/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d47b94137d5c7dd60722882962a90fb345e61909-d47b941 [2021-05-03 23:01:10,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-03 23:01:10,845 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-03 23:01:10,887 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-05-03 23:01:10,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-03 23:01:10,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-03 23:01:10,955 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-03 23:01:10,960 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-DelaySleepPersistent-NoLbe.epf [2021-05-03 23:01:11,000 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-03 23:01:11,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-03 23:01:11,001 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-05-03 23:01:11,001 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-05-03 23:01:11,002 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-03 23:01:11,002 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-03 23:01:11,002 INFO L138 SettingsManager]: * Use SBE=true [2021-05-03 23:01:11,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-03 23:01:11,003 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-03 23:01:11,003 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-03 23:01:11,003 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-03 23:01:11,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-03 23:01:11,003 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-03 23:01:11,003 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-03 23:01:11,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-03 23:01:11,004 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-03 23:01:11,004 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-03 23:01:11,004 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-03 23:01:11,004 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-03 23:01:11,004 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-03 23:01:11,007 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-03 23:01:11,007 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-03 23:01:11,007 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-03 23:01:11,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-03 23:01:11,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-03 23:01:11,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-03 23:01:11,008 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-03 23:01:11,008 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-03 23:01:11,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-03 23:01:11,009 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-05-03 23:01:11,009 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-05-03 23:01:11,009 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-03 23:01:11,009 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_DELAY_SET [2021-05-03 23:01:11,009 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-03 23:01:11,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-03 23:01:11,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-03 23:01:11,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-03 23:01:11,385 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-05-03 23:01:11,387 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-05-03 23:01:11,387 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array.wvr.bpl [2021-05-03 23:01:11,388 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array.wvr.bpl' [2021-05-03 23:01:11,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-03 23:01:11,469 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-05-03 23:01:11,470 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-05-03 23:01:11,470 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-05-03 23:01:11,471 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-05-03 23:01:11,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 11:01:11" (1/1) ... [2021-05-03 23:01:11,487 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 11:01:11" (1/1) ... [2021-05-03 23:01:11,492 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-05-03 23:01:11,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-03 23:01:11,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-03 23:01:11,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-03 23:01:11,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 11:01:11" (1/1) ... [2021-05-03 23:01:11,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 11:01:11" (1/1) ... [2021-05-03 23:01:11,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 11:01:11" (1/1) ... [2021-05-03 23:01:11,504 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 11:01:11" (1/1) ... [2021-05-03 23:01:11,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 11:01:11" (1/1) ... [2021-05-03 23:01:11,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 11:01:11" (1/1) ... [2021-05-03 23:01:11,510 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 11:01:11" (1/1) ... [2021-05-03 23:01:11,511 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-03 23:01:11,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-03 23:01:11,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-03 23:01:11,512 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-03 23:01:11,515 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 11:01:11" (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 [2021-05-03 23:01:11,589 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-05-03 23:01:11,590 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-05-03 23:01:11,590 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-05-03 23:01:11,590 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-05-03 23:01:11,590 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-05-03 23:01:11,590 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-05-03 23:01:11,590 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-05-03 23:01:11,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-03 23:01:11,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-03 23:01:11,591 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-05-03 23:01:11,591 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-05-03 23:01:11,591 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-05-03 23:01:11,592 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-05-03 23:01:11,789 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-03 23:01:11,790 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-05-03 23:01:11,792 INFO L202 PluginConnector]: Adding new model max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 11:01:11 BoogieIcfgContainer [2021-05-03 23:01:11,792 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-03 23:01:11,794 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-03 23:01:11,794 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-03 23:01:11,797 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-03 23:01:11,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 11:01:11" (1/2) ... [2021-05-03 23:01:11,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67dba6f9 and model type max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 11:01:11, skipping insertion in model container [2021-05-03 23:01:11,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 11:01:11" (2/2) ... [2021-05-03 23:01:11,800 INFO L111 eAbstractionObserver]: Analyzing ICFG max-array.wvr.bpl [2021-05-03 23:01:11,805 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-05-03 23:01:11,805 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-03 23:01:11,809 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-03 23:01:11,810 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-05-03 23:01:11,861 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-05-03 23:01:11,878 INFO L253 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 [2021-05-03 23:01:12,000 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-03 23:01:12,000 INFO L377 AbstractCegarLoop]: Hoare is true [2021-05-03 23:01:12,001 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-03 23:01:12,001 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-03 23:01:12,001 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-03 23:01:12,001 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-03 23:01:12,001 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-03 23:01:12,001 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-03 23:01:12,239 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 23:01:12,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 23:01:12,244 INFO L82 PathProgramCache]: Analyzing trace with hash -789272325, now seen corresponding path program 1 times [2021-05-03 23:01:12,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 23:01:12,253 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194721348] [2021-05-03 23:01:12,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 23:01:12,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 23:01:12,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 23:01:12,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194721348] [2021-05-03 23:01:12,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-03 23:01:12,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-03 23:01:12,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473974058] [2021-05-03 23:01:12,431 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-03 23:01:12,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 23:01:12,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-03 23:01:12,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-05-03 23:01:12,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 23:01:12,448 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 23:01:12,450 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.0) 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) [2021-05-03 23:01:12,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 23:01:12,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 23:01:12,512 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-03 23:01:12,513 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 23:01:12,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 23:01:12,517 INFO L82 PathProgramCache]: Analyzing trace with hash -962565671, now seen corresponding path program 1 times [2021-05-03 23:01:12,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 23:01:12,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123423522] [2021-05-03 23:01:12,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 23:01:12,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 23:01:12,926 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 23:01:12,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123423522] [2021-05-03 23:01:12,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916501993] [2021-05-03 23:01:12,927 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 [2021-05-03 23:01:12,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 23:01:12,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 17 conjunts are in the unsatisfiable core [2021-05-03 23:01:12,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 23:01:13,443 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 [2021-05-03 23:01:13,445 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 23:01:13,449 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 [2021-05-03 23:01:13,451 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-05-03 23:01:13,454 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 21 treesize of output 13 [2021-05-03 23:01:13,457 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-05-03 23:01:13,467 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 23:01:13,470 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-05-03 23:01:13,470 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:91, output treesize:15 [2021-05-03 23:01:13,512 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 23:01:13,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 23:01:13,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-05-03 23:01:13,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703198201] [2021-05-03 23:01:13,515 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-05-03 23:01:13,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 23:01:13,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-05-03 23:01:13,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-05-03 23:01:13,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 23:01:13,518 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 23:01:13,518 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.75) internal successors, (33), 11 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 23:01:13,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 23:01:13,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 23:01:13,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 23:01:13,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 23:01:13,913 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 23:01:13,913 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 23:01:13,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 23:01:13,914 INFO L82 PathProgramCache]: Analyzing trace with hash 6253367, now seen corresponding path program 2 times [2021-05-03 23:01:13,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 23:01:13,914 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278429969] [2021-05-03 23:01:13,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 23:01:13,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 23:01:13,994 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 23:01:13,995 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278429969] [2021-05-03 23:01:13,995 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1620874569] [2021-05-03 23:01:13,995 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) [2021-05-03 23:01:14,033 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-03 23:01:14,034 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 23:01:14,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2021-05-03 23:01:14,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 23:01:14,176 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 23:01:14,176 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 23:01:14,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-05-03 23:01:14,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446770715] [2021-05-03 23:01:14,177 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-05-03 23:01:14,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 23:01:14,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-05-03 23:01:14,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-05-03 23:01:14,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 23:01:14,182 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 23:01:14,182 INFO L481 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) [2021-05-03 23:01:14,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 23:01:14,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 23:01:14,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 23:01:14,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 23:01:14,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 23:01:14,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 23:01:14,544 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 23:01:14,545 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 23:01:14,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 23:01:14,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1808159611, now seen corresponding path program 1 times [2021-05-03 23:01:14,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 23:01:14,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857579595] [2021-05-03 23:01:14,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 23:01:14,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 23:01:14,618 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 23:01:14,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857579595] [2021-05-03 23:01:14,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1062966389] [2021-05-03 23:01:14,618 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 [2021-05-03 23:01:14,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 23:01:14,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjunts are in the unsatisfiable core [2021-05-03 23:01:14,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 23:01:14,819 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 23:01:14,819 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 23:01:14,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-05-03 23:01:14,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494809585] [2021-05-03 23:01:14,822 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-05-03 23:01:14,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 23:01:14,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-05-03 23:01:14,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-05-03 23:01:14,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 23:01:14,824 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 23:01:14,824 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 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) [2021-05-03 23:01:14,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 23:01:14,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 23:01:14,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 23:01:14,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 23:01:14,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 23:01:14,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 23:01:14,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 23:01:14,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 23:01:15,132 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 23:01:15,133 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 23:01:15,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 23:01:15,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1829394009, now seen corresponding path program 2 times [2021-05-03 23:01:15,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 23:01:15,134 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548173131] [2021-05-03 23:01:15,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 23:01:15,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 23:01:15,657 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2021-05-03 23:01:15,841 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 23:01:15,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548173131] [2021-05-03 23:01:15,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661115491] [2021-05-03 23:01:15,841 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 [2021-05-03 23:01:15,875 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-03 23:01:15,875 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 23:01:15,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-05-03 23:01:15,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 23:01:16,472 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-05-03 23:01:16,850 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-05-03 23:01:17,381 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-05-03 23:01:17,740 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-05-03 23:01:18,029 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-05-03 23:01:18,503 INFO L446 ElimStorePlain]: Different costs {5=[v_prenex_8, A, v_prenex_10, v_prenex_20, v_prenex_14, v_prenex_12, v_prenex_16], 6=[v_prenex_18]} [2021-05-03 23:01:18,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 23:01:18,522 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 23:01:18,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 23:01:18,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 23:01:18,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 19 [2021-05-03 23:01:18,545 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 23:01:18,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 23:01:18,568 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 23:01:18,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 23:01:18,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 16 [2021-05-03 23:01:18,572 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-05-03 23:01:19,029 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 124 [2021-05-03 23:01:19,030 INFO L628 ElimStorePlain]: treesize reduction 353, result has 44.2 percent of original size [2021-05-03 23:01:19,040 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 23:01:19,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 23:01:19,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 23:01:19,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 16 [2021-05-03 23:01:19,046 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-05-03 23:01:19,161 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-05-03 23:01:19,161 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 23:01:19,169 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 23:01:19,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 23:01:19,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 23:01:19,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 16 [2021-05-03 23:01:19,181 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-05-03 23:01:19,303 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-05-03 23:01:19,304 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 23:01:19,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 23:01:19,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 23:01:19,313 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 23:01:19,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2021-05-03 23:01:19,316 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-05-03 23:01:19,406 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 23:01:19,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 23:01:19,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 23:01:19,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 16 [2021-05-03 23:01:19,428 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-05-03 23:01:19,510 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 23:01:19,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 23:01:19,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 23:01:19,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2021-05-03 23:01:19,528 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-05-03 23:01:19,602 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 23:01:19,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 23:01:19,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 23:01:19,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 23:01:19,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 16 [2021-05-03 23:01:19,623 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-05-03 23:01:19,691 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 23:01:19,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 23:01:19,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 23:01:19,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 23:01:19,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2021-05-03 23:01:19,708 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-05-03 23:01:19,797 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 23:01:19,811 INFO L550 ElimStorePlain]: Start of recursive call 1: 16 dim-0 vars, 8 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-05-03 23:01:19,811 INFO L247 ElimStorePlain]: Needed 10 recursive calls to eliminate 24 variables, input treesize:709, output treesize:43 [2021-05-03 23:01:19,872 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 23:01:19,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 23:01:19,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-05-03 23:01:19,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396525488] [2021-05-03 23:01:19,873 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-05-03 23:01:19,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 23:01:19,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-05-03 23:01:19,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=418, Unknown=0, NotChecked=0, Total=506 [2021-05-03 23:01:19,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 23:01:19,874 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 23:01:19,874 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.4782608695652173) internal successors, (57), 23 states have internal predecessors, (57), 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) [2021-05-03 23:01:19,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 23:01:19,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 23:01:19,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 23:01:19,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 23:01:19,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 23:01:20,094 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 33 [2021-05-03 23:01:20,353 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 49 [2021-05-03 23:01:20,811 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 86 [2021-05-03 23:01:21,432 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 100 [2021-05-03 23:01:21,635 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 49 [2021-05-03 23:01:21,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 23:01:21,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 23:01:21,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 23:01:21,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 23:01:21,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 23:01:21,924 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-05-03 23:01:21,925 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 23:01:21,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 23:01:21,925 INFO L82 PathProgramCache]: Analyzing trace with hash 760814007, now seen corresponding path program 3 times [2021-05-03 23:01:21,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 23:01:21,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878876056] [2021-05-03 23:01:21,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 23:01:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 23:01:22,028 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 23:01:22,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878876056] [2021-05-03 23:01:22,029 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028492296] [2021-05-03 23:01:22,029 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 [2021-05-03 23:01:22,057 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-05-03 23:01:22,058 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 23:01:22,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-05-03 23:01:22,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 23:01:22,281 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 23:01:22,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 23:01:22,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-05-03 23:01:22,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500799392] [2021-05-03 23:01:22,282 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-05-03 23:01:22,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 23:01:22,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-05-03 23:01:22,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-05-03 23:01:22,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 23:01:22,283 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 23:01:22,283 INFO L481 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) [2021-05-03 23:01:22,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 23:01:22,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 23:01:22,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 23:01:22,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 23:01:22,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 23:01:22,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 23:01:22,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 23:01:22,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 23:01:22,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 23:01:22,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 23:01:22,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 23:01:22,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-03 23:01:22,796 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 23:01:22,797 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 23:01:22,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 23:01:22,797 INFO L82 PathProgramCache]: Analyzing trace with hash 256164347, now seen corresponding path program 4 times [2021-05-03 23:01:22,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 23:01:22,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889702013] [2021-05-03 23:01:22,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 23:01:22,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 23:01:22,903 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 23:01:22,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889702013] [2021-05-03 23:01:22,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745304247] [2021-05-03 23:01:22,903 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 [2021-05-03 23:01:22,930 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-03 23:01:22,930 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 23:01:22,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2021-05-03 23:01:22,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 23:01:23,095 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 23:01:23,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 23:01:23,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-05-03 23:01:23,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543630673] [2021-05-03 23:01:23,097 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-05-03 23:01:23,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 23:01:23,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-05-03 23:01:23,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-05-03 23:01:23,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 23:01:23,098 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 23:01:23,098 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 23:01:23,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 23:01:23,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 23:01:23,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 23:01:23,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 23:01:23,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 23:01:23,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-05-03 23:01:23,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 23:01:23,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 23:01:23,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 23:01:23,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 23:01:23,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 23:01:23,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 23:01:23,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-03 23:01:23,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 23:01:23,454 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-05-03 23:01:23,454 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 23:01:23,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 23:01:23,455 INFO L82 PathProgramCache]: Analyzing trace with hash -1463875879, now seen corresponding path program 5 times [2021-05-03 23:01:23,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 23:01:23,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336202375] [2021-05-03 23:01:23,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 23:01:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 23:01:24,222 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 43 [2021-05-03 23:01:24,480 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 68 [2021-05-03 23:01:24,972 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 96 [2021-05-03 23:01:25,491 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 109 [2021-05-03 23:01:25,938 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 103 [2021-05-03 23:01:26,180 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 68 [2021-05-03 23:01:26,499 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 23:01:26,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336202375] [2021-05-03 23:01:26,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264171671] [2021-05-03 23:01:26,500 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 [2021-05-03 23:01:26,549 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-05-03 23:01:26,549 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 23:01:26,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 47 conjunts are in the unsatisfiable core [2021-05-03 23:01:26,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 23:01:27,162 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-05-03 23:01:28,464 WARN L205 SmtUtils]: Spent 943.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-05-03 23:01:29,894 WARN L205 SmtUtils]: Spent 993.00 ms on a formula simplification that was a NOOP. DAG size: 348 [2021-05-03 23:01:32,141 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 356 [2021-05-03 23:01:33,876 WARN L205 SmtUtils]: Spent 982.00 ms on a formula simplification that was a NOOP. DAG size: 358 [2021-05-03 23:01:35,694 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 360 [2021-05-03 23:01:37,092 WARN L205 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 347 [2021-05-03 23:01:38,827 WARN L205 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 349 [2021-05-03 23:01:42,040 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2021-05-03 23:01:42,040 INFO L354 Elim1Store]: treesize reduction 20, result has 72.6 percent of original size [2021-05-03 23:01:42,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 47 treesize of output 77 [2021-05-03 23:01:42,066 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 23:01:42,362 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-05-03 23:01:42,363 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 23:01:42,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 47 treesize of output 97 [2021-05-03 23:01:42,519 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-05-03 23:01:56,575 WARN L205 SmtUtils]: Spent 14.05 s on a formula simplification. DAG size of input: 794 DAG size of output: 744 [2021-05-03 23:01:56,578 INFO L628 ElimStorePlain]: treesize reduction 342, result has 92.3 percent of original size [2021-05-03 23:01:56,728 INFO L244 Elim1Store]: Index analysis took 110 ms [2021-05-03 23:01:56,970 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2021-05-03 23:01:56,971 INFO L354 Elim1Store]: treesize reduction 20, result has 72.6 percent of original size [2021-05-03 23:01:56,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 51 treesize of output 77 [2021-05-03 23:01:56,988 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-05-03 23:01:57,266 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-05-03 23:01:57,266 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 23:01:57,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 51 treesize of output 97 [2021-05-03 23:01:57,421 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-05-03 23:02:13,955 WARN L205 SmtUtils]: Spent 16.53 s on a formula simplification. DAG size of input: 765 DAG size of output: 731 [2021-05-03 23:02:13,957 INFO L628 ElimStorePlain]: treesize reduction 235, result has 94.5 percent of original size [2021-05-03 23:02:14,224 INFO L244 Elim1Store]: Index analysis took 228 ms [2021-05-03 23:02:14,784 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2021-05-03 23:02:14,785 INFO L354 Elim1Store]: treesize reduction 20, result has 72.6 percent of original size [2021-05-03 23:02:14,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 51 treesize of output 77 [2021-05-03 23:02:14,812 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-05-03 23:02:15,426 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 29 [2021-05-03 23:02:15,426 INFO L354 Elim1Store]: treesize reduction 32, result has 56.2 percent of original size [2021-05-03 23:02:15,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 51 treesize of output 65 [2021-05-03 23:02:15,431 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-05-03 23:02:34,534 WARN L205 SmtUtils]: Spent 19.10 s on a formula simplification. DAG size of input: 734 DAG size of output: 728 [2021-05-03 23:02:34,536 INFO L628 ElimStorePlain]: treesize reduction 36, result has 99.1 percent of original size [2021-05-03 23:02:34,792 INFO L244 Elim1Store]: Index analysis took 209 ms [2021-05-03 23:02:35,257 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 29 [2021-05-03 23:02:35,258 INFO L354 Elim1Store]: treesize reduction 32, result has 56.2 percent of original size [2021-05-03 23:02:35,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 41 treesize of output 65 [2021-05-03 23:02:35,267 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-05-03 23:02:35,810 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2021-05-03 23:02:35,812 INFO L354 Elim1Store]: treesize reduction 20, result has 72.6 percent of original size [2021-05-03 23:02:35,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 36 treesize of output 74 [2021-05-03 23:02:35,863 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-05-03 23:02:46,235 WARN L205 SmtUtils]: Spent 10.37 s on a formula simplification that was a NOOP. DAG size: 725 [2021-05-03 23:02:46,236 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 23:02:46,534 INFO L244 Elim1Store]: Index analysis took 245 ms [2021-05-03 23:02:46,826 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-05-03 23:02:46,827 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 23:02:46,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 97 [2021-05-03 23:02:47,305 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-05-03 23:02:47,467 INFO L244 Elim1Store]: Index analysis took 112 ms [2021-05-03 23:02:48,028 WARN L205 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2021-05-03 23:02:48,030 INFO L354 Elim1Store]: treesize reduction 20, result has 72.6 percent of original size [2021-05-03 23:02:48,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 77 [2021-05-03 23:02:48,091 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-05-03 23:03:11,890 WARN L205 SmtUtils]: Spent 23.80 s on a formula simplification. DAG size of input: 755 DAG size of output: 711 [2021-05-03 23:03:11,893 INFO L628 ElimStorePlain]: treesize reduction 289, result has 93.1 percent of original size [2021-05-03 23:03:12,254 INFO L244 Elim1Store]: Index analysis took 317 ms [2021-05-03 23:03:12,829 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2021-05-03 23:03:12,830 INFO L354 Elim1Store]: treesize reduction 20, result has 72.6 percent of original size [2021-05-03 23:03:12,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 51 treesize of output 77 [2021-05-03 23:03:12,865 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-05-03 23:03:13,017 INFO L244 Elim1Store]: Index analysis took 101 ms [2021-05-03 23:03:13,578 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 29 [2021-05-03 23:03:13,579 INFO L354 Elim1Store]: treesize reduction 32, result has 56.2 percent of original size [2021-05-03 23:03:13,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 51 treesize of output 65 [2021-05-03 23:03:13,593 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-05-03 23:03:41,018 WARN L205 SmtUtils]: Spent 27.42 s on a formula simplification. DAG size of input: 708 DAG size of output: 705 [2021-05-03 23:03:41,021 INFO L628 ElimStorePlain]: treesize reduction 14, result has 99.6 percent of original size [2021-05-03 23:03:41,296 INFO L244 Elim1Store]: Index analysis took 235 ms [2021-05-03 23:03:41,944 WARN L205 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2021-05-03 23:03:41,946 INFO L354 Elim1Store]: treesize reduction 20, result has 72.6 percent of original size [2021-05-03 23:03:41,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 51 treesize of output 77 [2021-05-03 23:03:42,061 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-05-03 23:03:42,220 INFO L244 Elim1Store]: Index analysis took 107 ms [2021-05-03 23:03:42,592 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-05-03 23:03:42,593 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 23:03:42,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 51 treesize of output 97 [2021-05-03 23:03:43,157 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-05-03 23:04:11,277 WARN L205 SmtUtils]: Spent 28.12 s on a formula simplification. DAG size of input: 749 DAG size of output: 690 [2021-05-03 23:04:11,280 INFO L628 ElimStorePlain]: treesize reduction 410, result has 90.3 percent of original size [2021-05-03 23:04:11,647 INFO L244 Elim1Store]: Index analysis took 327 ms [2021-05-03 23:04:12,294 WARN L205 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2021-05-03 23:04:12,296 INFO L354 Elim1Store]: treesize reduction 20, result has 72.6 percent of original size [2021-05-03 23:04:12,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 36 treesize of output 74 [2021-05-03 23:04:12,371 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-05-03 23:04:12,851 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-05-03 23:04:12,852 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 23:04:12,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 31 treesize of output 91 [2021-05-03 23:04:13,408 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-05-03 23:04:25,912 WARN L205 SmtUtils]: Spent 12.50 s on a formula simplification that was a NOOP. DAG size: 677 [2021-05-03 23:04:25,913 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 23:04:26,220 INFO L244 Elim1Store]: Index analysis took 265 ms [2021-05-03 23:04:26,800 WARN L205 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2021-05-03 23:04:26,801 INFO L354 Elim1Store]: treesize reduction 20, result has 72.6 percent of original size [2021-05-03 23:04:26,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 51 treesize of output 77 [2021-05-03 23:04:26,845 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-05-03 23:04:27,557 WARN L205 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 29 [2021-05-03 23:04:27,558 INFO L354 Elim1Store]: treesize reduction 32, result has 56.2 percent of original size [2021-05-03 23:04:27,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 51 treesize of output 65 [2021-05-03 23:04:27,564 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-05-03 23:04:56,292 WARN L205 SmtUtils]: Spent 28.73 s on a formula simplification. DAG size of input: 674 DAG size of output: 671 [2021-05-03 23:04:56,295 INFO L628 ElimStorePlain]: treesize reduction 22, result has 99.4 percent of original size [2021-05-03 23:04:56,558 INFO L244 Elim1Store]: Index analysis took 228 ms [2021-05-03 23:04:56,936 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-05-03 23:04:56,937 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 23:04:56,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 97 [2021-05-03 23:04:57,299 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-05-03 23:04:57,479 INFO L244 Elim1Store]: Index analysis took 136 ms [2021-05-03 23:04:58,033 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2021-05-03 23:04:58,034 INFO L354 Elim1Store]: treesize reduction 20, result has 72.6 percent of original size [2021-05-03 23:04:58,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 77 [2021-05-03 23:04:58,090 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-05-03 23:05:25,392 WARN L205 SmtUtils]: Spent 27.30 s on a formula simplification. DAG size of input: 669 DAG size of output: 656 [2021-05-03 23:05:25,395 INFO L628 ElimStorePlain]: treesize reduction 61, result has 98.4 percent of original size [2021-05-03 23:05:25,712 INFO L244 Elim1Store]: Index analysis took 278 ms [2021-05-03 23:05:26,498 WARN L205 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 29 [2021-05-03 23:05:26,500 INFO L354 Elim1Store]: treesize reduction 32, result has 56.2 percent of original size [2021-05-03 23:05:26,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 51 treesize of output 65 [2021-05-03 23:05:26,508 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-05-03 23:05:26,672 INFO L244 Elim1Store]: Index analysis took 119 ms [2021-05-03 23:05:27,443 WARN L205 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2021-05-03 23:05:27,445 INFO L354 Elim1Store]: treesize reduction 20, result has 72.6 percent of original size [2021-05-03 23:05:27,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 51 treesize of output 77 [2021-05-03 23:05:27,523 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-05-03 23:06:03,725 WARN L205 SmtUtils]: Spent 36.20 s on a formula simplification. DAG size of input: 659 DAG size of output: 653 [2021-05-03 23:06:03,729 INFO L628 ElimStorePlain]: treesize reduction 40, result has 98.9 percent of original size [2021-05-03 23:06:04,170 INFO L244 Elim1Store]: Index analysis took 398 ms [2021-05-03 23:06:04,783 WARN L205 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-05-03 23:06:04,785 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 23:06:04,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 51 treesize of output 97 [2021-05-03 23:06:05,171 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-05-03 23:06:05,364 INFO L244 Elim1Store]: Index analysis took 119 ms [2021-05-03 23:06:06,423 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2021-05-03 23:06:06,425 INFO L354 Elim1Store]: treesize reduction 20, result has 72.6 percent of original size [2021-05-03 23:06:06,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 51 treesize of output 77 [2021-05-03 23:06:06,508 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-05-03 23:06:57,189 WARN L205 SmtUtils]: Spent 50.68 s on a formula simplification. DAG size of input: 666 DAG size of output: 638 [2021-05-03 23:06:57,192 INFO L628 ElimStorePlain]: treesize reduction 137, result has 96.3 percent of original size [2021-05-03 23:06:57,678 INFO L244 Elim1Store]: Index analysis took 440 ms [2021-05-03 23:06:58,551 WARN L205 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2021-05-03 23:06:58,553 INFO L354 Elim1Store]: treesize reduction 20, result has 72.6 percent of original size [2021-05-03 23:06:58,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 77 [2021-05-03 23:06:58,654 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-05-03 23:06:58,828 INFO L244 Elim1Store]: Index analysis took 133 ms [2021-05-03 23:06:59,570 WARN L205 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 29 [2021-05-03 23:06:59,572 INFO L354 Elim1Store]: treesize reduction 32, result has 56.2 percent of original size [2021-05-03 23:06:59,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 65 [2021-05-03 23:06:59,584 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-05-03 23:07:20,635 WARN L205 SmtUtils]: Spent 21.05 s on a formula simplification that was a NOOP. DAG size: 632 [2021-05-03 23:07:20,638 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 23:07:21,093 INFO L244 Elim1Store]: Index analysis took 411 ms [2021-05-03 23:07:22,080 WARN L205 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2021-05-03 23:07:22,082 INFO L354 Elim1Store]: treesize reduction 20, result has 72.6 percent of original size [2021-05-03 23:07:22,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 47 treesize of output 77 [2021-05-03 23:07:22,226 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-05-03 23:07:22,441 INFO L244 Elim1Store]: Index analysis took 167 ms [2021-05-03 23:07:23,224 WARN L205 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 29 [2021-05-03 23:07:23,226 INFO L354 Elim1Store]: treesize reduction 32, result has 56.2 percent of original size [2021-05-03 23:07:23,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 47 treesize of output 65 [2021-05-03 23:07:23,245 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-05-03 23:08:07,003 WARN L205 SmtUtils]: Spent 43.76 s on a formula simplification. DAG size of input: 629 DAG size of output: 626 [2021-05-03 23:08:07,007 INFO L628 ElimStorePlain]: treesize reduction 18, result has 99.5 percent of original size [2021-05-03 23:08:07,722 INFO L244 Elim1Store]: Index analysis took 674 ms [2021-05-03 23:08:08,324 WARN L205 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-05-03 23:08:08,326 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 23:08:08,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 45 treesize of output 97 [2021-05-03 23:08:09,005 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-05-03 23:08:09,239 INFO L244 Elim1Store]: Index analysis took 178 ms [2021-05-03 23:08:09,999 WARN L205 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2021-05-03 23:08:10,001 INFO L354 Elim1Store]: treesize reduction 20, result has 72.6 percent of original size [2021-05-03 23:08:10,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 45 treesize of output 77 [2021-05-03 23:08:10,108 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-05-03 23:09:00,058 WARN L205 SmtUtils]: Spent 49.95 s on a formula simplification. DAG size of input: 635 DAG size of output: 611 [2021-05-03 23:09:00,062 INFO L628 ElimStorePlain]: treesize reduction 93, result has 97.4 percent of original size [2021-05-03 23:09:00,645 INFO L244 Elim1Store]: Index analysis took 533 ms [2021-05-03 23:09:02,130 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2021-05-03 23:09:02,134 INFO L354 Elim1Store]: treesize reduction 20, result has 72.6 percent of original size [2021-05-03 23:09:02,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 47 treesize of output 77 [2021-05-03 23:09:02,383 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-05-03 23:09:02,664 INFO L244 Elim1Store]: Index analysis took 230 ms [2021-05-03 23:09:03,513 WARN L205 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-05-03 23:09:03,515 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 23:09:03,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 47 treesize of output 97 [2021-05-03 23:09:04,260 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-05-03 23:09:53,657 WARN L205 SmtUtils]: Spent 49.40 s on a formula simplification. DAG size of input: 623 DAG size of output: 596 [2021-05-03 23:09:53,661 INFO L628 ElimStorePlain]: treesize reduction 144, result has 96.0 percent of original size [2021-05-03 23:09:54,193 INFO L244 Elim1Store]: Index analysis took 485 ms [2021-05-03 23:09:55,115 WARN L205 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 29 [2021-05-03 23:09:55,118 INFO L354 Elim1Store]: treesize reduction 32, result has 56.2 percent of original size [2021-05-03 23:09:55,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 51 treesize of output 65 [2021-05-03 23:09:55,129 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-05-03 23:09:55,349 INFO L244 Elim1Store]: Index analysis took 159 ms [2021-05-03 23:09:56,142 WARN L205 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2021-05-03 23:09:56,144 INFO L354 Elim1Store]: treesize reduction 20, result has 72.6 percent of original size [2021-05-03 23:09:56,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 51 treesize of output 77 [2021-05-03 23:09:56,235 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-05-03 23:10:20,830 WARN L205 SmtUtils]: Spent 24.59 s on a formula simplification that was a NOOP. DAG size: 590 [2021-05-03 23:10:20,834 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 23:10:21,629 INFO L244 Elim1Store]: Index analysis took 746 ms [2021-05-03 23:10:22,723 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2021-05-03 23:10:22,726 INFO L354 Elim1Store]: treesize reduction 20, result has 72.6 percent of original size [2021-05-03 23:10:22,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 47 treesize of output 77 [2021-05-03 23:10:22,907 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-05-03 23:10:23,086 INFO L244 Elim1Store]: Index analysis took 136 ms [2021-05-03 23:10:24,095 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 49 DAG size of output: 29 [2021-05-03 23:10:24,098 INFO L354 Elim1Store]: treesize reduction 32, result has 56.2 percent of original size [2021-05-03 23:10:24,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 47 treesize of output 65 [2021-05-03 23:10:24,117 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-05-03 23:10:50,685 WARN L205 SmtUtils]: Spent 26.57 s on a formula simplification that was a NOOP. DAG size: 584 [2021-05-03 23:10:50,689 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 23:10:51,373 INFO L244 Elim1Store]: Index analysis took 629 ms [2021-05-03 23:10:52,609 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2021-05-03 23:10:52,612 INFO L354 Elim1Store]: treesize reduction 20, result has 72.6 percent of original size [2021-05-03 23:10:52,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 51 treesize of output 77 [2021-05-03 23:10:52,808 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-05-03 23:10:53,073 INFO L244 Elim1Store]: Index analysis took 185 ms [2021-05-03 23:10:53,768 WARN L205 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-05-03 23:10:53,771 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 23:10:53,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 51 treesize of output 97 [2021-05-03 23:10:54,795 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-05-03 23:11:36,114 WARN L205 SmtUtils]: Spent 41.32 s on a formula simplification. DAG size of input: 618 DAG size of output: 569 [2021-05-03 23:11:36,120 INFO L628 ElimStorePlain]: treesize reduction 292, result has 91.9 percent of original size [2021-05-03 23:11:36,660 INFO L244 Elim1Store]: Index analysis took 492 ms [2021-05-03 23:11:37,859 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2021-05-03 23:11:37,862 INFO L354 Elim1Store]: treesize reduction 20, result has 72.6 percent of original size [2021-05-03 23:11:37,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 51 treesize of output 77 [2021-05-03 23:11:38,066 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-05-03 23:11:38,323 INFO L244 Elim1Store]: Index analysis took 200 ms [2021-05-03 23:11:38,929 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-05-03 23:11:38,932 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 23:11:38,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 51 treesize of output 97 [2021-05-03 23:11:39,300 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-05-03 23:12:03,630 WARN L205 SmtUtils]: Spent 24.33 s on a formula simplification that was a NOOP. DAG size: 554 [2021-05-03 23:12:03,633 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 23:12:04,356 INFO L244 Elim1Store]: Index analysis took 676 ms [2021-05-03 23:12:04,998 WARN L205 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-05-03 23:12:05,001 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 23:12:05,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 51 treesize of output 97 [2021-05-03 23:12:05,872 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-05-03 23:12:06,112 INFO L244 Elim1Store]: Index analysis took 195 ms [2021-05-03 23:12:07,236 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2021-05-03 23:12:07,239 INFO L354 Elim1Store]: treesize reduction 20, result has 72.6 percent of original size [2021-05-03 23:12:07,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 51 treesize of output 77 [2021-05-03 23:12:07,379 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-05-03 23:12:52,125 WARN L205 SmtUtils]: Spent 44.74 s on a formula simplification. DAG size of input: 576 DAG size of output: 539 [2021-05-03 23:12:52,130 INFO L628 ElimStorePlain]: treesize reduction 199, result has 94.1 percent of original size [2021-05-03 23:12:52,713 INFO L244 Elim1Store]: Index analysis took 535 ms [2021-05-03 23:12:53,937 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2021-05-03 23:12:53,941 INFO L354 Elim1Store]: treesize reduction 20, result has 72.6 percent of original size [2021-05-03 23:12:53,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 51 treesize of output 77 [2021-05-03 23:12:54,192 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-05-03 23:12:54,424 INFO L244 Elim1Store]: Index analysis took 178 ms [2021-05-03 23:12:55,430 WARN L205 SmtUtils]: Spent 998.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-05-03 23:12:55,434 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 23:12:55,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 51 treesize of output 97 [2021-05-03 23:12:56,214 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-05-03 23:13:42,805 WARN L205 SmtUtils]: Spent 46.59 s on a formula simplification. DAG size of input: 553 DAG size of output: 524 [2021-05-03 23:13:42,810 INFO L628 ElimStorePlain]: treesize reduction 157, result has 95.2 percent of original size [2021-05-03 23:13:43,324 INFO L244 Elim1Store]: Index analysis took 466 ms [2021-05-03 23:13:44,580 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2021-05-03 23:13:44,585 INFO L354 Elim1Store]: treesize reduction 20, result has 72.6 percent of original size [2021-05-03 23:13:44,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 51 treesize of output 77 [2021-05-03 23:13:44,815 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-05-03 23:13:45,069 INFO L244 Elim1Store]: Index analysis took 204 ms [2021-05-03 23:13:46,173 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 49 DAG size of output: 29 [2021-05-03 23:13:46,178 INFO L354 Elim1Store]: treesize reduction 32, result has 56.2 percent of original size [2021-05-03 23:13:46,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 51 treesize of output 65 [2021-05-03 23:13:46,198 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-05-03 23:14:33,863 WARN L205 SmtUtils]: Spent 47.66 s on a formula simplification. DAG size of input: 521 DAG size of output: 518 [2021-05-03 23:14:33,868 INFO L628 ElimStorePlain]: treesize reduction 14, result has 99.5 percent of original size [2021-05-03 23:14:34,511 INFO L244 Elim1Store]: Index analysis took 595 ms [2021-05-03 23:14:35,641 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2021-05-03 23:14:35,645 INFO L354 Elim1Store]: treesize reduction 20, result has 72.6 percent of original size [2021-05-03 23:14:35,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 77 [2021-05-03 23:14:35,832 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-05-03 23:14:36,097 INFO L244 Elim1Store]: Index analysis took 225 ms [2021-05-03 23:14:36,968 WARN L205 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 29 [2021-05-03 23:14:36,972 INFO L354 Elim1Store]: treesize reduction 32, result has 56.2 percent of original size [2021-05-03 23:14:36,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 65 [2021-05-03 23:14:36,990 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-05-03 23:15:20,693 WARN L205 SmtUtils]: Spent 43.70 s on a formula simplification. DAG size of input: 516 DAG size of output: 512 [2021-05-03 23:15:20,697 INFO L628 ElimStorePlain]: treesize reduction 34, result has 98.9 percent of original size [2021-05-03 23:15:21,280 INFO L244 Elim1Store]: Index analysis took 542 ms [2021-05-03 23:15:22,281 WARN L205 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2021-05-03 23:15:22,285 INFO L354 Elim1Store]: treesize reduction 20, result has 72.6 percent of original size [2021-05-03 23:15:22,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 51 treesize of output 77 [2021-05-03 23:15:22,433 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-05-03 23:15:22,664 INFO L244 Elim1Store]: Index analysis took 190 ms [2021-05-03 23:15:23,577 WARN L205 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 29 [2021-05-03 23:15:23,581 INFO L354 Elim1Store]: treesize reduction 32, result has 56.2 percent of original size [2021-05-03 23:15:23,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 51 treesize of output 65 [2021-05-03 23:15:23,596 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. Received shutdown request... [2021-05-03 23:15:24,512 WARN L222 SmtUtils]: Removed 2 from assertion stack [2021-05-03 23:15:24,714 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-05-03 23:15:24,714 WARN L545 AbstractCegarLoop]: Verification canceled [2021-05-03 23:15:24,722 WARN L224 ceAbstractionStarter]: Timeout [2021-05-03 23:15:24,723 INFO L202 PluginConnector]: Adding new model max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 11:15:24 BasicIcfg [2021-05-03 23:15:24,723 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-03 23:15:24,724 INFO L168 Benchmark]: Toolchain (without parser) took 853255.11 ms. Allocated memory was 396.4 MB in the beginning and 687.9 MB in the end (delta: 291.5 MB). Free memory was 376.0 MB in the beginning and 369.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 418.1 MB. Max. memory is 16.0 GB. [2021-05-03 23:15:24,724 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 396.4 MB. Free memory was 377.1 MB in the beginning and 377.0 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-03 23:15:24,724 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.31 ms. Allocated memory is still 396.4 MB. Free memory was 375.8 MB in the beginning and 374.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-03 23:15:24,724 INFO L168 Benchmark]: Boogie Preprocessor took 14.53 ms. Allocated memory is still 396.4 MB. Free memory was 374.4 MB in the beginning and 373.5 MB in the end (delta: 953.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-05-03 23:15:24,724 INFO L168 Benchmark]: RCFGBuilder took 280.64 ms. Allocated memory is still 396.4 MB. Free memory was 373.3 MB in the beginning and 360.6 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-05-03 23:15:24,724 INFO L168 Benchmark]: TraceAbstraction took 852929.39 ms. Allocated memory was 396.4 MB in the beginning and 687.9 MB in the end (delta: 291.5 MB). Free memory was 360.2 MB in the beginning and 369.7 MB in the end (delta: -9.5 MB). Peak memory consumption was 401.3 MB. Max. memory is 16.0 GB. [2021-05-03 23:15:24,725 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 396.4 MB. Free memory was 377.1 MB in the beginning and 377.0 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 22.31 ms. Allocated memory is still 396.4 MB. Free memory was 375.8 MB in the beginning and 374.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 14.53 ms. Allocated memory is still 396.4 MB. Free memory was 374.4 MB in the beginning and 373.5 MB in the end (delta: 953.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 280.64 ms. Allocated memory is still 396.4 MB. Free memory was 373.3 MB in the beginning and 360.6 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 852929.39 ms. Allocated memory was 396.4 MB in the beginning and 687.9 MB in the end (delta: 291.5 MB). Free memory was 360.2 MB in the beginning and 369.7 MB in the end (delta: -9.5 MB). Peak memory consumption was 401.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 292, positive: 217, positive conditional: 217, positive unconditional: 0, negative: 75, negative conditional: 75, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 217, positive: 217, positive conditional: 217, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 500, positive: 492, positive conditional: 0, positive unconditional: 492, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 231, positive: 223, positive conditional: 0, positive unconditional: 223, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 231, positive: 215, positive conditional: 0, positive unconditional: 215, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 109, positive conditional: 0, positive unconditional: 109, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 500, positive: 269, positive conditional: 0, positive unconditional: 269, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 231, unknown conditional: 0, unknown unconditional: 231] , Statistics on independence cache: Total cache size (in pairs): 231, Positive cache size: 223, Positive conditional cache size: 0, Positive unconditional cache size: 223, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 109, positive conditional: 0, positive unconditional: 109, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 231, Positive cache size: 223, Positive conditional cache size: 0, Positive unconditional cache size: 223, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 109, positive conditional: 0, positive unconditional: 109, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 231, Positive cache size: 223, Positive conditional cache size: 0, Positive unconditional cache size: 223, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 109, positive conditional: 0, positive unconditional: 109, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 231, Positive cache size: 223, Positive conditional cache size: 0, Positive unconditional cache size: 223, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 109, positive conditional: 0, positive unconditional: 109, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 231, Positive cache size: 223, Positive conditional cache size: 0, Positive unconditional cache size: 223, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 109, positive conditional: 0, positive unconditional: 109, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 231, Positive cache size: 223, Positive conditional cache size: 0, Positive unconditional cache size: 223, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 109, positive conditional: 0, positive unconditional: 109, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 231, Positive cache size: 223, Positive conditional cache size: 0, Positive unconditional cache size: 223, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 109, positive conditional: 0, positive unconditional: 109, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 231, Positive cache size: 223, Positive conditional cache size: 0, Positive unconditional cache size: 223, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 75 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 199, Number of persistent set computation: 234, Number of trivial persistent sets: 224, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 500, positive: 492, positive conditional: 0, positive unconditional: 492, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 231, positive: 223, positive conditional: 0, positive unconditional: 223, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 231, positive: 215, positive conditional: 0, positive unconditional: 215, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 109, positive conditional: 0, positive unconditional: 109, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 500, positive: 269, positive conditional: 0, positive unconditional: 269, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 231, unknown conditional: 0, unknown unconditional: 231] , Statistics on independence cache: Total cache size (in pairs): 231, Positive cache size: 223, Positive conditional cache size: 0, Positive unconditional cache size: 223, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8 - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 65). Cancelled while PartialOrderCegarLoop was analyzing trace of length 39 with TraceHistMax 5,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while SimplifyDDAWithTimeout was simplifying term of DAG size 510 for 911ms.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 852809.1ms, OverallIterations: 8, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.6ms, PartialOrderReductionTime: 3014.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 74, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 35.8ms SsaConstructionTime, 177.2ms SatisfiabilityAnalysisTime, 6705.9ms InterpolantComputationTime, 364 NumberOfCodeBlocks, 364 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 351 ConstructedInterpolants, 13 QuantifiedInterpolants, 8837 SizeOfPredicates, 20 NumberOfNonLiveVariables, 436 ConjunctsInSsa, 85 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 59/169 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown