/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-array-hom.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 14:02:56,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 14:02:56,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 14:02:56,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 14:02:56,586 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-07-14 14:02:56,603 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 14:02:56,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 14:02:56,604 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 14:02:56,604 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 14:02:56,605 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 14:02:56,605 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 14:02:56,605 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 14:02:56,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 14:02:56,605 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 14:02:56,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 14:02:56,605 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 14:02:56,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 14:02:56,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 14:02:56,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 14:02:56,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 14:02:56,606 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 14:02:56,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 14:02:56,606 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 14:02:56,606 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 14:02:56,606 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 14:02:56,606 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 14:02:56,607 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 14:02:56,607 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 14:02:56,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 14:02:56,607 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 14:02:56,607 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 14:02:56,607 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 14:02:56,607 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 14:02:56,607 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 14:02:56,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 14:02:56,607 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 14:02:56,608 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 14:02:56,608 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 14:02:56,608 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-14 14:02:56,608 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 14:02:56,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 14:02:56,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 14:02:56,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 14:02:56,855 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 14:02:56,857 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 14:02:56,858 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-array-hom.wvr.bpl [2021-07-14 14:02:56,858 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-array-hom.wvr.bpl' [2021-07-14 14:02:56,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 14:02:56,901 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 14:02:56,902 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 14:02:56,902 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 14:02:56,902 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 14:02:56,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 02:02:56" (1/1) ... [2021-07-14 14:02:56,917 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 02:02:56" (1/1) ... [2021-07-14 14:02:56,923 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 14:02:56,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 14:02:56,924 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 14:02:56,924 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 14:02:56,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 02:02:56" (1/1) ... [2021-07-14 14:02:56,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 02:02:56" (1/1) ... [2021-07-14 14:02:56,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 02:02:56" (1/1) ... [2021-07-14 14:02:56,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 02:02:56" (1/1) ... [2021-07-14 14:02:56,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 02:02:56" (1/1) ... [2021-07-14 14:02:56,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 02:02:56" (1/1) ... [2021-07-14 14:02:56,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 02:02:56" (1/1) ... [2021-07-14 14:02:56,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 14:02:56,935 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 14:02:56,935 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 14:02:56,935 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 14:02:56,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 02:02:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 14:02:56,986 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 14:02:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 14:02:56,987 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 14:02:56,987 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 14:02:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 14:02:56,987 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 14:02:56,987 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 14:02:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 14:02:56,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 14:02:56,988 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 14:02:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 14:02:56,989 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 14:02:56,989 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 14:02:57,130 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 14:02:57,130 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 14:02:57,132 INFO L202 PluginConnector]: Adding new model min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:02:57 BoogieIcfgContainer [2021-07-14 14:02:57,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 14:02:57,133 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 14:02:57,133 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 14:02:57,135 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 14:02:57,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 02:02:56" (1/2) ... [2021-07-14 14:02:57,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@169a1ae6 and model type min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:02:57, skipping insertion in model container [2021-07-14 14:02:57,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:02:57" (2/2) ... [2021-07-14 14:02:57,137 INFO L111 eAbstractionObserver]: Analyzing ICFG min-array-hom.wvr.bpl [2021-07-14 14:02:57,140 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 14:02:57,141 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 14:02:57,141 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 14:02:57,141 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 14:02:57,174 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-14 14:02:57,195 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 14:02:57,263 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 14:02:57,263 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 14:02:57,263 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 14:02:57,263 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 14:02:57,263 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 14:02:57,264 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 14:02:57,264 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 14:02:57,264 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 14:02:57,321 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 14:02:57,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:02:57,325 INFO L82 PathProgramCache]: Analyzing trace with hash 107147796, now seen corresponding path program 1 times [2021-07-14 14:02:57,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:02:57,340 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571571404] [2021-07-14 14:02:57,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:02:57,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:02:57,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:02:57,518 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:02:57,518 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571571404] [2021-07-14 14:02:57,518 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571571404] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 14:02:57,518 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 14:02:57,518 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 14:02:57,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710616262] [2021-07-14 14:02:57,522 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 14:02:57,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:02:57,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 14:02:57,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 14:02:57,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:02:57,532 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:02:57,535 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 14:02:57,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:02:57,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:02:57,562 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 14:02:57,562 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 14:02:57,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:02:57,564 INFO L82 PathProgramCache]: Analyzing trace with hash 597095090, now seen corresponding path program 1 times [2021-07-14 14:02:57,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:02:57,564 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212340300] [2021-07-14 14:02:57,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:02:57,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:02:57,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 14:02:57,594 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:02:57,595 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212340300] [2021-07-14 14:02:57,595 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212340300] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 14:02:57,595 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 14:02:57,595 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-14 14:02:57,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687040195] [2021-07-14 14:02:57,596 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 14:02:57,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:02:57,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 14:02:57,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 14:02:57,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:02:57,597 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:02:57,597 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 14:02:57,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:02:57,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:02:57,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:02:57,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:02:57,625 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 14:02:57,625 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 14:02:57,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:02:57,626 INFO L82 PathProgramCache]: Analyzing trace with hash -1592437936, now seen corresponding path program 1 times [2021-07-14 14:02:57,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:02:57,626 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695464233] [2021-07-14 14:02:57,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:02:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:02:58,074 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:02:58,075 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:02:58,075 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695464233] [2021-07-14 14:02:58,075 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695464233] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:02:58,075 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1944671937] [2021-07-14 14:02:58,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:02:58,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:02:58,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-14 14:02:58,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:02:58,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-07-14 14:02:58,407 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 14:02:58,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-07-14 14:02:58,417 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 14:02:58,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-07-14 14:02:58,427 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 14:02:58,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-14 14:02:58,432 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 14:02:58,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2021-07-14 14:02:58,438 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 14:02:58,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2021-07-14 14:02:58,454 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 14:02:58,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-07-14 14:02:58,462 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 14:02:58,464 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 14:02:58,465 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 14:02:58,500 INFO L628 ElimStorePlain]: treesize reduction 24, result has 61.9 percent of original size [2021-07-14 14:02:58,505 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 14:02:58,505 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 2 variables, input treesize:239, output treesize:23 [2021-07-14 14:02:58,549 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:02:58,550 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1944671937] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:02:58,550 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:02:58,550 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-07-14 14:02:58,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180267791] [2021-07-14 14:02:58,550 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 14:02:58,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:02:58,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 14:02:58,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-07-14 14:02:58,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:02:58,551 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:02:58,551 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 11 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 14:02:58,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:02:58,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:02:58,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:02:58,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:02:58,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:02:58,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:02:58,929 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:02:58,929 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 14:02:58,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:02:58,930 INFO L82 PathProgramCache]: Analyzing trace with hash 217830638, now seen corresponding path program 2 times [2021-07-14 14:02:58,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:02:58,930 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924118559] [2021-07-14 14:02:58,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:02:58,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:02:58,977 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:02:58,977 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:02:58,977 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924118559] [2021-07-14 14:02:58,977 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924118559] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:02:58,977 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1770567119] [2021-07-14 14:02:58,977 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:02:59,016 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 14:02:59,016 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:02:59,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 14:02:59,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:02:59,152 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:02:59,152 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1770567119] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:02:59,152 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:02:59,153 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-07-14 14:02:59,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424829770] [2021-07-14 14:02:59,154 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 14:02:59,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:02:59,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 14:02:59,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-07-14 14:02:59,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:02:59,156 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:02:59,156 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 14:02:59,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:02:59,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:02:59,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:02:59,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:02:59,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:02:59,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:02:59,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:02:59,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:02:59,516 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-07-14 14:02:59,517 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 14:02:59,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:02:59,517 INFO L82 PathProgramCache]: Analyzing trace with hash -537545550, now seen corresponding path program 1 times [2021-07-14 14:02:59,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:02:59,517 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145403241] [2021-07-14 14:02:59,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:02:59,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:02:59,562 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 14:02:59,563 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:02:59,563 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145403241] [2021-07-14 14:02:59,563 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145403241] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:02:59,563 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548454526] [2021-07-14 14:02:59,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:02:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:02:59,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 14:02:59,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:02:59,663 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 14:02:59,663 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548454526] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:02:59,663 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:02:59,663 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-07-14 14:02:59,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479015306] [2021-07-14 14:02:59,664 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 14:02:59,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:02:59,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 14:02:59,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-07-14 14:02:59,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:02:59,664 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:02:59,665 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 14:02:59,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:02:59,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:02:59,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:02:59,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:02:59,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:02:59,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:02:59,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:02:59,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:02:59,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:02:59,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 14:02:59,975 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:02:59,975 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 14:02:59,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:02:59,975 INFO L82 PathProgramCache]: Analyzing trace with hash -246413360, now seen corresponding path program 2 times [2021-07-14 14:02:59,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:02:59,976 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698451035] [2021-07-14 14:02:59,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:03:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:03:00,536 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 58 [2021-07-14 14:03:00,778 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 66 [2021-07-14 14:03:01,002 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 61 [2021-07-14 14:03:01,180 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 52 [2021-07-14 14:03:01,344 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 50 [2021-07-14 14:03:01,495 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:03:01,495 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:03:01,495 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698451035] [2021-07-14 14:03:01,496 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698451035] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:03:01,496 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722792896] [2021-07-14 14:03:01,496 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:03:01,539 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 14:03:01,539 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:03:01,540 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 41 conjunts are in the unsatisfiable core [2021-07-14 14:03:01,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:03:02,922 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-07-14 14:03:04,218 INFO L446 ElimStorePlain]: Different costs {7=[A, v_prenex_43, v_prenex_41, v_prenex_25, v_prenex_35, v_prenex_45, v_prenex_29, v_prenex_18, v_prenex_39, v_prenex_16, v_prenex_27], 10=[v_prenex_31, v_prenex_20, v_prenex_23, v_prenex_33, v_prenex_37]} [2021-07-14 14:03:04,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:04,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:04,376 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-07-14 14:03:04,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 57 [2021-07-14 14:03:04,388 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:04,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:04,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:04,458 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-07-14 14:03:04,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 34 [2021-07-14 14:03:04,461 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:08,277 WARN L205 SmtUtils]: Spent 3.82 s on a formula simplification. DAG size of input: 372 DAG size of output: 371 [2021-07-14 14:03:08,279 INFO L628 ElimStorePlain]: treesize reduction 5, result has 99.8 percent of original size [2021-07-14 14:03:08,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:08,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:08,389 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-07-14 14:03:08,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 57 [2021-07-14 14:03:08,395 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:08,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:08,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:08,452 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-07-14 14:03:08,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 36 [2021-07-14 14:03:08,455 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:10,100 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 364 [2021-07-14 14:03:10,100 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:03:10,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:10,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:10,182 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:03:10,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 69 [2021-07-14 14:03:10,204 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:10,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:10,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:10,291 INFO L354 Elim1Store]: treesize reduction 4, result has 91.1 percent of original size [2021-07-14 14:03:10,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 62 [2021-07-14 14:03:10,307 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:11,929 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 353 [2021-07-14 14:03:11,929 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:03:11,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:11,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:12,004 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-07-14 14:03:12,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 45 treesize of output 39 [2021-07-14 14:03:12,007 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:12,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:12,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:12,080 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-07-14 14:03:12,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 42 [2021-07-14 14:03:12,085 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:13,624 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 341 [2021-07-14 14:03:13,625 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:03:13,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:13,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:13,714 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-07-14 14:03:13,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 47 treesize of output 53 [2021-07-14 14:03:13,719 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:13,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:13,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:13,784 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-07-14 14:03:13,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 40 [2021-07-14 14:03:13,794 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:15,248 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 332 [2021-07-14 14:03:15,249 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:03:15,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:15,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:15,334 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-07-14 14:03:15,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 48 [2021-07-14 14:03:15,340 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:15,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:15,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:15,410 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-07-14 14:03:15,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 57 [2021-07-14 14:03:15,415 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:16,838 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 324 [2021-07-14 14:03:16,838 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:03:16,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:16,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:16,944 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-07-14 14:03:16,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 57 [2021-07-14 14:03:16,948 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:16,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:16,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:17,005 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-07-14 14:03:17,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 36 [2021-07-14 14:03:17,007 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:18,368 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 311 [2021-07-14 14:03:18,368 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:03:18,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:18,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:18,456 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-07-14 14:03:18,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 54 [2021-07-14 14:03:18,463 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:18,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:18,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:18,533 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-07-14 14:03:18,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 47 treesize of output 53 [2021-07-14 14:03:18,537 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:19,885 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 300 [2021-07-14 14:03:19,885 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:03:19,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:19,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:19,949 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-07-14 14:03:19,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 38 [2021-07-14 14:03:19,952 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:19,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:19,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:20,006 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-07-14 14:03:20,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 45 [2021-07-14 14:03:20,008 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:21,402 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 289 [2021-07-14 14:03:21,403 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:03:21,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:21,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:21,487 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-07-14 14:03:21,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 48 [2021-07-14 14:03:21,495 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:21,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:21,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:21,550 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:03:21,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 69 [2021-07-14 14:03:21,562 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:24,161 WARN L205 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 281 DAG size of output: 275 [2021-07-14 14:03:24,162 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.2 percent of original size [2021-07-14 14:03:24,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:24,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:24,277 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-07-14 14:03:24,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 36 [2021-07-14 14:03:24,280 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:24,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:24,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:24,352 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-07-14 14:03:24,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 45 [2021-07-14 14:03:24,357 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:25,580 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 263 [2021-07-14 14:03:25,581 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:03:25,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:25,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:25,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:25,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:25,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:25,661 INFO L354 Elim1Store]: treesize reduction 16, result has 68.6 percent of original size [2021-07-14 14:03:25,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 39 treesize of output 53 [2021-07-14 14:03:25,672 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:25,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:25,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:25,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:25,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:25,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:25,737 INFO L354 Elim1Store]: treesize reduction 18, result has 64.7 percent of original size [2021-07-14 14:03:25,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 54 [2021-07-14 14:03:25,743 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:26,912 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 255 [2021-07-14 14:03:26,913 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:03:26,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:26,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:26,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:26,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:26,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:26,977 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:03:26,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 32 treesize of output 66 [2021-07-14 14:03:27,000 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:27,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:27,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:27,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:27,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:27,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:27,051 INFO L354 Elim1Store]: treesize reduction 34, result has 33.3 percent of original size [2021-07-14 14:03:27,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 37 treesize of output 35 [2021-07-14 14:03:27,055 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:28,176 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 241 [2021-07-14 14:03:28,177 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:03:28,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:28,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:28,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:28,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:28,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:28,242 INFO L354 Elim1Store]: treesize reduction 32, result has 37.3 percent of original size [2021-07-14 14:03:28,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 40 [2021-07-14 14:03:28,263 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:28,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:28,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:28,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:28,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:28,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:28,311 INFO L354 Elim1Store]: treesize reduction 28, result has 45.1 percent of original size [2021-07-14 14:03:28,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 39 treesize of output 41 [2021-07-14 14:03:28,317 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:29,392 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 233 [2021-07-14 14:03:29,393 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:03:29,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:29,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:29,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:29,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:29,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:29,455 INFO L354 Elim1Store]: treesize reduction 28, result has 45.1 percent of original size [2021-07-14 14:03:29,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 43 treesize of output 41 [2021-07-14 14:03:29,461 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:29,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:29,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:29,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:29,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:29,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:29,519 INFO L354 Elim1Store]: treesize reduction 18, result has 64.7 percent of original size [2021-07-14 14:03:29,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 54 [2021-07-14 14:03:29,537 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:30,570 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 221 [2021-07-14 14:03:30,571 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:03:30,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:30,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:30,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:30,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:30,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:30,635 INFO L354 Elim1Store]: treesize reduction 18, result has 64.7 percent of original size [2021-07-14 14:03:30,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 54 [2021-07-14 14:03:30,650 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:30,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:30,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:30,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:30,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:30,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:30,690 INFO L354 Elim1Store]: treesize reduction 28, result has 45.1 percent of original size [2021-07-14 14:03:30,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 43 treesize of output 41 [2021-07-14 14:03:30,695 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:31,660 WARN L205 SmtUtils]: Spent 964.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-07-14 14:03:31,660 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:03:31,922 INFO L550 ElimStorePlain]: Start of recursive call 1: 17 dim-0 vars, 16 dim-1 vars, End of recursive call: and 32 xjuncts. [2021-07-14 14:03:31,922 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 33 variables, input treesize:2333, output treesize:2349 [2021-07-14 14:03:32,747 WARN L205 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 77 [2021-07-14 14:03:32,890 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:03:32,890 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [722792896] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:03:32,891 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:03:32,891 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-07-14 14:03:32,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476310260] [2021-07-14 14:03:32,891 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 14:03:32,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:03:32,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 14:03:32,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=506, Unknown=0, NotChecked=0, Total=600 [2021-07-14 14:03:32,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:03:32,892 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:03:32,892 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.24) internal successors, (56), 25 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 14:03:32,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:03:32,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:03:32,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:03:32,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:03:32,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 14:03:32,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:03:33,072 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 35 [2021-07-14 14:03:33,327 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 53 [2021-07-14 14:03:33,555 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 68 [2021-07-14 14:03:33,775 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 67 [2021-07-14 14:03:34,192 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 103 [2021-07-14 14:03:34,401 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 71 [2021-07-14 14:03:34,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:03:34,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:03:34,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:03:34,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:03:34,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 14:03:34,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 14:03:34,683 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-14 14:03:34,684 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 14:03:34,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:03:34,684 INFO L82 PathProgramCache]: Analyzing trace with hash 358746990, now seen corresponding path program 3 times [2021-07-14 14:03:34,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:03:34,684 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676853831] [2021-07-14 14:03:34,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:03:34,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:03:34,746 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:03:34,747 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:03:34,747 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676853831] [2021-07-14 14:03:34,747 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676853831] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:03:34,747 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [418650741] [2021-07-14 14:03:34,747 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:03:34,777 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 14:03:34,777 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:03:34,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 14:03:34,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:03:34,916 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:03:34,917 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [418650741] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:03:34,917 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:03:34,917 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-07-14 14:03:34,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293070305] [2021-07-14 14:03:34,918 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-14 14:03:34,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:03:34,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-14 14:03:34,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-07-14 14:03:34,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:03:34,919 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:03:34,919 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 20 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 14:03:34,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:03:34,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:03:34,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:03:34,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:03:34,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 14:03:34,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 14:03:34,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:03:35,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:03:35,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:03:35,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:03:35,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:03:35,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 14:03:35,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 14:03:35,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 14:03:35,450 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable278 [2021-07-14 14:03:35,450 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 14:03:35,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:03:35,451 INFO L82 PathProgramCache]: Analyzing trace with hash 1163701042, now seen corresponding path program 4 times [2021-07-14 14:03:35,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:03:35,451 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012320901] [2021-07-14 14:03:35,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:03:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:03:35,534 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 14:03:35,535 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:03:35,535 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012320901] [2021-07-14 14:03:35,535 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012320901] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:03:35,535 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1841697374] [2021-07-14 14:03:35,535 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:03:35,565 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 14:03:35,565 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:03:35,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 14:03:35,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:03:35,648 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 14:03:35,649 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1841697374] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:03:35,649 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:03:35,649 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-07-14 14:03:35,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438677123] [2021-07-14 14:03:35,649 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 14:03:35,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:03:35,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 14:03:35,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-07-14 14:03:35,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:03:35,650 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:03:35,650 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.9411764705882355) internal successors, (50), 17 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 14:03:35,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:03:35,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:03:35,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:03:35,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:03:35,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 14:03:35,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 14:03:35,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 14:03:35,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:03:35,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:03:35,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:03:35,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:03:35,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:03:35,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 14:03:35,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 14:03:35,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 14:03:35,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 14:03:36,017 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable279 [2021-07-14 14:03:36,017 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 14:03:36,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:03:36,017 INFO L82 PathProgramCache]: Analyzing trace with hash -323420080, now seen corresponding path program 5 times [2021-07-14 14:03:36,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:03:36,017 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818423718] [2021-07-14 14:03:36,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:03:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:03:36,825 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 112 [2021-07-14 14:03:37,072 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 49 [2021-07-14 14:03:37,223 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 150 [2021-07-14 14:03:37,557 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 69 [2021-07-14 14:03:37,924 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 213 [2021-07-14 14:03:38,733 WARN L205 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 100 [2021-07-14 14:03:39,085 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 221 [2021-07-14 14:03:40,028 WARN L205 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 131 [2021-07-14 14:03:40,379 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 215 [2021-07-14 14:03:41,276 WARN L205 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 126 [2021-07-14 14:03:41,544 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 196 [2021-07-14 14:03:42,603 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 196 DAG size of output: 129 [2021-07-14 14:03:42,714 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 163 [2021-07-14 14:03:43,110 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 76 [2021-07-14 14:03:43,360 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 40 [2021-07-14 14:03:43,609 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 38 [2021-07-14 14:03:43,766 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:03:43,766 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:03:43,766 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818423718] [2021-07-14 14:03:43,767 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818423718] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:03:43,767 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [872422959] [2021-07-14 14:03:43,767 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:03:43,815 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 14:03:43,815 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:03:43,816 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-14 14:03:43,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:03:45,553 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 122 [2021-07-14 14:03:47,012 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 322 [2021-07-14 14:03:50,309 WARN L205 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 360 DAG size of output: 326 [2021-07-14 14:03:53,753 WARN L205 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 366 DAG size of output: 330 [2021-07-14 14:03:57,410 WARN L205 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 372 DAG size of output: 334 [2021-07-14 14:03:58,938 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 333 [2021-07-14 14:04:01,490 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 329 DAG size of output: 323 [2021-07-14 14:04:02,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:02,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:02,729 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:02,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:02,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:02,737 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:02,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 22 [2021-07-14 14:04:02,754 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:02,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:02,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:02,795 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:02,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:02,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:02,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 22 [2021-07-14 14:04:02,800 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:11,287 WARN L205 SmtUtils]: Spent 8.49 s on a formula simplification. DAG size of input: 761 DAG size of output: 696 [2021-07-14 14:04:11,289 INFO L628 ElimStorePlain]: treesize reduction 1144, result has 69.2 percent of original size [2021-07-14 14:04:11,321 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:11,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:11,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:11,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:11,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:11,328 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:11,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-14 14:04:11,350 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:11,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:11,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:11,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:11,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:11,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-07-14 14:04:11,393 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:14,257 WARN L205 SmtUtils]: Spent 2.86 s on a formula simplification that was a NOOP. DAG size: 682 [2021-07-14 14:04:14,257 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:04:14,287 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:14,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:14,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:14,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:14,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:14,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-14 14:04:14,296 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:17,148 WARN L205 SmtUtils]: Spent 2.85 s on a formula simplification that was a NOOP. DAG size: 670 [2021-07-14 14:04:17,149 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:04:17,177 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:17,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:17,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:17,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:17,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:17,183 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:17,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-07-14 14:04:17,205 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:17,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:17,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:17,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:17,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:17,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-07-14 14:04:17,246 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:20,080 WARN L205 SmtUtils]: Spent 2.83 s on a formula simplification that was a NOOP. DAG size: 656 [2021-07-14 14:04:20,080 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:04:20,120 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:20,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:20,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:20,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:20,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:20,126 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:20,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-07-14 14:04:20,147 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:20,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:20,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:20,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:20,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:20,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-07-14 14:04:20,184 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:22,960 WARN L205 SmtUtils]: Spent 2.78 s on a formula simplification that was a NOOP. DAG size: 641 [2021-07-14 14:04:22,961 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:04:22,989 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:22,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:22,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:22,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:22,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:22,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-14 14:04:22,997 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:25,492 WARN L205 SmtUtils]: Spent 2.49 s on a formula simplification that was a NOOP. DAG size: 627 [2021-07-14 14:04:25,493 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:04:25,515 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:25,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:25,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:25,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:25,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:25,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-14 14:04:25,522 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:27,944 WARN L205 SmtUtils]: Spent 2.42 s on a formula simplification that was a NOOP. DAG size: 612 [2021-07-14 14:04:27,944 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:04:27,966 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:27,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:27,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:27,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:27,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:27,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-14 14:04:27,973 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:30,317 WARN L205 SmtUtils]: Spent 2.34 s on a formula simplification that was a NOOP. DAG size: 599 [2021-07-14 14:04:30,318 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:04:30,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:30,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:30,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:30,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:30,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-14 14:04:30,369 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:30,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:30,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:30,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:30,395 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:30,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:30,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-14 14:04:30,399 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:32,766 WARN L205 SmtUtils]: Spent 2.37 s on a formula simplification that was a NOOP. DAG size: 582 [2021-07-14 14:04:32,767 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:04:32,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:32,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:32,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:32,792 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:32,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:32,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-14 14:04:32,795 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:35,014 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification that was a NOOP. DAG size: 568 [2021-07-14 14:04:35,014 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:04:35,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:35,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:35,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:35,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:35,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-14 14:04:35,066 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:35,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:35,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:35,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:35,096 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:35,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:35,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-14 14:04:35,099 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:37,173 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 553 [2021-07-14 14:04:37,173 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:04:37,202 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:37,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:37,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:37,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:37,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:37,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-14 14:04:37,209 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:39,142 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 538 [2021-07-14 14:04:39,143 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:04:39,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:39,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:39,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:39,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:39,167 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:39,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-07-14 14:04:39,170 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:41,051 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 523 [2021-07-14 14:04:41,051 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:04:41,072 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:41,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:41,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:41,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:41,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:41,077 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:41,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-07-14 14:04:41,093 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:41,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:41,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:41,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:41,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:41,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-07-14 14:04:41,122 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:42,872 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 506 [2021-07-14 14:04:42,873 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:04:42,894 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:42,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:42,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:42,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:42,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:42,898 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:42,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2021-07-14 14:04:42,915 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:42,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:42,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:42,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:42,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:42,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-07-14 14:04:42,943 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:44,616 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 489 [2021-07-14 14:04:44,616 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:04:44,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:44,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:44,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:44,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:44,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:44,640 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:44,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:44,654 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:44,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-07-14 14:04:44,659 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:44,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:44,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:44,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:44,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:44,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 22 [2021-07-14 14:04:44,684 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:46,200 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 472 [2021-07-14 14:04:46,201 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:04:46,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:46,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:46,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:46,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:46,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-14 14:04:46,239 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:46,256 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:46,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:46,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:46,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:46,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:46,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-14 14:04:46,262 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:47,678 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 455 [2021-07-14 14:04:47,679 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:04:47,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:47,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:47,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:47,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:47,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-07-14 14:04:47,716 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:47,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:47,737 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:47,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:47,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:47,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:47,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-07-14 14:04:47,750 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:49,054 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 438 [2021-07-14 14:04:49,055 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:04:49,072 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:49,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:49,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:49,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:49,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:49,076 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:49,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-14 14:04:49,090 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:49,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:49,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:49,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:49,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:49,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-14 14:04:49,113 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:50,321 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 421 [2021-07-14 14:04:50,322 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:04:50,322 INFO L518 ElimStorePlain]: Eliminatee v_prenex_132 vanished before elimination [2021-07-14 14:04:50,341 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:50,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:50,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:50,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:50,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:50,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-14 14:04:50,347 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:51,535 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 406 [2021-07-14 14:04:51,535 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:04:51,551 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:51,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:51,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:51,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:51,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:51,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-07-14 14:04:51,557 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:52,764 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 391 [2021-07-14 14:04:52,764 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:04:52,780 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:52,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:52,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:52,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:52,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:52,784 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:52,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-14 14:04:52,797 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:52,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:52,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:52,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:52,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:52,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-14 14:04:52,818 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:53,851 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 374 [2021-07-14 14:04:53,851 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:04:53,867 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:53,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:53,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:53,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:53,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:53,871 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:53,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-14 14:04:53,883 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:53,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:53,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:53,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:53,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:53,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-14 14:04:53,905 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:54,867 WARN L205 SmtUtils]: Spent 961.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2021-07-14 14:04:54,868 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:04:54,883 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:54,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:54,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:54,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:54,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:54,887 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:54,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-14 14:04:54,898 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:54,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:54,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:54,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:54,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:54,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-14 14:04:54,918 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:55,811 WARN L205 SmtUtils]: Spent 892.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2021-07-14 14:04:55,812 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:04:55,826 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:55,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:55,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:55,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:55,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:55,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-14 14:04:55,832 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:56,686 WARN L205 SmtUtils]: Spent 853.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2021-07-14 14:04:56,686 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:04:56,701 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:56,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:56,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:56,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:56,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:56,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-14 14:04:56,706 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:57,520 WARN L205 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2021-07-14 14:04:57,521 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:04:57,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:57,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:57,536 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:57,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:57,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:57,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:57,544 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:57,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-14 14:04:57,552 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:57,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:57,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:57,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:57,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:57,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-14 14:04:57,570 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:58,293 WARN L205 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2021-07-14 14:04:58,294 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:04:58,324 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:58,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:58,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:58,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:58,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:58,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-14 14:04:58,329 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:59,050 WARN L205 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 280 [2021-07-14 14:04:59,051 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:04:59,064 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:59,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:59,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:59,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:59,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:59,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-07-14 14:04:59,069 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:59,764 WARN L205 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-07-14 14:04:59,764 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:04:59,776 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:04:59,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:59,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:59,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:59,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:59,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-14 14:04:59,780 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:00,439 WARN L205 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2021-07-14 14:05:00,439 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:05:00,452 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:05:00,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:00,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:00,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:00,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:00,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-14 14:05:00,457 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:01,098 WARN L205 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2021-07-14 14:05:01,098 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:05:01,123 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 32 dim-1 vars, End of recursive call: and 22 xjuncts. [2021-07-14 14:05:01,123 INFO L247 ElimStorePlain]: Needed 48 recursive calls to eliminate 96 variables, input treesize:3798, output treesize:266 [2021-07-14 14:05:01,295 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:05:01,295 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [872422959] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:05:01,295 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:05:01,295 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 30 [2021-07-14 14:05:01,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420207955] [2021-07-14 14:05:01,299 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-14 14:05:01,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:05:01,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-14 14:05:01,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=749, Unknown=0, NotChecked=0, Total=870 [2021-07-14 14:05:01,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:05:01,301 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:05:01,301 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.4) internal successors, (72), 30 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 14:05:01,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:05:01,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:05:01,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:05:01,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:05:01,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 14:05:01,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 14:05:01,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 14:05:01,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 14:05:01,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:05:02,167 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 59 [2021-07-14 14:05:02,461 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 64 [2021-07-14 14:05:02,874 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 77 [2021-07-14 14:05:04,022 WARN L205 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 74 [2021-07-14 14:05:05,381 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 429 DAG size of output: 87 [2021-07-14 14:05:09,655 WARN L205 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 391 DAG size of output: 161 [2021-07-14 14:05:15,504 WARN L205 SmtUtils]: Spent 5.70 s on a formula simplification. DAG size of input: 194 DAG size of output: 138 [2021-07-14 14:05:15,861 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 70 [2021-07-14 14:05:16,307 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2021-07-14 14:05:16,805 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 125 [2021-07-14 14:05:16,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:05:16,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:05:16,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:05:16,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:05:16,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 14:05:16,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 14:05:16,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 14:05:16,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 14:05:16,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 14:05:17,053 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable280 [2021-07-14 14:05:17,054 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 14:05:17,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:05:17,054 INFO L82 PathProgramCache]: Analyzing trace with hash 931633578, now seen corresponding path program 6 times [2021-07-14 14:05:17,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:05:17,054 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117811175] [2021-07-14 14:05:17,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:05:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:05:17,177 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:05:17,177 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:05:17,177 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117811175] [2021-07-14 14:05:17,177 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117811175] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:05:17,177 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743598777] [2021-07-14 14:05:17,177 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:05:17,225 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-14 14:05:17,225 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:05:17,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-14 14:05:17,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:05:17,471 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:05:17,471 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1743598777] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:05:17,471 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:05:17,471 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-07-14 14:05:17,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903783031] [2021-07-14 14:05:17,472 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-14 14:05:17,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:05:17,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-14 14:05:17,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-07-14 14:05:17,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:05:17,473 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:05:17,473 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.3793103448275863) internal successors, (69), 29 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 14:05:17,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:05:17,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:05:17,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:05:17,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:05:17,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 14:05:17,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 14:05:17,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 14:05:17,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 14:05:17,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 14:05:17,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:05:17,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:05:17,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:05:17,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:05:17,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:05:17,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 14:05:17,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 14:05:17,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 14:05:17,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 14:05:17,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 14:05:17,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 14:05:17,984 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable435,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:05:17,985 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 14:05:17,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:05:17,985 INFO L82 PathProgramCache]: Analyzing trace with hash -607915832, now seen corresponding path program 7 times [2021-07-14 14:05:17,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:05:17,985 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109238222] [2021-07-14 14:05:17,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:05:18,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:05:21,532 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 106 [2021-07-14 14:05:21,733 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 42 [2021-07-14 14:06:41,333 WARN L205 SmtUtils]: Spent 1.33 m on a formula simplification. DAG size of input: 294 DAG size of output: 231 [2021-07-14 14:06:41,859 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 68 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown