/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-Sleep-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-proofs/producer-consumer-equiv-NAo.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a865e3bea3ade1065a4c95009cfa501fe03c5538-a865e3b [2021-02-19 23:10:30,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 23:10:30,461 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 23:10:30,498 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-19 23:10:30,534 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-Sleep-NoLbe-Delay.epf [2021-02-19 23:10:30,566 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 23:10:30,566 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 23:10:30,567 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-02-19 23:10:30,567 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-02-19 23:10:30,568 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 23:10:30,568 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 23:10:30,568 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 23:10:30,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 23:10:30,569 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 23:10:30,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 23:10:30,569 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 23:10:30,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 23:10:30,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 23:10:30,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 23:10:30,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 23:10:30,570 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 23:10:30,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 23:10:30,570 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 23:10:30,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 23:10:30,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 23:10:30,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 23:10:30,571 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-19 23:10:30,571 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 23:10:30,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 23:10:30,571 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 23:10:30,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 23:10:30,572 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 23:10:30,572 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 23:10:30,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 23:10:30,572 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-02-19 23:10:30,572 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-02-19 23:10:30,572 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 23:10:30,572 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-02-19 23:10:30,573 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 23:10:30,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 23:10:30,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 23:10:30,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 23:10:30,958 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-02-19 23:10:30,960 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-02-19 23:10:30,964 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-proofs/producer-consumer-equiv-NAo.wvr.bpl [2021-02-19 23:10:30,965 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-proofs/producer-consumer-equiv-NAo.wvr.bpl' [2021-02-19 23:10:30,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 23:10:31,004 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 23:10:31,006 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-02-19 23:10:31,006 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-02-19 23:10:31,006 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-02-19 23:10:31,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "producer-consumer-equiv-NAo.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:10:30" (1/1) ... [2021-02-19 23:10:31,024 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "producer-consumer-equiv-NAo.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:10:30" (1/1) ... [2021-02-19 23:10:31,030 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-02-19 23:10:31,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 23:10:31,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 23:10:31,031 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 23:10:31,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "producer-consumer-equiv-NAo.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:10:30" (1/1) ... [2021-02-19 23:10:31,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "producer-consumer-equiv-NAo.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:10:30" (1/1) ... [2021-02-19 23:10:31,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "producer-consumer-equiv-NAo.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:10:30" (1/1) ... [2021-02-19 23:10:31,040 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "producer-consumer-equiv-NAo.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:10:30" (1/1) ... [2021-02-19 23:10:31,042 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "producer-consumer-equiv-NAo.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:10:30" (1/1) ... [2021-02-19 23:10:31,045 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "producer-consumer-equiv-NAo.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:10:30" (1/1) ... [2021-02-19 23:10:31,046 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "producer-consumer-equiv-NAo.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:10:30" (1/1) ... [2021-02-19 23:10:31,051 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 23:10:31,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 23:10:31,053 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 23:10:31,053 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 23:10:31,054 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "producer-consumer-equiv-NAo.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:10:30" (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 [2021-02-19 23:10:31,119 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-02-19 23:10:31,119 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-02-19 23:10:31,119 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-02-19 23:10:31,119 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-02-19 23:10:31,119 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-02-19 23:10:31,119 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-02-19 23:10:31,119 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-02-19 23:10:31,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 23:10:31,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 23:10:31,120 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-02-19 23:10:31,121 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-02-19 23:10:31,121 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-02-19 23:10:31,122 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-02-19 23:10:31,321 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 23:10:31,321 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-19 23:10:31,323 INFO L202 PluginConnector]: Adding new model producer-consumer-equiv-NAo.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 11:10:31 BoogieIcfgContainer [2021-02-19 23:10:31,323 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 23:10:31,324 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 23:10:31,324 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 23:10:31,327 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 23:10:31,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "producer-consumer-equiv-NAo.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:10:30" (1/2) ... [2021-02-19 23:10:31,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ed070c7 and model type producer-consumer-equiv-NAo.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 11:10:31, skipping insertion in model container [2021-02-19 23:10:31,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "producer-consumer-equiv-NAo.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 11:10:31" (2/2) ... [2021-02-19 23:10:31,329 INFO L111 eAbstractionObserver]: Analyzing ICFG producer-consumer-equiv-NAo.wvr.bpl [2021-02-19 23:10:31,334 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-02-19 23:10:31,334 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 23:10:31,337 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 23:10:31,338 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-02-19 23:10:31,372 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-02-19 23:10:31,398 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) [2021-02-19 23:10:31,439 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 23:10:31,439 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 23:10:31,439 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 23:10:31,439 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 23:10:31,439 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 23:10:31,439 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 23:10:31,439 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 23:10:31,439 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-02-19 23:10:31,596 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:10:31,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:10:31,601 INFO L82 PathProgramCache]: Analyzing trace with hash 784803350, now seen corresponding path program 1 times [2021-02-19 23:10:31,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:10:31,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794632916] [2021-02-19 23:10:31,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:10:31,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:10:31,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-19 23:10:31,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794632916] [2021-02-19 23:10:31,818 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 23:10:31,818 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-02-19 23:10:31,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794095271] [2021-02-19 23:10:31,822 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-19 23:10:31,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:10:31,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-19 23:10:31,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-19 23:10:31,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:10:31,838 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:10:31,841 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 23:10:31,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:10:31,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:31,932 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 23:10:31,932 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:10:31,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:10:31,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1591030669, now seen corresponding path program 1 times [2021-02-19 23:10:31,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:10:31,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820684571] [2021-02-19 23:10:31,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:10:31,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:10:32,113 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:10:32,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820684571] [2021-02-19 23:10:32,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743417066] [2021-02-19 23:10:32,114 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 [2021-02-19 23:10:32,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:10:32,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 13 conjunts are in the unsatisfiable core [2021-02-19 23:10:32,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:10:32,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-02-19 23:10:32,336 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:10:32,338 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:32,339 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:10:32,340 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2021-02-19 23:10:32,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-02-19 23:10:32,380 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-02-19 23:10:32,385 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:32,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-02-19 23:10:32,394 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 23:10:32,396 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:32,396 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:10:32,397 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:19, output treesize:3 [2021-02-19 23:10:32,420 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:10:32,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:10:32,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-02-19 23:10:32,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743377521] [2021-02-19 23:10:32,422 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-19 23:10:32,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:10:32,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-19 23:10:32,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-02-19 23:10:32,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:10:32,424 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:10:32,424 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 23:10:32,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:32,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:10:32,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:32,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:10:32,794 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:10:32,795 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:10:32,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:10:32,796 INFO L82 PathProgramCache]: Analyzing trace with hash -886847220, now seen corresponding path program 2 times [2021-02-19 23:10:32,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:10:32,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7197684] [2021-02-19 23:10:32,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:10:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:10:32,862 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-02-19 23:10:32,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7197684] [2021-02-19 23:10:32,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 23:10:32,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-19 23:10:32,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139351220] [2021-02-19 23:10:32,864 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-19 23:10:32,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:10:32,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-19 23:10:32,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-19 23:10:32,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:10:32,865 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:10:32,865 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 23:10:32,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:32,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:10:32,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:10:32,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:32,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:10:32,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:32,905 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-19 23:10:32,905 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:10:32,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:10:32,907 INFO L82 PathProgramCache]: Analyzing trace with hash 571951887, now seen corresponding path program 3 times [2021-02-19 23:10:32,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:10:32,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512207431] [2021-02-19 23:10:32,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:10:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:10:32,988 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 23:10:32,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512207431] [2021-02-19 23:10:32,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363378943] [2021-02-19 23:10:32,989 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:10:33,035 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-02-19 23:10:33,035 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:10:33,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2021-02-19 23:10:33,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:10:33,108 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 23:10:33,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:10:33,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3] total 5 [2021-02-19 23:10:33,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025765162] [2021-02-19 23:10:33,110 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-19 23:10:33,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:10:33,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-19 23:10:33,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-02-19 23:10:33,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:10:33,111 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:10:33,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 23:10:33,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:33,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:10:33,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:33,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:10:33,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:33,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:10:33,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:33,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-19 23:10:33,350 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:10:33,350 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:10:33,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:10:33,351 INFO L82 PathProgramCache]: Analyzing trace with hash -119312340, now seen corresponding path program 4 times [2021-02-19 23:10:33,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:10:33,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918251733] [2021-02-19 23:10:33,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:10:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:10:33,433 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-02-19 23:10:33,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918251733] [2021-02-19 23:10:33,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [771666489] [2021-02-19 23:10:33,434 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:10:33,477 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-19 23:10:33,477 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:10:33,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjunts are in the unsatisfiable core [2021-02-19 23:10:33,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:10:33,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-02-19 23:10:33,567 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:10:33,568 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:33,569 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:10:33,569 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:4 [2021-02-19 23:10:33,582 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-02-19 23:10:33,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:10:33,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 9 [2021-02-19 23:10:33,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733852584] [2021-02-19 23:10:33,583 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-19 23:10:33,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:10:33,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-19 23:10:33,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-02-19 23:10:33,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:10:33,585 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:10:33,585 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 3.3) internal successors, (33), 9 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 23:10:33,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:33,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:10:33,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:33,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-19 23:10:33,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:10:33,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:33,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:10:33,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:33,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-19 23:10:33,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:34,014 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:10:34,014 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:10:34,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:10:34,015 INFO L82 PathProgramCache]: Analyzing trace with hash 289938313, now seen corresponding path program 5 times [2021-02-19 23:10:34,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:10:34,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692077811] [2021-02-19 23:10:34,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:10:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:10:34,243 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:10:34,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692077811] [2021-02-19 23:10:34,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [997135207] [2021-02-19 23:10:34,245 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:10:34,296 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-02-19 23:10:34,297 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:10:34,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-02-19 23:10:34,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:10:34,428 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-02-19 23:10:34,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 24 [2021-02-19 23:10:34,430 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:10:34,432 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:34,432 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:10:34,432 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:36, output treesize:17 [2021-02-19 23:10:34,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2021-02-19 23:10:34,491 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:10:34,495 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:34,496 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-02-19 23:10:34,497 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:32, output treesize:25 [2021-02-19 23:10:34,544 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:34,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 31 [2021-02-19 23:10:34,562 INFO L550 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-02-19 23:10:34,569 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:34,578 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:34,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-02-19 23:10:34,585 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 23:10:34,591 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:34,594 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:10:34,594 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:31, output treesize:3 [2021-02-19 23:10:34,610 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:10:34,610 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:10:34,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 14 [2021-02-19 23:10:34,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955068732] [2021-02-19 23:10:34,611 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-02-19 23:10:34,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:10:34,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-02-19 23:10:34,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-02-19 23:10:34,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:10:34,612 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:10:34,613 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 3.0) internal successors, (45), 14 states have internal predecessors, (45), 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) [2021-02-19 23:10:34,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:34,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:10:34,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:34,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-19 23:10:34,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:34,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:10:34,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:34,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:10:34,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:34,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-19 23:10:34,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:34,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:35,047 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-02-19 23:10:35,048 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:10:35,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:10:35,048 INFO L82 PathProgramCache]: Analyzing trace with hash -786811413, now seen corresponding path program 6 times [2021-02-19 23:10:35,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:10:35,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308427848] [2021-02-19 23:10:35,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:10:35,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:10:35,100 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-02-19 23:10:35,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308427848] [2021-02-19 23:10:35,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2101966308] [2021-02-19 23:10:35,100 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:10:35,151 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-02-19 23:10:35,151 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:10:35,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 6 conjunts are in the unsatisfiable core [2021-02-19 23:10:35,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:10:35,209 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-02-19 23:10:35,210 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:10:35,210 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 7 [2021-02-19 23:10:35,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581541969] [2021-02-19 23:10:35,211 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 23:10:35,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:10:35,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 23:10:35,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-02-19 23:10:35,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:10:35,211 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:10:35,212 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 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) [2021-02-19 23:10:35,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:35,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:10:35,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:35,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-19 23:10:35,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:35,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:35,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:10:35,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:35,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:10:35,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:35,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-19 23:10:35,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:35,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:35,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 23:10:35,463 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:10:35,463 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:10:35,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:10:35,463 INFO L82 PathProgramCache]: Analyzing trace with hash -2069603640, now seen corresponding path program 7 times [2021-02-19 23:10:35,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:10:35,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702840089] [2021-02-19 23:10:35,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:10:35,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:10:35,564 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-19 23:10:35,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702840089] [2021-02-19 23:10:35,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1540666646] [2021-02-19 23:10:35,564 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:10:35,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:10:35,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 14 conjunts are in the unsatisfiable core [2021-02-19 23:10:35,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:10:35,763 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:35,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 19 [2021-02-19 23:10:35,767 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:10:35,768 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:35,769 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:10:35,769 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:4 [2021-02-19 23:10:35,785 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-19 23:10:35,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:10:35,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 13 [2021-02-19 23:10:35,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231950132] [2021-02-19 23:10:35,787 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-02-19 23:10:35,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:10:35,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-02-19 23:10:35,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-02-19 23:10:35,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:10:35,788 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:10:35,788 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 13 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 23:10:35,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:35,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:10:35,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:35,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-19 23:10:35,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:35,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:35,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 23:10:35,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:10:36,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:36,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:10:36,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:36,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-19 23:10:36,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:36,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:36,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 23:10:36,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:10:36,601 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-02-19 23:10:36,602 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:10:36,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:10:36,602 INFO L82 PathProgramCache]: Analyzing trace with hash -1491445723, now seen corresponding path program 8 times [2021-02-19 23:10:36,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:10:36,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405299914] [2021-02-19 23:10:36,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:10:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:10:36,930 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:10:36,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405299914] [2021-02-19 23:10:36,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1050141777] [2021-02-19 23:10:36,930 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:10:36,963 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-19 23:10:36,964 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:10:36,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 41 conjunts are in the unsatisfiable core [2021-02-19 23:10:36,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:10:37,116 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-02-19 23:10:37,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 37 [2021-02-19 23:10:37,118 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:10:37,120 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:37,121 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:10:37,121 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:57, output treesize:27 [2021-02-19 23:10:37,285 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:37,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 51 [2021-02-19 23:10:37,303 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-02-19 23:10:37,310 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:37,324 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-02-19 23:10:37,326 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:52, output treesize:45 [2021-02-19 23:10:37,572 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:37,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 47 [2021-02-19 23:10:37,637 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-02-19 23:10:37,646 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:37,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 39 [2021-02-19 23:10:37,657 INFO L550 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-02-19 23:10:37,678 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:37,702 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:37,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 45 [2021-02-19 23:10:37,722 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-02-19 23:10:37,753 INFO L354 Elim1Store]: treesize reduction 4, result has 89.2 percent of original size [2021-02-19 23:10:37,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 45 [2021-02-19 23:10:37,766 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-02-19 23:10:37,791 INFO L628 ElimStorePlain]: treesize reduction 13, result has 64.9 percent of original size [2021-02-19 23:10:37,793 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:10:37,794 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:91, output treesize:3 [2021-02-19 23:10:37,816 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:10:37,817 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:10:37,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 22 [2021-02-19 23:10:37,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892442521] [2021-02-19 23:10:37,821 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-02-19 23:10:37,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:10:37,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-02-19 23:10:37,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2021-02-19 23:10:37,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:10:37,823 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:10:37,823 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.652173913043478) internal successors, (61), 22 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 23:10:37,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:37,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:10:37,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:37,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-19 23:10:37,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:37,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:37,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 23:10:37,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:10:37,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:10:38,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:38,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:10:38,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:38,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-19 23:10:38,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:38,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:38,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 23:10:38,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:10:38,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:10:38,440 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-02-19 23:10:38,441 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:10:38,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:10:38,441 INFO L82 PathProgramCache]: Analyzing trace with hash -323912249, now seen corresponding path program 9 times [2021-02-19 23:10:38,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:10:38,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456505382] [2021-02-19 23:10:38,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:10:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:10:38,522 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 16 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-02-19 23:10:38,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456505382] [2021-02-19 23:10:38,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [19582563] [2021-02-19 23:10:38,523 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:10:38,603 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-02-19 23:10:38,603 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:10:38,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 8 conjunts are in the unsatisfiable core [2021-02-19 23:10:38,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:10:38,694 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 16 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-02-19 23:10:38,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:10:38,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 9 [2021-02-19 23:10:38,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915872357] [2021-02-19 23:10:38,695 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-19 23:10:38,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:10:38,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-19 23:10:38,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2021-02-19 23:10:38,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:10:38,697 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:10:38,697 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 9 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 23:10:38,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:38,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:10:38,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:38,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-19 23:10:38,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:38,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:38,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 23:10:38,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:10:38,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:10:38,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:10:38,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:38,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:10:38,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:38,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-19 23:10:38,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:38,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:38,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 23:10:38,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:10:38,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:10:38,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:10:38,963 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-02-19 23:10:38,963 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:10:38,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:10:38,964 INFO L82 PathProgramCache]: Analyzing trace with hash -296947100, now seen corresponding path program 10 times [2021-02-19 23:10:38,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:10:38,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366233545] [2021-02-19 23:10:38,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:10:38,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:10:39,092 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-02-19 23:10:39,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366233545] [2021-02-19 23:10:39,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1057683364] [2021-02-19 23:10:39,092 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:10:39,139 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-19 23:10:39,139 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:10:39,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 18 conjunts are in the unsatisfiable core [2021-02-19 23:10:39,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:10:39,324 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:39,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 38 [2021-02-19 23:10:39,333 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:10:39,334 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:39,335 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:10:39,335 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:4 [2021-02-19 23:10:39,352 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-02-19 23:10:39,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:10:39,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 16 [2021-02-19 23:10:39,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019086294] [2021-02-19 23:10:39,353 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-02-19 23:10:39,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:10:39,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-02-19 23:10:39,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2021-02-19 23:10:39,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:10:39,354 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:10:39,354 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 3.5294117647058822) internal successors, (60), 16 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 23:10:39,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:39,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:10:39,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:39,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-19 23:10:39,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:39,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:39,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 23:10:39,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:10:39,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:10:39,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:10:39,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:10:39,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:39,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:10:39,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:39,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-19 23:10:39,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:39,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:39,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 23:10:39,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:10:39,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:10:39,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:10:39,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:10:40,146 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-02-19 23:10:40,146 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:10:40,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:10:40,147 INFO L82 PathProgramCache]: Analyzing trace with hash 1429586369, now seen corresponding path program 11 times [2021-02-19 23:10:40,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:10:40,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880094807] [2021-02-19 23:10:40,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:10:40,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:10:40,677 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:10:40,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880094807] [2021-02-19 23:10:40,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821556593] [2021-02-19 23:10:40,678 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:10:40,714 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-02-19 23:10:40,715 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:10:40,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 59 conjunts are in the unsatisfiable core [2021-02-19 23:10:40,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:10:41,403 INFO L354 Elim1Store]: treesize reduction 174, result has 3.9 percent of original size [2021-02-19 23:10:41,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 84 treesize of output 58 [2021-02-19 23:10:41,405 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:10:41,419 INFO L628 ElimStorePlain]: treesize reduction 3, result has 94.4 percent of original size [2021-02-19 23:10:41,421 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:10:41,421 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:98, output treesize:39 [2021-02-19 23:10:41,859 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:41,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 76 treesize of output 82 [2021-02-19 23:10:41,951 INFO L550 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-02-19 23:10:41,971 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:42,080 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-02-19 23:10:42,081 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:76, output treesize:73 [2021-02-19 23:10:42,896 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:42,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 47 [2021-02-19 23:10:42,912 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-02-19 23:10:42,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 39 [2021-02-19 23:10:42,921 INFO L550 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-02-19 23:10:42,933 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:42,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 47 [2021-02-19 23:10:42,947 INFO L550 ElimStorePlain]: Start of recursive call 4: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-02-19 23:10:42,975 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:42,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 47 [2021-02-19 23:10:42,987 INFO L550 ElimStorePlain]: Start of recursive call 5: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-02-19 23:10:43,007 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:43,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 63 [2021-02-19 23:10:43,116 INFO L550 ElimStorePlain]: Start of recursive call 6: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-02-19 23:10:43,173 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:43,223 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:43,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 88 [2021-02-19 23:10:43,384 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-02-19 23:10:43,418 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:43,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 76 [2021-02-19 23:10:43,448 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-02-19 23:10:43,460 INFO L354 Elim1Store]: treesize reduction 68, result has 1.4 percent of original size [2021-02-19 23:10:43,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 16 [2021-02-19 23:10:43,462 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-02-19 23:10:43,522 INFO L354 Elim1Store]: treesize reduction 12, result has 80.3 percent of original size [2021-02-19 23:10:43,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 64 [2021-02-19 23:10:43,544 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-02-19 23:10:43,599 INFO L354 Elim1Store]: treesize reduction 4, result has 94.2 percent of original size [2021-02-19 23:10:43,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 80 [2021-02-19 23:10:43,660 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-02-19 23:10:43,697 INFO L628 ElimStorePlain]: treesize reduction 74, result has 26.7 percent of original size [2021-02-19 23:10:43,700 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:10:43,701 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 7 variables, input treesize:308, output treesize:3 [2021-02-19 23:10:43,735 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:10:43,735 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:10:43,735 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20] total 33 [2021-02-19 23:10:43,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221848841] [2021-02-19 23:10:43,735 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-02-19 23:10:43,736 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:10:43,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-02-19 23:10:43,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=1030, Unknown=0, NotChecked=0, Total=1122 [2021-02-19 23:10:43,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:10:43,737 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:10:43,737 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 2.5294117647058822) internal successors, (86), 33 states have internal predecessors, (86), 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) [2021-02-19 23:10:43,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:43,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:10:43,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:43,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-19 23:10:43,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:43,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:43,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 23:10:43,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:10:43,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:10:43,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:10:43,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:10:43,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:10:44,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:44,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:10:44,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:44,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-19 23:10:44,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:44,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:44,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 23:10:44,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:10:44,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:10:44,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:10:44,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:10:44,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:10:45,105 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2021-02-19 23:10:45,106 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:10:45,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:10:45,106 INFO L82 PathProgramCache]: Analyzing trace with hash 954967808, now seen corresponding path program 12 times [2021-02-19 23:10:45,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:10:45,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125901939] [2021-02-19 23:10:45,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:10:45,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:10:45,252 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 73 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-02-19 23:10:45,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125901939] [2021-02-19 23:10:45,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [563037718] [2021-02-19 23:10:45,253 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:10:45,287 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-02-19 23:10:45,287 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:10:45,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 22 conjunts are in the unsatisfiable core [2021-02-19 23:10:45,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:10:45,533 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:45,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 24 treesize of output 65 [2021-02-19 23:10:45,571 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:10:45,573 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:45,573 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:10:45,574 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:24, output treesize:4 [2021-02-19 23:10:45,591 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 73 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-02-19 23:10:45,591 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:10:45,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 19 [2021-02-19 23:10:45,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198698720] [2021-02-19 23:10:45,593 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-02-19 23:10:45,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:10:45,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-02-19 23:10:45,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=336, Unknown=0, NotChecked=0, Total=380 [2021-02-19 23:10:45,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:10:45,594 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:10:45,594 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 3.6) internal successors, (72), 19 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 23:10:45,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:45,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:10:45,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:45,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-19 23:10:45,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:45,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:45,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 23:10:45,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:10:45,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:10:45,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:10:45,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:10:45,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:10:45,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:10:46,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:46,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:10:46,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:46,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-19 23:10:46,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:46,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:46,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 23:10:46,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:10:46,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:10:46,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:10:46,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:10:46,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:10:46,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:10:46,494 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable243 [2021-02-19 23:10:46,494 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:10:46,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:10:46,494 INFO L82 PathProgramCache]: Analyzing trace with hash 300992605, now seen corresponding path program 13 times [2021-02-19 23:10:46,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:10:46,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674695185] [2021-02-19 23:10:46,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:10:46,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:10:47,118 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:10:47,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674695185] [2021-02-19 23:10:47,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [218442639] [2021-02-19 23:10:47,118 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:10:47,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:10:47,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 69 conjunts are in the unsatisfiable core [2021-02-19 23:10:47,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:10:47,508 INFO L354 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2021-02-19 23:10:47,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 105 treesize of output 69 [2021-02-19 23:10:47,510 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:10:47,513 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:47,514 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:10:47,514 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:105, output treesize:53 [2021-02-19 23:10:48,268 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:48,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 104 treesize of output 121 [2021-02-19 23:10:48,731 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-02-19 23:10:48,759 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:49,580 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-02-19 23:10:49,581 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:104, output treesize:109 [2021-02-19 23:10:51,090 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-02-19 23:10:52,185 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-02-19 23:10:53,557 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-02-19 23:10:53,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 47 [2021-02-19 23:10:53,582 INFO L550 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-02-19 23:10:53,596 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:53,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 55 [2021-02-19 23:10:53,606 INFO L550 ElimStorePlain]: Start of recursive call 3: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-02-19 23:10:53,623 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:53,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 55 [2021-02-19 23:10:53,632 INFO L550 ElimStorePlain]: Start of recursive call 4: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-02-19 23:10:53,670 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:53,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 67 treesize of output 79 [2021-02-19 23:10:53,885 INFO L550 ElimStorePlain]: Start of recursive call 5: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-02-19 23:10:53,898 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:53,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 55 [2021-02-19 23:10:53,904 INFO L550 ElimStorePlain]: Start of recursive call 6: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-02-19 23:10:53,920 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:53,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 55 [2021-02-19 23:10:53,955 INFO L550 ElimStorePlain]: Start of recursive call 7: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-02-19 23:10:53,973 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:53,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 55 [2021-02-19 23:10:53,982 INFO L550 ElimStorePlain]: Start of recursive call 8: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-02-19 23:10:54,006 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:54,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 55 [2021-02-19 23:10:54,016 INFO L550 ElimStorePlain]: Start of recursive call 9: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-02-19 23:10:54,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 47 [2021-02-19 23:10:54,026 INFO L550 ElimStorePlain]: Start of recursive call 10: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-02-19 23:10:54,157 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-02-19 23:10:54,158 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:54,217 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:54,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 135 [2021-02-19 23:10:54,686 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-02-19 23:10:54,766 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:54,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 115 [2021-02-19 23:10:54,838 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-02-19 23:10:54,856 INFO L354 Elim1Store]: treesize reduction 108, result has 0.9 percent of original size [2021-02-19 23:10:54,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 19 [2021-02-19 23:10:54,859 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-02-19 23:10:54,879 INFO L354 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2021-02-19 23:10:54,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 19 [2021-02-19 23:10:54,882 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-02-19 23:10:54,981 INFO L354 Elim1Store]: treesize reduction 8, result has 92.9 percent of original size [2021-02-19 23:10:54,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 123 [2021-02-19 23:10:55,179 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-02-19 23:10:55,194 INFO L354 Elim1Store]: treesize reduction 116, result has 0.9 percent of original size [2021-02-19 23:10:55,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 19 [2021-02-19 23:10:55,196 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-02-19 23:10:55,207 INFO L354 Elim1Store]: treesize reduction 108, result has 0.9 percent of original size [2021-02-19 23:10:55,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 19 [2021-02-19 23:10:55,209 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-02-19 23:10:55,310 INFO L354 Elim1Store]: treesize reduction 4, result has 96.7 percent of original size [2021-02-19 23:10:55,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 135 [2021-02-19 23:10:55,713 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-02-19 23:10:55,726 INFO L354 Elim1Store]: treesize reduction 116, result has 0.9 percent of original size [2021-02-19 23:10:55,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 19 [2021-02-19 23:10:55,729 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-02-19 23:10:55,808 INFO L628 ElimStorePlain]: treesize reduction 175, result has 24.9 percent of original size [2021-02-19 23:10:55,811 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:10:55,811 INFO L247 ElimStorePlain]: Needed 19 recursive calls to eliminate 8 variables, input treesize:720, output treesize:3 [2021-02-19 23:10:55,857 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:10:55,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:10:55,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 38 [2021-02-19 23:10:55,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350019111] [2021-02-19 23:10:55,858 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-02-19 23:10:55,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:10:55,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-02-19 23:10:55,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=1375, Unknown=0, NotChecked=0, Total=1482 [2021-02-19 23:10:55,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:10:55,860 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:10:55,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 2.3846153846153846) internal successors, (93), 38 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 23:10:55,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:55,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:10:55,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:55,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-19 23:10:55,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:55,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:55,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 23:10:55,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:10:55,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:10:55,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:10:55,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:10:55,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:10:55,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:10:55,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:10:56,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:56,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:10:56,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:56,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-19 23:10:56,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:56,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:56,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 23:10:56,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:10:56,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:10:56,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:10:56,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:10:56,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:10:56,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:10:56,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:10:56,734 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable255 [2021-02-19 23:10:56,734 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:10:56,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:10:56,735 INFO L82 PathProgramCache]: Analyzing trace with hash 1937695871, now seen corresponding path program 14 times [2021-02-19 23:10:56,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:10:56,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318728892] [2021-02-19 23:10:56,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:10:56,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:10:56,852 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 36 proven. 45 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-02-19 23:10:56,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318728892] [2021-02-19 23:10:56,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799427859] [2021-02-19 23:10:56,852 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:10:56,898 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-19 23:10:56,898 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:10:56,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 12 conjunts are in the unsatisfiable core [2021-02-19 23:10:56,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:10:57,016 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 36 proven. 45 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-02-19 23:10:57,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:10:57,016 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7] total 13 [2021-02-19 23:10:57,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984412315] [2021-02-19 23:10:57,017 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-02-19 23:10:57,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:10:57,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-02-19 23:10:57,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=106, Unknown=0, NotChecked=0, Total=182 [2021-02-19 23:10:57,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:10:57,018 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:10:57,018 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 13 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 23:10:57,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:57,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:10:57,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:57,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-19 23:10:57,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:57,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:57,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 23:10:57,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:10:57,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:10:57,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:10:57,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:10:57,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:10:57,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:10:57,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:10:57,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:10:57,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:57,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:10:57,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:57,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-19 23:10:57,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:57,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:57,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 23:10:57,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:10:57,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:10:57,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:10:57,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:10:57,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:10:57,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:10:57,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:10:57,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 23:10:57,301 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1569,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:10:57,301 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:10:57,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:10:57,301 INFO L82 PathProgramCache]: Analyzing trace with hash -1566119780, now seen corresponding path program 15 times [2021-02-19 23:10:57,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:10:57,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816751] [2021-02-19 23:10:57,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:10:57,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:10:57,481 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-02-19 23:10:57,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816751] [2021-02-19 23:10:57,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [129647368] [2021-02-19 23:10:57,481 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:10:57,522 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-02-19 23:10:57,523 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:10:57,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 26 conjunts are in the unsatisfiable core [2021-02-19 23:10:57,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:10:57,816 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:57,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 28 treesize of output 100 [2021-02-19 23:10:57,855 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:10:57,857 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:10:57,857 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:10:57,857 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:4 [2021-02-19 23:10:57,874 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-02-19 23:10:57,875 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:10:57,875 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15] total 22 [2021-02-19 23:10:57,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195161091] [2021-02-19 23:10:57,875 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-02-19 23:10:57,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:10:57,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-02-19 23:10:57,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=455, Unknown=0, NotChecked=0, Total=506 [2021-02-19 23:10:57,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:10:57,876 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:10:57,877 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 3.652173913043478) internal successors, (84), 22 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 23:10:57,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:57,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:10:57,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:57,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-19 23:10:57,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:57,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:57,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 23:10:57,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:10:57,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:10:57,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:10:57,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:10:57,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:10:57,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:10:57,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:10:57,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 23:10:57,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:10:58,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:58,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:10:58,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:10:58,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-19 23:10:58,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:58,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:10:58,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 23:10:58,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:10:58,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:10:58,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:10:58,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:10:58,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:10:58,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:10:58,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:10:58,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 23:10:58,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 23:10:59,186 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1570,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:10:59,187 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:10:59,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:10:59,187 INFO L82 PathProgramCache]: Analyzing trace with hash -1028006919, now seen corresponding path program 16 times [2021-02-19 23:10:59,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:10:59,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86855012] [2021-02-19 23:10:59,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:10:59,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:11:00,091 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:11:00,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86855012] [2021-02-19 23:11:00,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2065504132] [2021-02-19 23:11:00,091 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:11:00,128 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-19 23:11:00,128 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:11:00,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 83 conjunts are in the unsatisfiable core [2021-02-19 23:11:00,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:11:00,582 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-02-19 23:11:00,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 132 treesize of output 88 [2021-02-19 23:11:00,583 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:11:00,585 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:11:00,586 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:11:00,586 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:132, output treesize:69 [2021-02-19 23:11:01,687 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:11:01,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 136 treesize of output 168 [2021-02-19 23:11:03,532 INFO L550 ElimStorePlain]: Start of recursive call 2: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-02-19 23:11:03,571 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:11:05,768 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-02-19 23:11:05,769 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:136, output treesize:153 [2021-02-19 23:11:10,220 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2021-02-19 23:11:13,980 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2021-02-19 23:11:19,110 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2021-02-19 23:11:19,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 55 [2021-02-19 23:11:19,165 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-02-19 23:11:19,182 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:11:19,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-02-19 23:11:19,190 INFO L550 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-02-19 23:11:19,210 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:11:19,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-02-19 23:11:19,219 INFO L550 ElimStorePlain]: Start of recursive call 4: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-02-19 23:11:19,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 55 [2021-02-19 23:11:19,234 INFO L550 ElimStorePlain]: Start of recursive call 5: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-02-19 23:11:19,257 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:11:19,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-02-19 23:11:19,266 INFO L550 ElimStorePlain]: Start of recursive call 6: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-02-19 23:11:19,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 55 [2021-02-19 23:11:19,286 INFO L550 ElimStorePlain]: Start of recursive call 7: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-02-19 23:11:19,321 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:11:19,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-02-19 23:11:19,331 INFO L550 ElimStorePlain]: Start of recursive call 8: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-02-19 23:11:19,364 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:11:19,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-02-19 23:11:19,374 INFO L550 ElimStorePlain]: Start of recursive call 9: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-02-19 23:11:19,412 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:11:19,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-02-19 23:11:19,422 INFO L550 ElimStorePlain]: Start of recursive call 10: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-02-19 23:11:19,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 55 [2021-02-19 23:11:19,446 INFO L550 ElimStorePlain]: Start of recursive call 11: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-02-19 23:11:19,482 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:11:19,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-02-19 23:11:19,492 INFO L550 ElimStorePlain]: Start of recursive call 12: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-02-19 23:11:19,558 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:11:19,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 79 treesize of output 95 [2021-02-19 23:11:20,065 INFO L550 ElimStorePlain]: Start of recursive call 13: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-02-19 23:11:20,100 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:11:20,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-02-19 23:11:20,109 INFO L550 ElimStorePlain]: Start of recursive call 14: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-02-19 23:11:20,148 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:11:20,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-02-19 23:11:20,159 INFO L550 ElimStorePlain]: Start of recursive call 15: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-02-19 23:11:20,190 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:11:20,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-02-19 23:11:20,201 INFO L550 ElimStorePlain]: Start of recursive call 16: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-02-19 23:11:20,495 WARN L202 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2021-02-19 23:11:20,495 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:11:20,598 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:11:20,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 198 [2021-02-19 23:11:21,157 WARN L202 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 412 DAG size of output: 664 [2021-02-19 23:11:25,514 WARN L202 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 1358 DAG size of output: 1029 [2021-02-19 23:11:28,419 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 1040 DAG size of output: 744 [2021-02-19 23:11:28,785 WARN L202 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 2271 DAG size of output: 1703 [2021-02-19 23:11:29,199 WARN L202 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 2271 DAG size of output: 1703 [2021-02-19 23:11:30,282 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 2280 DAG size of output: 2662 [2021-02-19 23:11:31,635 WARN L202 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 1687 DAG size of output: 1519 [2021-02-19 23:11:40,140 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-02-19 23:11:40,258 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-02-19 23:11:40,259 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:11:40,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 186 [2021-02-19 23:11:40,684 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-02-19 23:11:40,715 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-02-19 23:11:40,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-02-19 23:11:40,718 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-02-19 23:11:40,816 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:11:40,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 178 [2021-02-19 23:11:41,302 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-02-19 23:11:41,326 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-02-19 23:11:41,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-02-19 23:11:41,329 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-02-19 23:11:41,357 INFO L354 Elim1Store]: treesize reduction 164, result has 0.6 percent of original size [2021-02-19 23:11:41,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-02-19 23:11:41,360 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-02-19 23:11:41,461 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:11:41,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 162 [2021-02-19 23:11:41,677 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-02-19 23:11:41,702 INFO L354 Elim1Store]: treesize reduction 172, result has 0.6 percent of original size [2021-02-19 23:11:41,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-02-19 23:11:41,705 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-02-19 23:11:41,727 INFO L354 Elim1Store]: treesize reduction 140, result has 0.7 percent of original size [2021-02-19 23:11:41,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-02-19 23:11:41,730 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-02-19 23:11:41,929 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-02-19 23:11:41,930 INFO L354 Elim1Store]: treesize reduction 4, result has 97.8 percent of original size [2021-02-19 23:11:41,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 198 [2021-02-19 23:11:45,548 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 438 [2021-02-19 23:11:45,799 WARN L202 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 1174 DAG size of output: 975 [2021-02-19 23:11:49,465 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 619 DAG size of output: 535 [2021-02-19 23:11:51,052 WARN L202 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 1630 DAG size of output: 1423 [2021-02-19 23:11:51,647 WARN L202 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 2267 DAG size of output: 2004 [2021-02-19 23:11:52,219 WARN L202 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 2267 DAG size of output: 2004 [2021-02-19 23:11:53,917 WARN L202 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 2276 DAG size of output: 3769 [2021-02-19 23:11:59,960 WARN L202 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 1821 DAG size of output: 1341 [2021-02-19 23:12:00,143 WARN L202 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 1834 DAG size of output: 1032 [2021-02-19 23:12:02,355 WARN L202 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 643 DAG size of output: 1006 [2021-02-19 23:12:03,656 WARN L202 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 1669 DAG size of output: 1601 [2021-02-19 23:12:09,222 WARN L202 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 2559 DAG size of output: 1681 [2021-02-19 23:12:09,496 WARN L202 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 2571 DAG size of output: 1463 [2021-02-19 23:12:13,206 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-02-19 23:12:13,226 INFO L354 Elim1Store]: treesize reduction 172, result has 0.6 percent of original size [2021-02-19 23:12:13,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-02-19 23:12:13,228 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-02-19 23:12:13,248 INFO L354 Elim1Store]: treesize reduction 176, result has 0.6 percent of original size [2021-02-19 23:12:13,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-02-19 23:12:13,251 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-02-19 23:12:13,267 INFO L354 Elim1Store]: treesize reduction 156, result has 0.6 percent of original size [2021-02-19 23:12:13,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-02-19 23:12:13,270 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-02-19 23:12:13,287 INFO L354 Elim1Store]: treesize reduction 176, result has 0.6 percent of original size [2021-02-19 23:12:13,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-02-19 23:12:13,290 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-02-19 23:12:13,307 INFO L354 Elim1Store]: treesize reduction 176, result has 0.6 percent of original size [2021-02-19 23:12:13,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-02-19 23:12:13,310 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-02-19 23:12:13,411 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 41 [2021-02-19 23:12:13,411 INFO L628 ElimStorePlain]: treesize reduction 430, result has 12.8 percent of original size [2021-02-19 23:12:13,414 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:12:13,414 INFO L247 ElimStorePlain]: Needed 31 recursive calls to eliminate 9 variables, input treesize:1498, output treesize:3 [2021-02-19 23:12:13,466 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:12:13,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:12:13,466 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 30] total 46 [2021-02-19 23:12:13,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059563181] [2021-02-19 23:12:13,468 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-02-19 23:12:13,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:12:13,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-02-19 23:12:13,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=2032, Unknown=0, NotChecked=0, Total=2162 [2021-02-19 23:12:13,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:12:13,470 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:12:13,470 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 2.3191489361702127) internal successors, (109), 46 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 23:12:13,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:12:13,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:12:13,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:12:13,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-19 23:12:13,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:12:13,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:12:13,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 23:12:13,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:12:13,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:12:13,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:12:13,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:12:13,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:12:13,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:12:13,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:12:13,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 23:12:13,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 23:12:13,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:12:18,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:12:18,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:12:18,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:12:18,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-19 23:12:18,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:12:18,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:12:18,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 23:12:18,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:12:18,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:12:18,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:12:18,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:12:18,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:12:18,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:12:18,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:12:18,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 23:12:18,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 23:12:18,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-02-19 23:12:18,430 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1591,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:12:18,430 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:12:18,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:12:18,431 INFO L82 PathProgramCache]: Analyzing trace with hash -1444813989, now seen corresponding path program 17 times [2021-02-19 23:12:18,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:12:18,431 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980303367] [2021-02-19 23:12:18,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:12:18,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:12:18,569 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 49 proven. 66 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-02-19 23:12:18,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980303367] [2021-02-19 23:12:18,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [901459770] [2021-02-19 23:12:18,569 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:12:18,640 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-02-19 23:12:18,641 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:12:18,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 14 conjunts are in the unsatisfiable core [2021-02-19 23:12:18,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:12:18,761 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 49 proven. 66 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-02-19 23:12:18,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:12:18,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 8] total 15 [2021-02-19 23:12:18,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702911451] [2021-02-19 23:12:18,763 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-02-19 23:12:18,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:12:18,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-02-19 23:12:18,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2021-02-19 23:12:18,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:12:18,764 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:12:18,764 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 4.625) internal successors, (74), 15 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 23:12:18,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:12:18,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:12:18,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:12:18,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-19 23:12:18,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:12:18,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:12:18,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 23:12:18,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:12:18,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:12:18,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:12:18,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:12:18,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:12:18,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:12:18,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:12:18,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 23:12:18,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 23:12:18,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-02-19 23:12:18,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:12:18,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:12:18,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:12:18,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:12:18,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-19 23:12:18,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:12:18,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:12:18,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 23:12:18,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:12:18,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:12:18,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:12:18,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:12:18,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:12:18,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:12:18,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:12:18,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 23:12:18,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 23:12:18,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-02-19 23:12:18,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:12:19,074 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28408 [2021-02-19 23:12:19,074 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:12:19,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:12:19,074 INFO L82 PathProgramCache]: Analyzing trace with hash 2008885048, now seen corresponding path program 18 times [2021-02-19 23:12:19,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:12:19,075 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546537219] [2021-02-19 23:12:19,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:12:19,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:12:19,314 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 157 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-02-19 23:12:19,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546537219] [2021-02-19 23:12:19,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [676880311] [2021-02-19 23:12:19,315 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:12:19,380 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-02-19 23:12:19,381 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:12:19,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 30 conjunts are in the unsatisfiable core [2021-02-19 23:12:19,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:12:19,918 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:12:19,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 32 treesize of output 143 [2021-02-19 23:12:20,007 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:12:20,009 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:12:20,010 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:12:20,010 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:4 [2021-02-19 23:12:20,081 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 157 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-02-19 23:12:20,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:12:20,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17] total 25 [2021-02-19 23:12:20,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7866810] [2021-02-19 23:12:20,083 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-02-19 23:12:20,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:12:20,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-02-19 23:12:20,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2021-02-19 23:12:20,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:12:20,085 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:12:20,085 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 3.6923076923076925) internal successors, (96), 25 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 23:12:20,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:12:20,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:12:20,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:12:20,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-19 23:12:20,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:12:20,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:12:20,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 23:12:20,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:12:20,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:12:20,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:12:20,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:12:20,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:12:20,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:12:20,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:12:20,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 23:12:20,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 23:12:20,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-02-19 23:12:20,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:12:20,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:12:21,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:12:21,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:12:21,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:12:21,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-19 23:12:21,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:12:21,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:12:21,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 23:12:21,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:12:21,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:12:21,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:12:21,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:12:21,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:12:21,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:12:21,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:12:21,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 23:12:21,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 23:12:21,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-02-19 23:12:21,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:12:21,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:12:21,886 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28409 [2021-02-19 23:12:21,886 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:12:21,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:12:21,886 INFO L82 PathProgramCache]: Analyzing trace with hash -1894290283, now seen corresponding path program 19 times [2021-02-19 23:12:21,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:12:21,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416174101] [2021-02-19 23:12:21,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:12:21,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:12:23,340 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:12:23,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416174101] [2021-02-19 23:12:23,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137112028] [2021-02-19 23:12:23,340 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:12:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:12:23,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 97 conjunts are in the unsatisfiable core [2021-02-19 23:12:23,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:12:24,001 INFO L354 Elim1Store]: treesize reduction 240, result has 0.4 percent of original size [2021-02-19 23:12:24,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 161 treesize of output 109 [2021-02-19 23:12:24,003 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:12:24,005 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:12:24,006 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:12:24,006 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:161, output treesize:87 [2021-02-19 23:12:26,431 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:12:26,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 172 treesize of output 223 [2021-02-19 23:12:32,687 INFO L550 ElimStorePlain]: Start of recursive call 2: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-02-19 23:12:32,757 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:12:43,493 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2021-02-19 23:12:43,493 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:172, output treesize:205 [2021-02-19 23:13:06,823 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2021-02-19 23:13:09,502 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((v_arrayElimIndex_157 Int) (v_state22_26 Int) (v_arrayElimIndex_158 Int) (v_arrayElimIndex_160 Int) (v_arrayElimIndex_161 Int) (v_state21_42 Int)) (let ((.cse1 (select c_produce c_state21))) (let ((.cse0 (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) (select c_produce v_arrayElimIndex_160))) (select c_produce v_arrayElimIndex_157))) (select c_produce v_arrayElimIndex_158))) .cse1)) (select c_produce v_arrayElimIndex_161)))) (and (not (= c_state21 v_arrayElimIndex_160)) (not (= v_arrayElimIndex_160 v_arrayElimIndex_157)) (not (= c_state21 v_arrayElimIndex_158)) (not (= v_arrayElimIndex_161 v_arrayElimIndex_160)) (not (= v_arrayElimIndex_161 v_state21_42)) (not (= v_arrayElimIndex_157 v_state21_42)) (not (= v_arrayElimIndex_160 v_state21_42)) (not (= v_arrayElimIndex_160 v_arrayElimIndex_158)) (not (= c_state21 v_arrayElimIndex_157)) (not (= v_arrayElimIndex_158 v_arrayElimIndex_157)) (not (= v_arrayElimIndex_158 v_state21_42)) (not (= c_state21 v_state21_42)) (= c_state12 (select (select c_consume .cse0) .cse1)) (not (= c_state21 v_arrayElimIndex_161)) (not (= v_arrayElimIndex_161 v_arrayElimIndex_157)) (= c_state22 .cse0))))) (exists ((v_arrayElimIndex_157 Int) (v_state22_26 Int) (v_arrayElimIndex_158 Int) (v_arrayElimIndex_159 Int) (v_arrayElimIndex_161 Int) (v_state21_42 Int)) (let ((.cse3 (select c_produce c_state21))) (let ((.cse2 (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) .cse3)) (select c_produce v_arrayElimIndex_157))) (select c_produce v_arrayElimIndex_158))) (select c_produce v_arrayElimIndex_159))) (select c_produce v_arrayElimIndex_161)))) (and (not (= v_arrayElimIndex_159 v_state21_42)) (not (= c_state21 v_arrayElimIndex_158)) (not (= c_state21 v_arrayElimIndex_159)) (not (= v_arrayElimIndex_157 v_state21_42)) (= c_state22 .cse2) (not (= c_state21 v_arrayElimIndex_157)) (= c_state12 (select (select c_consume .cse2) .cse3)) (not (= v_arrayElimIndex_161 v_arrayElimIndex_158)) (not (= v_arrayElimIndex_158 v_arrayElimIndex_157)) (not (= v_arrayElimIndex_158 v_state21_42)) (not (= c_state21 v_state21_42)) (not (= c_state21 v_arrayElimIndex_161)) (not (= v_arrayElimIndex_161 v_arrayElimIndex_159)) (not (= v_arrayElimIndex_159 v_arrayElimIndex_157)) (not (= v_arrayElimIndex_161 v_arrayElimIndex_157)) (not (= v_arrayElimIndex_159 v_arrayElimIndex_158)))))) (exists ((v_arrayElimIndex_157 Int) (v_state22_26 Int) (v_arrayElimIndex_160 Int) (v_state21_42 Int)) (let ((.cse5 (select c_produce c_state21))) (let ((.cse4 (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) (select c_produce v_arrayElimIndex_160))) (select c_produce v_arrayElimIndex_157))) .cse5)) .cse5)) .cse5))) (and (not (= c_state21 v_arrayElimIndex_160)) (not (= v_arrayElimIndex_160 v_arrayElimIndex_157)) (= c_state22 .cse4) (not (= c_state21 v_state21_42)) (not (= v_arrayElimIndex_157 v_state21_42)) (not (= v_arrayElimIndex_160 v_state21_42)) (= c_state12 (select (select c_consume .cse4) .cse5)))))) (exists ((v_state22_26 Int) (v_state21_42 Int)) (let ((.cse7 (select c_produce c_state21))) (let ((.cse6 (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) .cse7)) .cse7)) .cse7)) .cse7)) .cse7))) (and (= c_state22 .cse6) (= c_state12 (select (select c_consume .cse6) .cse7)))))) (exists ((v_state22_26 Int) (v_arrayElimIndex_160 Int) (v_arrayElimIndex_161 Int) (v_state21_42 Int)) (let ((.cse9 (select c_produce c_state21))) (let ((.cse8 (let ((.cse11 (select c_produce v_arrayElimIndex_161))) (select (select c_consume (let ((.cse10 (select c_produce v_arrayElimIndex_160))) (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) .cse10)) .cse11)) .cse9)) .cse10))) .cse11)))) (and (not (= c_state21 v_arrayElimIndex_160)) (= c_state22 .cse8) (not (= v_arrayElimIndex_161 v_arrayElimIndex_160)) (not (= v_arrayElimIndex_161 v_state21_42)) (not (= v_arrayElimIndex_160 v_state21_42)) (not (= c_state21 v_arrayElimIndex_161)) (= c_state12 (select (select c_consume .cse8) .cse9)))))) (exists ((v_state22_26 Int) (v_arrayElimIndex_160 Int) (v_arrayElimIndex_161 Int) (v_state21_42 Int)) (let ((.cse13 (select c_produce c_state21))) (let ((.cse12 (let ((.cse14 (select c_produce v_arrayElimIndex_161))) (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) (select c_produce v_arrayElimIndex_160))) .cse13)) .cse14)) .cse13)) .cse14)))) (and (not (= c_state21 v_arrayElimIndex_160)) (= c_state12 (select (select c_consume .cse12) .cse13)) (= c_state22 .cse12) (not (= v_arrayElimIndex_161 v_arrayElimIndex_160)) (not (= c_state21 v_state21_42)) (not (= v_arrayElimIndex_161 v_state21_42)) (not (= v_arrayElimIndex_160 v_state21_42)) (not (= c_state21 v_arrayElimIndex_161)))))) (exists ((v_arrayElimIndex_157 Int) (v_state22_26 Int) (v_arrayElimIndex_158 Int) (v_arrayElimIndex_160 Int) (v_state21_42 Int)) (let ((.cse16 (select c_produce c_state21))) (let ((.cse15 (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) (select c_produce v_arrayElimIndex_160))) (select c_produce v_arrayElimIndex_157))) (select c_produce v_arrayElimIndex_158))) .cse16)) .cse16))) (and (not (= c_state21 v_arrayElimIndex_160)) (not (= c_state21 v_arrayElimIndex_157)) (not (= v_arrayElimIndex_160 v_arrayElimIndex_157)) (not (= c_state21 v_arrayElimIndex_158)) (= (select (select c_consume .cse15) .cse16) c_state12) (not (= v_arrayElimIndex_158 v_arrayElimIndex_157)) (not (= v_arrayElimIndex_158 v_state21_42)) (not (= c_state21 v_state21_42)) (not (= v_arrayElimIndex_157 v_state21_42)) (not (= v_arrayElimIndex_160 v_state21_42)) (not (= v_arrayElimIndex_160 v_arrayElimIndex_158)) (= c_state22 .cse15))))) (exists ((v_state22_26 Int) (v_arrayElimIndex_159 Int) (v_arrayElimIndex_160 Int) (v_arrayElimIndex_161 Int) (v_state21_42 Int)) (let ((.cse18 (select c_produce c_state21))) (let ((.cse17 (let ((.cse19 (select c_produce v_arrayElimIndex_161))) (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) (select c_produce v_arrayElimIndex_160))) .cse19)) .cse18)) (select c_produce v_arrayElimIndex_159))) .cse19)))) (and (not (= c_state21 v_arrayElimIndex_160)) (not (= v_arrayElimIndex_159 v_state21_42)) (= c_state12 (select (select c_consume .cse17) .cse18)) (not (= v_arrayElimIndex_161 v_arrayElimIndex_160)) (not (= c_state21 v_arrayElimIndex_159)) (not (= c_state21 v_state21_42)) (not (= v_arrayElimIndex_161 v_state21_42)) (not (= v_arrayElimIndex_160 v_state21_42)) (not (= c_state21 v_arrayElimIndex_161)) (not (= v_arrayElimIndex_161 v_arrayElimIndex_159)) (= c_state22 .cse17))))) (exists ((v_state22_26 Int) (v_arrayElimIndex_158 Int) (v_arrayElimIndex_159 Int) (v_arrayElimIndex_160 Int) (v_arrayElimIndex_161 Int) (v_state21_42 Int)) (let ((.cse21 (select c_produce c_state21))) (let ((.cse20 (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) (select c_produce v_arrayElimIndex_160))) .cse21)) (select c_produce v_arrayElimIndex_158))) (select c_produce v_arrayElimIndex_159))) (select c_produce v_arrayElimIndex_161)))) (and (not (= c_state21 v_arrayElimIndex_160)) (not (= v_arrayElimIndex_159 v_state21_42)) (= c_state22 .cse20) (not (= c_state21 v_arrayElimIndex_158)) (= c_state12 (select (select c_consume .cse20) .cse21)) (not (= c_state21 v_arrayElimIndex_159)) (not (= v_arrayElimIndex_161 v_state21_42)) (not (= v_arrayElimIndex_160 v_state21_42)) (not (= v_arrayElimIndex_160 v_arrayElimIndex_158)) (not (= v_arrayElimIndex_160 v_arrayElimIndex_159)) (not (= v_arrayElimIndex_161 v_arrayElimIndex_158)) (not (= v_arrayElimIndex_158 v_state21_42)) (not (= c_state21 v_state21_42)) (not (= c_state21 v_arrayElimIndex_161)) (not (= v_arrayElimIndex_161 v_arrayElimIndex_159)) (not (= v_arrayElimIndex_159 v_arrayElimIndex_158)))))) (exists ((v_state22_26 Int) (v_state21_42 Int)) (let ((.cse23 (select c_produce c_state21))) (let ((.cse22 (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) .cse23)) .cse23)) .cse23)) .cse23)) .cse23))) (and (not (= c_state21 v_state21_42)) (= c_state22 .cse22) (= c_state12 (select (select c_consume .cse22) .cse23)))))) (exists ((v_arrayElimIndex_157 Int) (v_state22_26 Int) (v_arrayElimIndex_159 Int) (v_arrayElimIndex_160 Int) (v_arrayElimIndex_161 Int) (v_state21_42 Int)) (let ((.cse25 (select c_produce c_state21))) (let ((.cse24 (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) (select c_produce v_arrayElimIndex_160))) (select c_produce v_arrayElimIndex_157))) .cse25)) (select c_produce v_arrayElimIndex_159))) (select c_produce v_arrayElimIndex_161)))) (and (not (= c_state21 v_arrayElimIndex_160)) (not (= v_arrayElimIndex_159 v_state21_42)) (not (= v_arrayElimIndex_160 v_arrayElimIndex_157)) (= c_state12 (select (select c_consume .cse24) .cse25)) (not (= v_arrayElimIndex_161 v_arrayElimIndex_160)) (not (= c_state21 v_arrayElimIndex_159)) (not (= v_arrayElimIndex_161 v_state21_42)) (not (= v_arrayElimIndex_157 v_state21_42)) (not (= v_arrayElimIndex_160 v_state21_42)) (not (= c_state21 v_arrayElimIndex_157)) (not (= v_arrayElimIndex_160 v_arrayElimIndex_159)) (not (= c_state21 v_state21_42)) (not (= c_state21 v_arrayElimIndex_161)) (= c_state22 .cse24) (not (= v_arrayElimIndex_161 v_arrayElimIndex_159)) (not (= v_arrayElimIndex_159 v_arrayElimIndex_157)))))) (exists ((v_arrayElimIndex_157 Int) (v_state22_26 Int) (v_arrayElimIndex_160 Int) (v_state21_42 Int)) (let ((.cse27 (select c_produce c_state21))) (let ((.cse26 (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) (select c_produce v_arrayElimIndex_160))) (select c_produce v_arrayElimIndex_157))) .cse27)) .cse27)) .cse27))) (and (not (= c_state21 v_arrayElimIndex_160)) (not (= c_state21 v_arrayElimIndex_157)) (not (= v_arrayElimIndex_160 v_arrayElimIndex_157)) (= c_state22 .cse26) (not (= c_state21 v_state21_42)) (not (= v_arrayElimIndex_157 v_state21_42)) (not (= v_arrayElimIndex_160 v_state21_42)) (= c_state12 (select (select c_consume .cse26) .cse27)))))) (exists ((v_arrayElimIndex_157 Int) (v_state22_26 Int) (v_arrayElimIndex_160 Int) (v_arrayElimIndex_161 Int) (v_state21_42 Int)) (let ((.cse29 (select c_produce c_state21))) (let ((.cse28 (let ((.cse30 (select c_produce v_arrayElimIndex_161))) (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) (select c_produce v_arrayElimIndex_160))) (select c_produce v_arrayElimIndex_157))) .cse30)) .cse29)) .cse30)))) (and (not (= c_state21 v_arrayElimIndex_160)) (not (= v_arrayElimIndex_160 v_arrayElimIndex_157)) (= c_state12 (select (select c_consume .cse28) .cse29)) (not (= v_arrayElimIndex_161 v_arrayElimIndex_160)) (not (= c_state21 v_state21_42)) (not (= v_arrayElimIndex_161 v_state21_42)) (not (= v_arrayElimIndex_157 v_state21_42)) (= c_state22 .cse28) (not (= v_arrayElimIndex_160 v_state21_42)) (not (= c_state21 v_arrayElimIndex_161)) (not (= v_arrayElimIndex_161 v_arrayElimIndex_157)))))) (exists ((v_arrayElimIndex_157 Int) (v_state22_26 Int) (v_arrayElimIndex_158 Int) (v_arrayElimIndex_159 Int) (v_arrayElimIndex_160 Int) (v_arrayElimIndex_161 Int) (v_state21_42 Int)) (let ((.cse31 (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) (select c_produce v_arrayElimIndex_160))) (select c_produce v_arrayElimIndex_157))) (select c_produce v_arrayElimIndex_158))) (select c_produce v_arrayElimIndex_159))) (select c_produce v_arrayElimIndex_161)))) (and (not (= v_arrayElimIndex_159 v_state21_42)) (not (= v_arrayElimIndex_160 v_arrayElimIndex_157)) (not (= v_arrayElimIndex_161 v_arrayElimIndex_160)) (not (= v_arrayElimIndex_161 v_state21_42)) (not (= v_arrayElimIndex_157 v_state21_42)) (not (= v_arrayElimIndex_160 v_state21_42)) (not (= v_arrayElimIndex_160 v_arrayElimIndex_158)) (= c_state12 (select (select c_consume .cse31) (select c_produce c_state21))) (not (= v_arrayElimIndex_160 v_arrayElimIndex_159)) (not (= v_arrayElimIndex_161 v_arrayElimIndex_158)) (not (= v_arrayElimIndex_158 v_arrayElimIndex_157)) (not (= v_arrayElimIndex_158 v_state21_42)) (= c_state22 .cse31) (not (= v_arrayElimIndex_161 v_arrayElimIndex_159)) (not (= v_arrayElimIndex_159 v_arrayElimIndex_157)) (not (= v_arrayElimIndex_161 v_arrayElimIndex_157)) (not (= v_arrayElimIndex_159 v_arrayElimIndex_158))))) (exists ((v_state22_26 Int) (v_arrayElimIndex_160 Int) (v_arrayElimIndex_161 Int) (v_state21_42 Int)) (let ((.cse33 (select c_produce c_state21))) (let ((.cse32 (let ((.cse34 (select c_produce v_arrayElimIndex_161))) (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) (select c_produce v_arrayElimIndex_160))) .cse33)) .cse34)) .cse33)) .cse34)))) (and (not (= c_state21 v_arrayElimIndex_160)) (= c_state12 (select (select c_consume .cse32) .cse33)) (= c_state22 .cse32) (not (= c_state21 v_state21_42)) (not (= v_arrayElimIndex_161 v_state21_42)) (not (= v_arrayElimIndex_160 v_state21_42)) (not (= c_state21 v_arrayElimIndex_161)))))) (exists ((v_arrayElimIndex_157 Int) (v_state22_26 Int) (v_arrayElimIndex_158 Int) (v_arrayElimIndex_160 Int) (v_state21_42 Int)) (let ((.cse36 (select c_produce c_state21))) (let ((.cse35 (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) (select c_produce v_arrayElimIndex_160))) (select c_produce v_arrayElimIndex_157))) (select c_produce v_arrayElimIndex_158))) .cse36)) .cse36))) (and (not (= c_state21 v_arrayElimIndex_160)) (not (= c_state21 v_arrayElimIndex_157)) (not (= v_arrayElimIndex_160 v_arrayElimIndex_157)) (= (select (select c_consume .cse35) .cse36) c_state12) (not (= v_arrayElimIndex_158 v_arrayElimIndex_157)) (not (= v_arrayElimIndex_158 v_state21_42)) (not (= c_state21 v_state21_42)) (not (= v_arrayElimIndex_157 v_state21_42)) (not (= v_arrayElimIndex_160 v_state21_42)) (not (= v_arrayElimIndex_160 v_arrayElimIndex_158)) (= c_state22 .cse35))))) (exists ((v_state22_26 Int) (v_arrayElimIndex_160 Int) (v_state21_42 Int)) (let ((.cse38 (select c_produce c_state21))) (let ((.cse37 (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) (select c_produce v_arrayElimIndex_160))) .cse38)) .cse38)) .cse38)) .cse38))) (and (not (= c_state21 v_state21_42)) (= c_state22 .cse37) (not (= v_arrayElimIndex_160 v_state21_42)) (= c_state12 (select (select c_consume .cse37) .cse38)))))) (exists ((v_state22_26 Int) (v_arrayElimIndex_161 Int) (v_state21_42 Int)) (let ((.cse40 (select c_produce c_state21))) (let ((.cse39 (let ((.cse41 (select c_produce v_arrayElimIndex_161))) (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) .cse41)) .cse40)) .cse41)) .cse40)) .cse41)))) (and (= c_state22 .cse39) (not (= v_arrayElimIndex_161 v_state21_42)) (not (= c_state21 v_arrayElimIndex_161)) (= c_state12 (select (select c_consume .cse39) .cse40)))))) (exists ((v_state22_26 Int) (v_arrayElimIndex_158 Int) (v_arrayElimIndex_159 Int) (v_arrayElimIndex_161 Int) (v_state21_42 Int)) (let ((.cse43 (select c_produce c_state21))) (let ((.cse42 (let ((.cse44 (select c_produce v_arrayElimIndex_161))) (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) .cse44)) .cse43)) (select c_produce v_arrayElimIndex_158))) (select c_produce v_arrayElimIndex_159))) .cse44)))) (and (not (= c_state21 v_arrayElimIndex_158)) (not (= v_arrayElimIndex_161 v_arrayElimIndex_158)) (not (= c_state21 v_arrayElimIndex_159)) (not (= v_arrayElimIndex_158 v_state21_42)) (= c_state22 .cse42) (not (= c_state21 v_state21_42)) (not (= v_arrayElimIndex_161 v_state21_42)) (not (= c_state21 v_arrayElimIndex_161)) (not (= v_arrayElimIndex_161 v_arrayElimIndex_159)) (= c_state12 (select (select c_consume .cse42) .cse43)) (not (= v_arrayElimIndex_159 v_arrayElimIndex_158)))))) (exists ((v_state22_26 Int) (v_arrayElimIndex_160 Int) (v_state21_42 Int)) (let ((.cse46 (select c_produce c_state21))) (let ((.cse45 (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) (select c_produce v_arrayElimIndex_160))) .cse46)) .cse46)) .cse46)) .cse46))) (and (not (= c_state21 v_arrayElimIndex_160)) (not (= c_state21 v_state21_42)) (= c_state22 .cse45) (not (= v_arrayElimIndex_160 v_state21_42)) (= c_state12 (select (select c_consume .cse45) .cse46)))))) (exists ((v_state22_26 Int) (v_arrayElimIndex_161 Int) (v_state21_42 Int)) (let ((.cse48 (select c_produce c_state21))) (let ((.cse47 (let ((.cse49 (select c_produce v_arrayElimIndex_161))) (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) .cse49)) .cse48)) .cse49)) .cse48)) .cse49)))) (and (= c_state22 .cse47) (not (= c_state21 v_state21_42)) (not (= v_arrayElimIndex_161 v_state21_42)) (not (= c_state21 v_arrayElimIndex_161)) (= c_state12 (select (select c_consume .cse47) .cse48)))))) (exists ((v_arrayElimIndex_157 Int) (v_state22_26 Int) (v_arrayElimIndex_158 Int) (v_arrayElimIndex_159 Int) (v_arrayElimIndex_160 Int) (v_state21_42 Int)) (let ((.cse51 (select c_produce c_state21))) (let ((.cse50 (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) (select c_produce v_arrayElimIndex_160))) (select c_produce v_arrayElimIndex_157))) (select c_produce v_arrayElimIndex_158))) (select c_produce v_arrayElimIndex_159))) .cse51))) (and (not (= c_state21 v_arrayElimIndex_160)) (not (= v_arrayElimIndex_159 v_state21_42)) (not (= v_arrayElimIndex_160 v_arrayElimIndex_157)) (not (= c_state21 v_arrayElimIndex_158)) (not (= v_arrayElimIndex_157 v_state21_42)) (not (= v_arrayElimIndex_160 v_state21_42)) (not (= v_arrayElimIndex_160 v_arrayElimIndex_158)) (= c_state22 .cse50) (= c_state12 (select (select c_consume .cse50) .cse51)) (not (= c_state21 v_arrayElimIndex_157)) (not (= v_arrayElimIndex_160 v_arrayElimIndex_159)) (not (= v_arrayElimIndex_158 v_arrayElimIndex_157)) (not (= v_arrayElimIndex_158 v_state21_42)) (not (= c_state21 v_state21_42)) (not (= v_arrayElimIndex_159 v_arrayElimIndex_157)) (not (= v_arrayElimIndex_159 v_arrayElimIndex_158))))))) is different from true [2021-02-19 23:13:12,015 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((v_prenex_45 Int) (v_prenex_44 Int) (v_prenex_46 Int)) (let ((.cse1 (select c_produce c_state21))) (let ((.cse0 (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_prenex_46) (select c_produce v_prenex_45))) (select c_produce v_prenex_44))) .cse1)) .cse1)) .cse1)) .cse1))) (and (= c_state22 .cse0) (not (= v_prenex_45 v_prenex_44)) (not (= c_state21 v_prenex_45)) (= c_state12 (select (select c_consume .cse0) .cse1)))))) (exists ((v_prenex_27 Int) (v_prenex_29 Int) (v_prenex_28 Int) (v_prenex_30 Int) (v_prenex_31 Int)) (let ((.cse3 (select c_produce c_state21))) (let ((.cse2 (let ((.cse4 (select c_produce v_prenex_28))) (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_prenex_27) (select c_produce v_prenex_29))) .cse4)) .cse3)) (select c_produce v_prenex_30))) (select c_produce v_prenex_31))) .cse4)))) (and (not (= v_prenex_29 v_prenex_28)) (not (= v_prenex_31 v_prenex_28)) (not (= v_prenex_31 v_prenex_30)) (= c_state12 (select (select c_consume .cse2) .cse3)) (not (= c_state21 v_prenex_29)) (not (= c_state21 v_prenex_31)) (not (= c_state21 v_prenex_30)) (not (= v_prenex_30 v_prenex_28)) (not (= c_state21 v_prenex_28)) (not (= v_prenex_30 v_prenex_29)) (= c_state22 .cse2))))) (exists ((v_prenex_33 Int) (v_prenex_32 Int)) (let ((.cse6 (select c_produce c_state21))) (let ((.cse5 (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_prenex_32) (select c_produce v_prenex_33))) .cse6)) .cse6)) .cse6)) .cse6)) .cse6))) (and (not (= c_state21 v_prenex_33)) (= c_state12 (select (select c_consume .cse5) .cse6)) (= c_state22 .cse5))))) (exists ((v_prenex_63 Int) (v_prenex_65 Int) (v_prenex_64 Int)) (let ((.cse8 (select c_produce c_state21))) (let ((.cse7 (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_prenex_65) (select c_produce v_prenex_64))) (select c_produce v_prenex_63))) .cse8)) .cse8)) .cse8)) .cse8))) (and (not (= c_state21 v_prenex_64)) (not (= v_prenex_64 v_prenex_63)) (= (select (select c_consume .cse7) .cse8) c_state12) (not (= c_state21 v_prenex_63)) (= c_state22 .cse7))))) (exists ((v_prenex_74 Int) (v_prenex_73 Int) (v_prenex_76 Int) (v_prenex_75 Int) (v_prenex_72 Int) (v_prenex_71 Int)) (let ((.cse10 (select c_produce c_state21))) (let ((.cse9 (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_prenex_74) (select c_produce v_prenex_73))) (select c_produce v_prenex_71))) (select c_produce v_prenex_75))) (select c_produce v_prenex_76))) .cse10)) (select c_produce v_prenex_72)))) (and (not (= c_state21 v_prenex_73)) (not (= v_prenex_73 v_prenex_71)) (= c_state12 (select (select c_consume .cse9) .cse10)) (not (= v_prenex_76 v_prenex_73)) (not (= v_prenex_75 v_prenex_72)) (not (= v_prenex_72 v_prenex_71)) (not (= v_prenex_75 v_prenex_71)) (not (= v_prenex_76 v_prenex_75)) (not (= v_prenex_76 v_prenex_71)) (not (= v_prenex_73 v_prenex_72)) (not (= c_state21 v_prenex_75)) (not (= v_prenex_75 v_prenex_73)) (= c_state22 .cse9) (not (= c_state21 v_prenex_71)) (not (= c_state21 v_prenex_72)) (not (= c_state21 v_prenex_76)))))) (exists ((v_prenex_26 Int) (v_prenex_23 Int) (v_prenex_22 Int) (v_prenex_25 Int) (v_prenex_24 Int) (v_prenex_21 Int)) (let ((.cse12 (select c_produce c_state21))) (let ((.cse11 (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_prenex_21) (select c_produce v_prenex_24))) (select c_produce v_prenex_22))) (select c_produce v_prenex_25))) .cse12)) (select c_produce v_prenex_26))) (select c_produce v_prenex_23)))) (and (= c_state12 (select (select c_consume .cse11) .cse12)) (not (= v_prenex_26 v_prenex_22)) (not (= v_prenex_25 v_prenex_24)) (not (= v_prenex_25 v_prenex_22)) (not (= v_prenex_24 v_prenex_23)) (not (= c_state21 v_prenex_24)) (= c_state22 .cse11) (not (= v_prenex_24 v_prenex_22)) (not (= c_state21 v_prenex_25)) (not (= v_prenex_26 v_prenex_23)) (not (= v_prenex_26 v_prenex_24)) (not (= v_prenex_26 v_prenex_25)) (not (= c_state21 v_prenex_26)) (not (= c_state21 v_prenex_23)) (not (= c_state21 v_prenex_22)) (not (= v_prenex_23 v_prenex_22)))))) (exists ((v_prenex_62 Int) (v_prenex_61 Int) (v_prenex_60 Int)) (let ((.cse14 (select c_produce c_state21))) (let ((.cse13 (let ((.cse15 (select c_produce v_prenex_60))) (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_prenex_62) (select c_produce v_prenex_61))) .cse15)) .cse14)) .cse15)) .cse14)) .cse15)))) (and (not (= v_prenex_61 v_prenex_60)) (= c_state12 (select (select c_consume .cse13) .cse14)) (= c_state22 .cse13) (not (= c_state21 v_prenex_60)))))) (exists ((v_prenex_90 Int) (v_prenex_89 Int) (v_prenex_88 Int) (v_prenex_91 Int)) (let ((.cse17 (select c_produce c_state21))) (let ((.cse16 (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_prenex_89) (select c_produce v_prenex_90))) (select c_produce v_prenex_88))) (select c_produce v_prenex_91))) .cse17)) .cse17)) .cse17))) (and (not (= c_state21 v_prenex_88)) (not (= c_state21 v_prenex_90)) (not (= v_prenex_90 v_prenex_88)) (not (= v_prenex_90 v_prenex_91)) (= c_state12 (select (select c_consume .cse16) .cse17)) (not (= v_prenex_91 v_prenex_88)) (= c_state22 .cse16))))) (exists ((v_prenex_4 Int) (v_prenex_5 Int) (v_prenex_2 Int) (v_prenex_3 Int) (v_prenex_1 Int)) (let ((.cse19 (select c_produce c_state21))) (let ((.cse18 (let ((.cse20 (select c_produce v_prenex_4))) (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_prenex_2) (select c_produce v_prenex_5))) (select c_produce v_prenex_3))) (select c_produce v_prenex_1))) .cse20)) .cse19)) .cse20)))) (and (not (= v_prenex_5 v_prenex_1)) (not (= v_prenex_5 v_prenex_3)) (not (= c_state21 v_prenex_3)) (not (= v_prenex_4 v_prenex_3)) (= c_state12 (select (select c_consume .cse18) .cse19)) (not (= v_prenex_3 v_prenex_1)) (= c_state22 .cse18) (not (= v_prenex_4 v_prenex_1)) (not (= c_state21 v_prenex_4)) (not (= c_state21 v_prenex_5)) (not (= v_prenex_5 v_prenex_4)))))) (exists ((v_prenex_55 Int) (v_prenex_52 Int) (v_prenex_54 Int) (v_prenex_53 Int)) (let ((.cse22 (select c_produce c_state21))) (let ((.cse21 (let ((.cse23 (select c_produce v_prenex_53))) (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_prenex_55) (select c_produce v_prenex_54))) (select c_produce v_prenex_52))) .cse22)) .cse23)) .cse22)) .cse23)))) (and (= c_state22 .cse21) (not (= v_prenex_54 v_prenex_53)) (not (= c_state21 v_prenex_52)) (= c_state12 (select (select c_consume .cse21) .cse22)) (not (= v_prenex_54 v_prenex_52)) (not (= c_state21 v_prenex_53)) (not (= c_state21 v_prenex_54)))))) (exists ((v_arrayElimIndex_157 Int) (v_state22_26 Int) (v_arrayElimIndex_158 Int) (v_arrayElimIndex_159 Int) (v_arrayElimIndex_160 Int) (v_arrayElimIndex_161 Int) (v_state21_42 Int)) (let ((.cse24 (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) (select c_produce v_arrayElimIndex_160))) (select c_produce v_arrayElimIndex_157))) (select c_produce v_arrayElimIndex_158))) (select c_produce v_arrayElimIndex_159))) (select c_produce v_arrayElimIndex_161)))) (and (not (= v_arrayElimIndex_159 v_state21_42)) (not (= v_arrayElimIndex_160 v_arrayElimIndex_157)) (not (= v_arrayElimIndex_161 v_arrayElimIndex_160)) (not (= v_arrayElimIndex_161 v_state21_42)) (not (= v_arrayElimIndex_157 v_state21_42)) (not (= v_arrayElimIndex_160 v_state21_42)) (not (= v_arrayElimIndex_160 v_arrayElimIndex_158)) (= c_state12 (select (select c_consume .cse24) (select c_produce c_state21))) (not (= v_arrayElimIndex_160 v_arrayElimIndex_159)) (not (= v_arrayElimIndex_161 v_arrayElimIndex_158)) (not (= v_arrayElimIndex_158 v_arrayElimIndex_157)) (not (= v_arrayElimIndex_158 v_state21_42)) (= c_state22 .cse24) (not (= v_arrayElimIndex_161 v_arrayElimIndex_159)) (not (= v_arrayElimIndex_159 v_arrayElimIndex_157)) (not (= v_arrayElimIndex_161 v_arrayElimIndex_157)) (not (= v_arrayElimIndex_159 v_arrayElimIndex_158))))) (exists ((v_prenex_59 Int) (v_prenex_56 Int) (v_prenex_58 Int) (v_prenex_57 Int)) (let ((.cse26 (select c_produce c_state21))) (let ((.cse25 (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_prenex_58) (select c_produce v_prenex_57))) (select c_produce v_prenex_56))) (select c_produce v_prenex_59))) .cse26)) .cse26)) .cse26))) (and (not (= v_prenex_59 v_prenex_57)) (not (= c_state21 v_prenex_59)) (not (= c_state21 v_prenex_56)) (= c_state12 (select (select c_consume .cse25) .cse26)) (= c_state22 .cse25) (not (= v_prenex_59 v_prenex_56)) (not (= v_prenex_57 v_prenex_56)) (not (= c_state21 v_prenex_57)))))) (exists ((v_prenex_12 Int) (v_prenex_11 Int) (v_prenex_14 Int) (v_prenex_13 Int)) (let ((.cse28 (select c_produce c_state21))) (let ((.cse27 (let ((.cse30 (select c_produce v_prenex_14))) (select (select c_consume (let ((.cse29 (select c_produce v_prenex_13))) (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_prenex_11) (select c_produce v_prenex_12))) .cse29)) .cse30)) .cse28)) .cse29))) .cse30)))) (and (= c_state22 .cse27) (not (= c_state21 v_prenex_14)) (not (= v_prenex_13 v_prenex_12)) (= c_state12 (select (select c_consume .cse27) .cse28)) (not (= c_state21 v_prenex_13)) (not (= v_prenex_14 v_prenex_13)) (not (= v_prenex_14 v_prenex_12)))))) (exists ((v_prenex_38 Int) (v_prenex_39 Int) (v_prenex_41 Int) (v_prenex_40 Int) (v_prenex_43 Int) (v_prenex_42 Int)) (let ((.cse32 (select c_produce c_state21))) (let ((.cse31 (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_prenex_40) (select c_produce v_prenex_39))) (select c_produce v_prenex_38))) (select c_produce v_prenex_41))) (select c_produce v_prenex_42))) (select c_produce v_prenex_43))) .cse32))) (and (not (= c_state21 v_prenex_41)) (not (= v_prenex_43 v_prenex_42)) (not (= v_prenex_38 v_prenex_43)) (= c_state22 .cse31) (not (= v_prenex_39 v_prenex_42)) (not (= v_prenex_42 v_prenex_41)) (not (= v_prenex_38 v_prenex_41)) (not (= c_state21 v_prenex_38)) (not (= v_prenex_39 v_prenex_41)) (not (= v_prenex_38 v_prenex_42)) (not (= v_prenex_39 v_prenex_38)) (not (= v_prenex_43 v_prenex_41)) (not (= v_prenex_39 v_prenex_43)) (not (= c_state21 v_prenex_42)) (not (= c_state21 v_prenex_39)) (= c_state12 (select (select c_consume .cse31) .cse32)))))) (exists ((v_prenex_16 Int) (v_prenex_15 Int) (v_prenex_18 Int) (v_prenex_17 Int) (v_prenex_20 Int) (v_prenex_19 Int)) (let ((.cse34 (select c_produce c_state21))) (let ((.cse33 (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_prenex_15) (select c_produce v_prenex_18))) (select c_produce v_prenex_16))) .cse34)) (select c_produce v_prenex_19))) (select c_produce v_prenex_20))) (select c_produce v_prenex_17)))) (and (not (= c_state21 v_prenex_17)) (= c_state12 (select (select c_consume .cse33) .cse34)) (not (= v_prenex_17 v_prenex_20)) (not (= v_prenex_16 v_prenex_19)) (not (= v_prenex_18 v_prenex_19)) (= c_state22 .cse33) (not (= v_prenex_17 v_prenex_19)) (not (= c_state21 v_prenex_18)) (not (= v_prenex_18 v_prenex_16)) (not (= v_prenex_18 v_prenex_20)) (not (= v_prenex_19 v_prenex_20)) (not (= c_state21 v_prenex_20)) (not (= c_state21 v_prenex_16)) (not (= c_state21 v_prenex_19)) (not (= v_prenex_16 v_prenex_20)) (not (= v_prenex_18 v_prenex_17)))))) (exists ((v_prenex_67 Int) (v_prenex_66 Int) (v_prenex_69 Int) (v_prenex_68 Int) (v_prenex_70 Int)) (let ((.cse36 (select c_produce c_state21))) (let ((.cse35 (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_prenex_68) (select c_produce v_prenex_67))) (select c_produce v_prenex_66))) (select c_produce v_prenex_69))) (select c_produce v_prenex_70))) .cse36)) .cse36))) (and (not (= v_prenex_70 v_prenex_69)) (not (= c_state21 v_prenex_69)) (not (= v_prenex_69 v_prenex_66)) (not (= v_prenex_67 v_prenex_66)) (not (= c_state21 v_prenex_67)) (not (= v_prenex_70 v_prenex_67)) (= c_state12 (select (select c_consume .cse35) .cse36)) (= c_state22 .cse35) (not (= v_prenex_70 v_prenex_66)) (not (= v_prenex_69 v_prenex_67)) (not (= c_state21 v_prenex_66)))))) (exists ((v_prenex_6 Int) (v_prenex_7 Int) (v_prenex_8 Int)) (let ((.cse38 (select c_produce c_state21))) (let ((.cse37 (let ((.cse39 (select c_produce v_prenex_8))) (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_prenex_6) (select c_produce v_prenex_7))) .cse39)) .cse38)) .cse39)) .cse38)) .cse39)))) (and (= c_state22 .cse37) (not (= v_prenex_8 v_prenex_7)) (= c_state12 (select (select c_consume .cse37) .cse38)) (not (= c_state21 v_prenex_7)) (not (= c_state21 v_prenex_8)))))) (exists ((v_prenex_10 Int) (v_prenex_9 Int)) (let ((.cse41 (select c_produce c_state21))) (let ((.cse40 (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_prenex_9) (select c_produce v_prenex_10))) .cse41)) .cse41)) .cse41)) .cse41)) .cse41))) (and (= c_state22 .cse40) (= c_state12 (select (select c_consume .cse40) .cse41)))))) (exists ((v_prenex_85 Int) (v_prenex_84 Int) (v_prenex_87 Int) (v_prenex_86 Int) (v_prenex_83 Int) (v_prenex_82 Int)) (let ((.cse43 (select c_produce c_state21))) (let ((.cse42 (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_prenex_84) (select c_produce v_prenex_83))) .cse43)) (select c_produce v_prenex_85))) (select c_produce v_prenex_86))) (select c_produce v_prenex_87))) (select c_produce v_prenex_82)))) (and (not (= v_prenex_87 v_prenex_85)) (not (= v_prenex_87 v_prenex_82)) (not (= c_state21 v_prenex_85)) (not (= v_prenex_87 v_prenex_86)) (not (= c_state21 v_prenex_82)) (= .cse42 c_state22) (not (= c_state21 v_prenex_87)) (not (= v_prenex_87 v_prenex_83)) (not (= c_state21 v_prenex_86)) (not (= v_prenex_86 v_prenex_85)) (not (= v_prenex_86 v_prenex_83)) (not (= v_prenex_85 v_prenex_83)) (not (= v_prenex_86 v_prenex_82)) (= c_state12 (select (select c_consume .cse42) .cse43)) (not (= v_prenex_85 v_prenex_82)) (not (= c_state21 v_prenex_83)))))) (exists ((v_prenex_49 Int) (v_prenex_48 Int) (v_prenex_47 Int) (v_prenex_51 Int) (v_prenex_50 Int)) (let ((.cse45 (select c_produce c_state21))) (let ((.cse44 (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_prenex_49) (select c_produce v_prenex_48))) (select c_produce v_prenex_47))) (select c_produce v_prenex_50))) (select c_produce v_prenex_51))) .cse45)) .cse45))) (and (not (= v_prenex_50 v_prenex_47)) (not (= v_prenex_50 v_prenex_48)) (not (= v_prenex_51 v_prenex_50)) (not (= v_prenex_48 v_prenex_47)) (not (= c_state21 v_prenex_50)) (not (= c_state21 v_prenex_47)) (not (= c_state21 v_prenex_48)) (not (= v_prenex_51 v_prenex_48)) (= c_state22 .cse44) (not (= c_state21 v_prenex_51)) (= c_state12 (select (select c_consume .cse44) .cse45)) (not (= v_prenex_51 v_prenex_47)))))) (exists ((v_prenex_78 Int) (v_prenex_77 Int) (v_prenex_79 Int) (v_prenex_81 Int) (v_prenex_80 Int)) (let ((.cse47 (select c_produce c_state21))) (let ((.cse46 (let ((.cse48 (select c_produce v_prenex_78))) (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_prenex_80) (select c_produce v_prenex_79))) (select c_produce v_prenex_77))) .cse48)) .cse47)) (select c_produce v_prenex_81))) .cse48)))) (and (not (= c_state21 v_prenex_77)) (not (= c_state21 v_prenex_81)) (not (= v_prenex_78 v_prenex_81)) (not (= c_state21 v_prenex_79)) (not (= c_state21 v_prenex_78)) (= c_state12 (select (select c_consume .cse46) .cse47)) (not (= v_prenex_79 v_prenex_78)) (not (= v_prenex_79 v_prenex_77)) (not (= v_prenex_79 v_prenex_81)) (= c_state22 .cse46) (not (= v_prenex_78 v_prenex_77)))))) (exists ((v_prenex_37 Int) (v_prenex_34 Int) (v_prenex_36 Int) (v_prenex_35 Int)) (let ((.cse50 (select c_produce c_state21))) (let ((.cse49 (let ((.cse51 (select c_produce v_prenex_36))) (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_prenex_34) (select c_produce v_prenex_37))) (select c_produce v_prenex_35))) .cse50)) .cse51)) .cse50)) .cse51)))) (and (not (= c_state21 v_prenex_35)) (not (= v_prenex_37 v_prenex_35)) (= c_state22 .cse49) (not (= v_prenex_37 v_prenex_36)) (not (= c_state21 v_prenex_37)) (not (= c_state21 v_prenex_36)) (= c_state12 (select (select c_consume .cse49) .cse50)) (not (= v_prenex_36 v_prenex_35))))))) is different from true [2021-02-19 23:13:12,700 INFO L446 ElimStorePlain]: Different costs {1=[v_prenex_154, v_prenex_136], 3=[v_prenex_130, v_prenex_121, v_prenex_133, v_prenex_102], 6=[v_prenex_142, v_prenex_112, v_prenex_124, v_prenex_99, v_prenex_127], 10=[v_prenex_109, v_prenex_151, v_prenex_97, v_prenex_148, v_prenex_105], 15=[v_prenex_94, v_prenex_118, v_prenex_145, v_prenex_115, v_prenex_139], 21=[produce]} [2021-02-19 23:13:12,770 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:13:12,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-02-19 23:13:12,778 INFO L550 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-02-19 23:13:13,493 WARN L202 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 980 [2021-02-19 23:13:13,494 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:13:13,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 63 [2021-02-19 23:13:13,532 INFO L550 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-02-19 23:13:14,157 WARN L202 SmtUtils]: Spent 623.00 ms on a formula simplification that was a NOOP. DAG size: 979 [2021-02-19 23:13:14,157 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:13:14,216 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:13:14,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-02-19 23:13:14,224 INFO L550 ElimStorePlain]: Start of recursive call 4: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-02-19 23:13:14,854 WARN L202 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 982 [2021-02-19 23:13:14,855 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:13:14,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 63 [2021-02-19 23:13:14,894 INFO L550 ElimStorePlain]: Start of recursive call 5: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-02-19 23:13:15,548 WARN L202 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 981 [2021-02-19 23:13:15,549 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:13:15,612 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:13:15,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-02-19 23:13:15,621 INFO L550 ElimStorePlain]: Start of recursive call 6: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-02-19 23:13:16,251 WARN L202 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 984 [2021-02-19 23:13:16,252 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:13:16,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 63 [2021-02-19 23:13:16,294 INFO L550 ElimStorePlain]: Start of recursive call 7: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-02-19 23:13:16,934 WARN L202 SmtUtils]: Spent 638.00 ms on a formula simplification that was a NOOP. DAG size: 983 [2021-02-19 23:13:16,935 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:13:17,004 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:13:17,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-02-19 23:13:17,013 INFO L550 ElimStorePlain]: Start of recursive call 8: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-02-19 23:13:17,684 WARN L202 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 986 [2021-02-19 23:13:17,684 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:13:17,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 63 [2021-02-19 23:13:17,736 INFO L550 ElimStorePlain]: Start of recursive call 9: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-02-19 23:13:18,367 WARN L202 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 985 [2021-02-19 23:13:18,368 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:13:18,436 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:13:18,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-02-19 23:13:18,445 INFO L550 ElimStorePlain]: Start of recursive call 10: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-02-19 23:13:19,088 WARN L202 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 988 [2021-02-19 23:13:19,089 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:13:19,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 63 [2021-02-19 23:13:19,132 INFO L550 ElimStorePlain]: Start of recursive call 11: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-02-19 23:13:19,770 WARN L202 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 987 [2021-02-19 23:13:19,770 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:13:19,834 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:13:19,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-02-19 23:13:19,843 INFO L550 ElimStorePlain]: Start of recursive call 12: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-02-19 23:13:20,491 WARN L202 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 990 [2021-02-19 23:13:20,492 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:13:20,565 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:13:20,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-02-19 23:13:20,575 INFO L550 ElimStorePlain]: Start of recursive call 13: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-02-19 23:13:21,254 WARN L202 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 993 [2021-02-19 23:13:21,255 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:13:21,326 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:13:21,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-02-19 23:13:21,336 INFO L550 ElimStorePlain]: Start of recursive call 14: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-02-19 23:13:22,005 WARN L202 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 996 [2021-02-19 23:13:22,005 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:13:22,076 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:13:22,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-02-19 23:13:22,085 INFO L550 ElimStorePlain]: Start of recursive call 15: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-02-19 23:13:22,754 WARN L202 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 999 [2021-02-19 23:13:22,755 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:13:22,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 63 [2021-02-19 23:13:22,805 INFO L550 ElimStorePlain]: Start of recursive call 16: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-02-19 23:13:23,486 WARN L202 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 998 [2021-02-19 23:13:23,486 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:13:23,563 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:13:23,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-02-19 23:13:23,572 INFO L550 ElimStorePlain]: Start of recursive call 17: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-02-19 23:13:24,238 WARN L202 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 1001 [2021-02-19 23:13:24,238 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:13:24,316 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:13:24,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-02-19 23:13:24,325 INFO L550 ElimStorePlain]: Start of recursive call 18: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-02-19 23:13:25,034 WARN L202 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 1004 [2021-02-19 23:13:25,035 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:13:25,097 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:13:25,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-02-19 23:13:25,107 INFO L550 ElimStorePlain]: Start of recursive call 19: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-02-19 23:13:25,792 WARN L202 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 1007 [2021-02-19 23:13:25,793 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:13:25,859 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:13:25,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-02-19 23:13:25,869 INFO L550 ElimStorePlain]: Start of recursive call 20: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-02-19 23:13:26,536 WARN L202 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 1010 [2021-02-19 23:13:26,537 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:13:26,608 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:13:26,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-02-19 23:13:26,617 INFO L550 ElimStorePlain]: Start of recursive call 21: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-02-19 23:13:27,299 WARN L202 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 1013 [2021-02-19 23:13:27,300 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:13:27,372 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:13:27,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-02-19 23:13:27,382 INFO L550 ElimStorePlain]: Start of recursive call 22: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-02-19 23:13:28,055 WARN L202 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 1016 [2021-02-19 23:13:28,056 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:13:28,152 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:13:28,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 91 treesize of output 111 [2021-02-19 23:13:29,192 INFO L550 ElimStorePlain]: Start of recursive call 23: 7 dim-0 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2021-02-19 23:13:29,916 WARN L202 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2021-02-19 23:13:29,916 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:13:30,177 WARN L202 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2021-02-19 23:13:30,178 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:13:30,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 277 [2021-02-19 23:13:30,859 WARN L202 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 711 [2021-02-19 23:13:31,084 WARN L202 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 711 [2021-02-19 23:13:31,283 WARN L202 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 725 [2021-02-19 23:13:31,729 WARN L202 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 729 DAG size of output: 1183 [2021-02-19 23:13:32,090 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 608 DAG size of output: 1220 [2021-02-19 23:13:32,363 WARN L202 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 881 [2021-02-19 23:13:35,008 WARN L202 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 1157 DAG size of output: 1155 [2021-02-19 23:13:35,760 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 522 [2021-02-19 23:13:36,649 WARN L202 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 1260 DAG size of output: 1217 [2021-02-19 23:13:36,869 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 313 [2021-02-19 23:13:37,527 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 646 [2021-02-19 23:13:38,705 WARN L202 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 1465 DAG size of output: 1441 [2021-02-19 23:13:39,389 WARN L202 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 2566 DAG size of output: 2635 [2021-02-19 23:13:39,669 WARN L202 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 879 [2021-02-19 23:13:39,984 WARN L202 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 856 [2021-02-19 23:13:40,123 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2021-02-19 23:13:41,040 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 990 DAG size of output: 940 [2021-02-19 23:13:42,928 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 924 DAG size of output: 925 [2021-02-19 23:13:43,254 WARN L202 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 1570 DAG size of output: 1496 [2021-02-19 23:13:45,861 WARN L202 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 1296 DAG size of output: 1167 [2021-02-19 23:13:48,375 WARN L202 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 1101 DAG size of output: 1000 [2021-02-19 23:13:49,147 WARN L202 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 2713 DAG size of output: 2445 [2021-02-19 23:13:49,416 WARN L202 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 585 DAG size of output: 807 [2021-02-19 23:13:49,795 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 725 [2021-02-19 23:13:51,236 WARN L202 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 1341 DAG size of output: 1348 [2021-02-19 23:13:51,418 WARN L202 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 711 [2021-02-19 23:13:54,015 WARN L202 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 1152 DAG size of output: 1184 [2021-02-19 23:13:55,721 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 720 DAG size of output: 723 [2021-02-19 23:13:55,988 WARN L202 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 1399 DAG size of output: 1434 [2021-02-19 23:13:56,838 WARN L202 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 2514 DAG size of output: 2667 [2021-02-19 23:13:59,342 WARN L202 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 5669 DAG size of output: 5624 [2021-02-19 23:13:59,957 WARN L202 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 1459 [2021-02-19 23:14:00,436 WARN L202 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 721 DAG size of output: 1147 [2021-02-19 23:14:01,013 WARN L202 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 1075 [2021-02-19 23:14:01,195 WARN L202 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 704 DAG size of output: 704 [2021-02-19 23:14:02,711 WARN L202 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 1154 DAG size of output: 1264 [2021-02-19 23:14:04,076 WARN L202 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 2080 DAG size of output: 2237 [2021-02-19 23:14:04,188 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 658 [2021-02-19 23:14:05,551 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 651 DAG size of output: 609 [2021-02-19 23:14:05,733 WARN L202 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 460 [2021-02-19 23:14:08,274 WARN L202 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 917 DAG size of output: 1018 [2021-02-19 23:14:08,582 WARN L202 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 1548 DAG size of output: 1642 [2021-02-19 23:14:08,744 WARN L202 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 651 DAG size of output: 653 [2021-02-19 23:14:08,929 WARN L202 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 492 [2021-02-19 23:14:09,243 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2021-02-19 23:14:10,310 WARN L202 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 989 DAG size of output: 1059 [2021-02-19 23:14:11,129 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 708 DAG size of output: 686 [2021-02-19 23:14:11,534 WARN L202 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 1771 DAG size of output: 1833 [2021-02-19 23:14:13,009 WARN L202 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 3851 DAG size of output: 4159 [2021-02-19 23:14:13,494 WARN L202 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 711 DAG size of output: 1081 [2021-02-19 23:14:13,870 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 651 DAG size of output: 945 [2021-02-19 23:14:15,072 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 899 DAG size of output: 967 [2021-02-19 23:14:15,184 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 640 [2021-02-19 23:14:16,527 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 880 DAG size of output: 1016 [2021-02-19 23:14:17,896 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 963 DAG size of output: 1033 [2021-02-19 23:14:18,259 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 1619 DAG size of output: 1788 [2021-02-19 23:14:18,776 WARN L202 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 708 DAG size of output: 1048 [2021-02-19 23:14:18,987 WARN L202 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 694 DAG size of output: 694 [2021-02-19 23:14:20,372 WARN L202 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 1152 DAG size of output: 1260 [2021-02-19 23:14:21,629 WARN L202 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 2009 DAG size of output: 2163 [2021-02-19 23:14:21,788 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 641 DAG size of output: 643 [2021-02-19 23:14:22,669 WARN L202 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 486 [2021-02-19 23:14:23,902 WARN L202 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 987 DAG size of output: 1060 [2021-02-19 23:14:24,295 WARN L202 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 1695 DAG size of output: 1744 [2021-02-19 23:14:25,759 WARN L202 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 3660 DAG size of output: 3961 [2021-02-19 23:14:26,247 WARN L202 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 719 DAG size of output: 1142 [2021-02-19 23:14:26,422 WARN L202 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 646 DAG size of output: 646 [2021-02-19 23:14:27,741 WARN L202 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 486 [2021-02-19 23:14:30,112 WARN L202 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 1043 DAG size of output: 983 [2021-02-19 23:14:30,535 WARN L202 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 1765 DAG size of output: 1680 [2021-02-19 23:14:30,874 WARN L202 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 659 DAG size of output: 970 [2021-02-19 23:14:32,201 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 887 DAG size of output: 937 [2021-02-19 23:14:32,312 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 648 DAG size of output: 648 [2021-02-19 23:14:33,644 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 895 DAG size of output: 1000 [2021-02-19 23:14:33,751 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 653 [2021-02-19 23:14:35,042 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 920 DAG size of output: 991 [2021-02-19 23:14:35,406 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 1645 DAG size of output: 1677 [2021-02-19 23:14:35,986 WARN L202 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 716 DAG size of output: 1073 [2021-02-19 23:14:36,153 WARN L202 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 710 [2021-02-19 23:14:37,600 WARN L202 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 1258 DAG size of output: 1268 [2021-02-19 23:14:37,780 WARN L202 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 702 [2021-02-19 23:14:39,321 WARN L202 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 1207 DAG size of output: 1303 [2021-02-19 23:14:39,481 WARN L202 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 678 [2021-02-19 23:14:40,818 WARN L202 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 1201 DAG size of output: 1231 [2021-02-19 23:14:41,378 WARN L202 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 2117 DAG size of output: 2106 [2021-02-19 23:14:42,789 WARN L202 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 3956 DAG size of output: 3719 [2021-02-19 23:14:47,568 WARN L202 SmtUtils]: Spent 4.75 s on a formula simplification. DAG size of input: 8188 DAG size of output: 8057 [2021-02-19 23:14:47,920 WARN L202 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 939 [2021-02-19 23:14:48,269 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 1068 [2021-02-19 23:14:48,640 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 823 [2021-02-19 23:14:48,754 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 541 [2021-02-19 23:14:49,855 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 549 [2021-02-19 23:14:52,175 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 1622 DAG size of output: 1426 [2021-02-19 23:14:52,517 WARN L202 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 553 DAG size of output: 819 [2021-02-19 23:14:53,649 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 811 [2021-02-19 23:14:54,747 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 537 DAG size of output: 537 [2021-02-19 23:14:55,798 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 880 DAG size of output: 833 [2021-02-19 23:14:56,126 WARN L202 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 1599 DAG size of output: 1456 [2021-02-19 23:14:57,212 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 413 [2021-02-19 23:14:58,862 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 829 DAG size of output: 730 [2021-02-19 23:14:59,128 WARN L202 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 1393 DAG size of output: 1179 [2021-02-19 23:15:00,064 WARN L202 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 3152 DAG size of output: 2810 [2021-02-19 23:15:00,499 WARN L202 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 619 DAG size of output: 1195 [2021-02-19 23:15:00,614 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2021-02-19 23:15:02,623 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 858 DAG size of output: 780 [2021-02-19 23:15:03,935 WARN L202 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 1495 DAG size of output: 1308 [2021-02-19 23:15:04,108 WARN L202 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 613 [2021-02-19 23:15:05,413 WARN L202 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 433 [2021-02-19 23:15:07,764 WARN L202 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 950 DAG size of output: 863 [2021-02-19 23:15:08,093 WARN L202 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 1635 DAG size of output: 1437 [2021-02-19 23:15:08,469 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 899 [2021-02-19 23:15:08,583 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 596 DAG size of output: 596 [2021-02-19 23:15:09,735 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 937 DAG size of output: 847 [2021-02-19 23:15:09,860 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 600 [2021-02-19 23:15:11,145 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 951 DAG size of output: 945 [2021-02-19 23:15:11,329 WARN L202 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 608 DAG size of output: 608 [2021-02-19 23:15:12,517 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 995 DAG size of output: 909 [2021-02-19 23:15:12,912 WARN L202 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 1716 DAG size of output: 1664 [2021-02-19 23:15:13,947 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 3352 DAG size of output: 3039 [2021-02-19 23:15:14,198 WARN L202 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 1078 [2021-02-19 23:15:14,474 WARN L202 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 829 [2021-02-19 23:15:18,046 WARN L202 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 1341 DAG size of output: 1188 [2021-02-19 23:15:18,166 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 571 [2021-02-19 23:15:21,278 WARN L202 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 1146 DAG size of output: 995 [2021-02-19 23:15:21,506 WARN L202 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 802 [2021-02-19 23:15:25,024 WARN L202 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 1303 DAG size of output: 1150 [2021-02-19 23:15:25,742 WARN L202 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 2473 DAG size of output: 2014 [2021-02-19 23:15:28,499 WARN L202 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 7116 DAG size of output: 6114 [2021-02-19 23:15:39,629 WARN L202 SmtUtils]: Spent 11.07 s on a formula simplification. DAG size of input: 17364 DAG size of output: 16192 [2021-02-19 23:15:50,814 WARN L202 SmtUtils]: Spent 11.06 s on a formula simplification. DAG size of input: 17364 DAG size of output: 16192 [2021-02-19 23:16:02,627 WARN L202 SmtUtils]: Spent 11.73 s on a formula simplification. DAG size of input: 17381 DAG size of output: 16209 [2021-02-19 23:16:11,429 WARN L202 SmtUtils]: Spent 8.71 s on a formula simplification. DAG size of input: 16203 DAG size of output: 15979 [2021-02-19 23:16:36,956 WARN L202 SmtUtils]: Spent 25.33 s on a formula simplification. DAG size of input: 15983 DAG size of output: 31975 [2021-02-19 23:16:45,734 WARN L202 SmtUtils]: Spent 8.59 s on a formula simplification. DAG size of input: 14621 DAG size of output: 14596 [2021-02-19 23:16:56,701 WARN L202 SmtUtils]: Spent 10.87 s on a formula simplification. DAG size of input: 7377 DAG size of output: 14500 [2021-02-19 23:17:00,267 WARN L202 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 7377 DAG size of output: 7378 [2021-02-19 23:17:04,938 WARN L202 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 897 [2021-02-19 23:17:07,662 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 3882 [2021-02-19 23:17:10,564 WARN L202 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 1638 [2021-02-19 23:17:10,914 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 956 DAG size of output: 1803 [2021-02-19 23:17:14,045 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 646 DAG size of output: 982 [2021-02-19 23:17:17,174 WARN L202 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 645 DAG size of output: 1067 [2021-02-19 23:17:20,945 WARN L202 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 1684 DAG size of output: 1253 [2021-02-19 23:17:21,465 WARN L202 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 2112 DAG size of output: 2113 [2021-02-19 23:17:21,720 WARN L202 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 1162 DAG size of output: 1882 [2021-02-19 23:17:25,652 WARN L202 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 705 [2021-02-19 23:17:28,897 WARN L202 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 1216 [2021-02-19 23:17:32,708 WARN L202 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 1224 [2021-02-19 23:17:38,282 WARN L202 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 1795 DAG size of output: 1512 [2021-02-19 23:17:44,216 WARN L202 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 3145 DAG size of output: 2368 [2021-02-19 23:17:49,527 WARN L202 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 986 DAG size of output: 1745 [2021-02-19 23:17:54,878 WARN L202 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 4863 DAG size of output: 3783 [2021-02-19 23:17:57,816 WARN L202 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 1273 [2021-02-19 23:17:57,922 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 867 [2021-02-19 23:17:58,046 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 489 DAG size of output: 817 [2021-02-19 23:18:00,103 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 923 [2021-02-19 23:18:01,427 WARN L202 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 900 DAG size of output: 1682 [2021-02-19 23:18:04,316 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 1076 DAG size of output: 641 [2021-02-19 23:18:06,929 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 582 DAG size of output: 935 [2021-02-19 23:18:08,884 WARN L202 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 1999 DAG size of output: 2000 [2021-02-19 23:18:09,291 WARN L202 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 1220 DAG size of output: 2340 [2021-02-19 23:18:19,055 WARN L202 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 1041 DAG size of output: 1660 [2021-02-19 23:18:22,419 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 696 DAG size of output: 1225 [2021-02-19 23:18:24,539 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 688 [2021-02-19 23:18:27,855 WARN L202 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 1945 DAG size of output: 1431 [2021-02-19 23:18:30,618 WARN L202 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 3705 DAG size of output: 7572 [2021-02-19 23:18:57,615 WARN L202 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 2847 DAG size of output: 2540 [2021-02-19 23:19:01,797 WARN L202 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 7832 DAG size of output: 6223 [2021-02-19 23:19:10,328 WARN L202 SmtUtils]: Spent 8.46 s on a formula simplification. DAG size of input: 7231 DAG size of output: 15058 Received shutdown request... [2021-02-19 23:19:12,769 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28455,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:19:12,769 WARN L545 AbstractCegarLoop]: Verification canceled [2021-02-19 23:19:12,773 WARN L224 ceAbstractionStarter]: Timeout [2021-02-19 23:19:12,774 INFO L202 PluginConnector]: Adding new model producer-consumer-equiv-NAo.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 11:19:12 BasicIcfg [2021-02-19 23:19:12,774 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 23:19:12,774 INFO L168 Benchmark]: Toolchain (without parser) took 521773.63 ms. Allocated memory was 255.9 MB in the beginning and 4.5 GB in the end (delta: 4.3 GB). Free memory was 236.2 MB in the beginning and 4.0 GB in the end (delta: -3.7 GB). Peak memory consumption was 2.8 GB. Max. memory is 16.0 GB. [2021-02-19 23:19:12,774 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.26 ms. Allocated memory is still 255.9 MB. Free memory is still 237.4 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-02-19 23:19:12,774 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.63 ms. Allocated memory is still 255.9 MB. Free memory was 235.7 MB in the beginning and 234.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-02-19 23:19:12,774 INFO L168 Benchmark]: Boogie Preprocessor took 21.02 ms. Allocated memory is still 255.9 MB. Free memory was 234.2 MB in the beginning and 233.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-02-19 23:19:12,774 INFO L168 Benchmark]: RCFGBuilder took 269.74 ms. Allocated memory is still 255.9 MB. Free memory was 233.1 MB in the beginning and 236.0 MB in the end (delta: -2.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.0 GB. [2021-02-19 23:19:12,775 INFO L168 Benchmark]: TraceAbstraction took 521449.80 ms. Allocated memory was 255.9 MB in the beginning and 4.5 GB in the end (delta: 4.3 GB). Free memory was 235.5 MB in the beginning and 4.0 GB in the end (delta: -3.7 GB). Peak memory consumption was 2.8 GB. Max. memory is 16.0 GB. [2021-02-19 23:19:12,775 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.26 ms. Allocated memory is still 255.9 MB. Free memory is still 237.4 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 24.63 ms. Allocated memory is still 255.9 MB. Free memory was 235.7 MB in the beginning and 234.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 21.02 ms. Allocated memory is still 255.9 MB. Free memory was 234.2 MB in the beginning and 233.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 269.74 ms. Allocated memory is still 255.9 MB. Free memory was 233.1 MB in the beginning and 236.0 MB in the end (delta: -2.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.0 GB. * TraceAbstraction took 521449.80 ms. Allocated memory was 255.9 MB in the beginning and 4.5 GB in the end (delta: 4.3 GB). Free memory was 235.5 MB in the beginning and 4.0 GB in the end (delta: -3.7 GB). Peak memory consumption was 2.8 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 69]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 69). Cancelled while PartialOrderCegarLoop was analyzing trace of length 86 with TraceHistMax 7,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 28 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 521.3s, OverallIterations: 20, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 92.7s InterpolantComputationTime, 1834 NumberOfCodeBlocks, 1834 NumberOfCodeBlocksAsserted, 78 NumberOfCheckSat, 1798 ConstructedInterpolants, 137 QuantifiedInterpolants, 1851932 SizeOfPredicates, 65 NumberOfNonLiveVariables, 2165 ConjunctsInSsa, 456 ConjunctsInUnsatCore, 36 InterpolantComputations, 2 PerfectInterpolantSequences, 785/2701 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown