/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 19:31:16,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 19:31:16,380 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 19:31:16,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 19:31:16,451 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-07-14 19:31:16,484 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 19:31:16,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 19:31:16,484 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 19:31:16,485 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 19:31:16,487 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 19:31:16,487 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 19:31:16,487 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 19:31:16,487 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 19:31:16,487 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 19:31:16,487 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 19:31:16,488 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 19:31:16,488 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 19:31:16,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 19:31:16,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 19:31:16,488 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 19:31:16,488 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 19:31:16,488 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 19:31:16,489 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 19:31:16,489 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 19:31:16,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 19:31:16,489 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 19:31:16,489 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 19:31:16,489 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 19:31:16,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 19:31:16,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 19:31:16,489 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 19:31:16,490 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 19:31:16,490 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 19:31:16,490 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 19:31:16,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 19:31:16,490 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 19:31:16,490 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 19:31:16,490 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 19:31:16,490 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 19:31:16,490 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 19:31:16,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 19:31:16,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 19:31:16,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 19:31:16,749 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 19:31:16,749 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 19:31:16,750 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl [2021-07-14 19:31:16,750 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl' [2021-07-14 19:31:16,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 19:31:16,771 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 19:31:16,772 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 19:31:16,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 19:31:16,772 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 19:31:16,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:31:16" (1/1) ... [2021-07-14 19:31:16,784 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:31:16" (1/1) ... [2021-07-14 19:31:16,789 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 19:31:16,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 19:31:16,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 19:31:16,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 19:31:16,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:31:16" (1/1) ... [2021-07-14 19:31:16,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:31:16" (1/1) ... [2021-07-14 19:31:16,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:31:16" (1/1) ... [2021-07-14 19:31:16,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:31:16" (1/1) ... [2021-07-14 19:31:16,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:31:16" (1/1) ... [2021-07-14 19:31:16,799 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:31:16" (1/1) ... [2021-07-14 19:31:16,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:31:16" (1/1) ... [2021-07-14 19:31:16,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 19:31:16,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 19:31:16,800 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 19:31:16,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 19:31:16,801 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:31:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 19:31:16,850 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 19:31:16,850 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 19:31:16,850 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 19:31:16,850 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 19:31:16,850 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 19:31:16,850 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 19:31:16,851 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 19:31:16,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 19:31:16,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 19:31:16,851 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 19:31:16,851 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 19:31:16,851 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 19:31:16,852 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 19:31:16,974 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 19:31:16,974 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 19:31:16,975 INFO L202 PluginConnector]: Adding new model sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 07:31:16 BoogieIcfgContainer [2021-07-14 19:31:16,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 19:31:16,977 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 19:31:16,977 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 19:31:16,978 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 19:31:16,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:31:16" (1/2) ... [2021-07-14 19:31:16,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@263b52af and model type sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 07:31:16, skipping insertion in model container [2021-07-14 19:31:16,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 07:31:16" (2/2) ... [2021-07-14 19:31:16,980 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-fun-alt.wvr.bpl [2021-07-14 19:31:16,984 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 19:31:16,984 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 19:31:16,984 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 19:31:16,984 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 19:31:17,047 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-14 19:31:17,067 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 19:31:17,105 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 19:31:17,106 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 19:31:17,106 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 19:31:17,106 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 19:31:17,106 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 19:31:17,106 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 19:31:17,106 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 19:31:17,106 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 19:31:17,214 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:31:17,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:31:17,218 INFO L82 PathProgramCache]: Analyzing trace with hash -1567474097, now seen corresponding path program 1 times [2021-07-14 19:31:17,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:31:17,228 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169931657] [2021-07-14 19:31:17,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:31:17,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:31:17,401 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-07-14 19:31:17,401 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:31:17,402 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169931657] [2021-07-14 19:31:17,402 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169931657] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:17,403 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1010109304] [2021-07-14 19:31:17,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:31:17,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-14 19:31:17,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:31:17,604 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-07-14 19:31:17,604 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1010109304] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:17,604 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:31:17,604 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-07-14 19:31:17,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372259985] [2021-07-14 19:31:17,613 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 19:31:17,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:31:17,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 19:31:17,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-07-14 19:31:17,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:17,626 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:31:17,627 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 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) [2021-07-14 19:31:17,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:17,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:17,929 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-07-14 19:31:17,929 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:31:17,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:31:17,930 INFO L82 PathProgramCache]: Analyzing trace with hash 578274737, now seen corresponding path program 2 times [2021-07-14 19:31:17,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:31:17,930 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286567673] [2021-07-14 19:31:17,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:31:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:31:17,993 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 19:31:17,993 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:31:17,993 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286567673] [2021-07-14 19:31:17,993 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286567673] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:17,994 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903235274] [2021-07-14 19:31:17,994 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:18,025 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 19:31:18,026 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:31:18,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 19:31:18,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:31:18,133 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 19:31:18,134 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [903235274] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:18,134 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:31:18,134 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-07-14 19:31:18,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200471490] [2021-07-14 19:31:18,135 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 19:31:18,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:31:18,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 19:31:18,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-07-14 19:31:18,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:18,138 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:31:18,138 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:31:18,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:18,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:18,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:18,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:18,468 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:18,469 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:31:18,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:31:18,470 INFO L82 PathProgramCache]: Analyzing trace with hash 1058602131, now seen corresponding path program 3 times [2021-07-14 19:31:18,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:31:18,470 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441778] [2021-07-14 19:31:18,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:31:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:31:18,614 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:18,615 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:31:18,615 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441778] [2021-07-14 19:31:18,615 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441778] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:18,615 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110667404] [2021-07-14 19:31:18,615 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:18,666 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-14 19:31:18,666 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:31:18,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-14 19:31:18,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:31:18,799 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:18,799 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1110667404] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:18,799 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:31:18,799 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 14 [2021-07-14 19:31:18,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675457289] [2021-07-14 19:31:18,800 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 19:31:18,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:31:18,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 19:31:18,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2021-07-14 19:31:18,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:18,801 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:31:18,801 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:31:18,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:18,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:18,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:18,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:18,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:18,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:19,160 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:19,161 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:31:19,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:31:19,162 INFO L82 PathProgramCache]: Analyzing trace with hash -1203240203, now seen corresponding path program 4 times [2021-07-14 19:31:19,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:31:19,162 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536804467] [2021-07-14 19:31:19,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:31:19,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:31:19,618 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:19,619 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:31:19,619 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536804467] [2021-07-14 19:31:19,619 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536804467] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:19,622 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [347075272] [2021-07-14 19:31:19,623 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:19,658 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 19:31:19,658 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:31:19,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 40 conjunts are in the unsatisfiable core [2021-07-14 19:31:19,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:31:20,282 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:20,300 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:31:20,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 31 treesize of output 39 [2021-07-14 19:31:20,330 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 19:31:20,334 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:31:20,336 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 19:31:20,336 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:39, output treesize:3 [2021-07-14 19:31:20,369 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:20,370 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [347075272] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:20,370 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:31:20,370 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16] total 26 [2021-07-14 19:31:20,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772256601] [2021-07-14 19:31:20,370 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-14 19:31:20,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:31:20,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-14 19:31:20,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=574, Unknown=0, NotChecked=0, Total=650 [2021-07-14 19:31:20,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:20,372 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:31:20,372 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 2.269230769230769) internal successors, (59), 26 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:31:20,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:20,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:20,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:20,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:21,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:21,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:21,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:21,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 19:31:22,192 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:22,193 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:31:22,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:31:22,193 INFO L82 PathProgramCache]: Analyzing trace with hash -1580271401, now seen corresponding path program 5 times [2021-07-14 19:31:22,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:31:22,194 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178172662] [2021-07-14 19:31:22,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:31:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:31:22,292 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 9 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:22,292 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:31:22,292 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178172662] [2021-07-14 19:31:22,292 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178172662] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:22,292 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1653400190] [2021-07-14 19:31:22,292 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:22,331 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 19:31:22,331 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:31:22,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-14 19:31:22,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:31:22,518 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 16 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:22,518 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1653400190] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:22,518 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:31:22,519 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 24 [2021-07-14 19:31:22,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358646939] [2021-07-14 19:31:22,520 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-14 19:31:22,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:31:22,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-14 19:31:22,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=449, Unknown=0, NotChecked=0, Total=552 [2021-07-14 19:31:22,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:22,521 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:31:22,521 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 24 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:31:22,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:22,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:22,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:22,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 19:31:22,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:23,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:23,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:23,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:23,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:31:23,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:31:23,355 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:23,355 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:31:23,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:31:23,355 INFO L82 PathProgramCache]: Analyzing trace with hash -366388957, now seen corresponding path program 6 times [2021-07-14 19:31:23,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:31:23,356 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619493084] [2021-07-14 19:31:23,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:31:23,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:31:23,481 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 16 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:23,482 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:31:23,482 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619493084] [2021-07-14 19:31:23,482 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619493084] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:23,482 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297520241] [2021-07-14 19:31:23,482 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:23,542 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-14 19:31:23,542 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:31:23,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-14 19:31:23,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:31:23,812 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:23,812 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [297520241] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:23,812 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:31:23,812 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16] total 27 [2021-07-14 19:31:23,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290477493] [2021-07-14 19:31:23,813 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-14 19:31:23,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:31:23,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-14 19:31:23,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=567, Unknown=0, NotChecked=0, Total=702 [2021-07-14 19:31:23,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:23,814 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:31:23,814 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.740740740740741) internal successors, (74), 27 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:31:23,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:23,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:23,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:23,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:31:23,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:31:23,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:24,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:24,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:24,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:24,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:31:24,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:31:24,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:31:24,212 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:24,213 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:31:24,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:31:24,213 INFO L82 PathProgramCache]: Analyzing trace with hash 1347767557, now seen corresponding path program 7 times [2021-07-14 19:31:24,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:31:24,214 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350915848] [2021-07-14 19:31:24,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:31:24,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:31:24,338 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 14 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:24,338 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:31:24,338 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350915848] [2021-07-14 19:31:24,338 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350915848] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:24,338 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1370893774] [2021-07-14 19:31:24,338 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:24,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:31:24,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-14 19:31:24,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:31:24,627 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 14 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:24,627 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1370893774] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:24,628 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:31:24,628 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-07-14 19:31:24,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931243378] [2021-07-14 19:31:24,628 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-14 19:31:24,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:31:24,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-14 19:31:24,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-07-14 19:31:24,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:24,629 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:31:24,629 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.4827586206896552) internal successors, (72), 29 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:31:24,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:24,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:24,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:24,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:31:24,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:31:24,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:31:24,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:24,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:24,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:24,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:24,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:31:24,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:31:24,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:31:24,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:31:25,053 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-07-14 19:31:25,053 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:31:25,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:31:25,054 INFO L82 PathProgramCache]: Analyzing trace with hash -615264153, now seen corresponding path program 8 times [2021-07-14 19:31:25,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:31:25,054 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044673884] [2021-07-14 19:31:25,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:31:25,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:31:25,682 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:25,682 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:31:25,682 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044673884] [2021-07-14 19:31:25,683 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044673884] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:25,683 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [735480492] [2021-07-14 19:31:25,683 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:25,722 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 19:31:25,722 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:31:25,723 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 64 conjunts are in the unsatisfiable core [2021-07-14 19:31:25,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:31:26,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:26,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:26,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:26,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:26,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:26,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:26,766 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:26,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:26,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:26,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:26,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:26,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:26,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:26,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:26,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:26,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:26,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:26,774 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:26,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:26,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:26,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:26,777 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:26,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:26,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:26,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:26,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:26,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:26,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:26,781 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:26,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:26,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:26,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:26,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:26,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:26,786 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:26,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 21 disjoint index pairs (out of 66 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 31 [2021-07-14 19:31:26,791 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 19:31:26,799 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:31:26,801 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 19:31:26,801 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:109, output treesize:7 [2021-07-14 19:31:26,828 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:26,828 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [735480492] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:26,828 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:31:26,829 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 33 [2021-07-14 19:31:26,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554684827] [2021-07-14 19:31:26,832 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-14 19:31:26,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:31:26,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-14 19:31:26,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=967, Unknown=0, NotChecked=0, Total=1056 [2021-07-14 19:31:26,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:26,834 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:31:26,834 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 2.303030303030303) internal successors, (76), 33 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:31:26,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:26,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:26,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:26,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:31:26,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:31:26,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:31:26,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:31:26,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:28,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:28,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:28,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:28,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:31:28,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:31:28,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:31:28,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:31:28,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:31:28,958 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:28,959 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:31:28,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:31:28,959 INFO L82 PathProgramCache]: Analyzing trace with hash -1598094519, now seen corresponding path program 9 times [2021-07-14 19:31:28,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:31:28,960 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020031401] [2021-07-14 19:31:28,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:31:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:31:29,137 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 36 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:29,137 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:31:29,137 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020031401] [2021-07-14 19:31:29,137 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020031401] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:29,137 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883451608] [2021-07-14 19:31:29,138 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:29,175 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-07-14 19:31:29,176 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:31:29,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-14 19:31:29,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:31:29,521 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 49 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:29,522 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [883451608] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:29,522 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:31:29,522 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 35 [2021-07-14 19:31:29,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243373213] [2021-07-14 19:31:29,522 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 19:31:29,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:31:29,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 19:31:29,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=980, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 19:31:29,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:29,523 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:31:29,523 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 2.4) internal successors, (84), 35 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:31:29,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:29,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:29,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:29,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:31:29,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:31:29,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:31:29,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:31:29,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:31:29,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:30,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:30,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:30,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:30,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:31:30,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:31:30,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:31:30,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:31:30,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:31:30,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:31:30,709 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:30,709 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:31:30,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:31:30,710 INFO L82 PathProgramCache]: Analyzing trace with hash 2086704577, now seen corresponding path program 10 times [2021-07-14 19:31:30,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:31:30,710 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737557288] [2021-07-14 19:31:30,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:31:30,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:31:30,940 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 24 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:30,940 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:31:30,940 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737557288] [2021-07-14 19:31:30,940 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737557288] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:30,941 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [719131034] [2021-07-14 19:31:30,941 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:30,976 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 19:31:30,976 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:31:30,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-14 19:31:30,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:31:31,294 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 24 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:31,294 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [719131034] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:31,294 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:31:31,294 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 37 [2021-07-14 19:31:31,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760888689] [2021-07-14 19:31:31,295 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-14 19:31:31,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:31:31,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-14 19:31:31,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=254, Invalid=1078, Unknown=0, NotChecked=0, Total=1332 [2021-07-14 19:31:31,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:31,296 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:31:31,296 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.3783783783783785) internal successors, (88), 37 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:31:31,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:31,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:31,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:31,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:31:31,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:31:31,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:31:31,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:31:31,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:31:31,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:31:31,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:31,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:31,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:31,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:31,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:31:31,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:31:31,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:31:31,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:31:31,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:31:31,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:31:31,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:31:31,728 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-07-14 19:31:31,729 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:31:31,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:31:31,729 INFO L82 PathProgramCache]: Analyzing trace with hash -262236381, now seen corresponding path program 11 times [2021-07-14 19:31:31,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:31:31,729 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197175881] [2021-07-14 19:31:31,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:31:31,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:31:32,712 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 9 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:32,712 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:31:32,712 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197175881] [2021-07-14 19:31:32,712 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197175881] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:32,712 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782472990] [2021-07-14 19:31:32,713 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:32,751 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2021-07-14 19:31:32,752 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:31:32,753 WARN L261 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 80 conjunts are in the unsatisfiable core [2021-07-14 19:31:32,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:31:33,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:33,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:33,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:33,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:33,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:33,689 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:33,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:33,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:33,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:33,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:33,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:33,693 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:33,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:33,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:33,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:33,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:33,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:33,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:33,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:33,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:33,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:33,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:33,701 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:33,701 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:33,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:33,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:33,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:33,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:33,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:33,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:33,706 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:33,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:33,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:33,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 36 disjoint index pairs (out of 91 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 25 [2021-07-14 19:31:33,710 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 19:31:33,714 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:31:33,715 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 19:31:33,715 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:3 [2021-07-14 19:31:33,745 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:33,745 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1782472990] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:33,745 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:31:33,745 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24] total 45 [2021-07-14 19:31:33,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384473944] [2021-07-14 19:31:33,745 INFO L462 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-07-14 19:31:33,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:31:33,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-07-14 19:31:33,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=1822, Unknown=0, NotChecked=0, Total=1980 [2021-07-14 19:31:33,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:33,747 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:31:33,747 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 45 states, 45 states have (on average 2.2444444444444445) internal successors, (101), 45 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:31:33,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:33,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:33,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:33,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:31:33,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:31:33,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:31:33,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:31:33,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:31:33,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:31:33,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:31:33,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:36,413 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 82 [2021-07-14 19:31:36,715 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 85 [2021-07-14 19:31:37,092 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 88 [2021-07-14 19:31:38,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:38,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:38,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:38,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:31:38,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:31:38,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:31:38,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:31:38,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:31:38,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:31:38,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:31:38,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:31:38,340 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-07-14 19:31:38,341 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:31:38,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:31:38,341 INFO L82 PathProgramCache]: Analyzing trace with hash 735747197, now seen corresponding path program 12 times [2021-07-14 19:31:38,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:31:38,342 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726415824] [2021-07-14 19:31:38,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:31:38,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:31:38,535 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 38 proven. 123 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:38,535 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:31:38,536 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726415824] [2021-07-14 19:31:38,536 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726415824] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:38,536 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1571560524] [2021-07-14 19:31:38,536 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:38,583 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2021-07-14 19:31:38,584 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:31:38,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 24 conjunts are in the unsatisfiable core [2021-07-14 19:31:38,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:31:39,066 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 38 proven. 123 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:39,066 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1571560524] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:39,066 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:31:39,066 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 45 [2021-07-14 19:31:39,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971781013] [2021-07-14 19:31:39,067 INFO L462 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-07-14 19:31:39,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:31:39,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-07-14 19:31:39,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=372, Invalid=1608, Unknown=0, NotChecked=0, Total=1980 [2021-07-14 19:31:39,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:39,068 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:31:39,069 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 45 states, 45 states have (on average 2.311111111111111) internal successors, (104), 45 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:31:39,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:39,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:39,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:39,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:31:39,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:31:39,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:31:39,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:31:39,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:31:39,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:31:39,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:31:39,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:31:39,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:39,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:39,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:39,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:39,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:31:39,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:31:39,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:31:39,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:31:39,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:31:39,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:31:39,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:31:39,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:31:39,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:31:39,513 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-07-14 19:31:39,514 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:31:39,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:31:39,514 INFO L82 PathProgramCache]: Analyzing trace with hash -931521569, now seen corresponding path program 13 times [2021-07-14 19:31:39,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:31:39,514 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900417292] [2021-07-14 19:31:39,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:31:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:31:40,757 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 27 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:40,758 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:31:40,758 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900417292] [2021-07-14 19:31:40,758 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900417292] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:40,758 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835479504] [2021-07-14 19:31:40,758 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:40,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:31:40,809 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 96 conjunts are in the unsatisfiable core [2021-07-14 19:31:40,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:31:42,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,173 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:42,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,177 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:42,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,187 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:42,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,197 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:42,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,209 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:42,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,211 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:42,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:42,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 55 disjoint index pairs (out of 136 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 29 [2021-07-14 19:31:42,214 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 19:31:42,218 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:31:42,218 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 19:31:42,219 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:89, output treesize:3 [2021-07-14 19:31:42,247 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:42,248 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1835479504] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:42,248 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:31:42,248 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 53 [2021-07-14 19:31:42,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433012002] [2021-07-14 19:31:42,248 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-07-14 19:31:42,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:31:42,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-07-14 19:31:42,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=2521, Unknown=0, NotChecked=0, Total=2756 [2021-07-14 19:31:42,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:42,250 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:31:42,250 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 2.207547169811321) internal successors, (117), 53 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:31:42,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:42,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:42,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:42,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:31:42,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:31:42,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:31:42,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:31:42,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:31:42,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:31:42,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:31:42,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:31:42,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:31:42,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:46,187 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 108 [2021-07-14 19:31:46,558 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 103 [2021-07-14 19:31:46,728 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 104 [2021-07-14 19:31:46,904 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 116 [2021-07-14 19:31:47,102 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 114 [2021-07-14 19:31:47,355 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 111 [2021-07-14 19:31:47,551 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 114 [2021-07-14 19:31:48,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:48,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:48,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:48,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:31:48,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:31:48,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:31:48,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:31:48,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:31:48,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:31:48,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:31:48,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:31:48,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:31:48,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:31:48,680 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:48,681 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:31:48,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:31:48,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1980210887, now seen corresponding path program 14 times [2021-07-14 19:31:48,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:31:48,681 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156471921] [2021-07-14 19:31:48,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:31:48,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:31:48,956 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 56 proven. 173 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:48,957 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:31:48,957 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156471921] [2021-07-14 19:31:48,957 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156471921] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:48,957 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [28362767] [2021-07-14 19:31:48,957 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:48,996 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 19:31:48,996 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:31:48,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 28 conjunts are in the unsatisfiable core [2021-07-14 19:31:48,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:31:49,551 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 56 proven. 173 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:49,551 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [28362767] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:49,552 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:31:49,552 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 53 [2021-07-14 19:31:49,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846974686] [2021-07-14 19:31:49,552 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-07-14 19:31:49,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:31:49,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-07-14 19:31:49,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=514, Invalid=2242, Unknown=0, NotChecked=0, Total=2756 [2021-07-14 19:31:49,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:49,553 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:31:49,554 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 2.2641509433962264) internal successors, (120), 53 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:31:49,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:49,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:49,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:49,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:31:49,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:31:49,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:31:49,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:31:49,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:31:49,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:31:49,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:31:49,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:31:49,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:31:49,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:31:49,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:49,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:49,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:49,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:49,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:31:49,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:31:49,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:31:49,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:31:49,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:31:49,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:31:49,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:31:49,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:31:49,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:31:49,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:31:49,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:31:50,095 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-07-14 19:31:50,095 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:31:50,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:31:50,096 INFO L82 PathProgramCache]: Analyzing trace with hash -858038629, now seen corresponding path program 15 times [2021-07-14 19:31:50,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:31:50,096 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64918964] [2021-07-14 19:31:50,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:31:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:31:51,681 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 42 proven. 212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:51,681 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:31:51,681 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64918964] [2021-07-14 19:31:51,681 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64918964] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:51,681 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2612762] [2021-07-14 19:31:51,681 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:51,732 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2021-07-14 19:31:51,733 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:31:51,734 WARN L261 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 119 conjunts are in the unsatisfiable core [2021-07-14 19:31:51,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:31:53,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,654 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:53,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,674 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:53,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,676 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:53,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:53,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,693 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:53,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,701 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:53,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:53,702 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:53,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 78 disjoint index pairs (out of 190 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 33 [2021-07-14 19:31:53,705 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 19:31:53,711 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:31:53,712 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 19:31:53,712 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:114, output treesize:13 [2021-07-14 19:31:53,813 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 0 proven. 254 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:53,813 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2612762] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:53,813 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:31:53,813 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 35] total 64 [2021-07-14 19:31:53,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110916260] [2021-07-14 19:31:53,814 INFO L462 AbstractCegarLoop]: Interpolant automaton has 64 states [2021-07-14 19:31:53,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:31:53,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2021-07-14 19:31:53,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=430, Invalid=3602, Unknown=0, NotChecked=0, Total=4032 [2021-07-14 19:31:53,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:53,815 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:31:53,815 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 64 states, 64 states have (on average 2.078125) internal successors, (133), 64 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:31:53,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:53,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:53,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:53,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:31:53,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:31:53,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:31:53,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:31:53,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:31:53,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:31:53,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:31:53,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:31:53,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:31:53,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:31:53,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:31:53,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:58,001 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 106 [2021-07-14 19:31:58,369 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 108 [2021-07-14 19:31:58,553 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 107 [2021-07-14 19:31:58,787 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 117 [2021-07-14 19:31:58,979 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 120 [2021-07-14 19:31:59,240 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 119 [2021-07-14 19:31:59,443 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 118 [2021-07-14 19:31:59,656 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 130 [2021-07-14 19:31:59,893 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 128 [2021-07-14 19:32:00,163 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 125 [2021-07-14 19:32:00,402 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 128 [2021-07-14 19:32:01,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:32:01,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:32:01,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:32:01,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:32:01,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:32:01,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:32:01,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:32:01,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:01,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:32:01,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:32:01,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:32:01,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:32:01,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:32:01,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:01,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:32:01,741 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-14 19:32:01,741 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:32:01,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:32:01,741 INFO L82 PathProgramCache]: Analyzing trace with hash 460252149, now seen corresponding path program 16 times [2021-07-14 19:32:01,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:32:01,741 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954060952] [2021-07-14 19:32:01,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:32:01,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:32:02,106 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 78 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:32:02,106 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:32:02,106 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954060952] [2021-07-14 19:32:02,106 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954060952] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:32:02,106 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [132082371] [2021-07-14 19:32:02,106 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:32:02,145 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 19:32:02,145 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:32:02,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-14 19:32:02,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:32:02,859 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 78 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:32:02,860 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [132082371] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:32:02,860 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:32:02,860 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 61 [2021-07-14 19:32:02,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381892839] [2021-07-14 19:32:02,860 INFO L462 AbstractCegarLoop]: Interpolant automaton has 61 states [2021-07-14 19:32:02,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:32:02,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2021-07-14 19:32:02,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=680, Invalid=2980, Unknown=0, NotChecked=0, Total=3660 [2021-07-14 19:32:02,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:32:02,862 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:32:02,862 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 61 states, 61 states have (on average 2.2295081967213113) internal successors, (136), 61 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:32:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:32:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:32:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:32:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:32:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:32:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:32:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:32:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:32:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:32:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:32:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:32:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:32:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:32:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:32:03,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:32:03,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:32:03,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:32:03,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:32:03,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:32:03,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:32:03,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:32:03,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:03,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:32:03,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:32:03,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:32:03,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:32:03,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:32:03,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:03,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:32:03,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:32:03,494 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-07-14 19:32:03,495 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:32:03,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:32:03,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1070112937, now seen corresponding path program 17 times [2021-07-14 19:32:03,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:32:03,495 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886629823] [2021-07-14 19:32:03,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:32:03,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:32:05,758 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 57 proven. 281 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:32:05,758 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:32:05,759 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886629823] [2021-07-14 19:32:05,759 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886629823] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:32:05,759 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498442647] [2021-07-14 19:32:05,759 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:32:05,810 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2021-07-14 19:32:05,811 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:32:05,813 WARN L261 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 128 conjunts are in the unsatisfiable core [2021-07-14 19:32:05,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:32:08,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,227 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:32:08,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,235 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:32:08,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,250 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:32:08,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,266 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:32:08,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,274 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:32:08,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,278 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:32:08,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,281 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:32:08,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:08,282 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:32:08,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 23 select indices, 23 select index equivalence classes, 105 disjoint index pairs (out of 253 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 37 [2021-07-14 19:32:08,286 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 19:32:08,289 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:32:08,290 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 19:32:08,290 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:117, output treesize:3 [2021-07-14 19:32:08,325 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 338 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:32:08,325 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [498442647] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:32:08,325 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:32:08,325 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 36] total 69 [2021-07-14 19:32:08,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075690694] [2021-07-14 19:32:08,326 INFO L462 AbstractCegarLoop]: Interpolant automaton has 69 states [2021-07-14 19:32:08,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:32:08,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-07-14 19:32:08,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=379, Invalid=4313, Unknown=0, NotChecked=0, Total=4692 [2021-07-14 19:32:08,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:32:08,327 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:32:08,327 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 69 states, 69 states have (on average 2.1594202898550723) internal successors, (149), 69 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:32:08,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:32:08,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:32:08,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:32:08,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:32:08,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:32:08,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:32:08,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:32:08,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:08,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:32:08,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:32:08,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:32:08,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:32:08,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:32:08,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:08,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:32:08,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:32:08,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:32:15,528 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 121 [2021-07-14 19:32:15,756 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 108 [2021-07-14 19:32:16,004 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 119 [2021-07-14 19:32:16,356 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 129 [2021-07-14 19:32:16,589 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 132 [2021-07-14 19:32:16,923 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 131 [2021-07-14 19:32:17,235 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 140 [2021-07-14 19:32:17,611 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 138 [2021-07-14 19:32:17,926 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 140 [2021-07-14 19:32:19,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:32:19,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:32:19,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:32:19,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:32:19,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:32:19,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:32:19,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:32:19,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:19,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:32:19,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:32:19,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:32:19,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:32:19,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:32:19,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:19,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:32:19,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:32:19,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-07-14 19:32:19,877 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:32:19,878 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:32:19,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:32:19,878 INFO L82 PathProgramCache]: Analyzing trace with hash -26008399, now seen corresponding path program 18 times [2021-07-14 19:32:19,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:32:19,878 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087428246] [2021-07-14 19:32:19,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:32:19,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:32:20,292 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 104 proven. 297 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:32:20,292 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:32:20,292 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087428246] [2021-07-14 19:32:20,292 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087428246] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:32:20,292 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911531074] [2021-07-14 19:32:20,292 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:32:20,343 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2021-07-14 19:32:20,343 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:32:20,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 36 conjunts are in the unsatisfiable core [2021-07-14 19:32:20,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:32:21,196 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 104 proven. 297 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:32:21,196 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1911531074] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:32:21,196 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:32:21,196 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 69 [2021-07-14 19:32:21,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797657767] [2021-07-14 19:32:21,196 INFO L462 AbstractCegarLoop]: Interpolant automaton has 69 states [2021-07-14 19:32:21,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:32:21,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-07-14 19:32:21,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=870, Invalid=3822, Unknown=0, NotChecked=0, Total=4692 [2021-07-14 19:32:21,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:32:21,198 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:32:21,198 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 69 states, 69 states have (on average 2.2028985507246377) internal successors, (152), 69 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:32:21,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:32:21,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:32:21,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:32:21,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:32:21,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:32:21,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:32:21,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:32:21,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:21,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:32:21,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:32:21,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:32:21,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:32:21,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:32:21,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:21,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:32:21,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:32:21,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-07-14 19:32:21,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:32:21,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:32:21,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:32:21,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:32:21,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:32:21,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:32:21,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:32:21,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:32:21,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:21,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:32:21,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:32:21,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:32:21,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:32:21,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:32:21,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:21,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:32:21,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:32:21,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-07-14 19:32:21,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 19:32:21,859 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:32:21,859 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:32:21,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:32:21,860 INFO L82 PathProgramCache]: Analyzing trace with hash -20767213, now seen corresponding path program 19 times [2021-07-14 19:32:21,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:32:21,860 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14152494] [2021-07-14 19:32:21,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:32:21,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:32:24,250 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 78 proven. 356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:32:24,251 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:32:24,251 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14152494] [2021-07-14 19:32:24,251 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14152494] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:32:24,251 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [474887927] [2021-07-14 19:32:24,251 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:32:24,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:32:24,305 WARN L261 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 144 conjunts are in the unsatisfiable core [2021-07-14 19:32:24,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:32:27,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,307 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:32:27,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,318 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:32:27,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,323 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:32:27,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,348 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:32:27,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,351 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:32:27,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,356 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:32:27,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,359 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:32:27,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:27,367 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:32:27,367 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:32:27,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 26 select indices, 26 select index equivalence classes, 136 disjoint index pairs (out of 325 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 41 [2021-07-14 19:32:27,381 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 19:32:27,384 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:32:27,385 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 19:32:27,385 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:131, output treesize:3 [2021-07-14 19:32:27,423 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:32:27,423 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [474887927] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:32:27,424 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:32:27,424 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 40] total 77 [2021-07-14 19:32:27,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586441849] [2021-07-14 19:32:27,424 INFO L462 AbstractCegarLoop]: Interpolant automaton has 77 states [2021-07-14 19:32:27,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:32:27,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2021-07-14 19:32:27,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=466, Invalid=5386, Unknown=0, NotChecked=0, Total=5852 [2021-07-14 19:32:27,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:32:27,425 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:32:27,425 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 77 states, 77 states have (on average 2.142857142857143) internal successors, (165), 77 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:32:27,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:32:27,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:32:27,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:32:27,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:32:27,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:32:27,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:32:27,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:32:27,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:27,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:32:27,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:32:27,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:32:27,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:32:27,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:32:27,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:27,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:32:27,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:32:27,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-07-14 19:32:27,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 19:32:27,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:32:35,283 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 134 [2021-07-14 19:32:35,523 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 116 [2021-07-14 19:32:35,755 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 129 [2021-07-14 19:32:36,057 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 144 [2021-07-14 19:32:36,279 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2021-07-14 19:32:36,571 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 139 [2021-07-14 19:32:36,827 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 142 [2021-07-14 19:32:37,067 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 153 [2021-07-14 19:32:37,376 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 151 [2021-07-14 19:32:37,714 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 149 [2021-07-14 19:32:37,980 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 152 [2021-07-14 19:32:39,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:32:39,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:32:39,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:32:39,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:32:39,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:32:39,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:32:39,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:32:39,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:39,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:32:39,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:32:39,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:32:39,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:32:39,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:32:39,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:39,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:32:39,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:32:39,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-07-14 19:32:39,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 19:32:39,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2021-07-14 19:32:40,186 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-07-14 19:32:40,186 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:32:40,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:32:40,186 INFO L82 PathProgramCache]: Analyzing trace with hash 716841837, now seen corresponding path program 20 times [2021-07-14 19:32:40,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:32:40,186 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55421854] [2021-07-14 19:32:40,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:32:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:32:40,720 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 134 proven. 371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:32:40,720 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:32:40,721 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55421854] [2021-07-14 19:32:40,721 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55421854] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:32:40,721 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [955788459] [2021-07-14 19:32:40,721 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:32:40,763 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 19:32:40,764 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:32:40,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 40 conjunts are in the unsatisfiable core [2021-07-14 19:32:40,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:32:41,894 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 134 proven. 371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:32:41,895 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [955788459] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:32:41,895 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:32:41,895 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41] total 77 [2021-07-14 19:32:41,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557447101] [2021-07-14 19:32:41,895 INFO L462 AbstractCegarLoop]: Interpolant automaton has 77 states [2021-07-14 19:32:41,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:32:41,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2021-07-14 19:32:41,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1084, Invalid=4768, Unknown=0, NotChecked=0, Total=5852 [2021-07-14 19:32:41,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:32:41,897 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:32:41,897 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 77 states, 77 states have (on average 2.1818181818181817) internal successors, (168), 77 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:32:41,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:32:41,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:32:41,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:32:41,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:32:41,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:32:41,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:32:41,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:32:41,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:41,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:32:41,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:32:41,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:32:41,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:32:41,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:32:41,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:41,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:32:41,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:32:41,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-07-14 19:32:41,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 19:32:41,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2021-07-14 19:32:41,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:32:42,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:32:42,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:32:42,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:32:42,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:32:42,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:32:42,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:32:42,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:32:42,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:42,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:32:42,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:32:42,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:32:42,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:32:42,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:32:42,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:42,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:32:42,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:32:42,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-07-14 19:32:42,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 19:32:42,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2021-07-14 19:32:42,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 19:32:42,634 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-07-14 19:32:42,634 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:32:42,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:32:42,635 INFO L82 PathProgramCache]: Analyzing trace with hash -1103914289, now seen corresponding path program 21 times [2021-07-14 19:32:42,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:32:42,635 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653414172] [2021-07-14 19:32:42,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:32:42,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:32:45,863 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 103 proven. 439 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:32:45,863 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:32:45,863 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653414172] [2021-07-14 19:32:45,863 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653414172] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:32:45,863 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478733744] [2021-07-14 19:32:45,863 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 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:32:45,934 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) [2021-07-14 19:32:45,935 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:32:45,936 WARN L261 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 165 conjunts are in the unsatisfiable core [2021-07-14 19:32:45,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:32:48,635 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-07-14 19:32:50,848 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-07-14 19:32:51,356 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-07-14 19:32:52,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,291 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:32:52,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:52,351 INFO L244 Elim1Store]: Index analysis took 246 ms [2021-07-14 19:32:52,664 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-07-14 19:32:52,664 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:32:52,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 29 select indices, 29 select index equivalence classes, 333 disjoint index pairs (out of 406 index pairs), introduced 28 new quantified variables, introduced 45 case distinctions, treesize of input 155 treesize of output 565 [2021-07-14 19:32:53,213 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 1126 DAG size of output: 266 [2021-07-14 19:32:53,735 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 251 [2021-07-14 19:32:54,258 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 267 [2021-07-14 19:32:54,951 WARN L205 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 648 DAG size of output: 560 [2021-07-14 19:32:55,636 WARN L205 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 648 DAG size of output: 560 [2021-07-14 19:32:56,392 WARN L205 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 565 [2021-07-14 19:32:57,268 WARN L205 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 1393 DAG size of output: 408 [2021-07-14 19:32:57,984 WARN L205 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 1397 DAG size of output: 412 [2021-07-14 19:32:58,781 WARN L205 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 878 DAG size of output: 488 [2021-07-14 19:32:59,594 WARN L205 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 884 DAG size of output: 498 [2021-07-14 19:32:59,949 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 470 [2021-07-14 19:33:00,375 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 875 DAG size of output: 442 [2021-07-14 19:33:00,688 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 877 DAG size of output: 446 [2021-07-14 19:33:01,004 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 491 DAG size of output: 409 [2021-07-14 19:33:01,325 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 494 DAG size of output: 412 [2021-07-14 19:33:01,533 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 236 [2021-07-14 19:33:01,642 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: and 4 xjuncts. [2021-07-14 19:33:01,681 INFO L628 ElimStorePlain]: treesize reduction 46, result has 60.7 percent of original size [2021-07-14 19:33:01,688 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 19:33:01,688 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:177, output treesize:65 [2021-07-14 19:33:01,912 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 0 proven. 542 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:33:01,913 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [478733744] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:33:01,913 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:33:01,913 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 48] total 89 [2021-07-14 19:33:01,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85686225] [2021-07-14 19:33:01,913 INFO L462 AbstractCegarLoop]: Interpolant automaton has 89 states [2021-07-14 19:33:01,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:33:01,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2021-07-14 19:33:01,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=458, Invalid=7374, Unknown=0, NotChecked=0, Total=7832 [2021-07-14 19:33:01,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:33:01,915 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:33:01,915 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 89 states, 89 states have (on average 2.033707865168539) internal successors, (181), 89 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:33:01,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:33:01,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:33:01,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:33:01,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:33:01,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:33:01,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:33:01,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:33:01,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:33:01,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:33:01,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:33:01,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:33:01,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:33:01,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:33:01,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:33:01,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:33:01,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:33:01,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-07-14 19:33:01,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 19:33:01,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2021-07-14 19:33:01,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 19:33:01,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:33:09,274 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 152 [2021-07-14 19:33:09,845 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 101 [2021-07-14 19:33:10,287 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 146 [2021-07-14 19:33:11,028 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 152 [2021-07-14 19:33:11,340 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 103 [2021-07-14 19:33:12,116 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 146 [2021-07-14 19:33:12,807 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 152 [2021-07-14 19:33:13,098 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 108 [2021-07-14 19:33:13,580 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 146 [2021-07-14 19:33:13,879 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 106 [2021-07-14 19:33:14,299 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 152 [2021-07-14 19:33:14,601 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 117 [2021-07-14 19:33:15,136 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 152 [2021-07-14 19:33:15,453 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 115 [2021-07-14 19:33:15,892 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 157 [2021-07-14 19:33:16,203 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 124 [2021-07-14 19:33:16,711 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 157 [2021-07-14 19:33:17,016 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 122 [2021-07-14 19:33:17,430 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 160 [2021-07-14 19:33:17,723 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 131 [2021-07-14 19:33:18,187 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 133 [2021-07-14 19:33:18,510 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 130 [2021-07-14 19:33:18,933 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 139 [2021-07-14 19:33:19,233 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 140 [2021-07-14 19:33:19,676 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 141 [2021-07-14 19:33:19,999 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 139 [2021-07-14 19:33:20,411 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 148 [2021-07-14 19:33:21,129 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 150 [2021-07-14 19:33:21,649 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 195 [2021-07-14 19:33:22,048 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 154 [2021-07-14 19:33:22,553 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 194 [2021-07-14 19:33:23,289 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 156 [2021-07-14 19:33:23,936 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 202 [2021-07-14 19:33:24,262 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 156 [2021-07-14 19:33:24,678 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 155 [2021-07-14 19:33:25,002 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 164 [2021-07-14 19:33:25,432 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 162 [2021-07-14 19:33:25,762 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 164 [2021-07-14 19:33:28,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:33:28,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:33:28,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:33:28,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:33:28,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:33:28,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:33:28,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:33:28,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:33:28,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:33:28,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:33:28,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:33:28,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:33:28,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:33:28,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:33:28,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:33:28,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:33:28,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-07-14 19:33:28,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 19:33:28,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2021-07-14 19:33:28,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 19:33:28,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-07-14 19:33:29,033 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:33:29,033 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:33:29,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:33:29,034 INFO L82 PathProgramCache]: Analyzing trace with hash -1317478359, now seen corresponding path program 22 times [2021-07-14 19:33:29,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:33:29,034 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754138150] [2021-07-14 19:33:29,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:33:29,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:33:29,667 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 168 proven. 453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:33:29,668 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:33:29,668 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754138150] [2021-07-14 19:33:29,668 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754138150] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:33:29,668 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833075973] [2021-07-14 19:33:29,668 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 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:33:29,713 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 19:33:29,713 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:33:29,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 44 conjunts are in the unsatisfiable core [2021-07-14 19:33:29,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:33:30,984 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 168 proven. 453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:33:30,985 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [833075973] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:33:30,985 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:33:30,985 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45] total 85 [2021-07-14 19:33:30,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952286583] [2021-07-14 19:33:30,985 INFO L462 AbstractCegarLoop]: Interpolant automaton has 85 states [2021-07-14 19:33:30,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:33:30,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2021-07-14 19:33:30,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1322, Invalid=5818, Unknown=0, NotChecked=0, Total=7140 [2021-07-14 19:33:30,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:33:30,987 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:33:30,987 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 85 states, 85 states have (on average 2.164705882352941) internal successors, (184), 85 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:33:30,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:33:30,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:33:30,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:33:30,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:33:30,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:33:30,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:33:30,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:33:30,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:33:30,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:33:30,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:33:30,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:33:30,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:33:30,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:33:30,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:33:30,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:33:30,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:33:30,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-07-14 19:33:30,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 19:33:30,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2021-07-14 19:33:30,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 19:33:30,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2021-07-14 19:33:30,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:33:31,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:33:31,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:33:31,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:33:31,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:33:31,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:33:31,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:33:31,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:33:31,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:33:31,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:33:31,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:33:31,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:33:31,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:33:31,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:33:31,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:33:31,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:33:31,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:33:31,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-07-14 19:33:31,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 19:33:31,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2021-07-14 19:33:31,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 19:33:31,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-07-14 19:33:31,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 19:33:31,841 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable880,24 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:33:31,841 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:33:31,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:33:31,841 INFO L82 PathProgramCache]: Analyzing trace with hash 1304286603, now seen corresponding path program 23 times [2021-07-14 19:33:31,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:33:31,841 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228229227] [2021-07-14 19:33:31,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:33:31,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:33:35,712 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 124 proven. 538 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:33:35,713 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:33:35,713 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228229227] [2021-07-14 19:33:35,713 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228229227] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:33:35,713 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733647274] [2021-07-14 19:33:35,713 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 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:33:35,784 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) [2021-07-14 19:33:35,784 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:33:35,787 WARN L261 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 175 conjunts are in the unsatisfiable core [2021-07-14 19:33:35,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:33:43,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,524 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:33:43,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,527 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:33:43,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,549 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:33:43,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,596 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:33:43,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,615 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:33:43,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,626 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:33:43,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,628 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:33:43,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,645 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:33:43,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,653 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:33:43,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,662 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:33:43,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,670 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:33:43,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:43,672 INFO L244 Elim1Store]: Index analysis took 167 ms [2021-07-14 19:33:43,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 32 select indices, 32 select index equivalence classes, 210 disjoint index pairs (out of 496 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 49 [2021-07-14 19:33:43,674 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 19:33:43,679 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:33:43,680 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 19:33:43,680 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:184, output treesize:3 [2021-07-14 19:33:43,726 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 0 proven. 662 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:33:43,726 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1733647274] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:33:43,726 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:33:43,726 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49] total 94 [2021-07-14 19:33:43,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807527843] [2021-07-14 19:33:43,727 INFO L462 AbstractCegarLoop]: Interpolant automaton has 94 states [2021-07-14 19:33:43,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:33:43,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2021-07-14 19:33:43,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=473, Invalid=8269, Unknown=0, NotChecked=0, Total=8742 [2021-07-14 19:33:43,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:33:43,728 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:33:43,728 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 94 states, 94 states have (on average 2.095744680851064) internal successors, (197), 94 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:33:43,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:33:43,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:33:43,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:33:43,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:33:43,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:33:43,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:33:43,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:33:43,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:33:43,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:33:43,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:33:43,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:33:43,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:33:43,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:33:43,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:33:43,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:33:43,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:33:43,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-07-14 19:33:43,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 19:33:43,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2021-07-14 19:33:43,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 19:33:43,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2021-07-14 19:33:43,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 19:33:43,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:33:58,769 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 102 [2021-07-14 19:34:01,719 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 106 [2021-07-14 19:34:04,377 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 106 [2021-07-14 19:34:04,884 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 108 [2021-07-14 19:34:06,898 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 108 [2021-07-14 19:34:08,090 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 110 [2021-07-14 19:34:08,862 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 104 [2021-07-14 19:34:09,326 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 110 [2021-07-14 19:34:10,232 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 112 [2021-07-14 19:34:11,293 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 117 [2021-07-14 19:34:12,303 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 111 [2021-07-14 19:34:13,214 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 121 [2021-07-14 19:34:14,046 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 119 [2021-07-14 19:34:14,829 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 119 [2021-07-14 19:34:15,406 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 126 [2021-07-14 19:34:15,873 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 131 [2021-07-14 19:34:16,649 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 128 [2021-07-14 19:34:17,121 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 129 [2021-07-14 19:34:17,816 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 127 [2021-07-14 19:34:18,232 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 138 [2021-07-14 19:34:19,035 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 129 [2021-07-14 19:34:19,806 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 136 [2021-07-14 19:34:20,303 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 134 [2021-07-14 19:34:20,765 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 146 [2021-07-14 19:34:22,386 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 148 [2021-07-14 19:34:22,952 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 146 [2021-07-14 19:34:23,592 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 155 [2021-07-14 19:34:24,126 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 104 [2021-07-14 19:34:25,139 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 158 [2021-07-14 19:34:25,638 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 154 [2021-07-14 19:34:26,261 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 116 [2021-07-14 19:34:26,789 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 106 [2021-07-14 19:34:28,229 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 167 [2021-07-14 19:34:28,902 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 212 [2021-07-14 19:34:29,713 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 172 [2021-07-14 19:34:30,869 WARN L205 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 210 [2021-07-14 19:34:31,954 WARN L205 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 170 [2021-07-14 19:34:32,823 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 219 [2021-07-14 19:34:33,280 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 166 [2021-07-14 19:34:33,880 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 165 [2021-07-14 19:34:34,277 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 176 [2021-07-14 19:34:34,710 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 172 [2021-07-14 19:34:35,066 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 174 [2021-07-14 19:34:39,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:34:39,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:34:39,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:34:39,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:34:39,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:34:39,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:34:39,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:34:39,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:34:39,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:34:39,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:34:39,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:34:39,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:34:39,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:34:39,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:34:39,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:34:39,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:34:39,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-07-14 19:34:39,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 19:34:39,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2021-07-14 19:34:39,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 19:34:39,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-07-14 19:34:39,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 19:34:39,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2021-07-14 19:34:39,756 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable881,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:34:39,756 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:34:39,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:34:39,757 INFO L82 PathProgramCache]: Analyzing trace with hash -43754779, now seen corresponding path program 24 times [2021-07-14 19:34:39,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:34:39,757 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732457221] [2021-07-14 19:34:39,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:34:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:34:40,521 INFO L134 CoverageAnalysis]: Checked inductivity of 749 backedges. 206 proven. 543 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:34:40,521 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:34:40,521 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732457221] [2021-07-14 19:34:40,521 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732457221] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:34:40,521 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899531421] [2021-07-14 19:34:40,521 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:34:40,588 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 23 check-sat command(s) [2021-07-14 19:34:40,588 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:34:40,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 48 conjunts are in the unsatisfiable core [2021-07-14 19:34:40,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:34:42,120 INFO L134 CoverageAnalysis]: Checked inductivity of 749 backedges. 206 proven. 543 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:34:42,120 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [899531421] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:34:42,120 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:34:42,120 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49] total 93 [2021-07-14 19:34:42,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835444720] [2021-07-14 19:34:42,121 INFO L462 AbstractCegarLoop]: Interpolant automaton has 93 states [2021-07-14 19:34:42,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:34:42,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2021-07-14 19:34:42,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1584, Invalid=6972, Unknown=0, NotChecked=0, Total=8556 [2021-07-14 19:34:42,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:34:42,122 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:34:42,122 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 93 states, 93 states have (on average 2.150537634408602) internal successors, (200), 93 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:34:42,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:34:42,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:34:42,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:34:42,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:34:42,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:34:42,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:34:42,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:34:42,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:34:42,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:34:42,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:34:42,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:34:42,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:34:42,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:34:42,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:34:42,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:34:42,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:34:42,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-07-14 19:34:42,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 19:34:42,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2021-07-14 19:34:42,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 19:34:42,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2021-07-14 19:34:42,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 19:34:42,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2021-07-14 19:34:42,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:34:42,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:34:42,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:34:42,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:34:42,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:34:42,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:34:42,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:34:42,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:34:42,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:34:42,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:34:42,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:34:42,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:34:42,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:34:42,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:34:42,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:34:42,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:34:42,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:34:42,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-07-14 19:34:42,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 19:34:42,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2021-07-14 19:34:42,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 19:34:42,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-07-14 19:34:42,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 19:34:42,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2021-07-14 19:34:42,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 19:34:43,084 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable882 [2021-07-14 19:34:43,085 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:34:43,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:34:43,085 INFO L82 PathProgramCache]: Analyzing trace with hash 1444335175, now seen corresponding path program 25 times [2021-07-14 19:34:43,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:34:43,085 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651612885] [2021-07-14 19:34:43,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:34:43,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:34:47,893 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 165 proven. 629 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:34:47,893 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:34:47,893 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651612885] [2021-07-14 19:34:47,893 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651612885] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:34:47,893 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196159591] [2021-07-14 19:34:47,893 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:34:47,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:34:47,951 WARN L261 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 192 conjunts are in the unsatisfiable core [2021-07-14 19:34:47,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:34:54,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,522 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:34:54,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,566 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:34:54,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,578 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:34:54,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,601 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:34:54,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,604 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:34:54,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,609 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:34:54,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,633 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:34:54,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,647 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:34:54,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,649 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:34:54,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,654 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:34:54,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,659 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:34:54,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:54,664 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:34:54,664 INFO L244 Elim1Store]: Index analysis took 160 ms [2021-07-14 19:34:54,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 35 select indices, 35 select index equivalence classes, 253 disjoint index pairs (out of 595 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 53 [2021-07-14 19:34:54,666 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 19:34:54,670 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:34:54,670 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 19:34:54,670 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:173, output treesize:3 [2021-07-14 19:34:54,721 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 0 proven. 794 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:34:54,721 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1196159591] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:34:54,721 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:34:54,722 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 52] total 101 [2021-07-14 19:34:54,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737477103] [2021-07-14 19:34:54,722 INFO L462 AbstractCegarLoop]: Interpolant automaton has 101 states [2021-07-14 19:34:54,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:34:54,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2021-07-14 19:34:54,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=787, Invalid=9313, Unknown=0, NotChecked=0, Total=10100 [2021-07-14 19:34:54,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:34:54,723 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:34:54,723 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 101 states, 101 states have (on average 2.108910891089109) internal successors, (213), 101 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:34:54,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:34:54,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:34:54,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:34:54,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:34:54,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:34:54,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:34:54,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:34:54,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:34:54,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:34:54,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:34:54,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:34:54,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:34:54,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:34:54,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:34:54,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:34:54,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:34:54,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-07-14 19:34:54,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 19:34:54,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2021-07-14 19:34:54,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 19:34:54,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2021-07-14 19:34:54,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 19:34:54,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2021-07-14 19:34:54,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 19:34:54,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:35:12,171 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 170 [2021-07-14 19:35:12,502 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 146 [2021-07-14 19:35:12,962 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 165 [2021-07-14 19:35:13,491 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 180 [2021-07-14 19:35:13,820 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 181 [2021-07-14 19:35:14,306 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 175 [2021-07-14 19:35:14,693 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 179 [2021-07-14 19:35:15,011 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 190 [2021-07-14 19:35:15,450 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 188 [2021-07-14 19:35:15,925 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 186 [2021-07-14 19:35:16,301 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2021-07-14 19:35:20,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:35:20,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:35:20,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:35:20,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:35:20,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:35:20,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:35:20,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:35:20,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:35:20,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:35:20,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:35:20,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:35:20,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:35:20,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:35:20,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:35:20,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:35:20,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:35:20,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-07-14 19:35:20,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 19:35:20,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2021-07-14 19:35:20,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 19:35:20,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-07-14 19:35:20,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 19:35:20,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2021-07-14 19:35:20,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 19:35:20,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2021-07-14 19:35:20,275 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable883 [2021-07-14 19:35:20,275 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:35:20,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:35:20,275 INFO L82 PathProgramCache]: Analyzing trace with hash 313627553, now seen corresponding path program 26 times [2021-07-14 19:35:20,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:35:20,275 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263728923] [2021-07-14 19:35:20,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:35:20,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:35:21,154 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 248 proven. 641 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:35:21,154 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:35:21,154 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263728923] [2021-07-14 19:35:21,154 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263728923] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:35:21,154 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157086380] [2021-07-14 19:35:21,154 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 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:35:21,202 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 19:35:21,202 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:35:21,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 52 conjunts are in the unsatisfiable core [2021-07-14 19:35:21,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:35:23,035 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 248 proven. 641 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:35:23,035 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [157086380] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:35:23,035 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:35:23,035 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 53] total 101 [2021-07-14 19:35:23,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205611710] [2021-07-14 19:35:23,036 INFO L462 AbstractCegarLoop]: Interpolant automaton has 101 states [2021-07-14 19:35:23,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:35:23,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2021-07-14 19:35:23,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1870, Invalid=8230, Unknown=0, NotChecked=0, Total=10100 [2021-07-14 19:35:23,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:35:23,038 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:35:23,038 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 101 states, 101 states have (on average 2.1386138613861387) internal successors, (216), 101 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:35:23,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:35:23,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:35:23,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:35:23,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:35:23,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:35:23,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:35:23,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:35:23,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:35:23,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:35:23,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:35:23,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:35:23,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:35:23,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:35:23,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:35:23,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:35:23,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:35:23,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-07-14 19:35:23,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 19:35:23,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2021-07-14 19:35:23,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 19:35:23,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2021-07-14 19:35:23,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 19:35:23,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2021-07-14 19:35:23,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 19:35:23,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2021-07-14 19:35:23,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:35:24,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:35:24,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:35:24,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:35:24,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:35:24,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:35:24,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:35:24,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:35:24,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:35:24,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:35:24,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:35:24,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:35:24,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:35:24,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:35:24,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:35:24,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:35:24,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:35:24,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-07-14 19:35:24,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 19:35:24,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2021-07-14 19:35:24,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 19:35:24,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-07-14 19:35:24,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 19:35:24,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2021-07-14 19:35:24,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 19:35:24,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2021-07-14 19:35:24,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 19:35:24,246 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable884 [2021-07-14 19:35:24,246 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:35:24,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:35:24,247 INFO L82 PathProgramCache]: Analyzing trace with hash 427001091, now seen corresponding path program 27 times [2021-07-14 19:35:24,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:35:24,247 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149803320] [2021-07-14 19:35:24,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:35:24,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:35:30,198 INFO L134 CoverageAnalysis]: Checked inductivity of 938 backedges. 186 proven. 752 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:35:30,198 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:35:30,198 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149803320] [2021-07-14 19:35:30,198 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149803320] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:35:30,198 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296274126] [2021-07-14 19:35:30,198 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 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:35:30,311 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 26 check-sat command(s) [2021-07-14 19:35:30,312 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:35:30,315 WARN L261 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 210 conjunts are in the unsatisfiable core [2021-07-14 19:35:30,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:35:42,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,809 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:35:42,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:42,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:43,187 INFO L244 Elim1Store]: Index analysis took 388 ms [2021-07-14 19:36:04,485 WARN L205 SmtUtils]: Spent 21.29 s on a formula simplification that was a NOOP. DAG size: 1646 [2021-07-14 19:36:04,486 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:36:04,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 38 select indices, 38 select index equivalence classes, 276 disjoint index pairs (out of 703 index pairs), introduced 37 new quantified variables, introduced 414 case distinctions, treesize of input 201 treesize of output 4035 [2021-07-14 19:36:04,661 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 1653 DAG size of output: 1139 [2021-07-14 19:36:06,139 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1896 DAG size of output: 1528 [2021-07-14 19:36:07,849 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 1933 DAG size of output: 1566 [2021-07-14 19:36:38,824 WARN L205 SmtUtils]: Spent 30.07 s on a formula simplification. DAG size of input: 15499 DAG size of output: 9175 [2021-07-14 19:37:13,800 WARN L205 SmtUtils]: Spent 32.42 s on a formula simplification. DAG size of input: 15540 DAG size of output: 9217 [2021-07-14 19:44:35,470 WARN L205 SmtUtils]: Spent 7.15 m on a formula simplification. DAG size of input: 135206 DAG size of output: 68569 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown