/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-SemanticLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-13 03:10:08,265 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-13 03:10:08,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-13 03:10:08,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-13 03:10:08,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-13 03:10:08,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-13 03:10:08,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-13 03:10:08,324 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-SemanticLbe-Delay.epf [2021-03-13 03:10:08,360 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-13 03:10:08,361 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-13 03:10:08,361 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-13 03:10:08,361 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-13 03:10:08,362 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-13 03:10:08,362 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-13 03:10:08,362 INFO L138 SettingsManager]: * Use SBE=true [2021-03-13 03:10:08,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-13 03:10:08,363 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-13 03:10:08,363 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-13 03:10:08,363 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-13 03:10:08,363 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-13 03:10:08,363 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-13 03:10:08,363 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-13 03:10:08,364 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-13 03:10:08,364 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-13 03:10:08,364 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-13 03:10:08,364 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-13 03:10:08,364 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-13 03:10:08,364 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-13 03:10:08,364 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-13 03:10:08,365 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-13 03:10:08,365 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-13 03:10:08,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-13 03:10:08,365 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-13 03:10:08,365 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-13 03:10:08,365 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-13 03:10:08,366 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-13 03:10:08,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-13 03:10:08,366 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-13 03:10:08,366 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-13 03:10:08,366 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-13 03:10:08,366 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-13 03:10:08,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-13 03:10:08,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-13 03:10:08,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-13 03:10:08,713 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-13 03:10:08,714 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-13 03:10:08,715 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts.wvr.bpl [2021-03-13 03:10:08,716 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts.wvr.bpl' [2021-03-13 03:10:08,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-13 03:10:08,771 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-13 03:10:08,772 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-13 03:10:08,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-13 03:10:08,772 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-13 03:10:08,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 03:10:08" (1/1) ... [2021-03-13 03:10:08,787 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 03:10:08" (1/1) ... [2021-03-13 03:10:08,793 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-13 03:10:08,797 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-13 03:10:08,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-13 03:10:08,797 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-13 03:10:08,803 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 03:10:08" (1/1) ... [2021-03-13 03:10:08,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 03:10:08" (1/1) ... [2021-03-13 03:10:08,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 03:10:08" (1/1) ... [2021-03-13 03:10:08,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 03:10:08" (1/1) ... [2021-03-13 03:10:08,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 03:10:08" (1/1) ... [2021-03-13 03:10:08,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 03:10:08" (1/1) ... [2021-03-13 03:10:08,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 03:10:08" (1/1) ... [2021-03-13 03:10:08,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-13 03:10:08,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-13 03:10:08,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-13 03:10:08,811 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-13 03:10:08,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 03:10:08" (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 [2021-03-13 03:10:08,867 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-13 03:10:08,867 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-13 03:10:08,867 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-13 03:10:08,867 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-13 03:10:08,868 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-13 03:10:08,868 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-13 03:10:08,868 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-13 03:10:08,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-13 03:10:08,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-13 03:10:08,868 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-13 03:10:08,868 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-13 03:10:08,868 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-13 03:10:08,869 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-13 03:10:09,051 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-13 03:10:09,051 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-13 03:10:09,053 INFO L202 PluginConnector]: Adding new model mts.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.03 03:10:09 BoogieIcfgContainer [2021-03-13 03:10:09,053 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-13 03:10:09,054 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-13 03:10:09,054 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-13 03:10:09,057 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-13 03:10:09,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 03:10:08" (1/2) ... [2021-03-13 03:10:09,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ba2801d and model type mts.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 03:10:09, skipping insertion in model container [2021-03-13 03:10:09,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.03 03:10:09" (2/2) ... [2021-03-13 03:10:09,059 INFO L111 eAbstractionObserver]: Analyzing ICFG mts.wvr.bpl [2021-03-13 03:10:09,074 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-13 03:10:09,074 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-13 03:10:09,077 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-13 03:10:09,078 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-13 03:10:09,121 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-03-13 03:10:09,150 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-03-13 03:10:09,182 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-13 03:10:09,182 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-13 03:10:09,182 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-13 03:10:09,182 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-13 03:10:09,183 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-13 03:10:09,183 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-13 03:10:09,183 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-13 03:10:09,183 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-13 03:10:09,194 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-13 03:10:09,195 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 29 transitions, 82 flow [2021-03-13 03:10:09,197 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 29 transitions, 82 flow [2021-03-13 03:10:09,198 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 29 transitions, 82 flow [2021-03-13 03:10:09,234 INFO L129 PetriNetUnfolder]: 3/26 cut-off events. [2021-03-13 03:10:09,234 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-13 03:10:09,237 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 26 events. 3/26 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 23 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 18. Up to 2 conditions per place. [2021-03-13 03:10:09,237 INFO L116 LiptonReduction]: Number of co-enabled transitions 144 [2021-03-13 03:10:09,641 INFO L131 LiptonReduction]: Checked pairs total: 124 [2021-03-13 03:10:09,642 INFO L133 LiptonReduction]: Total number of compositions: 12 [2021-03-13 03:10:09,686 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 03:10:09,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 03:10:09,694 INFO L82 PathProgramCache]: Analyzing trace with hash 1033516883, now seen corresponding path program 1 times [2021-03-13 03:10:09,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 03:10:09,702 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892088801] [2021-03-13 03:10:09,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 03:10:09,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 03:10:09,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 03:10:09,813 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892088801] [2021-03-13 03:10:09,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 03:10:09,814 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-13 03:10:09,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487378373] [2021-03-13 03:10:09,818 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-13 03:10:09,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 03:10:09,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-13 03:10:09,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-13 03:10:09,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:10:09,834 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 03:10:09,835 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-03-13 03:10:09,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:10:09,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:10:09,856 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-13 03:10:09,856 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 03:10:09,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 03:10:09,857 INFO L82 PathProgramCache]: Analyzing trace with hash 956969784, now seen corresponding path program 1 times [2021-03-13 03:10:09,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 03:10:09,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034854698] [2021-03-13 03:10:09,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 03:10:09,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 03:10:09,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 03:10:09,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034854698] [2021-03-13 03:10:09,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [133049085] [2021-03-13 03:10:09,939 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 [2021-03-13 03:10:09,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 03:10:09,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-13 03:10:09,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 03:10:10,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-13 03:10:10,102 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-13 03:10:10,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-03-13 03:10:10,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130987224] [2021-03-13 03:10:10,105 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-13 03:10:10,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 03:10:10,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-13 03:10:10,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-03-13 03:10:10,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:10:10,114 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 03:10:10,114 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2021-03-13 03:10:10,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:10:10,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:10:10,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:10:10,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:10:10,352 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 03:10:10,353 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 03:10:10,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 03:10:10,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1214323731, now seen corresponding path program 1 times [2021-03-13 03:10:10,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 03:10:10,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010312860] [2021-03-13 03:10:10,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 03:10:10,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 03:10:10,680 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 03:10:10,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010312860] [2021-03-13 03:10:10,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2080701279] [2021-03-13 03:10:10,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-13 03:10:10,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 03:10:10,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 22 conjunts are in the unsatisfiable core [2021-03-13 03:10:10,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 03:10:10,882 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:10:10,882 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 35 treesize of output 34 [2021-03-13 03:10:10,901 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-13 03:10:10,913 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:10:10,914 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 41 [2021-03-13 03:10:10,919 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-13 03:10:10,940 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-03-13 03:10:10,940 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 37 [2021-03-13 03:10:10,946 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-13 03:10:10,954 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-03-13 03:10:10,955 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 35 treesize of output 1 [2021-03-13 03:10:10,957 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-03-13 03:10:11,053 INFO L628 ElimStorePlain]: treesize reduction 8, result has 89.7 percent of original size [2021-03-13 03:10:11,055 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-03-13 03:10:11,056 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:217, output treesize:70 [2021-03-13 03:10:11,179 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 03:10:11,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 03:10:11,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-13 03:10:11,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484855955] [2021-03-13 03:10:11,180 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-13 03:10:11,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 03:10:11,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-13 03:10:11,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-03-13 03:10:11,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:10:11,181 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 03:10:11,181 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 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) [2021-03-13 03:10:11,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:10:11,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:10:11,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:10:11,461 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 26 [2021-03-13 03:10:11,601 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 22 [2021-03-13 03:10:11,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:10:11,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:10:11,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 03:10:11,843 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 03:10:11,843 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 03:10:11,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 03:10:11,844 INFO L82 PathProgramCache]: Analyzing trace with hash -399061795, now seen corresponding path program 1 times [2021-03-13 03:10:11,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 03:10:11,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766101969] [2021-03-13 03:10:11,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 03:10:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 03:10:11,881 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-13 03:10:11,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766101969] [2021-03-13 03:10:11,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [740059423] [2021-03-13 03:10:11,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 03:10:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 03:10:11,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-13 03:10:11,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 03:10:11,956 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-13 03:10:11,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 03:10:11,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-03-13 03:10:11,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515413179] [2021-03-13 03:10:11,957 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-13 03:10:11,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 03:10:11,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-13 03:10:11,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-13 03:10:11,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:10:11,958 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 03:10:11,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 states have internal predecessors, (22), 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) [2021-03-13 03:10:11,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:10:11,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:10:11,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 03:10:11,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:10:12,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:10:12,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:10:12,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 03:10:12,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 03:10:12,224 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 03:10:12,224 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 03:10:12,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 03:10:12,225 INFO L82 PathProgramCache]: Analyzing trace with hash 815369363, now seen corresponding path program 2 times [2021-03-13 03:10:12,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 03:10:12,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481001819] [2021-03-13 03:10:12,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 03:10:12,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 03:10:12,838 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 03:10:12,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481001819] [2021-03-13 03:10:12,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [837067387] [2021-03-13 03:10:12,838 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 03:10:12,866 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-13 03:10:12,866 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 03:10:12,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-13 03:10:12,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 03:10:21,761 WARN L205 SmtUtils]: Spent 8.13 s on a formula simplification that was a NOOP. DAG size: 120 [2021-03-13 03:10:23,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:10:23,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:10:23,259 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 21 [2021-03-13 03:10:23,262 INFO L354 Elim1Store]: treesize reduction 8, result has 75.8 percent of original size [2021-03-13 03:10:23,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 53 [2021-03-13 03:10:23,270 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-13 03:10:23,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:10:23,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:10:23,445 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 18 [2021-03-13 03:10:23,445 INFO L354 Elim1Store]: treesize reduction 12, result has 63.6 percent of original size [2021-03-13 03:10:23,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 40 treesize of output 46 [2021-03-13 03:10:23,465 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-13 03:10:26,592 WARN L205 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 232 DAG size of output: 229 [2021-03-13 03:10:26,593 INFO L628 ElimStorePlain]: treesize reduction 10, result has 99.3 percent of original size [2021-03-13 03:10:26,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:10:26,722 INFO L354 Elim1Store]: treesize reduction 24, result has 41.5 percent of original size [2021-03-13 03:10:26,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 71 treesize of output 62 [2021-03-13 03:10:26,731 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-13 03:10:26,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:10:26,814 INFO L354 Elim1Store]: treesize reduction 33, result has 19.5 percent of original size [2021-03-13 03:10:26,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 66 treesize of output 50 [2021-03-13 03:10:26,821 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-03-13 03:10:29,591 WARN L205 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 219 DAG size of output: 214 [2021-03-13 03:10:29,592 INFO L628 ElimStorePlain]: treesize reduction 10, result has 99.2 percent of original size [2021-03-13 03:10:29,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:10:29,715 INFO L354 Elim1Store]: treesize reduction 24, result has 41.5 percent of original size [2021-03-13 03:10:29,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 66 treesize of output 59 [2021-03-13 03:10:29,726 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-03-13 03:10:29,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:10:29,824 INFO L354 Elim1Store]: treesize reduction 24, result has 41.5 percent of original size [2021-03-13 03:10:29,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 71 treesize of output 62 [2021-03-13 03:10:29,831 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-03-13 03:10:32,290 WARN L205 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 203 DAG size of output: 198 [2021-03-13 03:10:32,292 INFO L628 ElimStorePlain]: treesize reduction 14, result has 98.8 percent of original size [2021-03-13 03:10:32,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:10:32,497 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 25 [2021-03-13 03:10:32,498 INFO L354 Elim1Store]: treesize reduction 8, result has 80.5 percent of original size [2021-03-13 03:10:32,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 116 treesize of output 89 [2021-03-13 03:10:32,584 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-03-13 03:10:32,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:10:32,638 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-03-13 03:10:32,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 88 treesize of output 1 [2021-03-13 03:10:32,639 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-03-13 03:10:36,131 WARN L205 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 218 DAG size of output: 186 [2021-03-13 03:10:36,132 INFO L628 ElimStorePlain]: treesize reduction 108, result has 90.0 percent of original size [2021-03-13 03:10:36,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:10:36,281 INFO L354 Elim1Store]: treesize reduction 16, result has 61.0 percent of original size [2021-03-13 03:10:36,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 88 treesize of output 72 [2021-03-13 03:10:36,313 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-03-13 03:10:36,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:10:36,456 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 22 [2021-03-13 03:10:36,456 INFO L354 Elim1Store]: treesize reduction 12, result has 70.7 percent of original size [2021-03-13 03:10:36,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 116 treesize of output 85 [2021-03-13 03:10:36,494 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-03-13 03:10:38,707 WARN L205 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 188 DAG size of output: 168 [2021-03-13 03:10:38,709 INFO L628 ElimStorePlain]: treesize reduction 78, result has 91.2 percent of original size [2021-03-13 03:10:38,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:10:38,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:10:38,863 INFO L354 Elim1Store]: treesize reduction 12, result has 63.6 percent of original size [2021-03-13 03:10:38,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 40 treesize of output 46 [2021-03-13 03:10:38,877 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-03-13 03:10:38,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:10:38,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:10:38,967 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:10:38,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 35 treesize of output 55 [2021-03-13 03:10:39,017 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 3 xjuncts. [2021-03-13 03:10:41,076 WARN L205 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 185 DAG size of output: 159 [2021-03-13 03:10:41,077 INFO L628 ElimStorePlain]: treesize reduction 103, result has 88.1 percent of original size [2021-03-13 03:10:41,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:10:41,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:10:41,194 INFO L354 Elim1Store]: treesize reduction 16, result has 51.5 percent of original size [2021-03-13 03:10:41,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 45 [2021-03-13 03:10:41,202 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-03-13 03:10:41,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:10:41,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:10:41,328 INFO L354 Elim1Store]: treesize reduction 12, result has 63.6 percent of original size [2021-03-13 03:10:41,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 55 treesize of output 55 [2021-03-13 03:10:41,352 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-03-13 03:10:43,253 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 169 DAG size of output: 146 [2021-03-13 03:10:43,254 INFO L628 ElimStorePlain]: treesize reduction 92, result has 87.7 percent of original size [2021-03-13 03:10:43,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:10:43,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:10:43,366 INFO L354 Elim1Store]: treesize reduction 12, result has 63.6 percent of original size [2021-03-13 03:10:43,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 50 treesize of output 52 [2021-03-13 03:10:43,381 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-03-13 03:10:43,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:10:43,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:10:43,428 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-03-13 03:10:43,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 40 treesize of output 1 [2021-03-13 03:10:43,429 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-03-13 03:10:44,985 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 149 DAG size of output: 134 [2021-03-13 03:10:44,986 INFO L628 ElimStorePlain]: treesize reduction 65, result has 89.8 percent of original size [2021-03-13 03:10:45,067 INFO L550 ElimStorePlain]: Start of recursive call 1: 17 dim-0 vars, 8 dim-1 vars, End of recursive call: and 13 xjuncts. [2021-03-13 03:10:45,067 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 25 variables, input treesize:1437, output treesize:827 [2021-03-13 03:10:45,921 WARN L205 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 52 [2021-03-13 03:10:46,129 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 03:10:46,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 03:10:46,130 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 13 [2021-03-13 03:10:46,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197253415] [2021-03-13 03:10:46,130 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-13 03:10:46,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 03:10:46,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-13 03:10:46,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2021-03-13 03:10:46,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:10:46,131 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 03:10:46,132 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 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) [2021-03-13 03:10:46,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:10:46,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:10:46,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 03:10:46,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 03:10:46,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:10:46,644 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 54 [2021-03-13 03:10:47,106 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 52 [2021-03-13 03:10:47,797 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2021-03-13 03:10:48,369 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 44 [2021-03-13 03:10:48,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:10:48,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:10:48,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 03:10:48,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 03:10:48,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 03:10:48,615 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 03:10:48,615 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 03:10:48,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 03:10:48,616 INFO L82 PathProgramCache]: Analyzing trace with hash 1665775923, now seen corresponding path program 3 times [2021-03-13 03:10:48,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 03:10:48,616 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163678976] [2021-03-13 03:10:48,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 03:10:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 03:10:48,751 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 03:10:48,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163678976] [2021-03-13 03:10:48,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [921305956] [2021-03-13 03:10:48,751 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 03:10:48,778 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-13 03:10:48,778 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 03:10:48,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-13 03:10:48,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 03:10:49,017 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-13 03:10:49,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 03:10:49,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2021-03-13 03:10:49,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957854315] [2021-03-13 03:10:49,018 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-13 03:10:49,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 03:10:49,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-13 03:10:49,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2021-03-13 03:10:49,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:10:49,019 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 03:10:49,019 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 2.0) internal successors, (30), 14 states have internal predecessors, (30), 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) [2021-03-13 03:10:49,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:10:49,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:10:49,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 03:10:49,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 03:10:49,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 03:10:49,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:10:49,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:10:49,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:10:49,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 03:10:49,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 03:10:49,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 03:10:49,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 03:10:49,562 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable200,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 03:10:49,562 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 03:10:49,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 03:10:49,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1712477560, now seen corresponding path program 4 times [2021-03-13 03:10:49,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 03:10:49,563 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128625438] [2021-03-13 03:10:49,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 03:10:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 03:10:49,704 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 03:10:49,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128625438] [2021-03-13 03:10:49,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1894261248] [2021-03-13 03:10:49,705 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 03:10:49,736 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-13 03:10:49,736 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 03:10:49,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-13 03:10:49,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 03:10:50,094 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 03:10:50,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 03:10:50,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-13 03:10:50,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144269454] [2021-03-13 03:10:50,094 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-13 03:10:50,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 03:10:50,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-13 03:10:50,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2021-03-13 03:10:50,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:10:50,095 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 03:10:50,095 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.7777777777777777) internal successors, (32), 17 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 03:10:50,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:10:50,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:10:50,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 03:10:50,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 03:10:50,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 03:10:50,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 03:10:50,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:10:50,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:10:50,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:10:50,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 03:10:50,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 03:10:50,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 03:10:50,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 03:10:50,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-13 03:10:50,764 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable201 [2021-03-13 03:10:50,764 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 03:10:50,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 03:10:50,765 INFO L82 PathProgramCache]: Analyzing trace with hash -1134738989, now seen corresponding path program 5 times [2021-03-13 03:10:50,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 03:10:50,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81461159] [2021-03-13 03:10:50,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 03:10:50,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 03:10:51,496 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 35 [2021-03-13 03:10:51,851 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 46 [2021-03-13 03:10:52,849 WARN L205 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 86 [2021-03-13 03:10:54,733 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 182 DAG size of output: 122 [2021-03-13 03:10:55,555 WARN L205 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 91 [2021-03-13 03:10:56,204 WARN L205 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 57 [2021-03-13 03:10:56,484 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 33 [2021-03-13 03:10:56,823 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 03:10:56,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81461159] [2021-03-13 03:10:56,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1757119847] [2021-03-13 03:10:56,824 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 03:10:56,869 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-13 03:10:56,870 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 03:10:56,871 WARN L261 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 52 conjunts are in the unsatisfiable core [2021-03-13 03:10:56,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 03:10:57,254 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-03-13 03:10:57,513 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-13 03:10:57,867 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-03-13 03:10:58,248 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-03-13 03:10:58,714 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-03-13 03:10:59,300 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2021-03-13 03:11:00,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:00,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:00,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:00,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:00,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:00,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:00,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:00,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:00,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:00,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:00,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:00,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:01,049 INFO L244 Elim1Store]: Index analysis took 223 ms [2021-03-13 03:11:01,170 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 19 [2021-03-13 03:11:01,170 INFO L354 Elim1Store]: treesize reduction 68, result has 26.9 percent of original size [2021-03-13 03:11:01,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 88 treesize of output 66 [2021-03-13 03:11:01,188 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-13 03:11:01,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:01,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:01,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:01,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:01,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:01,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:01,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:01,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:01,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:01,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:01,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:01,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:01,406 INFO L244 Elim1Store]: Index analysis took 177 ms [2021-03-13 03:11:01,502 INFO L354 Elim1Store]: treesize reduction 70, result has 24.7 percent of original size [2021-03-13 03:11:01,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 98 treesize of output 68 [2021-03-13 03:11:01,513 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-13 03:11:01,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:01,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:01,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:01,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:01,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:01,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:01,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:01,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:01,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:01,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:01,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:01,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:01,747 INFO L244 Elim1Store]: Index analysis took 192 ms [2021-03-13 03:11:01,931 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 36 [2021-03-13 03:11:01,931 INFO L354 Elim1Store]: treesize reduction 42, result has 54.8 percent of original size [2021-03-13 03:11:01,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 123 treesize of output 105 [2021-03-13 03:11:02,001 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-13 03:11:02,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:02,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:02,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:02,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:02,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:02,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:02,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:02,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:02,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:02,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:02,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:02,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:02,232 INFO L244 Elim1Store]: Index analysis took 186 ms [2021-03-13 03:11:02,324 INFO L354 Elim1Store]: treesize reduction 76, result has 18.3 percent of original size [2021-03-13 03:11:02,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 95 treesize of output 57 [2021-03-13 03:11:02,331 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-03-13 03:11:02,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:02,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:02,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:02,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:02,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:02,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:02,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:02,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:02,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:02,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:02,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:02,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:02,552 INFO L244 Elim1Store]: Index analysis took 183 ms [2021-03-13 03:11:02,756 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2021-03-13 03:11:02,756 INFO L354 Elim1Store]: treesize reduction 36, result has 61.3 percent of original size [2021-03-13 03:11:02,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 104 treesize of output 104 [2021-03-13 03:11:02,797 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-03-13 03:11:02,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:02,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:02,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:02,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:02,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:02,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:02,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:02,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:02,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:02,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:02,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:02,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,047 INFO L244 Elim1Store]: Index analysis took 204 ms [2021-03-13 03:11:03,075 INFO L354 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2021-03-13 03:11:03,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 114 treesize of output 1 [2021-03-13 03:11:03,076 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-03-13 03:11:03,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,306 INFO L244 Elim1Store]: Index analysis took 193 ms [2021-03-13 03:11:03,330 INFO L354 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2021-03-13 03:11:03,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 92 treesize of output 1 [2021-03-13 03:11:03,331 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-03-13 03:11:03,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,582 INFO L244 Elim1Store]: Index analysis took 217 ms [2021-03-13 03:11:03,605 INFO L354 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2021-03-13 03:11:03,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 98 treesize of output 1 [2021-03-13 03:11:03,614 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-03-13 03:11:03,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,824 INFO L244 Elim1Store]: Index analysis took 176 ms [2021-03-13 03:11:03,847 INFO L354 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2021-03-13 03:11:03,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 91 treesize of output 1 [2021-03-13 03:11:03,848 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-03-13 03:11:03,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:03,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,060 INFO L244 Elim1Store]: Index analysis took 171 ms [2021-03-13 03:11:04,081 INFO L354 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2021-03-13 03:11:04,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 102 treesize of output 1 [2021-03-13 03:11:04,082 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-03-13 03:11:04,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,274 INFO L244 Elim1Store]: Index analysis took 163 ms [2021-03-13 03:11:04,365 INFO L354 Elim1Store]: treesize reduction 76, result has 18.3 percent of original size [2021-03-13 03:11:04,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 112 treesize of output 64 [2021-03-13 03:11:04,371 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-03-13 03:11:04,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,565 INFO L244 Elim1Store]: Index analysis took 153 ms [2021-03-13 03:11:04,587 INFO L354 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2021-03-13 03:11:04,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 110 treesize of output 1 [2021-03-13 03:11:04,588 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-03-13 03:11:04,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,780 INFO L244 Elim1Store]: Index analysis took 159 ms [2021-03-13 03:11:04,796 INFO L354 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2021-03-13 03:11:04,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 76 treesize of output 36 [2021-03-13 03:11:04,803 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-03-13 03:11:04,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:04,983 INFO L244 Elim1Store]: Index analysis took 148 ms [2021-03-13 03:11:05,071 INFO L354 Elim1Store]: treesize reduction 79, result has 15.1 percent of original size [2021-03-13 03:11:05,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 118 treesize of output 65 [2021-03-13 03:11:05,077 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-03-13 03:11:05,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,276 INFO L244 Elim1Store]: Index analysis took 167 ms [2021-03-13 03:11:05,293 INFO L354 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2021-03-13 03:11:05,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 38 [2021-03-13 03:11:05,299 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-03-13 03:11:05,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,531 INFO L244 Elim1Store]: Index analysis took 191 ms [2021-03-13 03:11:05,547 INFO L354 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2021-03-13 03:11:05,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 72 treesize of output 34 [2021-03-13 03:11:05,553 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-03-13 03:11:05,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,744 INFO L244 Elim1Store]: Index analysis took 158 ms [2021-03-13 03:11:05,835 INFO L354 Elim1Store]: treesize reduction 79, result has 15.1 percent of original size [2021-03-13 03:11:05,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 120 treesize of output 65 [2021-03-13 03:11:05,838 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-03-13 03:11:05,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:05,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:06,090 INFO L244 Elim1Store]: Index analysis took 200 ms [2021-03-13 03:11:06,120 INFO L354 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2021-03-13 03:11:06,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 85 treesize of output 1 [2021-03-13 03:11:06,121 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-03-13 03:11:06,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:06,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:06,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:06,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:06,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:06,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:06,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:06,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:06,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:06,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:06,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:06,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:11:06,346 INFO L244 Elim1Store]: Index analysis took 183 ms [2021-03-13 03:11:06,532 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-03-13 03:11:06,533 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:11:06,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 152 treesize of output 156