/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 15:39:49,951 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 15:39:49,953 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 15:39:49,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 15:39:49,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 15:39:49,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 15:39:49,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 15:39:49,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 15:39:49,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 15:39:49,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 15:39:49,994 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 15:39:49,995 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 15:39:49,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 15:39:50,008 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 15:39:50,009 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 15:39:50,010 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 15:39:50,012 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-10 15:39:50,033 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random7777.epf [2021-07-10 15:39:50,074 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 15:39:50,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 15:39:50,075 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 15:39:50,075 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 15:39:50,078 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 15:39:50,078 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 15:39:50,079 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 15:39:50,079 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 15:39:50,079 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 15:39:50,079 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 15:39:50,080 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 15:39:50,080 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 15:39:50,080 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 15:39:50,080 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 15:39:50,080 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 15:39:50,081 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 15:39:50,081 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 15:39:50,081 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 15:39:50,081 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 15:39:50,081 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 15:39:50,081 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 15:39:50,081 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 15:39:50,082 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 15:39:50,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 15:39:50,082 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 15:39:50,082 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 15:39:50,082 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 15:39:50,082 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 15:39:50,082 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-10 15:39:50,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 15:39:50,083 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 15:39:50,083 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 15:39:50,083 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 15:39:50,084 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-10 15:39:50,084 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-10 15:39:50,084 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 15:39:50,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 15:39:50,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 15:39:50,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 15:39:50,453 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 15:39:50,455 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 15:39:50,456 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun.wvr.bpl [2021-07-10 15:39:50,456 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun.wvr.bpl' [2021-07-10 15:39:50,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 15:39:50,486 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 15:39:50,487 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 15:39:50,487 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 15:39:50,487 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 15:39:50,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:39:50" (1/1) ... [2021-07-10 15:39:50,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:39:50" (1/1) ... [2021-07-10 15:39:50,513 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 15:39:50,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 15:39:50,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 15:39:50,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 15:39:50,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:39:50" (1/1) ... [2021-07-10 15:39:50,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:39:50" (1/1) ... [2021-07-10 15:39:50,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:39:50" (1/1) ... [2021-07-10 15:39:50,522 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:39:50" (1/1) ... [2021-07-10 15:39:50,524 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:39:50" (1/1) ... [2021-07-10 15:39:50,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:39:50" (1/1) ... [2021-07-10 15:39:50,527 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:39:50" (1/1) ... [2021-07-10 15:39:50,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 15:39:50,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 15:39:50,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 15:39:50,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 15:39:50,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:39:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 15:39:50,587 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 15:39:50,587 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 15:39:50,587 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 15:39:50,587 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 15:39:50,587 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 15:39:50,587 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 15:39:50,588 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 15:39:50,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 15:39:50,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 15:39:50,588 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-10 15:39:50,588 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-10 15:39:50,588 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-10 15:39:50,589 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 15:39:50,833 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 15:39:50,834 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-10 15:39:50,836 INFO L202 PluginConnector]: Adding new model sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 03:39:50 BoogieIcfgContainer [2021-07-10 15:39:50,836 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 15:39:50,837 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 15:39:50,837 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 15:39:50,840 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 15:39:50,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:39:50" (1/2) ... [2021-07-10 15:39:50,841 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@377e390e and model type sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 03:39:50, skipping insertion in model container [2021-07-10 15:39:50,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 03:39:50" (2/2) ... [2021-07-10 15:39:50,843 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-fun.wvr.bpl [2021-07-10 15:39:50,864 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 15:39:50,864 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 15:39:50,864 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 15:39:50,865 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 15:39:50,935 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-10 15:39:50,956 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 15:39:51,002 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 15:39:51,002 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 15:39:51,002 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 15:39:51,002 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 15:39:51,002 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 15:39:51,003 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 15:39:51,003 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 15:39:51,003 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 15:39:51,097 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:39:51,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:39:51,105 INFO L82 PathProgramCache]: Analyzing trace with hash 2082179512, now seen corresponding path program 1 times [2021-07-10 15:39:51,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:39:51,113 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98259553] [2021-07-10 15:39:51,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:39:51,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:39:51,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:39:51,361 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:39:51,361 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98259553] [2021-07-10 15:39:51,361 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98259553] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 15:39:51,361 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 15:39:51,362 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-10 15:39:51,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853537478] [2021-07-10 15:39:51,365 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-10 15:39:51,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:39:51,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-10 15:39:51,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-10 15:39:51,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:39:51,378 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:39:51,380 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) [2021-07-10 15:39:51,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:39:51,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:39:51,467 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 15:39:51,467 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:39:51,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:39:51,468 INFO L82 PathProgramCache]: Analyzing trace with hash -747276558, now seen corresponding path program 1 times [2021-07-10 15:39:51,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:39:51,469 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284550003] [2021-07-10 15:39:51,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:39:51,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:39:51,523 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:39:51,523 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:39:51,524 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284550003] [2021-07-10 15:39:51,524 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284550003] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:39:51,524 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [15559711] [2021-07-10 15:39:51,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:39:51,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:39:51,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-10 15:39:51,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:39:51,785 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:39:51,786 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [15559711] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:39:51,786 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:39:51,786 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-07-10 15:39:51,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627656151] [2021-07-10 15:39:51,788 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-10 15:39:51,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:39:51,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-10 15:39:51,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-07-10 15:39:51,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:39:51,789 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:39:51,789 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 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) [2021-07-10 15:39:51,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:39:51,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:39:51,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:39:51,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:39:52,093 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:39:52,093 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:39:52,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:39:52,094 INFO L82 PathProgramCache]: Analyzing trace with hash -178311404, now seen corresponding path program 2 times [2021-07-10 15:39:52,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:39:52,095 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216376023] [2021-07-10 15:39:52,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:39:52,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:39:52,369 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:39:52,370 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:39:52,370 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216376023] [2021-07-10 15:39:52,370 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216376023] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:39:52,370 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1818316709] [2021-07-10 15:39:52,370 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:39:52,456 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 15:39:52,456 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:39:52,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-10 15:39:52,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:39:52,994 INFO L354 Elim1Store]: treesize reduction 22, result has 12.0 percent of original size [2021-07-10 15:39:52,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 49 [2021-07-10 15:39:53,003 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:39:53,010 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:39:53,012 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 15:39:53,013 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:66, output treesize:5 [2021-07-10 15:39:53,069 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:39:53,069 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1818316709] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:39:53,069 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:39:53,070 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-07-10 15:39:53,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7614960] [2021-07-10 15:39:53,072 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-10 15:39:53,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:39:53,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-10 15:39:53,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=306, Unknown=0, NotChecked=0, Total=380 [2021-07-10 15:39:53,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:39:53,075 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:39:53,075 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.05) internal successors, (41), 20 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:39:53,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:39:53,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:39:53,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:39:53,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:39:53,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:39:53,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:39:54,092 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:39:54,092 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:39:54,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:39:54,093 INFO L82 PathProgramCache]: Analyzing trace with hash 935598898, now seen corresponding path program 3 times [2021-07-10 15:39:54,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:39:54,093 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747148867] [2021-07-10 15:39:54,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:39:54,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:39:54,182 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:39:54,182 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:39:54,182 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747148867] [2021-07-10 15:39:54,182 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747148867] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:39:54,182 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433102345] [2021-07-10 15:39:54,182 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:39:54,213 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-10 15:39:54,213 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:39:54,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-10 15:39:54,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:39:54,413 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:39:54,413 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [433102345] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:39:54,413 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:39:54,414 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-07-10 15:39:54,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353475977] [2021-07-10 15:39:54,414 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-10 15:39:54,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:39:54,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-10 15:39:54,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2021-07-10 15:39:54,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:39:54,415 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:39:54,415 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:39:54,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:39:54,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:39:54,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:39:54,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:39:54,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:39:54,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:39:54,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:39:54,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:39:54,952 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:39:54,952 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:39:54,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:39:54,953 INFO L82 PathProgramCache]: Analyzing trace with hash -2137668780, now seen corresponding path program 4 times [2021-07-10 15:39:54,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:39:54,953 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232789823] [2021-07-10 15:39:54,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:39:54,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:39:55,268 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:39:55,269 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:39:55,269 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232789823] [2021-07-10 15:39:55,269 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232789823] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:39:55,269 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910030025] [2021-07-10 15:39:55,269 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:39:55,306 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 15:39:55,306 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:39:55,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 35 conjunts are in the unsatisfiable core [2021-07-10 15:39:55,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:39:55,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:55,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:55,771 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:39:55,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:55,773 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:39:55,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 15 [2021-07-10 15:39:55,776 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:39:55,781 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:39:55,783 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 15:39:55,783 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:5 [2021-07-10 15:39:55,820 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:39:55,821 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [910030025] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:39:55,821 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:39:55,821 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-07-10 15:39:55,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654650479] [2021-07-10 15:39:55,822 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-10 15:39:55,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:39:55,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-10 15:39:55,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=433, Unknown=0, NotChecked=0, Total=506 [2021-07-10 15:39:55,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:39:55,832 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:39:55,834 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.130434782608696) internal successors, (49), 23 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:39:55,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:39:55,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:39:55,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:39:55,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:39:55,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:39:56,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:39:56,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:39:56,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:39:56,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:39:56,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:39:57,159 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:39:57,159 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:39:57,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:39:57,160 INFO L82 PathProgramCache]: Analyzing trace with hash -263491470, now seen corresponding path program 5 times [2021-07-10 15:39:57,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:39:57,160 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673934764] [2021-07-10 15:39:57,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:39:57,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:39:57,236 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:39:57,237 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:39:57,237 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673934764] [2021-07-10 15:39:57,237 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673934764] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:39:57,237 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [645341180] [2021-07-10 15:39:57,237 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:39:57,268 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-10 15:39:57,268 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:39:57,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-10 15:39:57,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:39:57,444 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:39:57,445 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [645341180] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:39:57,445 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:39:57,445 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-07-10 15:39:57,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055876506] [2021-07-10 15:39:57,445 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-10 15:39:57,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:39:57,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-10 15:39:57,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2021-07-10 15:39:57,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:39:57,446 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:39:57,446 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 2.6842105263157894) internal successors, (51), 19 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) [2021-07-10 15:39:57,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:39:57,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:39:57,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:39:57,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:39:57,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:39:57,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:39:57,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:39:57,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:39:57,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:39:57,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:39:57,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:39:57,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:39:58,118 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:39:58,118 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:39:58,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:39:58,119 INFO L82 PathProgramCache]: Analyzing trace with hash 882690196, now seen corresponding path program 6 times [2021-07-10 15:39:58,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:39:58,119 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123001211] [2021-07-10 15:39:58,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:39:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:39:58,460 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:39:58,460 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:39:58,460 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123001211] [2021-07-10 15:39:58,463 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123001211] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:39:58,463 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [179297508] [2021-07-10 15:39:58,463 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:39:58,499 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-10 15:39:58,499 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:39:58,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 43 conjunts are in the unsatisfiable core [2021-07-10 15:39:58,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:39:59,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:59,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:59,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:59,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:59,099 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:39:59,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:59,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:59,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:59,102 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:39:59,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:59,104 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:39:59,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 17 [2021-07-10 15:39:59,106 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:39:59,111 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:39:59,114 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 15:39:59,115 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:43, output treesize:5 [2021-07-10 15:39:59,150 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:39:59,150 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [179297508] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:39:59,150 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:39:59,151 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 27 [2021-07-10 15:39:59,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594931426] [2021-07-10 15:39:59,151 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-10 15:39:59,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:39:59,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-10 15:39:59,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=621, Unknown=0, NotChecked=0, Total=702 [2021-07-10 15:39:59,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:39:59,152 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:39:59,153 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.111111111111111) internal successors, (57), 27 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:39:59,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:39:59,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:39:59,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:39:59,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:39:59,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:39:59,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:39:59,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:40:00,577 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 69 [2021-07-10 15:40:01,787 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2021-07-10 15:40:01,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:40:01,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:40:01,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:40:01,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:40:01,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:40:01,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:40:01,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:40:02,184 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:40:02,185 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:40:02,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:40:02,185 INFO L82 PathProgramCache]: Analyzing trace with hash 1230681778, now seen corresponding path program 7 times [2021-07-10 15:40:02,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:40:02,185 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012133874] [2021-07-10 15:40:02,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:40:02,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:40:02,303 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:40:02,304 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:40:02,304 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012133874] [2021-07-10 15:40:02,304 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012133874] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:40:02,304 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139424307] [2021-07-10 15:40:02,304 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:40:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:40:02,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-10 15:40:02,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:40:02,560 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:40:02,561 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139424307] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:40:02,561 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:40:02,561 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-07-10 15:40:02,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418140604] [2021-07-10 15:40:02,561 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-10 15:40:02,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:40:02,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-10 15:40:02,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=408, Unknown=0, NotChecked=0, Total=506 [2021-07-10 15:40:02,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:40:02,562 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:40:02,562 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.5652173913043477) internal successors, (59), 23 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:40:02,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:40:02,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:40:02,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:40:02,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:40:02,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:40:02,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:40:02,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:40:02,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:40:03,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:40:03,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:40:03,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:40:03,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:40:03,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:40:03,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:40:03,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:40:03,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:40:03,408 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-07-10 15:40:03,409 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:40:03,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:40:03,409 INFO L82 PathProgramCache]: Analyzing trace with hash -2030862636, now seen corresponding path program 8 times [2021-07-10 15:40:03,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:40:03,409 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58630991] [2021-07-10 15:40:03,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:40:03,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:40:03,866 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:40:03,866 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:40:03,867 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58630991] [2021-07-10 15:40:03,867 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58630991] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:40:03,867 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [120556615] [2021-07-10 15:40:03,867 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:40:03,902 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 15:40:03,902 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:40:03,903 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 51 conjunts are in the unsatisfiable core [2021-07-10 15:40:03,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:40:04,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:04,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:04,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:04,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:04,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:04,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:04,720 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 60 [2021-07-10 15:40:04,721 INFO L354 Elim1Store]: treesize reduction 172, result has 36.5 percent of original size [2021-07-10 15:40:04,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 14 new quantified variables, introduced 30 case distinctions, treesize of input 300 treesize of output 234 [2021-07-10 15:40:05,010 INFO L550 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-07-10 15:40:05,086 INFO L628 ElimStorePlain]: treesize reduction 192, result has 14.7 percent of original size [2021-07-10 15:40:05,095 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-10 15:40:05,095 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:305, output treesize:27 [2021-07-10 15:40:05,180 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:40:05,181 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [120556615] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:40:05,181 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:40:05,181 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 31 [2021-07-10 15:40:05,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948220388] [2021-07-10 15:40:05,181 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-10 15:40:05,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:40:05,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-10 15:40:05,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=847, Unknown=0, NotChecked=0, Total=930 [2021-07-10 15:40:05,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:40:05,183 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:40:05,183 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.161290322580645) internal successors, (67), 31 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:40:05,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:40:05,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:40:05,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:40:05,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:40:05,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:40:05,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:40:05,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:40:05,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:40:05,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:40:07,261 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 90 [2021-07-10 15:40:08,218 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2021-07-10 15:40:08,656 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2021-07-10 15:40:09,056 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2021-07-10 15:40:09,574 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 106 [2021-07-10 15:40:09,887 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2021-07-10 15:40:09,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:40:09,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:40:09,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:40:09,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:40:09,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:40:09,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:40:09,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:40:09,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:40:09,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:40:10,182 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:40:10,183 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:40:10,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:40:10,183 INFO L82 PathProgramCache]: Analyzing trace with hash 280047090, now seen corresponding path program 9 times [2021-07-10 15:40:10,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:40:10,183 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493908944] [2021-07-10 15:40:10,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:40:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:40:10,296 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 13 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:40:10,297 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:40:10,297 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493908944] [2021-07-10 15:40:10,297 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493908944] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:40:10,297 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [422344709] [2021-07-10 15:40:10,297 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:40:10,333 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-10 15:40:10,334 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:40:10,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-10 15:40:10,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:40:10,611 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 13 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:40:10,612 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [422344709] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:40:10,612 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:40:10,612 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 27 [2021-07-10 15:40:10,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20746113] [2021-07-10 15:40:10,613 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-10 15:40:10,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:40:10,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-10 15:40:10,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=570, Unknown=0, NotChecked=0, Total=702 [2021-07-10 15:40:10,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:40:10,614 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:40:10,614 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.4814814814814814) internal successors, (67), 27 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:40:10,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:40:10,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:40:10,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:40:10,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:40:10,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:40:10,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:40:10,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:40:10,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:40:10,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:40:10,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:40:11,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:40:11,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:40:11,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:40:11,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:40:11,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:40:11,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:40:11,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:40:11,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:40:11,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:40:11,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:11,678 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2021-07-10 15:40:11,679 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:40:11,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:40:11,679 INFO L82 PathProgramCache]: Analyzing trace with hash -762763756, now seen corresponding path program 10 times [2021-07-10 15:40:11,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:40:11,679 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667001174] [2021-07-10 15:40:11,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:40:11,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:40:12,192 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:40:12,192 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:40:12,192 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667001174] [2021-07-10 15:40:12,192 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667001174] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:40:12,192 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [568344002] [2021-07-10 15:40:12,192 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:40:12,234 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 15:40:12,234 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:40:12,235 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 59 conjunts are in the unsatisfiable core [2021-07-10 15:40:12,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:40:13,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:13,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:13,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:13,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:13,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:13,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:13,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:13,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:13,221 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:40:13,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:13,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:13,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:13,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:13,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:13,225 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:40:13,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:13,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:13,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:13,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:13,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:13,229 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:40:13,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:13,230 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:40:13,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:13,231 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:40:13,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 15 disjoint index pairs (out of 55 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 21 [2021-07-10 15:40:13,233 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:40:13,239 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:40:13,241 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 15:40:13,241 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:59, output treesize:5 [2021-07-10 15:40:13,277 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:40:13,277 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [568344002] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:40:13,277 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:40:13,277 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 35 [2021-07-10 15:40:13,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452570827] [2021-07-10 15:40:13,277 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-10 15:40:13,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:40:13,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-10 15:40:13,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=1087, Unknown=0, NotChecked=0, Total=1190 [2021-07-10 15:40:13,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:40:13,279 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:40:13,279 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 2.085714285714286) internal successors, (73), 35 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:40:13,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:40:13,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:40:13,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:40:13,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:40:13,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:40:13,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:40:13,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:40:13,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:40:13,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:40:13,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:13,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:40:13,889 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2021-07-10 15:40:14,205 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2021-07-10 15:40:14,564 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 108 [2021-07-10 15:40:14,887 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2021-07-10 15:40:15,253 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 104 [2021-07-10 15:40:15,559 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2021-07-10 15:40:15,927 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 104 [2021-07-10 15:40:16,183 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2021-07-10 15:40:16,516 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2021-07-10 15:40:16,933 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 125 [2021-07-10 15:40:17,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:40:17,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:40:17,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:40:17,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:40:17,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:40:17,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:40:17,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:40:17,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:40:17,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:40:17,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:17,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:17,228 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable60 [2021-07-10 15:40:17,229 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:40:17,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:40:17,229 INFO L82 PathProgramCache]: Analyzing trace with hash -646048206, now seen corresponding path program 11 times [2021-07-10 15:40:17,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:40:17,229 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238191373] [2021-07-10 15:40:17,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:40:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:40:17,362 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 21 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:40:17,362 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:40:17,362 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238191373] [2021-07-10 15:40:17,362 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238191373] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:40:17,362 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57410627] [2021-07-10 15:40:17,363 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:40:17,410 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-07-10 15:40:17,410 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:40:17,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-10 15:40:17,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:40:17,710 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 21 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:40:17,710 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [57410627] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:40:17,710 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:40:17,710 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 31 [2021-07-10 15:40:17,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728794712] [2021-07-10 15:40:17,711 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-10 15:40:17,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:40:17,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-10 15:40:17,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=758, Unknown=0, NotChecked=0, Total=930 [2021-07-10 15:40:17,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:40:17,712 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:40:17,712 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.4193548387096775) internal successors, (75), 31 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:40:17,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:40:17,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:40:17,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:40:17,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:40:17,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:40:17,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:40:17,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:40:17,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:40:17,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:40:17,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:17,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:17,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:40:18,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:40:18,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:40:18,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:40:18,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:40:18,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:40:18,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:40:18,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:40:18,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:40:18,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:40:18,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:18,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:18,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 15:40:18,914 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:40:18,915 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:40:18,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:40:18,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1682112940, now seen corresponding path program 12 times [2021-07-10 15:40:18,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:40:18,915 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448115371] [2021-07-10 15:40:18,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:40:18,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:40:19,459 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:40:19,459 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:40:19,459 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448115371] [2021-07-10 15:40:19,459 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448115371] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:40:19,459 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1136167734] [2021-07-10 15:40:19,460 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:40:19,502 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-07-10 15:40:19,502 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:40:19,503 WARN L261 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 72 conjunts are in the unsatisfiable core [2021-07-10 15:40:19,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:40:21,112 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 19 [2021-07-10 15:40:21,112 INFO L354 Elim1Store]: treesize reduction 726, result has 2.6 percent of original size [2021-07-10 15:40:21,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 20 new quantified variables, introduced 78 case distinctions, treesize of input 556 treesize of output 252 [2021-07-10 15:40:21,116 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:40:21,121 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:40:21,122 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 15:40:21,122 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:556, output treesize:29 [2021-07-10 15:40:21,207 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:40:21,207 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1136167734] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:40:21,207 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:40:21,208 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 23] total 41 [2021-07-10 15:40:21,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057174021] [2021-07-10 15:40:21,208 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-07-10 15:40:21,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:40:21,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-07-10 15:40:21,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=1516, Unknown=0, NotChecked=0, Total=1640 [2021-07-10 15:40:21,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:40:21,209 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:40:21,210 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 2.024390243902439) internal successors, (83), 41 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:40:21,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:40:21,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:40:21,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:40:21,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:40:21,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:40:21,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:40:21,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:40:21,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:40:21,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:40:21,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:21,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:21,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 15:40:21,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:40:21,797 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2021-07-10 15:40:22,178 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2021-07-10 15:40:22,346 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 92 [2021-07-10 15:40:22,701 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 101 [2021-07-10 15:40:22,863 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 87 [2021-07-10 15:40:23,198 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2021-07-10 15:40:23,616 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2021-07-10 15:40:24,163 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 106 [2021-07-10 15:40:24,609 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2021-07-10 15:40:25,185 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2021-07-10 15:40:25,674 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2021-07-10 15:40:26,080 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2021-07-10 15:40:26,300 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2021-07-10 15:40:26,739 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 109 [2021-07-10 15:40:27,219 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 128 [2021-07-10 15:40:27,527 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 136 [2021-07-10 15:40:27,886 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2021-07-10 15:40:28,287 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 154 [2021-07-10 15:40:28,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:40:28,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:40:28,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:40:28,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:40:28,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:40:28,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:40:28,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:40:28,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:40:28,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:40:28,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:28,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:28,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 15:40:28,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-10 15:40:28,585 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable62 [2021-07-10 15:40:28,585 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:40:28,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:40:28,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1080078194, now seen corresponding path program 13 times [2021-07-10 15:40:28,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:40:28,586 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91145700] [2021-07-10 15:40:28,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:40:28,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:40:28,728 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 31 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:40:28,728 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:40:28,728 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91145700] [2021-07-10 15:40:28,728 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91145700] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:40:28,728 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1887975970] [2021-07-10 15:40:28,728 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:40:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:40:28,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-10 15:40:28,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:40:29,170 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 31 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:40:29,170 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1887975970] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:40:29,171 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:40:29,171 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 35 [2021-07-10 15:40:29,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125842944] [2021-07-10 15:40:29,171 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-10 15:40:29,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:40:29,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-10 15:40:29,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=218, Invalid=972, Unknown=0, NotChecked=0, Total=1190 [2021-07-10 15:40:29,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:40:29,172 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:40:29,172 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 2.3714285714285714) internal successors, (83), 35 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:40:29,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:40:29,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:40:29,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:40:29,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:40:29,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:40:29,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:40:29,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:40:29,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:40:29,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:40:29,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:29,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:29,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 15:40:29,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-10 15:40:29,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:40:30,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:40:30,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:40:30,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:40:30,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:40:30,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:40:30,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:40:30,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:40:30,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:40:30,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:40:30,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:30,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:30,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 15:40:30,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-10 15:40:30,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 15:40:30,609 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:40:30,610 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:40:30,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:40:30,610 INFO L82 PathProgramCache]: Analyzing trace with hash -732018796, now seen corresponding path program 14 times [2021-07-10 15:40:30,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:40:30,610 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925553378] [2021-07-10 15:40:30,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:40:30,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:40:31,253 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:40:31,253 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:40:31,253 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925553378] [2021-07-10 15:40:31,254 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925553378] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:40:31,254 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1569598056] [2021-07-10 15:40:31,254 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:40:31,324 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 15:40:31,324 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:40:31,325 WARN L261 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 77 conjunts are in the unsatisfiable core [2021-07-10 15:40:31,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:40:32,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:32,621 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2021-07-10 15:40:32,622 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:40:32,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 77 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 69 treesize of output 291 [2021-07-10 15:40:32,850 INFO L550 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: and 2 xjuncts. [2021-07-10 15:40:32,857 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:40:32,858 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 15:40:32,858 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:17 [2021-07-10 15:40:32,979 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:40:32,980 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1569598056] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:40:32,980 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:40:32,980 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 43 [2021-07-10 15:40:32,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450316218] [2021-07-10 15:40:32,980 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-07-10 15:40:32,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:40:32,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-07-10 15:40:32,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=1696, Unknown=0, NotChecked=0, Total=1806 [2021-07-10 15:40:32,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:40:32,981 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:40:32,982 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 2.116279069767442) internal successors, (91), 43 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:40:32,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:40:32,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:40:32,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:40:32,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:40:32,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:40:32,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:40:32,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:40:32,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:40:32,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:40:32,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:32,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:32,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 15:40:32,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-10 15:40:32,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 15:40:32,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:40:33,288 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 96 [2021-07-10 15:40:33,506 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2021-07-10 15:40:33,745 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2021-07-10 15:40:34,137 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2021-07-10 15:40:34,392 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2021-07-10 15:40:34,579 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 92 [2021-07-10 15:40:35,033 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 108 [2021-07-10 15:40:35,214 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2021-07-10 15:40:36,024 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 154 [2021-07-10 15:40:36,242 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2021-07-10 15:40:36,733 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2021-07-10 15:40:37,199 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2021-07-10 15:40:37,751 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 153 [2021-07-10 15:40:37,963 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2021-07-10 15:40:38,467 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2021-07-10 15:40:39,027 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 105 [2021-07-10 15:40:39,588 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 155 [2021-07-10 15:40:39,768 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2021-07-10 15:40:40,331 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2021-07-10 15:40:40,885 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 123 [2021-07-10 15:40:41,460 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 155 [2021-07-10 15:40:42,208 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2021-07-10 15:40:42,817 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 143 [2021-07-10 15:40:43,415 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 159 [2021-07-10 15:40:43,938 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 93 [2021-07-10 15:40:44,176 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 118 [2021-07-10 15:40:44,809 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 152 [2021-07-10 15:40:45,222 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 160 [2021-07-10 15:40:46,141 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 170 [2021-07-10 15:40:46,718 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 146 [2021-07-10 15:40:46,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:40:46,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:40:46,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:40:46,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:40:46,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:40:46,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:40:46,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:40:46,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:40:46,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:40:46,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:46,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:46,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 15:40:46,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-10 15:40:46,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 15:40:46,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-10 15:40:46,999 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2021-07-10 15:40:46,999 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:40:46,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:40:46,999 INFO L82 PathProgramCache]: Analyzing trace with hash 795359666, now seen corresponding path program 15 times [2021-07-10 15:40:46,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:40:46,999 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002363640] [2021-07-10 15:40:47,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:40:47,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:40:47,181 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 43 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:40:47,181 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:40:47,181 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002363640] [2021-07-10 15:40:47,181 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002363640] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:40:47,181 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634966204] [2021-07-10 15:40:47,181 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:40:47,219 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-07-10 15:40:47,219 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:40:47,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-10 15:40:47,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:40:47,660 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 43 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:40:47,661 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1634966204] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:40:47,661 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:40:47,661 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 39 [2021-07-10 15:40:47,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241219361] [2021-07-10 15:40:47,661 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-10 15:40:47,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:40:47,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-10 15:40:47,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=270, Invalid=1212, Unknown=0, NotChecked=0, Total=1482 [2021-07-10 15:40:47,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:40:47,663 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:40:47,664 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 2.3333333333333335) internal successors, (91), 39 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:40:47,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:40:47,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:40:47,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:40:47,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:40:47,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:40:47,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:40:47,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:40:47,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:40:47,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:40:47,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:47,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:47,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 15:40:47,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-10 15:40:47,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 15:40:47,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-07-10 15:40:47,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:40:49,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:40:49,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:40:49,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:40:49,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:40:49,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:40:49,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:40:49,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:40:49,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:40:49,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:40:49,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:49,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:49,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 15:40:49,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-10 15:40:49,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 15:40:49,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-10 15:40:49,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 15:40:49,203 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:40:49,204 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:40:49,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:40:49,204 INFO L82 PathProgramCache]: Analyzing trace with hash 531382740, now seen corresponding path program 16 times [2021-07-10 15:40:49,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:40:49,204 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455077231] [2021-07-10 15:40:49,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:40:49,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:40:49,981 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:40:49,981 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:40:49,981 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455077231] [2021-07-10 15:40:49,981 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455077231] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:40:49,981 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1721583420] [2021-07-10 15:40:49,981 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:40:50,022 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 15:40:50,022 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:40:50,023 WARN L261 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 83 conjunts are in the unsatisfiable core [2021-07-10 15:40:50,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:40:51,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,942 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:40:51,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,949 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:40:51,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,954 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:40:51,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,961 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:40:51,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,964 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:40:51,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,968 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:40:51,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:40:51,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:51,974 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:40:51,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 36 disjoint index pairs (out of 136 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 27 [2021-07-10 15:40:51,976 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:40:51,980 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:40:51,981 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 15:40:51,981 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:83, output treesize:5 [2021-07-10 15:40:52,021 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:40:52,021 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1721583420] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:40:52,021 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:40:52,021 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 47 [2021-07-10 15:40:52,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536132668] [2021-07-10 15:40:52,021 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-07-10 15:40:52,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:40:52,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-07-10 15:40:52,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=2029, Unknown=0, NotChecked=0, Total=2162 [2021-07-10 15:40:52,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:40:52,023 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:40:52,023 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 2.0638297872340425) internal successors, (97), 47 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:40:52,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:40:52,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:40:52,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:40:52,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:40:52,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:40:52,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:40:52,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:40:52,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:40:52,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:40:52,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:52,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:52,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 15:40:52,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-10 15:40:52,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 15:40:52,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-07-10 15:40:52,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 15:40:52,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:40:52,320 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2021-07-10 15:40:52,927 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 115 [2021-07-10 15:40:53,413 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 119 [2021-07-10 15:40:54,138 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 172 [2021-07-10 15:40:54,654 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 121 [2021-07-10 15:40:55,395 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 168 [2021-07-10 15:40:55,910 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 123 [2021-07-10 15:40:56,629 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 168 [2021-07-10 15:40:57,134 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 125 [2021-07-10 15:40:57,839 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 168 [2021-07-10 15:40:58,361 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 127 [2021-07-10 15:40:59,100 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 168 [2021-07-10 15:40:59,633 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 129 [2021-07-10 15:41:00,370 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 168 [2021-07-10 15:41:00,829 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 131 [2021-07-10 15:41:01,438 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 170 [2021-07-10 15:41:02,325 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 195 [2021-07-10 15:41:02,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:41:02,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:41:02,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:41:02,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:41:02,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:41:02,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:41:02,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:41:02,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:41:02,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:41:02,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:41:02,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:41:02,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 15:41:02,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-10 15:41:02,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 15:41:02,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-10 15:41:02,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 15:41:02,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-10 15:41:02,982 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable134 [2021-07-10 15:41:02,982 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:41:02,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:41:02,982 INFO L82 PathProgramCache]: Analyzing trace with hash 571733234, now seen corresponding path program 17 times [2021-07-10 15:41:02,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:41:02,983 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552387660] [2021-07-10 15:41:02,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:41:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:41:03,200 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 57 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:41:03,201 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:41:03,201 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552387660] [2021-07-10 15:41:03,201 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552387660] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:41:03,201 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164502237] [2021-07-10 15:41:03,201 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:41:03,249 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-07-10 15:41:03,249 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:41:03,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-10 15:41:03,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:41:03,704 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 57 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:41:03,705 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [164502237] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:41:03,705 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:41:03,705 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 43 [2021-07-10 15:41:03,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453924539] [2021-07-10 15:41:03,705 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-07-10 15:41:03,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:41:03,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-07-10 15:41:03,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=328, Invalid=1478, Unknown=0, NotChecked=0, Total=1806 [2021-07-10 15:41:03,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:41:03,706 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:41:03,706 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 2.302325581395349) internal successors, (99), 43 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:41:03,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:41:03,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:41:03,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:41:03,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:41:03,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:41:03,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:41:03,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:41:03,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:41:03,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:41:03,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:41:03,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:41:03,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 15:41:03,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-10 15:41:03,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 15:41:03,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-07-10 15:41:03,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 15:41:03,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-10 15:41:03,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:41:05,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:41:05,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:41:05,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:41:05,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:41:05,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:41:05,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:41:05,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:41:05,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:41:05,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:41:05,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:41:05,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:41:05,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 15:41:05,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-10 15:41:05,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 15:41:05,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-10 15:41:05,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 15:41:05,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-10 15:41:05,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-10 15:41:05,578 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable135 [2021-07-10 15:41:05,578 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:41:05,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:41:05,578 INFO L82 PathProgramCache]: Analyzing trace with hash 374746388, now seen corresponding path program 18 times [2021-07-10 15:41:05,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:41:05,579 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947572394] [2021-07-10 15:41:05,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:41:05,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:41:06,407 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:41:06,407 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:41:06,407 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947572394] [2021-07-10 15:41:06,407 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947572394] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:41:06,407 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1091730783] [2021-07-10 15:41:06,407 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:41:06,449 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2021-07-10 15:41:06,449 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:41:06,450 WARN L261 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 96 conjunts are in the unsatisfiable core [2021-07-10 15:41:06,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:41:09,387 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 731 DAG size of output: 28 [2021-07-10 15:41:09,388 INFO L354 Elim1Store]: treesize reduction 1629, result has 1.7 percent of original size [2021-07-10 15:41:09,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 0 disjoint index pairs (out of 171 index pairs), introduced 29 new quantified variables, introduced 171 case distinctions, treesize of input 1012 treesize of output 441 [2021-07-10 15:41:09,398 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: and 1 xjuncts. [2021-07-10 15:41:09,404 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:41:09,404 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 15:41:09,404 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:1012, output treesize:15 [2021-07-10 15:41:09,504 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:41:09,504 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1091730783] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:41:09,504 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:41:09,504 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 29] total 53 [2021-07-10 15:41:09,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646765488] [2021-07-10 15:41:09,504 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-07-10 15:41:09,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:41:09,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-07-10 15:41:09,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=2602, Unknown=0, NotChecked=0, Total=2756 [2021-07-10 15:41:09,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:41:09,505 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:41:09,506 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 2.018867924528302) internal successors, (107), 53 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:41:09,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:41:09,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:41:09,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:41:09,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:41:09,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:41:09,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:41:09,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:41:09,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:41:09,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:41:09,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:41:09,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:41:09,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 15:41:09,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-10 15:41:09,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 15:41:09,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-07-10 15:41:09,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 15:41:09,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-10 15:41:09,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-10 15:41:09,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:41:09,849 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 120 [2021-07-10 15:41:10,065 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2021-07-10 15:41:10,331 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 113 [2021-07-10 15:41:10,780 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 140 [2021-07-10 15:41:11,111 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 130 [2021-07-10 15:41:11,346 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 117 [2021-07-10 15:41:11,814 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 133 [2021-07-10 15:41:12,031 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2021-07-10 15:41:12,884 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 197 [2021-07-10 15:41:13,151 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 141 [2021-07-10 15:41:13,678 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 135 [2021-07-10 15:41:13,881 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 105 [2021-07-10 15:41:14,187 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 91 [2021-07-10 15:41:14,744 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2021-07-10 15:41:14,995 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 133 [2021-07-10 15:41:15,586 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 137 [2021-07-10 15:41:15,778 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 101 [2021-07-10 15:41:16,144 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 111 [2021-07-10 15:41:16,733 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 197 [2021-07-10 15:41:16,980 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 129 [2021-07-10 15:41:17,587 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 139 [2021-07-10 15:41:17,765 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 95 [2021-07-10 15:41:18,196 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 131 [2021-07-10 15:41:18,828 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 199 [2021-07-10 15:41:19,045 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 123 [2021-07-10 15:41:19,683 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 141 [2021-07-10 15:41:20,324 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 149 [2021-07-10 15:41:20,945 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 199 [2021-07-10 15:41:21,141 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 114 [2021-07-10 15:41:21,524 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 94 [2021-07-10 15:41:21,839 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 143 [2021-07-10 15:41:22,600 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 171 [2021-07-10 15:41:23,249 WARN L205 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 203 [2021-07-10 15:41:23,420 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 111 [2021-07-10 15:41:23,840 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 106 [2021-07-10 15:41:24,147 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 145 [2021-07-10 15:41:24,976 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 187 [2021-07-10 15:41:25,600 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 203 [2021-07-10 15:41:26,116 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 122 [2021-07-10 15:41:26,429 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 147 [2021-07-10 15:41:27,135 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 197 [2021-07-10 15:41:27,743 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 205 [2021-07-10 15:41:28,309 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 154 [2021-07-10 15:41:29,016 WARN L205 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 216 [2021-07-10 15:41:29,786 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2021-07-10 15:41:29,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:41:29,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:41:29,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:41:29,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:41:29,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:41:29,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:41:29,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:41:29,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:41:29,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:41:29,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:41:29,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:41:29,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 15:41:29,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-10 15:41:29,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 15:41:29,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-10 15:41:29,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 15:41:29,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-10 15:41:29,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-10 15:41:29,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-07-10 15:41:30,079 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable136 [2021-07-10 15:41:30,079 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:41:30,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:41:30,080 INFO L82 PathProgramCache]: Analyzing trace with hash 1767055666, now seen corresponding path program 19 times [2021-07-10 15:41:30,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:41:30,080 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507661266] [2021-07-10 15:41:30,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:41:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:41:30,337 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 73 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:41:30,337 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:41:30,337 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507661266] [2021-07-10 15:41:30,337 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507661266] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:41:30,337 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1165395636] [2021-07-10 15:41:30,338 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:41:30,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:41:30,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 24 conjunts are in the unsatisfiable core [2021-07-10 15:41:30,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:41:30,924 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 73 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:41:30,925 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1165395636] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:41:30,925 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:41:30,925 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 47 [2021-07-10 15:41:30,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655262920] [2021-07-10 15:41:30,925 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-07-10 15:41:30,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:41:30,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-07-10 15:41:30,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=392, Invalid=1770, Unknown=0, NotChecked=0, Total=2162 [2021-07-10 15:41:30,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:41:30,926 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:41:30,926 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 2.276595744680851) internal successors, (107), 47 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:41:30,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:41:30,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:41:30,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:41:30,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:41:30,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:41:30,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:41:30,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:41:30,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:41:30,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:41:30,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:41:30,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:41:30,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 15:41:30,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-10 15:41:30,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 15:41:30,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-07-10 15:41:30,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 15:41:30,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-10 15:41:30,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-10 15:41:30,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-07-10 15:41:30,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:41:32,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:41:32,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:41:32,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:41:32,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:41:32,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:41:32,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:41:32,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:41:32,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:41:32,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:41:32,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:41:32,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:41:32,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 15:41:32,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-10 15:41:32,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 15:41:32,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-10 15:41:32,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 15:41:32,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-10 15:41:32,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-10 15:41:32,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-07-10 15:41:32,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 15:41:32,861 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable137 [2021-07-10 15:41:32,861 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:41:32,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:41:32,862 INFO L82 PathProgramCache]: Analyzing trace with hash -1971631788, now seen corresponding path program 20 times [2021-07-10 15:41:32,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:41:32,862 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922536802] [2021-07-10 15:41:32,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:41:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:41:33,945 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:41:33,945 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:41:33,945 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922536802] [2021-07-10 15:41:33,945 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922536802] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:41:33,946 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477479523] [2021-07-10 15:41:33,946 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:41:33,989 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 15:41:33,989 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:41:33,990 WARN L261 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 101 conjunts are in the unsatisfiable core [2021-07-10 15:41:33,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:41:35,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:35,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:36,063 INFO L244 Elim1Store]: Index analysis took 138 ms [2021-07-10 15:41:36,484 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 270 [2021-07-10 15:41:36,484 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:41:36,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 155 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 55 case distinctions, treesize of input 125 treesize of output 679 [2021-07-10 15:41:36,679 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 369 [2021-07-10 15:41:36,825 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 384 [2021-07-10 15:41:37,229 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 1470 DAG size of output: 764 [2021-07-10 15:41:37,629 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 1486 DAG size of output: 781 [2021-07-10 15:41:39,746 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 3772 DAG size of output: 2173 [2021-07-10 15:41:41,680 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 3782 DAG size of output: 2184 [2021-07-10 15:41:45,925 WARN L205 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 8461 DAG size of output: 3923 [2021-07-10 15:41:49,927 WARN L205 SmtUtils]: Spent 3.66 s on a formula simplification. DAG size of input: 8481 DAG size of output: 3944 [2021-07-10 15:42:08,772 WARN L205 SmtUtils]: Spent 16.08 s on a formula simplification. DAG size of input: 26906 DAG size of output: 10981 [2021-07-10 15:42:27,207 WARN L205 SmtUtils]: Spent 17.33 s on a formula simplification. DAG size of input: 26924 DAG size of output: 11000 [2021-07-10 15:42:40,906 WARN L205 SmtUtils]: Spent 13.52 s on a formula simplification. DAG size of input: 10518 DAG size of output: 10514 [2021-07-10 15:42:54,375 WARN L205 SmtUtils]: Spent 13.37 s on a formula simplification. DAG size of input: 10512 DAG size of output: 10512 [2021-07-10 15:43:07,432 WARN L205 SmtUtils]: Spent 12.96 s on a formula simplification. DAG size of input: 10512 DAG size of output: 10512 [2021-07-10 15:43:11,618 WARN L205 SmtUtils]: Spent 4.14 s on a formula simplification. DAG size of input: 3116 DAG size of output: 3447 [2021-07-10 15:43:12,367 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 790 [2021-07-10 15:43:12,497 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 591 [2021-07-10 15:43:12,720 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 403 [2021-07-10 15:43:12,960 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 417 [2021-07-10 15:43:13,248 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 703 DAG size of output: 691 [2021-07-10 15:43:13,834 WARN L205 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 1068 DAG size of output: 1052 [2021-07-10 15:43:15,830 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 1593 DAG size of output: 1675 [2021-07-10 15:43:16,162 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 639 DAG size of output: 639 [2021-07-10 15:43:16,569 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 641 DAG size of output: 733 [2021-07-10 15:43:16,939 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 1102 DAG size of output: 755 [2021-07-10 15:43:17,190 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 1102 DAG size of output: 755 [2021-07-10 15:43:17,401 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 1108 DAG size of output: 322 [2021-07-10 15:43:17,741 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 901 DAG size of output: 901 [2021-07-10 15:43:18,039 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 901 DAG size of output: 901 [2021-07-10 15:43:18,410 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 776 DAG size of output: 776 [2021-07-10 15:43:18,566 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 609 DAG size of output: 609 [2021-07-10 15:43:18,952 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 1010 DAG size of output: 437 [2021-07-10 15:43:19,163 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 1104 DAG size of output: 518 [2021-07-10 15:43:19,421 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 1410 DAG size of output: 675 [2021-07-10 15:43:19,805 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 1637 DAG size of output: 810 [2021-07-10 15:43:20,154 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 1637 DAG size of output: 810 [2021-07-10 15:43:22,107 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 4143 DAG size of output: 2359 [2021-07-10 15:43:27,734 WARN L205 SmtUtils]: Spent 5.61 s on a formula simplification. DAG size of input: 8329 DAG size of output: 4340 [2021-07-10 15:43:28,765 WARN L205 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 1803 DAG size of output: 1803 [2021-07-10 15:43:31,072 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 1805 DAG size of output: 2145 [2021-07-10 15:43:32,476 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1701 DAG size of output: 1894 [2021-07-10 15:43:32,930 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 596 DAG size of output: 666 [2021-07-10 15:43:33,175 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 619 [2021-07-10 15:43:33,582 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 1003 DAG size of output: 675 [2021-07-10 15:43:33,896 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 1378 DAG size of output: 1035 [2021-07-10 15:43:35,169 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 3387 DAG size of output: 2592 [2021-07-10 15:43:37,801 WARN L205 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 4405 DAG size of output: 3576 [2021-07-10 15:43:40,455 WARN L205 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 4405 DAG size of output: 3576 [2021-07-10 15:43:43,111 WARN L205 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 4409 DAG size of output: 3580 [2021-07-10 15:43:45,534 WARN L205 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 2506 DAG size of output: 2654 [2021-07-10 15:43:45,662 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 2479 DAG size of output: 325 [2021-07-10 15:43:47,987 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 5252 DAG size of output: 2390 [2021-07-10 15:43:49,426 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1543 DAG size of output: 1614 [2021-07-10 15:43:49,862 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 1415 DAG size of output: 1415 [2021-07-10 15:43:50,182 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 420 [2021-07-10 15:43:50,502 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 554 [2021-07-10 15:43:50,622 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 471 [2021-07-10 15:43:50,927 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 921 DAG size of output: 882 [2021-07-10 15:43:51,096 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 921 DAG size of output: 882 [2021-07-10 15:43:51,549 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 939 DAG size of output: 1003 [2021-07-10 15:43:51,900 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 822 DAG size of output: 914 [2021-07-10 15:43:52,126 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 758 DAG size of output: 795 [2021-07-10 15:43:52,382 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 864 DAG size of output: 857 [2021-07-10 15:43:52,794 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 1291 DAG size of output: 1270 [2021-07-10 15:43:53,509 WARN L205 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 1718 DAG size of output: 1696 [2021-07-10 15:43:53,795 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 642 [2021-07-10 15:43:54,104 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 916 DAG size of output: 632 [2021-07-10 15:43:55,096 WARN L205 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 2820 DAG size of output: 2329 [2021-07-10 15:43:57,831 WARN L205 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 5860 DAG size of output: 3906 [2021-07-10 15:43:58,057 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 351 [2021-07-10 15:43:58,565 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 786 DAG size of output: 867 [2021-07-10 15:43:59,399 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 1540 DAG size of output: 940 [2021-07-10 15:44:00,850 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 782 DAG size of output: 782 [2021-07-10 15:44:01,299 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 784 DAG size of output: 928 [2021-07-10 15:44:01,788 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 1611 DAG size of output: 863 [2021-07-10 15:44:02,022 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 1611 DAG size of output: 863 [2021-07-10 15:44:02,360 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 1617 DAG size of output: 131 [2021-07-10 15:44:02,935 WARN L205 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 1357 DAG size of output: 1357 [2021-07-10 15:44:03,480 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 1357 DAG size of output: 1357 [2021-07-10 15:44:03,652 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 506 [2021-07-10 15:44:04,816 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 1261 DAG size of output: 769 [2021-07-10 15:44:05,112 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 1029 DAG size of output: 1029 [2021-07-10 15:44:05,927 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 657 [2021-07-10 15:44:06,088 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 892 DAG size of output: 513 [2021-07-10 15:44:06,402 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 1951 DAG size of output: 891 [2021-07-10 15:44:07,036 WARN L205 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 2915 DAG size of output: 1422 [2021-07-10 15:44:07,671 WARN L205 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 2915 DAG size of output: 1422 [2021-07-10 15:44:08,345 WARN L205 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 2921 DAG size of output: 1428 [2021-07-10 15:44:09,472 WARN L205 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 2295 DAG size of output: 1675 [2021-07-10 15:44:10,658 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 2101 DAG size of output: 2101 [2021-07-10 15:44:13,343 WARN L205 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 2103 DAG size of output: 2642 [2021-07-10 15:44:15,242 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 1891 DAG size of output: 2055 [2021-07-10 15:44:15,519 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 830 DAG size of output: 830 [2021-07-10 15:44:16,508 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 1369 DAG size of output: 1066 [2021-07-10 15:44:17,061 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 3398 DAG size of output: 247 [2021-07-10 15:44:18,931 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 4879 DAG size of output: 2076 [2021-07-10 15:44:20,815 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 4879 DAG size of output: 2076 [2021-07-10 15:44:22,812 WARN L205 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 4890 DAG size of output: 2084 [2021-07-10 15:44:23,174 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 458 [2021-07-10 15:44:23,326 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 717 DAG size of output: 616 [2021-07-10 15:44:25,881 WARN L205 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 1861 DAG size of output: 2316 [2021-07-10 15:44:26,783 WARN L205 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 1741 DAG size of output: 1741 [2021-07-10 15:44:27,250 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 1292 DAG size of output: 1292 [2021-07-10 15:44:27,474 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 940 DAG size of output: 940 [2021-07-10 15:44:27,832 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 640 [2021-07-10 15:44:28,236 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 598 [2021-07-10 15:44:28,867 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 1001 DAG size of output: 748 [2021-07-10 15:44:29,091 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 1291 DAG size of output: 1003 [2021-07-10 15:44:29,587 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 2060 DAG size of output: 1736 [2021-07-10 15:44:29,721 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 579 [2021-07-10 15:44:31,087 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 1439 DAG size of output: 1191 [2021-07-10 15:44:32,105 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 3095 DAG size of output: 2576 [2021-07-10 15:44:32,674 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 771 DAG size of output: 866 [2021-07-10 15:44:32,984 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 729 DAG size of output: 816 [2021-07-10 15:44:33,505 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 958 DAG size of output: 805 [2021-07-10 15:44:33,849 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 1452 DAG size of output: 1297 [2021-07-10 15:44:34,491 WARN L205 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 2027 DAG size of output: 1848 [2021-07-10 15:44:36,465 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 4623 DAG size of output: 3959 [2021-07-10 15:44:40,133 WARN L205 SmtUtils]: Spent 3.64 s on a formula simplification. DAG size of input: 5537 DAG size of output: 4843 [2021-07-10 15:44:44,056 WARN L205 SmtUtils]: Spent 3.90 s on a formula simplification. DAG size of input: 6085 DAG size of output: 5302 [2021-07-10 15:44:52,331 WARN L205 SmtUtils]: Spent 8.22 s on a formula simplification. DAG size of input: 29313 DAG size of output: 6299 [2021-07-10 15:45:00,574 WARN L205 SmtUtils]: Spent 8.15 s on a formula simplification. DAG size of input: 29313 DAG size of output: 6299 [2021-07-10 15:45:09,047 WARN L205 SmtUtils]: Spent 8.34 s on a formula simplification. DAG size of input: 29317 DAG size of output: 6303 [2021-07-10 15:45:13,365 WARN L205 SmtUtils]: Spent 4.29 s on a formula simplification. DAG size of input: 4068 DAG size of output: 4045 [2021-07-10 15:45:17,066 WARN L205 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 2392 DAG size of output: 2633 [2021-07-10 15:45:17,566 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 946 DAG size of output: 946 [2021-07-10 15:45:17,713 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 375 [2021-07-10 15:45:18,481 WARN L205 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 1611 DAG size of output: 980 [2021-07-10 15:45:21,777 WARN L205 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 4077 DAG size of output: 3135 [2021-07-10 15:45:22,084 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 840 DAG size of output: 841 [2021-07-10 15:45:22,585 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 1262 DAG size of output: 700 [2021-07-10 15:45:23,434 WARN L205 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 1021 DAG size of output: 1112 [2021-07-10 15:45:24,064 WARN L205 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 1311 DAG size of output: 1086 [2021-07-10 15:45:29,579 WARN L205 SmtUtils]: Spent 5.50 s on a formula simplification. DAG size of input: 6403 DAG size of output: 4447 [2021-07-10 15:45:30,122 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 2246 DAG size of output: 2257 [2021-07-10 15:45:31,151 WARN L205 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 2798 DAG size of output: 2049 [2021-07-10 15:45:38,201 WARN L205 SmtUtils]: Spent 7.03 s on a formula simplification. DAG size of input: 8869 DAG size of output: 6229 [2021-07-10 15:45:45,198 WARN L205 SmtUtils]: Spent 6.96 s on a formula simplification. DAG size of input: 8869 DAG size of output: 6229 [2021-07-10 15:45:52,611 WARN L205 SmtUtils]: Spent 7.34 s on a formula simplification. DAG size of input: 8872 DAG size of output: 6232 [2021-07-10 15:46:01,617 WARN L205 SmtUtils]: Spent 8.96 s on a formula simplification. DAG size of input: 6002 DAG size of output: 3113 [2021-07-10 15:46:02,859 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 3040 DAG size of output: 3051 [2021-07-10 15:46:04,094 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 3040 DAG size of output: 3051 [2021-07-10 15:46:05,552 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 3046 DAG size of output: 3057 [2021-07-10 15:46:06,803 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 3118 DAG size of output: 3131 [2021-07-10 15:46:07,352 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 1393 DAG size of output: 1393 [2021-07-10 15:46:08,076 WARN L205 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 1640 DAG size of output: 1294 [2021-07-10 15:46:09,733 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 3508 DAG size of output: 2693 [2021-07-10 15:46:11,268 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 3508 DAG size of output: 2693 [2021-07-10 15:46:13,457 WARN L205 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 3514 DAG size of output: 2699 [2021-07-10 15:46:14,659 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 2809 DAG size of output: 2815 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown