/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-NewStatesSleep-NoLbe-Random42.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 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 01:01:40,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 01:01:40,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 01:01:40,619 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-17 01:01:40,677 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-NewStatesSleep-NoLbe-Random42.epf [2021-06-17 01:01:40,706 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 01:01:40,707 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 01:01:40,707 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 01:01:40,707 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 01:01:40,709 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 01:01:40,710 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 01:01:40,710 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 01:01:40,710 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 01:01:40,710 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 01:01:40,711 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 01:01:40,711 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 01:01:40,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 01:01:40,712 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 01:01:40,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 01:01:40,712 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 01:01:40,712 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 01:01:40,712 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 01:01:40,712 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 01:01:40,712 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 01:01:40,713 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 01:01:40,713 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 01:01:40,713 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 01:01:40,713 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 01:01:40,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 01:01:40,713 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 01:01:40,713 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 01:01:40,713 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 01:01:40,714 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 01:01:40,714 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-17 01:01:40,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 01:01:40,714 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 01:01:40,714 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 01:01:40,714 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 01:01:40,714 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-17 01:01:40,715 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-17 01:01:40,715 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 01:01:40,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 01:01:40,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 01:01:40,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 01:01:40,983 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-17 01:01:40,985 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-17 01:01:40,985 INFO L432 ainManager$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 [2021-06-17 01:01:40,986 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' [2021-06-17 01:01:41,007 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 01:01:41,008 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-17 01:01:41,009 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 01:01:41,009 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 01:01:41,009 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 01:01:41,018 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 17.06 01:01:41" (1/1) ... [2021-06-17 01:01:41,025 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 17.06 01:01:41" (1/1) ... [2021-06-17 01:01:41,030 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 01:01:41,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 01:01:41,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 01:01:41,031 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 01:01:41,036 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 17.06 01:01:41" (1/1) ... [2021-06-17 01:01:41,037 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 17.06 01:01:41" (1/1) ... [2021-06-17 01:01:41,038 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 17.06 01:01:41" (1/1) ... [2021-06-17 01:01:41,038 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 17.06 01:01:41" (1/1) ... [2021-06-17 01:01:41,041 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 17.06 01:01:41" (1/1) ... [2021-06-17 01:01:41,046 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 17.06 01:01:41" (1/1) ... [2021-06-17 01:01:41,046 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 17.06 01:01:41" (1/1) ... [2021-06-17 01:01:41,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 01:01:41,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 01:01:41,049 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 01:01:41,049 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 01:01:41,050 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:01:41" (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 [2021-06-17 01:01:41,108 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-17 01:01:41,109 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-17 01:01:41,109 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-17 01:01:41,109 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-17 01:01:41,109 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-17 01:01:41,109 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-17 01:01:41,109 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-17 01:01:41,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 01:01:41,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 01:01:41,111 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-17 01:01:41,111 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-17 01:01:41,111 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-17 01:01:41,112 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-17 01:01:41,285 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 01:01:41,295 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-17 01:01:41,296 INFO L202 PluginConnector]: Adding new model sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 01:01:41 BoogieIcfgContainer [2021-06-17 01:01:41,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 01:01:41,297 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 01:01:41,297 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 01:01:41,299 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 01:01:41,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:01:41" (1/2) ... [2021-06-17 01:01:41,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34d3124d and model type sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 01:01:41, skipping insertion in model container [2021-06-17 01:01:41,300 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 17.06 01:01:41" (2/2) ... [2021-06-17 01:01:41,301 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-fun-alt.wvr.bpl [2021-06-17 01:01:41,305 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 01:01:41,305 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 01:01:41,305 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 01:01:41,306 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 01:01:41,342 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-17 01:01:41,357 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 [2021-06-17 01:01:41,389 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 01:01:41,389 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 01:01:41,390 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 01:01:41,390 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 01:01:41,390 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 01:01:41,390 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 01:01:41,390 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 01:01:41,390 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 01:01:41,449 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 01:01:41,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 01:01:41,460 INFO L82 PathProgramCache]: Analyzing trace with hash -2097392969, now seen corresponding path program 1 times [2021-06-17 01:01:41,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 01:01:41,467 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187319686] [2021-06-17 01:01:41,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 01:01:41,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 01:01:41,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 01:01:41,584 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 01:01:41,584 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187319686] [2021-06-17 01:01:41,584 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187319686] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 01:01:41,585 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 01:01:41,585 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-17 01:01:41,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430410648] [2021-06-17 01:01:41,588 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-17 01:01:41,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 01:01:41,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-17 01:01:41,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-17 01:01:41,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:01:41,598 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 01:01:41,600 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 01:01:41,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:01:41,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:01:41,656 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 01:01:41,656 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 01:01:41,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 01:01:41,657 INFO L82 PathProgramCache]: Analyzing trace with hash -680271139, now seen corresponding path program 1 times [2021-06-17 01:01:41,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 01:01:41,657 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171519852] [2021-06-17 01:01:41,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 01:01:41,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 01:01:41,954 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 01:01:41,955 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 01:01:41,955 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171519852] [2021-06-17 01:01:41,955 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171519852] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:01:41,955 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [949123653] [2021-06-17 01:01:41,955 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 [2021-06-17 01:01:42,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 01:01:42,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-17 01:01:42,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 01:01:42,259 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 01:01:42,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-17 01:01:42,264 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 01:01:42,268 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 01:01:42,271 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 01:01:42,271 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:3 [2021-06-17 01:01:42,294 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 01:01:42,295 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [949123653] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:01:42,295 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 01:01:42,295 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-17 01:01:42,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499092825] [2021-06-17 01:01:42,296 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-17 01:01:42,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 01:01:42,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-17 01:01:42,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-06-17 01:01:42,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:01:42,297 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 01:01:42,297 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 11 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 01:01:42,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:01:42,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:01:42,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:01:42,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:01:42,645 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 01:01:42,645 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 01:01:42,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 01:01:42,646 INFO L82 PathProgramCache]: Analyzing trace with hash -1091492933, now seen corresponding path program 1 times [2021-06-17 01:01:42,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 01:01:42,646 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315891535] [2021-06-17 01:01:42,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 01:01:42,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 01:01:42,688 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 01:01:42,688 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 01:01:42,688 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315891535] [2021-06-17 01:01:42,688 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315891535] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:01:42,689 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [693564436] [2021-06-17 01:01:42,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 01:01:42,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 01:01:42,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-17 01:01:42,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 01:01:42,828 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 01:01:42,829 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [693564436] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:01:42,829 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 01:01:42,829 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-06-17 01:01:42,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457102146] [2021-06-17 01:01:42,829 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-17 01:01:42,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 01:01:42,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-17 01:01:42,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-17 01:01:42,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:01:42,830 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 01:01:42,830 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 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) [2021-06-17 01:01:42,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:01:42,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:01:42,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:01:42,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:01:42,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:01:42,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 01:01:43,092 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 01:01:43,094 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 01:01:43,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 01:01:43,094 INFO L82 PathProgramCache]: Analyzing trace with hash -1831110405, now seen corresponding path program 2 times [2021-06-17 01:01:43,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 01:01:43,094 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598839278] [2021-06-17 01:01:43,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 01:01:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 01:01:43,147 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 01:01:43,147 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 01:01:43,147 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598839278] [2021-06-17 01:01:43,147 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598839278] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:01:43,148 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [167248990] [2021-06-17 01:01:43,148 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 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 [2021-06-17 01:01:43,194 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 01:01:43,194 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 01:01:43,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-17 01:01:43,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 01:01:43,311 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 01:01:43,311 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [167248990] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:01:43,311 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 01:01:43,311 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-06-17 01:01:43,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982031422] [2021-06-17 01:01:43,312 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-17 01:01:43,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 01:01:43,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-17 01:01:43,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-06-17 01:01:43,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:01:43,313 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 01:01:43,313 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 12 states have internal predecessors, (40), 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) [2021-06-17 01:01:43,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:01:43,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:01:43,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 01:01:43,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:01:43,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:01:43,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:01:43,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:01:43,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 01:01:43,739 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 01:01:43,739 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 01:01:43,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 01:01:43,739 INFO L82 PathProgramCache]: Analyzing trace with hash 2027517141, now seen corresponding path program 2 times [2021-06-17 01:01:43,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 01:01:43,740 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887037078] [2021-06-17 01:01:43,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 01:01:43,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 01:01:44,066 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 01:01:44,067 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 01:01:44,067 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887037078] [2021-06-17 01:01:44,067 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887037078] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:01:44,067 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408301107] [2021-06-17 01:01:44,067 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 01:01:44,104 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 01:01:44,104 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 01:01:44,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-17 01:01:44,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 01:01:44,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:44,328 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 01:01:44,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-06-17 01:01:44,330 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 01:01:44,334 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 01:01:44,336 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 01:01:44,336 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:3 [2021-06-17 01:01:44,365 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 01:01:44,365 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408301107] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:01:44,365 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 01:01:44,365 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 17 [2021-06-17 01:01:44,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625131061] [2021-06-17 01:01:44,365 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-17 01:01:44,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 01:01:44,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-17 01:01:44,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2021-06-17 01:01:44,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:01:44,366 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 01:01:44,367 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 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) [2021-06-17 01:01:44,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:01:44,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:01:44,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:01:44,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 01:01:44,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:01:44,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:01:44,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:01:44,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:01:44,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 01:01:44,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 01:01:44,995 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 01:01:44,996 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 01:01:44,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 01:01:44,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1898212595, now seen corresponding path program 3 times [2021-06-17 01:01:44,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 01:01:44,996 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928457328] [2021-06-17 01:01:44,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 01:01:45,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 01:01:45,062 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 01:01:45,062 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 01:01:45,062 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928457328] [2021-06-17 01:01:45,062 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928457328] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:01:45,062 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1311814472] [2021-06-17 01:01:45,062 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 01:01:45,089 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-17 01:01:45,089 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 01:01:45,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-17 01:01:45,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 01:01:45,183 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 01:01:45,184 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1311814472] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:01:45,184 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 01:01:45,184 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2021-06-17 01:01:45,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866300539] [2021-06-17 01:01:45,185 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-17 01:01:45,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 01:01:45,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-17 01:01:45,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-06-17 01:01:45,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:01:45,186 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 01:01:45,186 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 01:01:45,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:01:45,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:01:45,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:01:45,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 01:01:45,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 01:01:45,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:01:45,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:01:45,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:01:45,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:01:45,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 01:01:45,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:01:45,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:01:45,625 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 01:01:45,625 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 01:01:45,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 01:01:45,626 INFO L82 PathProgramCache]: Analyzing trace with hash -390772019, now seen corresponding path program 4 times [2021-06-17 01:01:45,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 01:01:45,626 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058673268] [2021-06-17 01:01:45,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 01:01:45,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 01:01:45,939 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 01:01:45,939 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 01:01:45,939 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058673268] [2021-06-17 01:01:45,939 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058673268] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:01:45,939 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1326887699] [2021-06-17 01:01:45,939 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 01:01:45,968 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 01:01:45,969 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 01:01:45,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-17 01:01:45,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 01:01:46,272 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 01:01:46,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:46,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:46,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2021-06-17 01:01:46,275 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 01:01:46,279 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 01:01:46,281 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 01:01:46,281 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:3 [2021-06-17 01:01:46,301 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 01:01:46,302 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1326887699] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:01:46,302 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 01:01:46,302 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 21 [2021-06-17 01:01:46,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116517956] [2021-06-17 01:01:46,302 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-17 01:01:46,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 01:01:46,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-17 01:01:46,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=347, Unknown=0, NotChecked=0, Total=420 [2021-06-17 01:01:46,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:01:46,304 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 01:01:46,304 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.4285714285714284) internal successors, (51), 21 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 01:01:46,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:01:46,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:01:46,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:01:46,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 01:01:46,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:01:46,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:01:46,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:01:47,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:01:47,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:01:47,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:01:47,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 01:01:47,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:01:47,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:01:47,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 01:01:47,340 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 01:01:47,341 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 01:01:47,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 01:01:47,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1169857339, now seen corresponding path program 5 times [2021-06-17 01:01:47,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 01:01:47,341 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700294107] [2021-06-17 01:01:47,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 01:01:47,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 01:01:47,731 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 01:01:47,731 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 01:01:47,731 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700294107] [2021-06-17 01:01:47,731 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700294107] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:01:47,731 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1704063498] [2021-06-17 01:01:47,732 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 01:01:47,793 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-17 01:01:47,793 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 01:01:47,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 40 conjunts are in the unsatisfiable core [2021-06-17 01:01:47,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 01:01:48,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:48,135 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 01:01:48,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-06-17 01:01:48,136 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 01:01:48,140 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 01:01:48,141 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 01:01:48,141 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:37, output treesize:3 [2021-06-17 01:01:48,162 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 01:01:48,163 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1704063498] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:01:48,163 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 01:01:48,163 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 26 [2021-06-17 01:01:48,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561130040] [2021-06-17 01:01:48,163 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-17 01:01:48,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 01:01:48,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-17 01:01:48,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=569, Unknown=0, NotChecked=0, Total=650 [2021-06-17 01:01:48,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:01:48,164 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 01:01:48,164 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 2.3461538461538463) internal successors, (61), 26 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) [2021-06-17 01:01:48,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:01:48,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:01:48,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:01:48,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 01:01:48,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:01:48,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:01:48,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 01:01:48,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:01:50,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:01:50,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:01:50,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:01:50,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 01:01:50,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:01:50,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:01:50,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 01:01:50,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 01:01:50,700 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-06-17 01:01:50,701 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 01:01:50,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 01:01:50,701 INFO L82 PathProgramCache]: Analyzing trace with hash 550306547, now seen corresponding path program 1 times [2021-06-17 01:01:50,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 01:01:50,701 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618137869] [2021-06-17 01:01:50,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 01:01:50,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 01:01:50,723 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-06-17 01:01:50,723 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 01:01:50,723 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618137869] [2021-06-17 01:01:50,723 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618137869] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 01:01:50,723 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 01:01:50,723 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-17 01:01:50,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642644913] [2021-06-17 01:01:50,724 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-17 01:01:50,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 01:01:50,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-17 01:01:50,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-17 01:01:50,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:01:50,724 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 01:01:50,724 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 01:01:50,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:01:50,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:01:50,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:01:50,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 01:01:50,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:01:50,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:01:50,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 01:01:50,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 01:01:50,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:01:50,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:01:50,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:01:50,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:01:50,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 01:01:50,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:01:50,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:01:50,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 01:01:50,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 01:01:50,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 01:01:50,850 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-17 01:01:50,850 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 01:01:50,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 01:01:50,851 INFO L82 PathProgramCache]: Analyzing trace with hash 412830381, now seen corresponding path program 6 times [2021-06-17 01:01:50,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 01:01:50,851 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088616783] [2021-06-17 01:01:50,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 01:01:50,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 01:01:51,284 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-06-17 01:01:51,285 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 01:01:51,285 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088616783] [2021-06-17 01:01:51,285 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088616783] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:01:51,285 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [190569885] [2021-06-17 01:01:51,285 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 01:01:51,336 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-06-17 01:01:51,337 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 01:01:51,338 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 69 conjunts are in the unsatisfiable core [2021-06-17 01:01:51,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 01:01:52,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:52,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:52,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:52,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:52,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:52,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:52,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:52,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:52,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:52,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:52,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:52,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:52,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:52,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:52,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:52,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:52,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:52,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:52,112 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 01:01:52,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 33 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 49 [2021-06-17 01:01:52,141 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-06-17 01:01:52,165 INFO L628 ElimStorePlain]: treesize reduction 4, result has 88.6 percent of original size [2021-06-17 01:01:52,174 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 01:01:52,174 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:73, output treesize:26 [2021-06-17 01:01:52,248 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 01:01:52,249 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [190569885] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:01:52,249 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 01:01:52,249 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 24] total 38 [2021-06-17 01:01:52,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581037920] [2021-06-17 01:01:52,249 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-17 01:01:52,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 01:01:52,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-17 01:01:52,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=1214, Unknown=0, NotChecked=0, Total=1406 [2021-06-17 01:01:52,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:01:52,250 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 01:01:52,251 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 2.1052631578947367) internal successors, (80), 38 states have internal predecessors, (80), 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) [2021-06-17 01:01:52,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:01:52,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:01:52,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:01:52,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 01:01:52,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:01:52,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:01:52,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 01:01:52,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-17 01:01:52,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 01:01:52,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:01:54,840 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 61 [2021-06-17 01:01:55,474 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 62 [2021-06-17 01:01:56,529 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 67 [2021-06-17 01:01:57,331 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 49 [2021-06-17 01:01:57,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:01:57,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:01:57,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 01:01:57,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 01:01:57,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:01:57,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 01:01:57,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 01:01:57,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 01:01:57,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 01:01:57,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-17 01:01:57,991 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 01:01:57,991 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 01:01:57,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 01:01:57,991 INFO L82 PathProgramCache]: Analyzing trace with hash 2071869881, now seen corresponding path program 7 times [2021-06-17 01:01:57,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 01:01:57,992 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626041117] [2021-06-17 01:01:57,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 01:01:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 01:01:58,394 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-06-17 01:01:58,394 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 01:01:58,394 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626041117] [2021-06-17 01:01:58,394 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626041117] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:01:58,394 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [455322120] [2021-06-17 01:01:58,394 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 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 [2021-06-17 01:01:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 01:01:58,443 WARN L261 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 80 conjunts are in the unsatisfiable core [2021-06-17 01:01:58,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 01:01:59,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:59,181 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 01:01:59,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:59,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:59,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:59,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:59,184 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 01:01:59,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:59,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 36 disjoint index pairs (out of 55 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 25 [2021-06-17 01:01:59,187 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 01:01:59,190 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 01:01:59,191 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 01:01:59,191 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:69, output treesize:3 [2021-06-17 01:01:59,213 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 134 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 01:01:59,213 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [455322120] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:01:59,213 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 01:01:59,214 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 24] total 38 [2021-06-17 01:01:59,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612979755] [2021-06-17 01:01:59,214 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-17 01:01:59,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 01:01:59,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-17 01:01:59,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=1261, Unknown=0, NotChecked=0, Total=1406 [2021-06-17 01:01:59,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:01:59,215 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 01:01:59,215 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 2.210526315789474) internal successors, (84), 38 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) [2021-06-17 01:01:59,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:01:59,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:01:59,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 01:01:59,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 01:01:59,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:01:59,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 01:01:59,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 01:01:59,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-17 01:01:59,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 01:01:59,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-17 01:01:59,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:02:04,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:02:04,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:02:04,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 01:02:04,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 01:02:04,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:02:04,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 01:02:04,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 01:02:04,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 01:02:04,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 01:02:04,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-17 01:02:04,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-06-17 01:02:04,540 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-17 01:02:04,541 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 01:02:04,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 01:02:04,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1878010899, now seen corresponding path program 8 times [2021-06-17 01:02:04,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 01:02:04,542 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676427280] [2021-06-17 01:02:04,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 01:02:04,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 01:02:04,613 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 17 proven. 52 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-06-17 01:02:04,614 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 01:02:04,614 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676427280] [2021-06-17 01:02:04,614 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676427280] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:02:04,614 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881277002] [2021-06-17 01:02:04,614 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 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 [2021-06-17 01:02:04,650 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 01:02:04,650 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 01:02:04,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-17 01:02:04,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 01:02:04,804 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 28 proven. 33 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2021-06-17 01:02:04,805 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [881277002] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:02:04,805 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 01:02:04,805 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 16 [2021-06-17 01:02:04,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103644453] [2021-06-17 01:02:04,805 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-17 01:02:04,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 01:02:04,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-17 01:02:04,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2021-06-17 01:02:04,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:02:04,806 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 01:02:04,806 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 01:02:04,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:02:04,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:02:04,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 01:02:04,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 01:02:04,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:02:04,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 01:02:04,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 01:02:04,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-17 01:02:04,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 01:02:04,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-17 01:02:04,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-06-17 01:02:04,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:02:05,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:02:05,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:02:05,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 01:02:05,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 01:02:05,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:02:05,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 01:02:05,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 01:02:05,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 01:02:05,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 01:02:05,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-17 01:02:05,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-06-17 01:02:05,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 01:02:05,307 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-06-17 01:02:05,309 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 01:02:05,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 01:02:05,310 INFO L82 PathProgramCache]: Analyzing trace with hash 848638449, now seen corresponding path program 9 times [2021-06-17 01:02:05,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 01:02:05,310 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591373941] [2021-06-17 01:02:05,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 01:02:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 01:02:05,790 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 1 proven. 133 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-06-17 01:02:05,790 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 01:02:05,790 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591373941] [2021-06-17 01:02:05,790 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591373941] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:02:05,790 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [129774788] [2021-06-17 01:02:05,791 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 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 [2021-06-17 01:02:05,833 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-06-17 01:02:05,834 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 01:02:05,835 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 103 conjunts are in the unsatisfiable core [2021-06-17 01:02:05,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 01:02:07,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:02:07,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:02:07,117 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 01:02:07,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:02:07,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:02:07,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:02:07,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:02:07,120 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 01:02:07,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:02:07,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:02:07,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:02:07,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:02:07,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:02:07,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:02:07,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:02:07,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:02:07,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:02:07,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:02:07,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:02:07,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:02:07,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:02:07,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:02:07,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:02:07,131 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 01:02:07,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 55 disjoint index pairs (out of 91 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 29 [2021-06-17 01:02:07,135 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 01:02:07,142 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 01:02:07,147 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 01:02:07,147 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:94, output treesize:13 [2021-06-17 01:02:07,209 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 194 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 01:02:07,210 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [129774788] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:02:07,210 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 01:02:07,210 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 31] total 47 [2021-06-17 01:02:07,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642271767] [2021-06-17 01:02:07,210 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-06-17 01:02:07,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 01:02:07,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-06-17 01:02:07,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=1939, Unknown=0, NotChecked=0, Total=2162 [2021-06-17 01:02:07,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:02:07,211 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 01:02:07,211 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 2.0851063829787235) internal successors, (98), 47 states have internal predecessors, (98), 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) [2021-06-17 01:02:07,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:02:07,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:02:07,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 01:02:07,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 01:02:07,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:02:07,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 01:02:07,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 01:02:07,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-17 01:02:07,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 01:02:07,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-17 01:02:07,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-06-17 01:02:07,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 01:02:07,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:02:12,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:02:12,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:02:12,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 01:02:12,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 01:02:12,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:02:12,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 01:02:12,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 01:02:12,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 01:02:12,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 01:02:12,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-17 01:02:12,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-06-17 01:02:12,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 01:02:12,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-06-17 01:02:12,856 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-06-17 01:02:12,857 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 01:02:12,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 01:02:12,857 INFO L82 PathProgramCache]: Analyzing trace with hash 441701447, now seen corresponding path program 10 times [2021-06-17 01:02:12,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 01:02:12,857 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268486120] [2021-06-17 01:02:12,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 01:02:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 01:02:12,959 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 16 proven. 105 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-06-17 01:02:12,959 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 01:02:12,959 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268486120] [2021-06-17 01:02:12,959 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268486120] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:02:12,960 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1917563294] [2021-06-17 01:02:12,960 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 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 [2021-06-17 01:02:12,998 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 01:02:12,998 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 01:02:12,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 28 conjunts are in the unsatisfiable core [2021-06-17 01:02:13,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 01:02:13,170 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 16 proven. 97 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2021-06-17 01:02:13,171 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1917563294] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:02:13,171 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 01:02:13,171 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 17 [2021-06-17 01:02:13,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970022537] [2021-06-17 01:02:13,171 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-17 01:02:13,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 01:02:13,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-17 01:02:13,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2021-06-17 01:02:13,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:02:13,172 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 01:02:13,172 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.9411764705882355) internal successors, (50), 17 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 01:02:13,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:02:13,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:02:13,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 01:02:13,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 01:02:13,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:02:13,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 01:02:13,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 01:02:13,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-17 01:02:13,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 01:02:13,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-17 01:02:13,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-06-17 01:02:13,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 01:02:13,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2021-06-17 01:02:13,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:02:13,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:02:13,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:02:13,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 01:02:13,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 01:02:13,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:02:13,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 01:02:13,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 01:02:13,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 01:02:13,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 01:02:13,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-17 01:02:13,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-06-17 01:02:13,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 01:02:13,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-06-17 01:02:13,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 01:02:13,837 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-06-17 01:02:13,837 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 01:02:13,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 01:02:13,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1038198057, now seen corresponding path program 11 times [2021-06-17 01:02:13,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 01:02:13,838 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812845715] [2021-06-17 01:02:13,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 01:02:13,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 01:02:14,382 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 4 proven. 178 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-06-17 01:02:14,382 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 01:02:14,382 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812845715] [2021-06-17 01:02:14,382 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812845715] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:02:14,382 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1097468171] [2021-06-17 01:02:14,383 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 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 [2021-06-17 01:02:14,429 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-06-17 01:02:14,430 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 01:02:14,431 WARN L261 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 111 conjunts are in the unsatisfiable core [2021-06-17 01:02:14,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 01:02:16,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:02:16,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:02:16,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:02:16,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:02:16,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:02:16,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:02:16,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:02:16,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:02:16,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:02:16,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:02:16,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:02:16,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:02:16,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:02:16,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:02:16,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:02:16,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:02:16,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:02:16,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:02:16,892 WARN L205 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 366 [2021-06-17 01:02:16,892 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 01:02:16,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 54 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 82 case distinctions, treesize of input 97 treesize of output 827 [2021-06-17 01:02:17,200 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 815 DAG size of output: 630 [2021-06-17 01:02:17,549 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 841 DAG size of output: 657 [2021-06-17 01:02:20,737 WARN L205 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 4903 DAG size of output: 2772 [2021-06-17 01:02:23,994 WARN L205 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 4928 DAG size of output: 2797 [2021-06-17 01:02:50,855 WARN L205 SmtUtils]: Spent 25.07 s on a formula simplification. DAG size of input: 25208 DAG size of output: 12032 [2021-06-17 01:03:17,931 WARN L205 SmtUtils]: Spent 26.29 s on a formula simplification. DAG size of input: 25230 DAG size of output: 12052 [2021-06-17 01:04:01,878 WARN L205 SmtUtils]: Spent 43.85 s on a formula simplification. DAG size of input: 11158 DAG size of output: 11641 [2021-06-17 01:04:47,271 WARN L205 SmtUtils]: Spent 45.26 s on a formula simplification. DAG size of input: 11142 DAG size of output: 12211 [2021-06-17 01:05:06,719 WARN L205 SmtUtils]: Spent 19.32 s on a formula simplification. DAG size of input: 11136 DAG size of output: 11136 [2021-06-17 01:05:42,034 WARN L205 SmtUtils]: Spent 35.24 s on a formula simplification. DAG size of input: 9911 DAG size of output: 9993 [2021-06-17 01:06:18,367 WARN L205 SmtUtils]: Spent 36.24 s on a formula simplification. DAG size of input: 9907 DAG size of output: 10147 [2021-06-17 01:06:54,747 WARN L205 SmtUtils]: Spent 36.25 s on a formula simplification. DAG size of input: 9902 DAG size of output: 9902 [2021-06-17 01:06:55,839 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 1850 DAG size of output: 1850 [2021-06-17 01:06:56,099 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 463 [2021-06-17 01:06:56,653 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 684 DAG size of output: 565 [2021-06-17 01:06:56,806 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 752 DAG size of output: 609 [2021-06-17 01:06:57,070 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 894 DAG size of output: 723 [2021-06-17 01:06:57,396 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 992 DAG size of output: 781 [2021-06-17 01:06:59,263 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 1644 DAG size of output: 1859 [2021-06-17 01:06:59,894 WARN L205 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 1503 DAG size of output: 1503 [2021-06-17 01:07:00,429 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 598 DAG size of output: 499 [2021-06-17 01:07:00,605 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 688 DAG size of output: 559 [2021-06-17 01:07:01,054 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 1303 DAG size of output: 1303 [2021-06-17 01:07:01,573 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 736 DAG size of output: 615 [2021-06-17 01:07:01,753 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 887 DAG size of output: 763 [2021-06-17 01:07:02,494 WARN L205 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 1122 DAG size of output: 1192 [2021-06-17 01:07:03,561 WARN L205 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 2023 DAG size of output: 1600 [2021-06-17 01:07:04,684 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 2597 DAG size of output: 2027 [2021-06-17 01:07:06,326 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 3094 DAG size of output: 2397 [2021-06-17 01:07:09,164 WARN L205 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 3747 DAG size of output: 2946 [2021-06-17 01:07:12,939 WARN L205 SmtUtils]: Spent 3.76 s on a formula simplification. DAG size of input: 4383 DAG size of output: 3398 [2021-06-17 01:07:15,432 WARN L205 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 1838 DAG size of output: 1949 [2021-06-17 01:07:16,300 WARN L205 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 1772 DAG size of output: 1772 [2021-06-17 01:07:17,750 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1543 DAG size of output: 1609 [2021-06-17 01:07:17,866 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 415 [2021-06-17 01:07:18,408 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 840 DAG size of output: 694 [2021-06-17 01:07:18,624 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 1048 DAG size of output: 886 [2021-06-17 01:07:18,938 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 1288 DAG size of output: 1093 [2021-06-17 01:07:19,048 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 374 DAG size of output: 387 [2021-06-17 01:07:19,445 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 715 DAG size of output: 547 [2021-06-17 01:07:22,165 WARN L205 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 4543 DAG size of output: 3336 [2021-06-17 01:07:22,436 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 397 [2021-06-17 01:07:22,612 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 689 DAG size of output: 457 [2021-06-17 01:07:22,783 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 748 DAG size of output: 494 [2021-06-17 01:07:23,002 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 817 DAG size of output: 537 [2021-06-17 01:07:26,193 WARN L205 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 5089 DAG size of output: 3642 [2021-06-17 01:07:31,084 WARN L205 SmtUtils]: Spent 4.87 s on a formula simplification. DAG size of input: 5880 DAG size of output: 4259 [2021-06-17 01:07:31,968 WARN L205 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 1194 DAG size of output: 1355 [2021-06-17 01:07:32,485 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 1002 DAG size of output: 1088 [2021-06-17 01:07:33,644 WARN L205 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 1737 DAG size of output: 1558 [2021-06-17 01:07:34,834 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 2404 DAG size of output: 2088 [2021-06-17 01:07:35,445 WARN L205 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 1101 DAG size of output: 1147 [2021-06-17 01:07:36,564 WARN L205 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 2265 DAG size of output: 1782 [2021-06-17 01:07:37,405 WARN L205 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 1295 DAG size of output: 1366 [2021-06-17 01:07:38,753 WARN L205 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 2670 DAG size of output: 1977 [2021-06-17 01:07:39,153 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 793 DAG size of output: 815 [2021-06-17 01:07:39,452 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 804 [2021-06-17 01:07:39,660 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 627 [2021-06-17 01:07:39,809 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 639 [2021-06-17 01:07:40,198 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 1146 DAG size of output: 942 [2021-06-17 01:07:40,588 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 1476 DAG size of output: 1264 [2021-06-17 01:07:41,213 WARN L205 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 1911 DAG size of output: 1689 [2021-06-17 01:07:42,218 WARN L205 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 2299 DAG size of output: 2063 [2021-06-17 01:07:42,488 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 673 DAG size of output: 699 [2021-06-17 01:07:42,748 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 711 [2021-06-17 01:07:43,334 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 915 DAG size of output: 818 [2021-06-17 01:07:43,747 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 1267 DAG size of output: 1130 [2021-06-17 01:07:44,144 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 1709 DAG size of output: 1545 [2021-06-17 01:07:44,781 WARN L205 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 2113 DAG size of output: 1929 [2021-06-17 01:07:45,029 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 727 DAG size of output: 761 [2021-06-17 01:07:45,487 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 1265 DAG size of output: 1034 [2021-06-17 01:07:45,784 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 731 DAG size of output: 768 [2021-06-17 01:07:46,052 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 818 [2021-06-17 01:07:46,807 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 588 [2021-06-17 01:07:47,467 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 1000 DAG size of output: 700 [2021-06-17 01:07:47,830 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 1185 DAG size of output: 1185 [2021-06-17 01:07:48,247 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 719 DAG size of output: 561 [2021-06-17 01:07:48,838 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 985 DAG size of output: 1154 [2021-06-17 01:07:49,626 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 1733 DAG size of output: 1376 [2021-06-17 01:07:50,462 WARN L205 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 2246 DAG size of output: 1757 [2021-06-17 01:07:51,022 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 1355 DAG size of output: 1355 [2021-06-17 01:07:51,612 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 404 [2021-06-17 01:07:51,831 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 503 [2021-06-17 01:07:52,093 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 552 [2021-06-17 01:07:53,011 WARN L205 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 1194 DAG size of output: 1212 [2021-06-17 01:07:53,616 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 742 [2021-06-17 01:07:53,814 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 1124 DAG size of output: 885 [2021-06-17 01:07:55,507 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 3141 DAG size of output: 2326 [2021-06-17 01:07:57,381 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 3540 DAG size of output: 2653 [2021-06-17 01:07:59,125 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 1381 DAG size of output: 1418 [2021-06-17 01:07:59,753 WARN L205 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 1367 DAG size of output: 1367 [2021-06-17 01:08:00,162 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 1077 DAG size of output: 1077 [2021-06-17 01:08:00,460 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 946 DAG size of output: 946 [2021-06-17 01:08:00,935 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 764 DAG size of output: 764 [2021-06-17 01:08:01,484 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 919 DAG size of output: 764 [2021-06-17 01:08:01,625 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 601 DAG size of output: 601 [2021-06-17 01:08:02,202 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 912 DAG size of output: 665 [2021-06-17 01:08:02,627 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 1181 DAG size of output: 872 [2021-06-17 01:08:03,163 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 1878 DAG size of output: 1345 [2021-06-17 01:08:03,945 WARN L205 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 2211 DAG size of output: 1612 [2021-06-17 01:08:05,092 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 2423 DAG size of output: 1764 [2021-06-17 01:08:05,275 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 397 [2021-06-17 01:08:05,632 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 808 DAG size of output: 543 [2021-06-17 01:08:05,796 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 853 DAG size of output: 561 [2021-06-17 01:08:07,608 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 3156 DAG size of output: 2208 [2021-06-17 01:08:10,615 WARN L205 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 3573 DAG size of output: 2611 [2021-06-17 01:09:16,222 WARN L205 SmtUtils]: Spent 1.09 m on a formula simplification. DAG size of input: 31705 DAG size of output: 24019 [2021-06-17 01:10:48,279 WARN L205 SmtUtils]: Spent 1.53 m on a formula simplification. DAG size of input: 35985 DAG size of output: 27854 [2021-06-17 01:12:46,929 WARN L205 SmtUtils]: Spent 1.97 m on a formula simplification. DAG size of input: 40914 DAG size of output: 31950 [2021-06-17 01:12:49,500 WARN L205 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 1742 DAG size of output: 1777 [2021-06-17 01:12:51,747 WARN L205 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 1738 DAG size of output: 1937 [2021-06-17 01:12:53,551 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 1507 DAG size of output: 1548 [2021-06-17 01:12:55,323 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 1503 DAG size of output: 1503 [2021-06-17 01:12:56,851 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1497 DAG size of output: 1639 [2021-06-17 01:12:57,536 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 446 [2021-06-17 01:12:57,811 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 873 DAG size of output: 608 [2021-06-17 01:12:59,695 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 3242 DAG size of output: 2491 [2021-06-17 01:13:02,641 WARN L205 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 3922 DAG size of output: 3004 [2021-06-17 01:13:06,827 WARN L205 SmtUtils]: Spent 4.17 s on a formula simplification. DAG size of input: 4596 DAG size of output: 3606 [2021-06-17 01:13:12,855 WARN L205 SmtUtils]: Spent 6.01 s on a formula simplification. DAG size of input: 5013 DAG size of output: 4007 [2021-06-17 01:13:20,877 WARN L205 SmtUtils]: Spent 8.00 s on a formula simplification. DAG size of input: 5755 DAG size of output: 4595 [2021-06-17 01:15:42,656 WARN L205 SmtUtils]: Spent 2.36 m on a formula simplification. DAG size of input: 45288 DAG size of output: 35161 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown