/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-Persistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 03:51:05,311 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 03:51:05,313 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 03:51:05,342 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 03:51:05,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 03:51:05,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 03:51:05,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 03:51:05,360 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 03:51:05,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 03:51:05,363 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 03:51:05,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 03:51:05,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 03:51:05,377 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 03:51:05,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 03:51:05,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 03:51:05,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 03:51:05,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-10 03:51:05,392 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 03:51:05,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 03:51:05,393 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 03:51:05,394 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-Persistent-NoLbe.epf [2021-07-10 03:51:05,421 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 03:51:05,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 03:51:05,421 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 03:51:05,421 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 03:51:05,423 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 03:51:05,423 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 03:51:05,423 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 03:51:05,424 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 03:51:05,424 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 03:51:05,424 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 03:51:05,425 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 03:51:05,425 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 03:51:05,425 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 03:51:05,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 03:51:05,425 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 03:51:05,425 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 03:51:05,425 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 03:51:05,425 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 03:51:05,425 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 03:51:05,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 03:51:05,426 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 03:51:05,426 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 03:51:05,426 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 03:51:05,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 03:51:05,426 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 03:51:05,426 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 03:51:05,426 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 03:51:05,426 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 03:51:05,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 03:51:05,426 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 03:51:05,427 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 03:51:05,427 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 03:51:05,427 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SETS [2021-07-10 03:51:05,427 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 03:51:05,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 03:51:05,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 03:51:05,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 03:51:05,676 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 03:51:05,676 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 03:51:05,677 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl [2021-07-10 03:51:05,677 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl' [2021-07-10 03:51:05,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 03:51:05,694 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 03:51:05,695 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 03:51:05,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 03:51:05,695 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 03:51:05,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:51:05" (1/1) ... [2021-07-10 03:51:05,712 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:51:05" (1/1) ... [2021-07-10 03:51:05,717 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 03:51:05,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 03:51:05,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 03:51:05,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 03:51:05,725 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:51:05" (1/1) ... [2021-07-10 03:51:05,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:51:05" (1/1) ... [2021-07-10 03:51:05,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:51:05" (1/1) ... [2021-07-10 03:51:05,726 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:51:05" (1/1) ... [2021-07-10 03:51:05,729 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:51:05" (1/1) ... [2021-07-10 03:51:05,731 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:51:05" (1/1) ... [2021-07-10 03:51:05,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:51:05" (1/1) ... [2021-07-10 03:51:05,733 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 03:51:05,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 03:51:05,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 03:51:05,735 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 03:51:05,737 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:51:05" (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 03:51:05,789 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 03:51:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 03:51:05,789 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 03:51:05,789 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 03:51:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 03:51:05,789 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 03:51:05,789 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 03:51:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 03:51:05,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 03:51:05,790 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 03:51:05,990 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 03:51:05,991 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-10 03:51:05,991 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-10 03:51:05,991 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-10 03:51:05,992 INFO L202 PluginConnector]: Adding new model unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 03:51:05 BoogieIcfgContainer [2021-07-10 03:51:05,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 03:51:05,994 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 03:51:05,994 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 03:51:05,996 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 03:51:05,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:51:05" (1/2) ... [2021-07-10 03:51:06,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c7a88bb and model type unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 03:51:06, skipping insertion in model container [2021-07-10 03:51:06,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 03:51:05" (2/2) ... [2021-07-10 03:51:06,011 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-4.wvr.bpl [2021-07-10 03:51:06,014 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 03:51:06,015 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 03:51:06,015 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 03:51:06,015 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 03:51:06,048 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 03:51:06,070 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 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 03:51:06,126 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 03:51:06,126 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 03:51:06,126 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 03:51:06,126 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 03:51:06,126 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 03:51:06,127 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 03:51:06,127 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 03:51:06,127 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 03:51:06,181 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:51:06,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:51:06,187 INFO L82 PathProgramCache]: Analyzing trace with hash 327878231, now seen corresponding path program 1 times [2021-07-10 03:51:06,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:51:06,194 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328894921] [2021-07-10 03:51:06,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:51:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:51:06,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:51:06,328 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:51:06,328 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328894921] [2021-07-10 03:51:06,329 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328894921] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 03:51:06,329 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 03:51:06,329 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 03:51:06,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770677853] [2021-07-10 03:51:06,333 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 03:51:06,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:51:06,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 03:51:06,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 03:51:06,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:51:06,344 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:51:06,346 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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 03:51:06,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:51:06,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 03:51:06,364 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 03:51:06,364 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:51:06,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:51:06,367 INFO L82 PathProgramCache]: Analyzing trace with hash 652599305, now seen corresponding path program 1 times [2021-07-10 03:51:06,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:51:06,368 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147269459] [2021-07-10 03:51:06,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:51:06,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:51:06,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:51:06,426 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:51:06,426 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147269459] [2021-07-10 03:51:06,426 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147269459] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:51:06,426 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460092828] [2021-07-10 03:51:06,426 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 03:51:06,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:51:06,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-10 03:51:06,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:51:06,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:51:06,537 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1460092828] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:51:06,537 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:51:06,538 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-07-10 03:51:06,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331596955] [2021-07-10 03:51:06,539 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-10 03:51:06,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:51:06,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-10 03:51:06,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-10 03:51:06,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:51:06,541 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:51:06,541 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 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 03:51:06,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 03:51:06,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:51:06,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 03:51:06,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:06,798 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:51:06,798 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:51:06,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:51:06,799 INFO L82 PathProgramCache]: Analyzing trace with hash -1221187306, now seen corresponding path program 1 times [2021-07-10 03:51:06,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:51:06,799 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427810615] [2021-07-10 03:51:06,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:51:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:51:06,833 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 03:51:06,834 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:51:06,834 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427810615] [2021-07-10 03:51:06,834 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427810615] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:51:06,834 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1097545650] [2021-07-10 03:51:06,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:51:06,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:51:06,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-10 03:51:06,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:51:06,896 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 03:51:06,896 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1097545650] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:51:06,896 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:51:06,896 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-07-10 03:51:06,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116389898] [2021-07-10 03:51:06,897 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 03:51:06,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:51:06,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 03:51:06,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 03:51:06,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:51:06,898 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:51:06,898 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:51:06,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 03:51:06,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:06,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:51:06,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 03:51:06,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:06,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:07,120 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:51:07,121 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:51:07,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:51:07,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1598119496, now seen corresponding path program 2 times [2021-07-10 03:51:07,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:51:07,122 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120609166] [2021-07-10 03:51:07,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:51:07,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:51:07,170 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 03:51:07,171 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:51:07,171 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120609166] [2021-07-10 03:51:07,171 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120609166] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:51:07,171 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [908620394] [2021-07-10 03:51:07,171 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:51:07,213 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 03:51:07,214 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 03:51:07,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-10 03:51:07,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:51:07,265 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 03:51:07,266 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [908620394] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:51:07,266 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:51:07,266 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-07-10 03:51:07,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045250619] [2021-07-10 03:51:07,266 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 03:51:07,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:51:07,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 03:51:07,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-10 03:51:07,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:51:07,267 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:51:07,267 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 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 03:51:07,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 03:51:07,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:07,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:07,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:51:07,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 03:51:07,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:07,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:07,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:51:07,492 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:51:07,493 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:51:07,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:51:07,493 INFO L82 PathProgramCache]: Analyzing trace with hash -1197682858, now seen corresponding path program 3 times [2021-07-10 03:51:07,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:51:07,494 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61748082] [2021-07-10 03:51:07,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:51:07,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:51:07,547 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 03:51:07,547 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:51:07,547 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61748082] [2021-07-10 03:51:07,547 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61748082] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:51:07,547 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590792199] [2021-07-10 03:51:07,548 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 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 03:51:07,584 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 03:51:07,584 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 03:51:07,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-10 03:51:07,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:51:07,644 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 03:51:07,645 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590792199] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:51:07,645 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:51:07,645 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-07-10 03:51:07,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353782337] [2021-07-10 03:51:07,646 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-10 03:51:07,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:51:07,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-10 03:51:07,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-07-10 03:51:07,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:51:07,648 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:51:07,648 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 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 03:51:07,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 03:51:07,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:07,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:07,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:51:07,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:51:07,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 03:51:07,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:07,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:07,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:51:07,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 03:51:07,906 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:51:07,907 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:51:07,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:51:07,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1968209912, now seen corresponding path program 4 times [2021-07-10 03:51:07,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:51:07,907 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470278498] [2021-07-10 03:51:07,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:51:07,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:51:07,960 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:51:07,962 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:51:07,962 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470278498] [2021-07-10 03:51:07,962 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470278498] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:51:07,962 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781912477] [2021-07-10 03:51:07,962 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-07-10 03:51:08,006 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 03:51:08,007 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:51:08,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 03:51:08,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:51:08,156 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 03:51:08,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-07-10 03:51:08,213 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 03:51:08,214 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 03:51:08,215 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 03:51:08,215 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-07-10 03:51:08,221 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:51:08,221 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [781912477] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:51:08,221 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:51:08,222 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2021-07-10 03:51:08,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924469512] [2021-07-10 03:51:08,222 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-10 03:51:08,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:51:08,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-10 03:51:08,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-07-10 03:51:08,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:51:08,223 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:51:08,223 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 1.9166666666666667) internal successors, (23), 11 states have internal predecessors, (23), 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 03:51:08,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 03:51:08,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:08,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:08,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:51:08,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 03:51:08,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:51:08,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 03:51:08,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:08,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:08,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:51:08,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 03:51:08,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 03:51:08,494 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:51:08,494 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:51:08,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:51:08,495 INFO L82 PathProgramCache]: Analyzing trace with hash -84744810, now seen corresponding path program 5 times [2021-07-10 03:51:08,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:51:08,495 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325717346] [2021-07-10 03:51:08,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:51:08,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:51:08,553 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:51:08,553 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:51:08,554 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325717346] [2021-07-10 03:51:08,554 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325717346] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:51:08,554 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276403124] [2021-07-10 03:51:08,554 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 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 03:51:08,579 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-10 03:51:08,579 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 03:51:08,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-10 03:51:08,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:51:08,630 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:51:08,630 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1276403124] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:51:08,630 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:51:08,630 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-07-10 03:51:08,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459864970] [2021-07-10 03:51:08,630 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 03:51:08,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:51:08,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 03:51:08,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-07-10 03:51:08,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:51:08,631 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:51:08,631 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 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 03:51:08,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 03:51:08,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:08,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:08,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:51:08,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 03:51:08,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 03:51:08,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:51:08,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 03:51:08,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:08,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:08,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:51:08,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 03:51:08,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 03:51:08,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:51:08,924 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-07-10 03:51:08,925 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:51:08,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:51:08,925 INFO L82 PathProgramCache]: Analyzing trace with hash 1690948905, now seen corresponding path program 6 times [2021-07-10 03:51:08,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:51:08,926 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682676969] [2021-07-10 03:51:08,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:51:08,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:51:08,994 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 03:51:08,994 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:51:08,994 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682676969] [2021-07-10 03:51:08,994 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682676969] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:51:08,994 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [874876389] [2021-07-10 03:51:08,994 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 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 03:51:09,018 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-10 03:51:09,018 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 03:51:09,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-10 03:51:09,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:51:09,078 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 03:51:09,078 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [874876389] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:51:09,079 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:51:09,079 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-10 03:51:09,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454053895] [2021-07-10 03:51:09,079 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-10 03:51:09,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:51:09,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-10 03:51:09,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-07-10 03:51:09,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:51:09,080 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:51:09,080 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 12 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:51:09,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 03:51:09,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:09,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:09,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:51:09,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 03:51:09,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 03:51:09,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:51:09,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:51:09,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 03:51:09,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:09,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:09,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:51:09,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 03:51:09,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 03:51:09,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:51:09,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:51:09,386 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-10 03:51:09,387 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:51:09,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:51:09,387 INFO L82 PathProgramCache]: Analyzing trace with hash -775286985, now seen corresponding path program 7 times [2021-07-10 03:51:09,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:51:09,387 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355969103] [2021-07-10 03:51:09,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:51:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:51:09,461 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 03:51:09,461 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:51:09,461 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355969103] [2021-07-10 03:51:09,461 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355969103] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:51:09,461 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1064751037] [2021-07-10 03:51:09,462 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-07-10 03:51:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:51:09,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-10 03:51:09,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:51:09,553 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 03:51:09,553 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1064751037] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:51:09,553 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:51:09,553 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-07-10 03:51:09,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683408098] [2021-07-10 03:51:09,554 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-10 03:51:09,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:51:09,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-10 03:51:09,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-07-10 03:51:09,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:51:09,554 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:51:09,554 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:51:09,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 03:51:09,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:09,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:09,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:51:09,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 03:51:09,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 03:51:09,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:51:09,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:51:09,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:51:09,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 03:51:09,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:09,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:09,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:51:09,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 03:51:09,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 03:51:09,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:51:09,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:51:09,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:51:09,915 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-07-10 03:51:09,915 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:51:09,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:51:09,915 INFO L82 PathProgramCache]: Analyzing trace with hash 80811753, now seen corresponding path program 8 times [2021-07-10 03:51:09,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:51:09,916 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857114858] [2021-07-10 03:51:09,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:51:09,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:51:10,011 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 03:51:10,011 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:51:10,011 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857114858] [2021-07-10 03:51:10,011 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857114858] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:51:10,012 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [537744074] [2021-07-10 03:51:10,012 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 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 03:51:10,043 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 03:51:10,043 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 03:51:10,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 03:51:10,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:51:10,123 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 03:51:10,123 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [537744074] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:51:10,123 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:51:10,124 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-07-10 03:51:10,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557875560] [2021-07-10 03:51:10,124 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-10 03:51:10,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:51:10,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-10 03:51:10,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-07-10 03:51:10,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:51:10,125 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:51:10,125 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5) internal successors, (24), 15 states have internal predecessors, (24), 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 03:51:10,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 03:51:10,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:10,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:10,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:51:10,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 03:51:10,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 03:51:10,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:51:10,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:51:10,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:51:10,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:51:10,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 03:51:10,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:10,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:10,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:51:10,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 03:51:10,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 03:51:10,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:51:10,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:51:10,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:51:10,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:51:10,484 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-10 03:51:10,485 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:51:10,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:51:10,485 INFO L82 PathProgramCache]: Analyzing trace with hash 850068855, now seen corresponding path program 9 times [2021-07-10 03:51:10,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:51:10,485 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684872776] [2021-07-10 03:51:10,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:51:10,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:51:10,554 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:51:10,554 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:51:10,554 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684872776] [2021-07-10 03:51:10,554 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684872776] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:51:10,554 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1167203383] [2021-07-10 03:51:10,554 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 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 03:51:10,584 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-10 03:51:10,584 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 03:51:10,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-10 03:51:10,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:51:10,836 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 03:51:10,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-07-10 03:51:11,708 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 266 [2021-07-10 03:51:11,908 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 274 [2021-07-10 03:51:13,319 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 03:51:13,320 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 03:51:13,320 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 03:51:13,321 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-07-10 03:51:13,325 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:51:13,325 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1167203383] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:51:13,325 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:51:13,325 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 20 [2021-07-10 03:51:13,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247975868] [2021-07-10 03:51:13,326 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-10 03:51:13,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:51:13,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-10 03:51:13,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-07-10 03:51:13,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:51:13,327 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:51:13,327 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 20 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:51:13,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 03:51:13,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:13,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:13,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:51:13,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 03:51:13,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 03:51:13,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:51:13,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:51:13,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:51:13,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:51:13,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:51:13,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 03:51:13,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:13,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:13,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:51:13,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 03:51:13,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 03:51:13,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:51:13,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:51:13,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:51:13,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:51:13,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:51:13,636 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-07-10 03:51:13,637 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:51:13,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:51:13,637 INFO L82 PathProgramCache]: Analyzing trace with hash -1072764759, now seen corresponding path program 10 times [2021-07-10 03:51:13,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:51:13,638 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732474842] [2021-07-10 03:51:13,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:51:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:51:13,724 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:51:13,725 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:51:13,725 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732474842] [2021-07-10 03:51:13,725 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732474842] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:51:13,725 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [474261861] [2021-07-10 03:51:13,725 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 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 03:51:13,747 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 03:51:13,748 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 03:51:13,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-10 03:51:13,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:51:13,793 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:51:13,794 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [474261861] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:51:13,794 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:51:13,794 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-07-10 03:51:13,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592437312] [2021-07-10 03:51:13,794 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-10 03:51:13,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:51:13,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-10 03:51:13,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-07-10 03:51:13,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:51:13,795 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:51:13,795 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 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 03:51:13,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 03:51:13,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:13,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:13,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:51:13,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 03:51:13,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 03:51:13,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:51:13,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:51:13,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:51:13,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:51:13,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:51:13,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:51:13,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 03:51:13,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:13,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:13,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:51:13,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 03:51:13,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 03:51:13,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:51:13,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:51:13,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:51:13,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:51:13,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:51:13,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:51:14,161 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable313,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:51:14,161 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:51:14,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:51:14,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1127101558, now seen corresponding path program 11 times [2021-07-10 03:51:14,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:51:14,162 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558157310] [2021-07-10 03:51:14,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:51:14,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:51:14,275 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 03:51:14,275 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:51:14,275 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558157310] [2021-07-10 03:51:14,275 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558157310] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:51:14,275 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1952275277] [2021-07-10 03:51:14,275 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 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 03:51:14,306 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-10 03:51:14,307 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 03:51:14,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-10 03:51:14,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:51:14,431 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 03:51:14,431 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1952275277] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:51:14,431 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:51:14,431 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-07-10 03:51:14,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714633926] [2021-07-10 03:51:14,431 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-10 03:51:14,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:51:14,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-10 03:51:14,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2021-07-10 03:51:14,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:51:14,432 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:51:14,432 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.4) internal successors, (28), 19 states have internal predecessors, (28), 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 03:51:14,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 03:51:14,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:14,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:14,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:51:14,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 03:51:14,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 03:51:14,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:51:14,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:51:14,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:51:14,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:51:14,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:51:14,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:51:14,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:51:14,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 03:51:14,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:14,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:14,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:51:14,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 03:51:14,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 03:51:14,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:51:14,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:51:14,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:51:14,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:51:14,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:51:14,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:51:14,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:51:14,969 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable314 [2021-07-10 03:51:14,969 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:51:14,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:51:14,969 INFO L82 PathProgramCache]: Analyzing trace with hash 119935784, now seen corresponding path program 12 times [2021-07-10 03:51:14,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:51:14,969 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785441968] [2021-07-10 03:51:14,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:51:14,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:51:15,109 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 03:51:15,109 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:51:15,109 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785441968] [2021-07-10 03:51:15,109 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785441968] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:51:15,110 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36195846] [2021-07-10 03:51:15,116 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 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 03:51:15,156 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-10 03:51:15,156 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 03:51:15,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-10 03:51:15,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:51:15,378 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:51:15,378 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [36195846] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:51:15,379 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:51:15,379 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 26 [2021-07-10 03:51:15,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280633693] [2021-07-10 03:51:15,379 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-10 03:51:15,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:51:15,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-10 03:51:15,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=638, Unknown=0, NotChecked=0, Total=702 [2021-07-10 03:51:15,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:51:15,380 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:51:15,380 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 26 states have internal predecessors, (37), 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 03:51:15,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 03:51:15,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:15,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:15,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:51:15,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 03:51:15,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 03:51:15,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:51:15,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:51:15,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:51:15,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:51:15,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:51:15,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:51:15,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:51:15,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:51:15,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 03:51:15,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:15,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:15,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:51:15,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 03:51:15,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 03:51:15,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:51:15,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:51:15,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:51:15,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:51:15,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:51:15,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:51:15,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:51:15,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 03:51:16,032 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable315,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 03:51:16,033 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:51:16,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:51:16,033 INFO L82 PathProgramCache]: Analyzing trace with hash -1037432138, now seen corresponding path program 13 times [2021-07-10 03:51:16,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:51:16,033 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608169456] [2021-07-10 03:51:16,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:51:16,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:51:16,181 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 03:51:16,182 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:51:16,182 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608169456] [2021-07-10 03:51:16,182 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608169456] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:51:16,182 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133943382] [2021-07-10 03:51:16,182 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 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 03:51:16,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:51:16,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 23 conjunts are in the unsatisfiable core [2021-07-10 03:51:16,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:51:16,361 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 03:51:16,362 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2133943382] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:51:16,362 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 03:51:16,362 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-07-10 03:51:16,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139400842] [2021-07-10 03:51:16,362 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-10 03:51:16,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:51:16,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-10 03:51:16,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=493, Unknown=0, NotChecked=0, Total=552 [2021-07-10 03:51:16,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:51:16,363 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:51:16,363 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:51:16,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 03:51:16,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:16,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:16,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:51:16,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 03:51:16,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 03:51:16,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:51:16,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:51:16,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:51:16,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:51:16,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:51:16,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:51:16,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:51:16,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 03:51:16,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:51:16,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 03:51:16,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:16,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 03:51:16,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 03:51:16,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 03:51:16,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 03:51:16,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:51:16,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:51:16,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:51:16,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:51:16,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:51:16,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 03:51:16,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 03:51:16,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 03:51:16,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 03:51:16,932 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable316 [2021-07-10 03:51:16,933 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 03:51:16,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:51:16,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1738867944, now seen corresponding path program 14 times [2021-07-10 03:51:16,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:51:16,933 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555862893] [2021-07-10 03:51:16,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:51:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:51:17,019 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:51:17,020 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:51:17,020 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555862893] [2021-07-10 03:51:17,020 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555862893] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 03:51:17,020 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1334510992] [2021-07-10 03:51:17,020 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 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 03:51:17,058 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 03:51:17,058 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 03:51:17,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 37 conjunts are in the unsatisfiable core [2021-07-10 03:51:17,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 03:51:17,607 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-07-10 03:51:17,607 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 03:51:17,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 23 new quantified variables, introduced 66 case distinctions, treesize of input 55 treesize of output 568 [2021-07-10 03:51:18,459 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 380 [2021-07-10 03:51:18,614 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 383 [2021-07-10 03:51:19,806 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 513 [2021-07-10 03:51:20,049 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 516 [2021-07-10 03:51:20,489 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 757 [2021-07-10 03:51:21,053 WARN L205 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 938 DAG size of output: 782 [2021-07-10 03:51:21,887 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 397 [2021-07-10 03:51:22,078 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 432 [2021-07-10 03:51:22,295 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 439 [2021-07-10 03:51:23,002 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 387 [2021-07-10 03:51:23,615 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 392 [2021-07-10 03:51:23,894 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 687 [2021-07-10 03:51:24,240 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 720 [2021-07-10 03:51:24,667 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 727 [2021-07-10 03:51:25,387 WARN L205 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 1118 DAG size of output: 985 [2021-07-10 03:51:26,218 WARN L205 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 1140 DAG size of output: 1008 [2021-07-10 03:51:27,689 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1924 DAG size of output: 1536 [2021-07-10 03:51:28,778 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 483 [2021-07-10 03:51:28,979 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 486 [2021-07-10 03:51:29,762 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 347 [2021-07-10 03:51:30,142 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 711 [2021-07-10 03:51:30,593 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 737 [2021-07-10 03:51:31,282 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 367 [2021-07-10 03:51:31,427 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 402 [2021-07-10 03:51:31,612 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 408 [2021-07-10 03:51:32,727 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 363 [2021-07-10 03:51:32,956 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 657 [2021-07-10 03:51:33,256 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 690 [2021-07-10 03:51:33,628 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 696 [2021-07-10 03:51:34,252 WARN L205 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 1082 DAG size of output: 940 [2021-07-10 03:51:34,978 WARN L205 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 964 [2021-07-10 03:51:36,281 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1466 [2021-07-10 03:51:39,511 WARN L205 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 3619 DAG size of output: 2834 [2021-07-10 03:51:43,238 WARN L205 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 3664 DAG size of output: 2879 [2021-07-10 03:51:47,487 WARN L205 SmtUtils]: Spent 4.23 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-07-10 03:51:51,746 WARN L205 SmtUtils]: Spent 4.24 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-07-10 03:51:56,778 WARN L205 SmtUtils]: Spent 5.02 s on a formula simplification. DAG size of input: 3707 DAG size of output: 2922 [2021-07-10 03:52:01,471 WARN L205 SmtUtils]: Spent 4.68 s on a formula simplification. DAG size of input: 2924 DAG size of output: 2915 [2021-07-10 03:52:06,538 WARN L205 SmtUtils]: Spent 5.05 s on a formula simplification. DAG size of input: 2912 DAG size of output: 3217 [2021-07-10 03:52:14,515 WARN L205 SmtUtils]: Spent 7.96 s on a formula simplification. DAG size of input: 2696 DAG size of output: 3553 [2021-07-10 03:52:14,682 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 2516 [2021-07-10 03:52:15,765 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 278 [2021-07-10 03:52:17,628 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 2495 DAG size of output: 2494 [2021-07-10 03:52:24,056 WARN L205 SmtUtils]: Spent 6.41 s on a formula simplification. DAG size of input: 2493 DAG size of output: 3700 [2021-07-10 03:52:24,354 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 2169 DAG size of output: 2169 [2021-07-10 03:52:24,627 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 2126 DAG size of output: 2126 [2021-07-10 03:52:25,573 WARN L205 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 977 [2021-07-10 03:52:25,861 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 339 [2021-07-10 03:52:27,312 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 257 [2021-07-10 03:52:27,536 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 340 [2021-07-10 03:52:27,829 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 396 [2021-07-10 03:52:28,287 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 592 [2021-07-10 03:52:29,209 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 243 [2021-07-10 03:52:29,543 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 265 [2021-07-10 03:52:29,846 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 425 [2021-07-10 03:52:30,309 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 623 [2021-07-10 03:52:31,330 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1090 DAG size of output: 844 [2021-07-10 03:52:32,368 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 253 [2021-07-10 03:52:32,584 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 322 [2021-07-10 03:52:32,863 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 350 [2021-07-10 03:52:33,797 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 285 [2021-07-10 03:52:34,031 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 391 [2021-07-10 03:52:34,348 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 449 [2021-07-10 03:52:35,241 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 238 [2021-07-10 03:52:35,435 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 360 [2021-07-10 03:52:35,698 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 396 [2021-07-10 03:52:36,031 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 455 [2021-07-10 03:52:36,743 WARN L205 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 659 [2021-07-10 03:52:37,700 WARN L205 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 710 [2021-07-10 03:52:38,551 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 245 [2021-07-10 03:52:38,716 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 305 [2021-07-10 03:52:38,996 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 409 [2021-07-10 03:52:39,304 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 472 [2021-07-10 03:52:40,264 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 221 [2021-07-10 03:52:40,411 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 275 [2021-07-10 03:52:40,620 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 374 [2021-07-10 03:52:40,886 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 411 [2021-07-10 03:52:41,234 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 475 [2021-07-10 03:52:41,958 WARN L205 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 714 [2021-07-10 03:52:43,772 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 1682 DAG size of output: 1237 [2021-07-10 03:52:46,704 WARN L205 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 2518 DAG size of output: 1697 [2021-07-10 03:52:50,086 WARN L205 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 2537 DAG size of output: 1736 [2021-07-10 03:52:54,455 WARN L205 SmtUtils]: Spent 4.36 s on a formula simplification. DAG size of input: 2890 DAG size of output: 1831 [2021-07-10 03:52:55,540 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 700 DAG size of output: 1050 [2021-07-10 03:52:55,907 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 660 [2021-07-10 03:52:56,481 WARN L205 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 647 DAG size of output: 823 [2021-07-10 03:52:57,240 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 219 [2021-07-10 03:52:57,467 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 257 [2021-07-10 03:52:57,675 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 285 [2021-07-10 03:52:57,934 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 348 [2021-07-10 03:52:58,313 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 513 [2021-07-10 03:52:58,501 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 429 [2021-07-10 03:52:59,429 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 283 [2021-07-10 03:52:59,624 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 309 [2021-07-10 03:53:00,497 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 270 [2021-07-10 03:53:00,657 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 296 [2021-07-10 03:53:01,038 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 492 [2021-07-10 03:53:01,564 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 624 [2021-07-10 03:53:02,324 WARN L205 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 814 [2021-07-10 03:53:03,541 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 1338 DAG size of output: 1058 [2021-07-10 03:53:05,213 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 1723 DAG size of output: 1396 [2021-07-10 03:53:05,883 WARN L205 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 828 [2021-07-10 03:53:06,478 WARN L205 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 766 [2021-07-10 03:53:06,860 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 639 [2021-07-10 03:53:06,968 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 332 [2021-07-10 03:53:08,600 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 248 [2021-07-10 03:53:08,753 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 212 [2021-07-10 03:53:09,047 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 388 [2021-07-10 03:53:09,656 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 707 [2021-07-10 03:53:10,580 WARN L205 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 1357 DAG size of output: 863 [2021-07-10 03:53:11,924 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 1729 DAG size of output: 1197 [2021-07-10 03:53:15,236 WARN L205 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 2363 DAG size of output: 1672 [2021-07-10 03:53:19,071 WARN L205 SmtUtils]: Spent 3.83 s on a formula simplification. DAG size of input: 2424 DAG size of output: 1716 [2021-07-10 03:53:24,573 WARN L205 SmtUtils]: Spent 5.49 s on a formula simplification. DAG size of input: 2831 DAG size of output: 1844 [2021-07-10 03:53:35,548 WARN L205 SmtUtils]: Spent 10.96 s on a formula simplification. DAG size of input: 5382 DAG size of output: 3237 [2021-07-10 03:53:36,795 WARN L205 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 707 DAG size of output: 1000 [2021-07-10 03:53:37,356 WARN L205 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 712 [2021-07-10 03:53:38,127 WARN L205 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 877 [2021-07-10 03:53:38,615 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 729 [2021-07-10 03:53:39,409 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 262 [2021-07-10 03:53:39,607 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 300 [2021-07-10 03:53:39,830 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 374 [2021-07-10 03:53:40,699 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 229 [2021-07-10 03:53:41,509 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 344 [2021-07-10 03:53:42,420 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 334 [2021-07-10 03:53:43,497 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 369 [2021-07-10 03:53:43,937 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 560 [2021-07-10 03:53:44,736 WARN L205 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 902 DAG size of output: 726 [2021-07-10 03:53:45,695 WARN L205 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 962 DAG size of output: 768 [2021-07-10 03:53:46,906 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 1071 DAG size of output: 879 [2021-07-10 03:53:48,191 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1304 DAG size of output: 904 [2021-07-10 03:53:50,093 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 1744 DAG size of output: 1304 [2021-07-10 03:53:52,668 WARN L205 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 2015 DAG size of output: 1655 [2021-07-10 03:53:53,497 WARN L205 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 879 [2021-07-10 03:53:53,866 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 490 [2021-07-10 03:53:54,161 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 491 [2021-07-10 03:53:55,371 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 260 [2021-07-10 03:53:56,232 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 289 [2021-07-10 03:53:56,498 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 317 [2021-07-10 03:53:56,889 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 433 [2021-07-10 03:53:57,606 WARN L205 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 821 DAG size of output: 666 [2021-07-10 03:53:58,646 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 945 DAG size of output: 803 [2021-07-10 03:53:58,826 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 354 [2021-07-10 03:53:59,496 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 338 [2021-07-10 03:53:59,675 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 377 [2021-07-10 03:53:59,957 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 443 [2021-07-10 03:54:01,224 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 1314 DAG size of output: 1007 [2021-07-10 03:54:03,091 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 1586 DAG size of output: 1355 [2021-07-10 03:54:07,952 WARN L205 SmtUtils]: Spent 4.85 s on a formula simplification. DAG size of input: 2617 DAG size of output: 2064 [2021-07-10 03:54:14,676 WARN L205 SmtUtils]: Spent 6.71 s on a formula simplification. DAG size of input: 2989 DAG size of output: 2220 [2021-07-10 03:54:22,201 WARN L205 SmtUtils]: Spent 7.51 s on a formula simplification. DAG size of input: 3049 DAG size of output: 2305 [2021-07-10 03:54:22,869 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 573 [2021-07-10 03:54:23,586 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 296 [2021-07-10 03:54:23,753 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 358 [2021-07-10 03:54:24,472 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 451 [2021-07-10 03:54:25,406 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 215 [2021-07-10 03:54:25,562 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 254 [2021-07-10 03:54:25,792 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 348 [2021-07-10 03:54:26,097 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 399 [2021-07-10 03:54:26,475 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 425 [2021-07-10 03:54:26,937 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 485 [2021-07-10 03:54:27,486 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 521 [2021-07-10 03:54:28,766 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 328 [2021-07-10 03:54:29,025 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 369 [2021-07-10 03:54:29,359 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 394 [2021-07-10 03:54:29,828 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 433 [2021-07-10 03:54:30,359 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 517 [2021-07-10 03:54:31,022 WARN L205 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 580 [2021-07-10 03:54:32,341 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 978 DAG size of output: 863 [2021-07-10 03:54:33,226 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 202 [2021-07-10 03:54:33,387 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 256 [2021-07-10 03:54:33,646 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 384 [2021-07-10 03:54:33,978 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 442 [2021-07-10 03:54:34,170 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 292 [2021-07-10 03:54:34,813 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 328 [2021-07-10 03:54:35,034 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 391 [2021-07-10 03:54:35,331 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 450 [2021-07-10 03:54:36,034 WARN L205 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 639 [2021-07-10 03:54:37,123 WARN L205 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 800 DAG size of output: 715 [2021-07-10 03:54:39,580 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 1872 DAG size of output: 1482 [2021-07-10 03:54:42,784 WARN L205 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 2070 DAG size of output: 1568 [2021-07-10 03:54:42,933 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 361 [2021-07-10 03:54:43,526 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 344 [2021-07-10 03:54:43,722 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 367 [2021-07-10 03:54:44,312 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 246 [2021-07-10 03:54:44,655 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 486 [2021-07-10 03:54:45,658 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 243 [2021-07-10 03:54:45,800 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 266 [2021-07-10 03:54:45,998 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 324 [2021-07-10 03:54:46,288 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 457 [2021-07-10 03:54:46,690 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 599 [2021-07-10 03:54:47,512 WARN L205 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 817 [2021-07-10 03:54:48,661 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 1006 DAG size of output: 867 [2021-07-10 03:54:49,862 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 388 [2021-07-10 03:54:50,085 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 406 [2021-07-10 03:54:50,362 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 422 [2021-07-10 03:54:50,722 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 470 [2021-07-10 03:54:52,447 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 1433 DAG size of output: 1082 [2021-07-10 03:54:57,530 WARN L205 SmtUtils]: Spent 5.07 s on a formula simplification. DAG size of input: 2994 DAG size of output: 2129 [2021-07-10 03:55:03,287 WARN L205 SmtUtils]: Spent 5.75 s on a formula simplification. DAG size of input: 3038 DAG size of output: 2179 [2021-07-10 03:55:17,584 WARN L205 SmtUtils]: Spent 14.28 s on a formula simplification. DAG size of input: 5719 DAG size of output: 3928 [2021-07-10 03:55:45,168 WARN L205 SmtUtils]: Spent 27.56 s on a formula simplification. DAG size of input: 8989 DAG size of output: 5710 [2021-07-10 03:55:46,160 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 329 [2021-07-10 03:55:46,338 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 340 [2021-07-10 03:56:17,103 WARN L205 SmtUtils]: Spent 30.75 s on a formula simplification. DAG size of input: 9287 DAG size of output: 5929 [2021-07-10 03:56:53,591 WARN L205 SmtUtils]: Spent 36.44 s on a formula simplification. DAG size of input: 10982 DAG size of output: 7649 [2021-07-10 03:56:54,633 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 295 [2021-07-10 03:56:54,833 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 410 [2021-07-10 03:56:55,067 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 416 [2021-07-10 03:57:32,110 WARN L205 SmtUtils]: Spent 37.02 s on a formula simplification. DAG size of input: 11394 DAG size of output: 7943 [2021-07-10 03:58:09,988 WARN L205 SmtUtils]: Spent 37.83 s on a formula simplification. DAG size of input: 11649 DAG size of output: 8097 [2021-07-10 03:58:54,720 WARN L205 SmtUtils]: Spent 44.68 s on a formula simplification. DAG size of input: 12976 DAG size of output: 9218 [2021-07-10 03:58:58,148 WARN L205 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1636 [2021-07-10 03:58:58,303 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 1238 [2021-07-10 03:58:59,674 WARN L205 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 1216 [2021-07-10 03:59:00,280 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 240 [2021-07-10 03:59:03,146 WARN L205 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 1215 DAG size of output: 1779 [2021-07-10 03:59:03,294 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 1093 DAG size of output: 1093 [2021-07-10 03:59:03,436 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 1052 DAG size of output: 1052 [2021-07-10 03:59:04,493 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 686 DAG size of output: 991 [2021-07-10 03:59:05,160 WARN L205 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 739 [2021-07-10 03:59:06,062 WARN L205 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 766 [2021-07-10 03:59:06,796 WARN L205 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 791 [2021-07-10 03:59:07,125 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 441 [2021-07-10 03:59:07,802 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2021-07-10 03:59:07,972 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 291 [2021-07-10 03:59:08,332 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 348 [2021-07-10 03:59:08,666 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 453 [2021-07-10 03:59:09,070 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 477 [2021-07-10 03:59:10,540 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 417 [2021-07-10 03:59:10,845 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 435 [2021-07-10 03:59:11,625 WARN L205 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 758 [2021-07-10 03:59:12,636 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 1152 DAG size of output: 843 [2021-07-10 03:59:14,023 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1015 [2021-07-10 03:59:14,889 WARN L205 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 765 [2021-07-10 03:59:15,928 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 675 DAG size of output: 790 [2021-07-10 03:59:16,217 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 428 [2021-07-10 03:59:16,850 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 281 [2021-07-10 03:59:17,058 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 391 [2021-07-10 03:59:17,399 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 464 [2021-07-10 03:59:17,633 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 267 [2021-07-10 03:59:18,246 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2021-07-10 03:59:18,415 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2021-07-10 03:59:19,193 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 265 [2021-07-10 03:59:19,373 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 290 [2021-07-10 03:59:19,761 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 384 [2021-07-10 03:59:20,652 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 261 [2021-07-10 03:59:21,149 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 319 [2021-07-10 03:59:21,431 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 344 [2021-07-10 03:59:22,197 WARN L205 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 516 [2021-07-10 03:59:23,173 WARN L205 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 578 [2021-07-10 03:59:24,423 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 819 DAG size of output: 697 [2021-07-10 03:59:26,078 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 1184 DAG size of output: 905 [2021-07-10 03:59:28,197 WARN L205 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 1312 DAG size of output: 996 [2021-07-10 03:59:30,854 WARN L205 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 1416 DAG size of output: 1170 [2021-07-10 03:59:35,264 WARN L205 SmtUtils]: Spent 4.40 s on a formula simplification. DAG size of input: 1833 DAG size of output: 1517 [2021-07-10 03:59:41,197 WARN L205 SmtUtils]: Spent 5.92 s on a formula simplification. DAG size of input: 2174 DAG size of output: 1614 [2021-07-10 03:59:41,589 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 546 [2021-07-10 03:59:41,781 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 391 [2021-07-10 03:59:41,976 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 417 [2021-07-10 03:59:42,304 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 455 [2021-07-10 03:59:43,750 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 216 [2021-07-10 03:59:43,920 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 246 [2021-07-10 03:59:44,157 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 330 [2021-07-10 03:59:44,542 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 454 [2021-07-10 03:59:45,056 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 572 [2021-07-10 03:59:45,334 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 323 [2021-07-10 03:59:46,482 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 162 [2021-07-10 03:59:46,645 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 220 [2021-07-10 03:59:46,840 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 247 [2021-07-10 03:59:47,122 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 336 [2021-07-10 03:59:47,479 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 404 [2021-07-10 03:59:48,600 WARN L205 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 847 DAG size of output: 578 [2021-07-10 03:59:49,790 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 933 DAG size of output: 641 [2021-07-10 03:59:51,196 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 960 DAG size of output: 668 [2021-07-10 03:59:53,075 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 1138 DAG size of output: 701 [2021-07-10 03:59:53,299 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 487 [2021-07-10 03:59:53,545 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-07-10 03:59:53,708 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-07-10 03:59:53,884 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 362 [2021-07-10 03:59:54,939 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 219 [2021-07-10 03:59:55,127 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 243 [2021-07-10 03:59:55,371 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 341 [2021-07-10 03:59:55,708 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 403 [2021-07-10 03:59:56,173 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 476 [2021-07-10 03:59:56,343 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-07-10 03:59:56,514 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-07-10 03:59:57,544 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 313 [2021-07-10 03:59:57,713 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 333 [2021-07-10 03:59:57,967 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 401 [2021-07-10 03:59:58,340 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 471 [2021-07-10 03:59:59,291 WARN L205 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 837 DAG size of output: 632 [2021-07-10 04:00:00,570 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1009 DAG size of output: 667 [2021-07-10 04:00:03,773 WARN L205 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 1961 DAG size of output: 1076 [2021-07-10 04:00:13,064 WARN L205 SmtUtils]: Spent 9.28 s on a formula simplification. DAG size of input: 3390 DAG size of output: 2173 [2021-07-10 04:00:24,141 WARN L205 SmtUtils]: Spent 10.71 s on a formula simplification. DAG size of input: 3507 DAG size of output: 2263 [2021-07-10 04:00:36,594 WARN L205 SmtUtils]: Spent 12.43 s on a formula simplification. DAG size of input: 4235 DAG size of output: 2787 [2021-07-10 04:00:49,505 WARN L205 SmtUtils]: Spent 12.89 s on a formula simplification. DAG size of input: 4456 DAG size of output: 2926 [2021-07-10 04:01:02,583 WARN L205 SmtUtils]: Spent 13.06 s on a formula simplification. DAG size of input: 4635 DAG size of output: 3051 [2021-07-10 04:01:17,532 WARN L205 SmtUtils]: Spent 14.93 s on a formula simplification. DAG size of input: 5120 DAG size of output: 3306 [2021-07-10 04:02:19,910 WARN L205 SmtUtils]: Spent 1.04 m on a formula simplification. DAG size of input: 16679 DAG size of output: 11341 [2021-07-10 04:03:27,622 WARN L205 SmtUtils]: Spent 1.13 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 [2021-07-10 04:04:35,479 WARN L205 SmtUtils]: Spent 1.13 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown