 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 284 [2021-06-06 10:53:19,550 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 201 [2021-06-06 10:53:19,960 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 202 [2021-06-06 10:53:20,280 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 332 [2021-06-06 10:53:20,929 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 162 [2021-06-06 10:53:21,219 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 211 [2021-06-06 10:53:22,257 WARN L205 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 501 [2021-06-06 10:53:23,379 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 708 DAG size of output: 681 [2021-06-06 10:53:23,529 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 265 [2021-06-06 10:53:23,652 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 246 [2021-06-06 10:53:24,108 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 188 [2021-06-06 10:53:24,331 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 248 [2021-06-06 10:53:24,450 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 199 [2021-06-06 10:53:25,039 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 345 [2021-06-06 10:53:25,757 WARN L205 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 461 [2021-06-06 10:53:27,887 WARN L205 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 1084 DAG size of output: 982 [2021-06-06 10:53:28,087 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 302 [2021-06-06 10:53:28,228 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 278 [2021-06-06 10:53:28,935 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 227 [2021-06-06 10:53:29,266 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 372 [2021-06-06 10:53:30,087 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 256 [2021-06-06 10:53:30,870 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 471 [2021-06-06 10:53:31,878 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 653 DAG size of output: 664 [2021-06-06 10:53:32,706 WARN L205 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 623 [2021-06-06 10:53:33,179 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 488 [2021-06-06 10:53:34,473 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 247 [2021-06-06 10:53:35,800 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 253 [2021-06-06 10:53:36,379 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 421 [2021-06-06 10:53:37,376 WARN L205 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 698 DAG size of output: 570 [2021-06-06 10:53:39,406 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 957 DAG size of output: 814 [2021-06-06 10:53:39,917 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 512 [2021-06-06 10:53:41,406 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 274 [2021-06-06 10:53:42,890 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 280 [2021-06-06 10:53:43,578 WARN L205 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 593 DAG size of output: 485 [2021-06-06 10:53:45,046 WARN L205 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 897 DAG size of output: 738 [2021-06-06 10:53:47,453 WARN L205 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 1166 DAG size of output: 985 [2021-06-06 10:53:52,883 WARN L205 SmtUtils]: Spent 5.42 s on a formula simplification. DAG size of input: 1695 DAG size of output: 1418 [2021-06-06 10:54:00,993 WARN L205 SmtUtils]: Spent 8.10 s on a formula simplification. DAG size of input: 2809 DAG size of output: 2327 [2021-06-06 10:54:18,777 WARN L205 SmtUtils]: Spent 17.77 s on a formula simplification. DAG size of input: 3806 DAG size of output: 3180 [2021-06-06 10:54:19,128 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 201 [2021-06-06 10:54:19,485 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 269 [2021-06-06 10:54:19,791 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 203 [2021-06-06 10:54:20,018 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 197 [2021-06-06 10:54:20,299 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 300 [2021-06-06 10:54:21,097 WARN L205 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 552 Received shutdown request... [2021-06-06 10:55:15,753 WARN L205 SmtUtils]: Spent 54.64 s on a formula simplification. DAG size of input: 8539 DAG size of output: 8150 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown