/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-Persistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d47b94137d5c7dd60722882962a90fb345e61909-d47b941 [2021-05-04 02:05:17,734 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-04 02:05:17,737 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-04 02:05:17,775 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-05-04 02:05:17,834 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-04 02:05:17,835 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-04 02:05:17,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-04 02:05:17,840 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-Persistent-NoLbe.epf [2021-05-04 02:05:17,877 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-04 02:05:17,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-04 02:05:17,878 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-05-04 02:05:17,878 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-05-04 02:05:17,881 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-04 02:05:17,881 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-04 02:05:17,881 INFO L138 SettingsManager]: * Use SBE=true [2021-05-04 02:05:17,882 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-04 02:05:17,882 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-04 02:05:17,882 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-04 02:05:17,883 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-04 02:05:17,883 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-04 02:05:17,883 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-04 02:05:17,883 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-04 02:05:17,884 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-04 02:05:17,884 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-04 02:05:17,884 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-04 02:05:17,884 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-04 02:05:17,884 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-04 02:05:17,884 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-04 02:05:17,884 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-04 02:05:17,885 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-04 02:05:17,885 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-04 02:05:17,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-04 02:05:17,885 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-04 02:05:17,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-04 02:05:17,885 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-04 02:05:17,886 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-04 02:05:17,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-04 02:05:17,886 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-05-04 02:05:17,886 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-05-04 02:05:17,886 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-04 02:05:17,887 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SETS [2021-05-04 02:05:17,887 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-04 02:05:18,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-04 02:05:18,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-04 02:05:18,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-04 02:05:18,329 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-05-04 02:05:18,331 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-05-04 02:05:18,331 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl [2021-05-04 02:05:18,332 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl' [2021-05-04 02:05:18,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-04 02:05:18,499 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-05-04 02:05:18,501 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-05-04 02:05:18,501 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-05-04 02:05:18,501 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-05-04 02:05:18,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:05:18" (1/1) ... [2021-05-04 02:05:18,531 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:05:18" (1/1) ... [2021-05-04 02:05:18,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-05-04 02:05:18,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-04 02:05:18,547 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-04 02:05:18,547 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-04 02:05:18,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:05:18" (1/1) ... [2021-05-04 02:05:18,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:05:18" (1/1) ... [2021-05-04 02:05:18,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:05:18" (1/1) ... [2021-05-04 02:05:18,557 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:05:18" (1/1) ... [2021-05-04 02:05:18,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:05:18" (1/1) ... [2021-05-04 02:05:18,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:05:18" (1/1) ... [2021-05-04 02:05:18,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:05:18" (1/1) ... [2021-05-04 02:05:18,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-04 02:05:18,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-04 02:05:18,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-04 02:05:18,574 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-04 02:05:18,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:05:18" (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 [2021-05-04 02:05:18,750 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-05-04 02:05:18,751 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-05-04 02:05:18,751 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-05-04 02:05:18,751 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-05-04 02:05:18,751 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-05-04 02:05:18,751 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-05-04 02:05:18,751 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-05-04 02:05:18,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-04 02:05:18,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-04 02:05:18,752 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-05-04 02:05:18,752 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-05-04 02:05:18,752 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-05-04 02:05:18,753 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-05-04 02:05:19,085 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-04 02:05:19,086 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-05-04 02:05:19,087 INFO L202 PluginConnector]: Adding new model max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 02:05:19 BoogieIcfgContainer [2021-05-04 02:05:19,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-04 02:05:19,089 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-04 02:05:19,089 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-04 02:05:19,092 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-04 02:05:19,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:05:18" (1/2) ... [2021-05-04 02:05:19,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a850d94 and model type max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 02:05:19, skipping insertion in model container [2021-05-04 02:05:19,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 02:05:19" (2/2) ... [2021-05-04 02:05:19,095 INFO L111 eAbstractionObserver]: Analyzing ICFG max-fun.wvr.bpl [2021-05-04 02:05:19,100 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-05-04 02:05:19,100 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-04 02:05:19,103 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-04 02:05:19,104 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-05-04 02:05:19,163 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-05-04 02:05:19,211 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 [2021-05-04 02:05:19,259 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-04 02:05:19,259 INFO L377 AbstractCegarLoop]: Hoare is true [2021-05-04 02:05:19,259 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-04 02:05:19,273 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-04 02:05:19,273 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-04 02:05:19,273 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-04 02:05:19,273 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-04 02:05:19,273 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-04 02:05:19,506 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 02:05:19,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 02:05:19,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1481346448, now seen corresponding path program 1 times [2021-05-04 02:05:19,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 02:05:19,527 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524118803] [2021-05-04 02:05:19,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 02:05:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:05:19,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-04 02:05:19,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524118803] [2021-05-04 02:05:19,727 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-04 02:05:19,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-04 02:05:19,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586925701] [2021-05-04 02:05:19,733 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-04 02:05:19,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 02:05:19,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-04 02:05:19,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-05-04 02:05:19,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:05:19,750 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 02:05:19,752 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) [2021-05-04 02:05:19,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:05:19,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:05:19,816 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-04 02:05:19,816 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 02:05:19,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 02:05:19,819 INFO L82 PathProgramCache]: Analyzing trace with hash -2032408914, now seen corresponding path program 1 times [2021-05-04 02:05:19,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 02:05:19,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412044384] [2021-05-04 02:05:19,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 02:05:19,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:05:20,405 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:05:20,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412044384] [2021-05-04 02:05:20,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [921812859] [2021-05-04 02:05:20,406 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 [2021-05-04 02:05:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:05:20,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-05-04 02:05:20,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 02:05:20,961 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 [2021-05-04 02:05:20,963 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-04 02:05:20,969 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 [2021-05-04 02:05:20,974 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-05-04 02:05:20,984 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 [2021-05-04 02:05:20,990 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-05-04 02:05:20,995 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-05-04 02:05:20,996 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-05-04 02:05:21,000 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 [2021-05-04 02:05:21,004 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-05-04 02:05:21,008 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 [2021-05-04 02:05:21,009 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-05-04 02:05:21,049 INFO L628 ElimStorePlain]: treesize reduction 21, result has 58.0 percent of original size [2021-05-04 02:05:21,059 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-05-04 02:05:21,059 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:193, output treesize:21 [2021-05-04 02:05:21,117 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:05:21,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 02:05:21,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-05-04 02:05:21,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289435786] [2021-05-04 02:05:21,119 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-05-04 02:05:21,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 02:05:21,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-05-04 02:05:21,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-05-04 02:05:21,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:05:21,121 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 02:05:21,121 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 11 states have internal predecessors, (32), 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) [2021-05-04 02:05:21,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:05:21,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:05:21,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:05:21,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:05:21,522 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 02:05:21,522 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 02:05:21,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 02:05:21,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1387950156, now seen corresponding path program 2 times [2021-05-04 02:05:21,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 02:05:21,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357462014] [2021-05-04 02:05:21,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 02:05:21,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:05:21,612 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:05:21,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357462014] [2021-05-04 02:05:21,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195195556] [2021-05-04 02:05:21,613 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 02:05:21,669 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-04 02:05:21,670 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 02:05:21,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-05-04 02:05:21,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 02:05:22,034 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:05:22,035 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 02:05:22,035 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-05-04 02:05:22,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85502249] [2021-05-04 02:05:22,036 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-05-04 02:05:22,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 02:05:22,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-05-04 02:05:22,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-05-04 02:05:22,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:05:22,037 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 02:05:22,037 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) [2021-05-04 02:05:22,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:05:22,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:05:22,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:05:22,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:05:22,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:05:22,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:05:22,381 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 02:05:22,381 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 02:05:22,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 02:05:22,382 INFO L82 PathProgramCache]: Analyzing trace with hash 824260880, now seen corresponding path program 1 times [2021-05-04 02:05:22,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 02:05:22,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426323862] [2021-05-04 02:05:22,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 02:05:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:05:22,471 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-04 02:05:22,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426323862] [2021-05-04 02:05:22,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [117755805] [2021-05-04 02:05:22,472 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 [2021-05-04 02:05:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:05:22,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-05-04 02:05:22,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 02:05:22,655 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-04 02:05:22,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 02:05:22,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-05-04 02:05:22,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886156649] [2021-05-04 02:05:22,658 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-05-04 02:05:22,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 02:05:22,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-05-04 02:05:22,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-05-04 02:05:22,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:05:22,659 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 02:05:22,659 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) [2021-05-04 02:05:22,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:05:22,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:05:22,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:05:22,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:05:22,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:05:22,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:05:22,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:05:22,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:05:22,957 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 02:05:22,958 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 02:05:22,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 02:05:22,958 INFO L82 PathProgramCache]: Analyzing trace with hash -95579090, now seen corresponding path program 2 times [2021-05-04 02:05:22,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 02:05:22,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323738745] [2021-05-04 02:05:22,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 02:05:23,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:05:24,041 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 56 [2021-05-04 02:05:24,258 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2021-05-04 02:05:24,483 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 67 [2021-05-04 02:05:24,641 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2021-05-04 02:05:24,849 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2021-05-04 02:05:24,951 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:05:24,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323738745] [2021-05-04 02:05:24,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1761754895] [2021-05-04 02:05:24,952 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 [2021-05-04 02:05:25,039 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-04 02:05:25,040 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 02:05:25,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 34 conjunts are in the unsatisfiable core [2021-05-04 02:05:25,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 02:05:25,628 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-05-04 02:05:25,981 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-05-04 02:05:26,727 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 99 [2021-05-04 02:05:27,048 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-05-04 02:05:27,305 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-05-04 02:05:27,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:05:27,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:05:27,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:05:27,941 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:05:27,946 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:05:27,947 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 [2021-05-04 02:05:27,948 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-04 02:05:27,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:05:27,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:05:27,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:05:27,966 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:05:27,967 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 31 treesize of output 16 [2021-05-04 02:05:27,969 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-05-04 02:05:28,575 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 130 [2021-05-04 02:05:28,576 INFO L628 ElimStorePlain]: treesize reduction 226, result has 64.6 percent of original size [2021-05-04 02:05:28,589 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:05:28,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:05:28,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:05:28,592 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 35 treesize of output 19 [2021-05-04 02:05:28,595 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-05-04 02:05:28,816 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2021-05-04 02:05:28,817 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:05:28,817 INFO L518 ElimStorePlain]: Eliminatee v_prenex_10 vanished before elimination [2021-05-04 02:05:28,833 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:05:28,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:05:28,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:05:28,836 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:05:28,840 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 33 treesize of output 19 [2021-05-04 02:05:28,845 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-05-04 02:05:28,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:05:28,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:05:28,858 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 26 treesize of output 16 [2021-05-04 02:05:28,860 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-05-04 02:05:29,063 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-05-04 02:05:29,064 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:05:29,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:05:29,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:05:29,075 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 [2021-05-04 02:05:29,081 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-05-04 02:05:29,088 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:05:29,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:05:29,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:05:29,092 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 40 treesize of output 22 [2021-05-04 02:05:29,095 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-05-04 02:05:29,251 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-05-04 02:05:29,251 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:05:29,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:05:29,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:05:29,260 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:05:29,261 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 35 treesize of output 19 [2021-05-04 02:05:29,269 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-05-04 02:05:29,521 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-05-04 02:05:29,522 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:05:29,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:05:29,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:05:29,532 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 [2021-05-04 02:05:29,534 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-05-04 02:05:29,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:05:29,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:05:29,542 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:05:29,543 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 35 treesize of output 19 [2021-05-04 02:05:29,544 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-05-04 02:05:29,654 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-05-04 02:05:29,657 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:05:29,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:05:29,663 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:05:29,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:05:29,665 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 33 treesize of output 19 [2021-05-04 02:05:29,667 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-05-04 02:05:29,768 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-05-04 02:05:29,768 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:05:29,786 INFO L550 ElimStorePlain]: Start of recursive call 1: 16 dim-0 vars, 8 dim-1 vars, End of recursive call: and 9 xjuncts. [2021-05-04 02:05:29,787 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 24 variables, input treesize:704, output treesize:94 [2021-05-04 02:05:30,331 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 20 [2021-05-04 02:05:30,364 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:05:30,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 02:05:30,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 22 [2021-05-04 02:05:30,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514435688] [2021-05-04 02:05:30,365 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-05-04 02:05:30,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 02:05:30,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-05-04 02:05:30,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2021-05-04 02:05:30,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:05:30,365 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 02:05:30,366 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 2.5454545454545454) internal successors, (56), 22 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-04 02:05:30,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:05:30,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:05:30,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:05:30,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:05:30,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:05:30,817 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 47 [2021-05-04 02:05:31,124 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 74 [2021-05-04 02:05:31,972 WARN L205 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 89 [2021-05-04 02:05:32,531 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 87 [2021-05-04 02:05:32,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:05:32,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:05:32,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:05:32,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:05:32,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:05:32,834 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-05-04 02:05:32,835 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 02:05:32,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 02:05:32,835 INFO L82 PathProgramCache]: Analyzing trace with hash 701472716, now seen corresponding path program 3 times [2021-05-04 02:05:32,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 02:05:32,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827096591] [2021-05-04 02:05:32,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 02:05:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:05:32,923 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:05:32,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827096591] [2021-05-04 02:05:32,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80206487] [2021-05-04 02:05:32,924 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 [2021-05-04 02:05:32,995 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-05-04 02:05:32,995 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 02:05:32,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-05-04 02:05:32,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 02:05:33,244 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:05:33,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 02:05:33,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-05-04 02:05:33,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802809201] [2021-05-04 02:05:33,247 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-05-04 02:05:33,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 02:05:33,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-05-04 02:05:33,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-05-04 02:05:33,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:05:33,248 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 02:05:33,248 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) [2021-05-04 02:05:33,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:05:33,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:05:33,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:05:33,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:05:33,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:05:33,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:05:33,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:05:33,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:05:33,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:05:33,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:05:33,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:05:33,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-04 02:05:33,686 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 02:05:33,687 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 02:05:33,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 02:05:33,687 INFO L82 PathProgramCache]: Analyzing trace with hash 319989904, now seen corresponding path program 4 times [2021-05-04 02:05:33,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 02:05:33,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006290016] [2021-05-04 02:05:33,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 02:05:33,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:05:33,762 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-04 02:05:33,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006290016] [2021-05-04 02:05:33,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2120749717] [2021-05-04 02:05:33,762 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 [2021-05-04 02:05:33,793 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-04 02:05:33,794 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 02:05:33,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-05-04 02:05:33,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 02:05:33,904 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-04 02:05:33,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 02:05:33,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-05-04 02:05:33,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10275496] [2021-05-04 02:05:33,905 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-05-04 02:05:33,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 02:05:33,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-05-04 02:05:33,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-05-04 02:05:33,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:05:33,906 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 02:05:33,906 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) [2021-05-04 02:05:33,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:05:33,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:05:33,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:05:33,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:05:33,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:05:33,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-05-04 02:05:33,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:05:34,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:05:34,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:05:34,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:05:34,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:05:34,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:05:34,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-04 02:05:34,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:05:34,255 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 02:05:34,255 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 02:05:34,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 02:05:34,256 INFO L82 PathProgramCache]: Analyzing trace with hash -1548155474, now seen corresponding path program 5 times [2021-05-04 02:05:34,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 02:05:34,256 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188348365] [2021-05-04 02:05:34,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 02:05:34,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:05:35,613 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 60 [2021-05-04 02:05:36,386 WARN L205 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 85 [2021-05-04 02:05:37,724 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 267 DAG size of output: 152 [2021-05-04 02:05:39,143 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 277 DAG size of output: 187 [2021-05-04 02:05:40,713 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 271 DAG size of output: 182 [2021-05-04 02:05:41,608 WARN L205 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 111 [2021-05-04 02:05:42,074 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 70 [2021-05-04 02:05:42,280 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 40 [2021-05-04 02:05:42,480 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 37 [2021-05-04 02:05:42,698 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:05:42,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188348365] [2021-05-04 02:05:42,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [13322975] [2021-05-04 02:05:42,699 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 [2021-05-04 02:05:42,763 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-05-04 02:05:42,764 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 02:05:42,765 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 49 conjunts are in the unsatisfiable core [2021-05-04 02:05:42,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 02:05:44,937 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 119 [2021-05-04 02:05:46,626 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 355 [2021-05-04 02:05:49,170 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 364 [2021-05-04 02:05:51,746 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 365 [2021-05-04 02:05:54,185 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 367 [2021-05-04 02:05:56,142 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 366 [2021-05-04 02:05:57,870 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 380 [2021-05-04 02:06:00,339 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 379 [2021-05-04 02:06:01,468 INFO L446 ElimStorePlain]: Different costs {9=[v_prenex_100, v_prenex_102, v_prenex_90, v_prenex_104, v_prenex_106, v_prenex_72, v_prenex_94, v_prenex_92, v_prenex_70, v_prenex_98, v_prenex_76, v_prenex_96, v_prenex_74, v_prenex_57, v_prenex_78, v_prenex_55, v_prenex_110, v_prenex_112, v_prenex_108, A, v_prenex_60, v_prenex_82, v_prenex_80, v_prenex_86, v_prenex_64, v_prenex_62, v_prenex_84, v_prenex_68, v_prenex_88, v_prenex_66], 15=[v_prenex_53, v_prenex_114]} [2021-05-04 02:06:01,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:01,531 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:06:01,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:01,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:01,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:01,548 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:06:01,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-05-04 02:06:01,595 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-04 02:06:01,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:01,645 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:06:01,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:01,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:01,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:01,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-05-04 02:06:01,658 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-05-04 02:06:12,049 WARN L205 SmtUtils]: Spent 10.39 s on a formula simplification. DAG size of input: 807 DAG size of output: 752 [2021-05-04 02:06:12,052 INFO L628 ElimStorePlain]: treesize reduction 1250, result has 68.2 percent of original size [2021-05-04 02:06:12,100 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:06:12,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:12,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:12,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:12,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:12,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-05-04 02:06:12,115 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-05-04 02:06:16,094 WARN L205 SmtUtils]: Spent 3.98 s on a formula simplification that was a NOOP. DAG size: 738 [2021-05-04 02:06:16,094 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:06:16,130 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:06:16,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:16,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:16,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:16,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:16,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-05-04 02:06:16,145 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-05-04 02:06:20,552 WARN L205 SmtUtils]: Spent 4.41 s on a formula simplification that was a NOOP. DAG size: 723 [2021-05-04 02:06:20,553 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:06:20,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:20,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:20,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:20,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:20,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-05-04 02:06:20,661 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-05-04 02:06:20,707 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:06:20,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:20,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:20,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:20,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:20,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-05-04 02:06:20,732 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-05-04 02:06:26,188 WARN L205 SmtUtils]: Spent 5.45 s on a formula simplification that was a NOOP. DAG size: 708 [2021-05-04 02:06:26,189 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:06:26,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:26,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:26,272 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:06:26,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:26,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:26,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-05-04 02:06:26,284 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-05-04 02:06:31,927 WARN L205 SmtUtils]: Spent 5.64 s on a formula simplification that was a NOOP. DAG size: 693 [2021-05-04 02:06:31,928 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:06:31,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:06:31,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:31,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:31,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:31,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:31,996 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:06:32,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-05-04 02:06:32,059 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-05-04 02:06:32,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:32,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:32,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:32,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:32,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-05-04 02:06:32,145 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-05-04 02:06:37,613 WARN L205 SmtUtils]: Spent 5.47 s on a formula simplification that was a NOOP. DAG size: 679 [2021-05-04 02:06:37,614 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:06:37,663 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:06:37,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:37,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:37,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:37,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:37,685 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:06:37,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-05-04 02:06:37,768 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-05-04 02:06:37,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:37,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:37,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:37,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:37,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 22 [2021-05-04 02:06:37,902 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-05-04 02:06:43,510 WARN L205 SmtUtils]: Spent 5.61 s on a formula simplification that was a NOOP. DAG size: 663 [2021-05-04 02:06:43,518 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:06:43,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:43,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:43,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:43,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:43,582 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:06:43,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-05-04 02:06:43,591 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-05-04 02:06:48,249 WARN L205 SmtUtils]: Spent 4.66 s on a formula simplification that was a NOOP. DAG size: 649 [2021-05-04 02:06:48,251 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:06:48,293 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:06:48,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:48,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:48,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:48,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:48,317 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:06:48,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-05-04 02:06:48,379 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-05-04 02:06:48,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:48,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:48,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:48,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:48,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-05-04 02:06:48,449 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-05-04 02:06:54,329 WARN L205 SmtUtils]: Spent 5.88 s on a formula simplification that was a NOOP. DAG size: 632 [2021-05-04 02:06:54,330 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:06:54,376 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:06:54,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:54,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:54,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:54,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:54,397 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:06:54,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2021-05-04 02:06:54,473 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-05-04 02:06:54,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:54,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:54,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:54,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:06:54,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-05-04 02:06:54,548 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-05-04 02:07:00,024 WARN L205 SmtUtils]: Spent 5.48 s on a formula simplification that was a NOOP. DAG size: 615 [2021-05-04 02:07:00,026 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:07:00,077 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:07:00,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:00,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:00,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:00,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:00,145 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:07:00,306 INFO L244 Elim1Store]: Index analysis took 236 ms [2021-05-04 02:07:00,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-05-04 02:07:00,334 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-05-04 02:07:00,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:00,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:00,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:00,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:00,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-05-04 02:07:00,552 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-05-04 02:07:05,860 WARN L205 SmtUtils]: Spent 5.31 s on a formula simplification that was a NOOP. DAG size: 598 [2021-05-04 02:07:05,861 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:07:05,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:05,899 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:07:05,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:05,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:05,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:05,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:07:05,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-05-04 02:07:05,975 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-05-04 02:07:06,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:06,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:06,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:06,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:06,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-05-04 02:07:06,074 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-05-04 02:07:11,826 WARN L205 SmtUtils]: Spent 5.75 s on a formula simplification that was a NOOP. DAG size: 581 [2021-05-04 02:07:11,829 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:07:11,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:11,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:11,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:11,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:11,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-05-04 02:07:11,960 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-05-04 02:07:12,004 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:07:12,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:12,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:12,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:12,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:12,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-05-04 02:07:12,037 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-05-04 02:07:16,869 WARN L205 SmtUtils]: Spent 4.83 s on a formula simplification that was a NOOP. DAG size: 564 [2021-05-04 02:07:16,870 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:07:16,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:16,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:16,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:16,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:16,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-05-04 02:07:16,978 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-05-04 02:07:17,013 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:07:17,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:17,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:17,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:17,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:17,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-05-04 02:07:17,035 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-05-04 02:07:21,882 WARN L205 SmtUtils]: Spent 4.85 s on a formula simplification that was a NOOP. DAG size: 547 [2021-05-04 02:07:21,883 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:07:21,923 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:07:21,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:21,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:21,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:21,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:21,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-05-04 02:07:21,954 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-05-04 02:07:26,639 WARN L205 SmtUtils]: Spent 4.68 s on a formula simplification that was a NOOP. DAG size: 532 [2021-05-04 02:07:26,640 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:07:26,701 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:07:26,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:26,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:26,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:26,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:26,728 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:07:26,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-05-04 02:07:26,794 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-05-04 02:07:26,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:26,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:26,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:26,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:26,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-05-04 02:07:26,883 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-05-04 02:07:31,441 WARN L205 SmtUtils]: Spent 4.56 s on a formula simplification that was a NOOP. DAG size: 515 [2021-05-04 02:07:31,443 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:07:31,477 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:07:31,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:31,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:31,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:31,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:31,494 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:07:31,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-05-04 02:07:31,555 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-05-04 02:07:31,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:31,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:31,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:31,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:31,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-05-04 02:07:31,613 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-05-04 02:07:36,016 WARN L205 SmtUtils]: Spent 4.40 s on a formula simplification that was a NOOP. DAG size: 500 [2021-05-04 02:07:36,017 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:07:36,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:36,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:36,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:36,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:36,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-05-04 02:07:36,152 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-05-04 02:07:36,183 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:07:36,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:36,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:36,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:36,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:36,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-05-04 02:07:36,218 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-05-04 02:07:40,775 WARN L205 SmtUtils]: Spent 4.56 s on a formula simplification that was a NOOP. DAG size: 483 [2021-05-04 02:07:40,777 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:07:40,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:40,813 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:07:40,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:40,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:40,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:40,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-05-04 02:07:40,832 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-05-04 02:07:45,387 WARN L205 SmtUtils]: Spent 4.55 s on a formula simplification that was a NOOP. DAG size: 468 [2021-05-04 02:07:45,389 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:07:45,422 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:07:45,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:45,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:45,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:45,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:45,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-05-04 02:07:45,482 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-05-04 02:07:49,689 WARN L205 SmtUtils]: Spent 4.21 s on a formula simplification that was a NOOP. DAG size: 453 [2021-05-04 02:07:49,691 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:07:49,725 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:07:49,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:49,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:49,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:49,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:49,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-05-04 02:07:49,757 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-05-04 02:07:53,950 WARN L205 SmtUtils]: Spent 4.19 s on a formula simplification that was a NOOP. DAG size: 438 [2021-05-04 02:07:53,952 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:07:53,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:53,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:54,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:54,003 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:07:54,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:54,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-05-04 02:07:54,018 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-05-04 02:07:58,809 WARN L205 SmtUtils]: Spent 4.79 s on a formula simplification that was a NOOP. DAG size: 423 [2021-05-04 02:07:58,811 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:07:58,872 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:07:58,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:58,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:58,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:58,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:07:58,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-05-04 02:07:58,905 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-05-04 02:08:03,019 WARN L205 SmtUtils]: Spent 4.11 s on a formula simplification that was a NOOP. DAG size: 408 [2021-05-04 02:08:03,021 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:08:03,078 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:08:03,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:03,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:03,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:03,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:03,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-05-04 02:08:03,115 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-05-04 02:08:06,784 WARN L205 SmtUtils]: Spent 3.67 s on a formula simplification that was a NOOP. DAG size: 393 [2021-05-04 02:08:06,786 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:08:06,817 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:08:06,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:06,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:06,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:06,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:06,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-05-04 02:08:06,838 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-05-04 02:08:09,886 WARN L205 SmtUtils]: Spent 3.05 s on a formula simplification that was a NOOP. DAG size: 378 [2021-05-04 02:08:09,887 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:08:09,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:09,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:09,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:09,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:09,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-05-04 02:08:09,989 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-05-04 02:08:10,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:10,019 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:08:10,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:10,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:10,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:10,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-05-04 02:08:10,039 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-05-04 02:08:13,377 WARN L205 SmtUtils]: Spent 3.34 s on a formula simplification that was a NOOP. DAG size: 361 [2021-05-04 02:08:13,379 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:08:13,414 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:08:13,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:13,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:13,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:13,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:13,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-05-04 02:08:13,442 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-05-04 02:08:16,478 WARN L205 SmtUtils]: Spent 3.04 s on a formula simplification that was a NOOP. DAG size: 346 [2021-05-04 02:08:16,479 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:08:16,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:16,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:16,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:16,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:16,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-05-04 02:08:16,570 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-05-04 02:08:16,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:16,597 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:08:16,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:16,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:16,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:16,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-05-04 02:08:16,620 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-05-04 02:08:19,783 WARN L205 SmtUtils]: Spent 3.16 s on a formula simplification that was a NOOP. DAG size: 329 [2021-05-04 02:08:19,785 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:08:19,811 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:08:19,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:19,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:19,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:19,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:19,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-05-04 02:08:19,840 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-05-04 02:08:22,865 WARN L205 SmtUtils]: Spent 3.02 s on a formula simplification that was a NOOP. DAG size: 314 [2021-05-04 02:08:22,867 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:08:22,891 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:08:22,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:22,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:22,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:22,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:22,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-05-04 02:08:22,919 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-05-04 02:08:25,840 WARN L205 SmtUtils]: Spent 2.92 s on a formula simplification that was a NOOP. DAG size: 299 [2021-05-04 02:08:25,842 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:08:25,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:25,871 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:08:25,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:25,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:25,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:25,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:25,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:25,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:25,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:25,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:25,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:25,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-05-04 02:08:25,919 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-05-04 02:08:28,454 WARN L205 SmtUtils]: Spent 2.53 s on a formula simplification that was a NOOP. DAG size: 283 [2021-05-04 02:08:28,456 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:08:28,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:28,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:28,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:28,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:28,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:28,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:28,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:28,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:28,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:28,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:08:28,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2021-05-04 02:08:28,514 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-05-04 02:08:30,508 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification that was a NOOP. DAG size: 270 [2021-05-04 02:08:30,509 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:08:30,558 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 32 dim-1 vars, End of recursive call: and 22 xjuncts. [2021-05-04 02:08:30,558 INFO L247 ElimStorePlain]: Needed 48 recursive calls to eliminate 96 variables, input treesize:4005, output treesize:236 [2021-05-04 02:08:31,109 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 21 [2021-05-04 02:08:31,160 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:08:31,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 02:08:31,160 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-05-04 02:08:31,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563913335] [2021-05-04 02:08:31,161 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-05-04 02:08:31,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 02:08:31,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-05-04 02:08:31,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=895, Unknown=0, NotChecked=0, Total=992 [2021-05-04 02:08:31,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:08:31,162 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 02:08:31,162 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.3125) internal successors, (74), 32 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-04 02:08:31,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:08:31,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:08:31,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:08:31,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:08:31,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:08:31,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-05-04 02:08:31,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:08:31,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:08:32,239 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 35 [2021-05-04 02:08:32,590 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 31 [2021-05-04 02:08:33,669 WARN L205 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 48 [2021-05-04 02:08:34,221 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 44 [2021-05-04 02:08:35,630 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 133 DAG size of output: 66 [2021-05-04 02:08:36,508 WARN L205 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 64 [2021-05-04 02:08:39,833 WARN L205 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 163 DAG size of output: 97 [2021-05-04 02:08:41,469 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 199 DAG size of output: 93 [2021-05-04 02:08:50,987 WARN L205 SmtUtils]: Spent 8.96 s on a formula simplification. DAG size of input: 597 DAG size of output: 269 [2021-05-04 02:09:16,900 WARN L205 SmtUtils]: Spent 25.38 s on a formula simplification. DAG size of input: 275 DAG size of output: 230 [2021-05-04 02:09:51,104 WARN L205 SmtUtils]: Spent 33.30 s on a formula simplification. DAG size of input: 578 DAG size of output: 267 [2021-05-04 02:09:52,798 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-05-04 02:09:55,091 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 110 [2021-05-04 02:09:58,616 WARN L205 SmtUtils]: Spent 2.74 s on a formula simplification that was a NOOP. DAG size: 182 [2021-05-04 02:09:58,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:09:58,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:09:58,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:09:58,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:09:58,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:09:58,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-04 02:09:58,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:09:58,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-05-04 02:09:59,048 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2021-05-04 02:09:59,049 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 02:09:59,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 02:09:59,049 INFO L82 PathProgramCache]: Analyzing trace with hash -475307896, now seen corresponding path program 6 times [2021-05-04 02:09:59,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 02:09:59,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102451063] [2021-05-04 02:09:59,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 02:09:59,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:09:59,715 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:09:59,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102451063] [2021-05-04 02:09:59,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1730078364] [2021-05-04 02:09:59,715 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 02:09:59,771 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-05-04 02:09:59,771 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 02:09:59,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 16 conjunts are in the unsatisfiable core [2021-05-04 02:09:59,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 02:10:01,295 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:10:01,295 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 02:10:01,295 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-05-04 02:10:01,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512332662] [2021-05-04 02:10:01,296 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-05-04 02:10:01,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 02:10:01,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-05-04 02:10:01,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-05-04 02:10:01,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:10:01,297 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 02:10:01,298 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.3793103448275863) internal successors, (69), 29 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-04 02:10:01,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:10:01,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:10:01,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:10:01,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:10:01,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:10:01,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-05-04 02:10:01,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:10:01,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-05-04 02:10:01,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:10:01,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:10:01,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:10:01,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:10:01,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:10:01,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:10:01,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-04 02:10:01,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:10:01,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-05-04 02:10:01,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-04 02:10:02,175 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable208,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 02:10:02,176 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 02:10:02,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 02:10:02,176 INFO L82 PathProgramCache]: Analyzing trace with hash -1431715930, now seen corresponding path program 7 times [2021-05-04 02:10:02,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 02:10:02,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605181339] [2021-05-04 02:10:02,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 02:10:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:10:09,255 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 12 [2021-05-04 02:10:09,395 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 15 [2021-05-04 02:10:09,842 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 30 [2021-05-04 02:10:10,818 WARN L205 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2021-05-04 02:10:12,778 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 332 DAG size of output: 224 [2021-05-04 02:10:15,779 WARN L205 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 221 DAG size of output: 67 [2021-05-04 02:10:21,313 WARN L205 SmtUtils]: Spent 5.52 s on a formula simplification. DAG size of input: 535 DAG size of output: 395 [2021-05-04 02:10:28,180 WARN L205 SmtUtils]: Spent 6.64 s on a formula simplification. DAG size of input: 395 DAG size of output: 112 [2021-05-04 02:10:48,339 WARN L205 SmtUtils]: Spent 20.15 s on a formula simplification. DAG size of input: 764 DAG size of output: 962 [2021-05-04 02:10:49,421 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 962 DAG size of output: 946 [2021-05-04 02:11:19,790 WARN L205 SmtUtils]: Spent 29.98 s on a formula simplification. DAG size of input: 962 DAG size of output: 199 [2021-05-04 02:11:59,492 WARN L205 SmtUtils]: Spent 39.68 s on a formula simplification. DAG size of input: 918 DAG size of output: 1408 [2021-05-04 02:12:01,317 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 1408 DAG size of output: 1423 [2021-05-04 02:13:04,871 WARN L205 SmtUtils]: Spent 1.05 m on a formula simplification. DAG size of input: 1408 DAG size of output: 279 [2021-05-04 02:14:00,861 WARN L205 SmtUtils]: Spent 55.84 s on a formula simplification. DAG size of input: 927 DAG size of output: 1417 [2021-05-04 02:14:02,154 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 1417 DAG size of output: 1402 [2021-05-04 02:15:12,245 WARN L205 SmtUtils]: Spent 1.16 m on a formula simplification. DAG size of input: 1417 DAG size of output: 274 [2021-05-04 02:16:05,084 WARN L205 SmtUtils]: Spent 52.82 s on a formula simplification. DAG size of input: 895 DAG size of output: 825 [2021-05-04 02:16:06,075 WARN L205 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 825 DAG size of output: 850 [2021-05-04 02:17:22,156 WARN L205 SmtUtils]: Spent 1.25 m on a formula simplification. DAG size of input: 825 DAG size of output: 300 [2021-05-04 02:18:06,112 WARN L205 SmtUtils]: Spent 43.89 s on a formula simplification. DAG size of input: 874 DAG size of output: 864 [2021-05-04 02:18:07,851 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 864 DAG size of output: 920 [2021-05-04 02:19:21,374 WARN L205 SmtUtils]: Spent 1.21 m on a formula simplification. DAG size of input: 864 DAG size of output: 300 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown