/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 13:53:20,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 13:53:20,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 13:53:20,682 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 13:53:20,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 13:53:20,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 13:53:20,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 13:53:20,700 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 13:53:20,702 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 13:53:20,703 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 13:53:20,705 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 13:53:20,709 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 13:53:20,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 13:53:20,711 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 13:53:20,712 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 13:53:20,714 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 13:53:20,718 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-10 13:53:20,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 13:53:20,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 13:53:20,725 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 13:53:20,726 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf [2021-07-10 13:53:20,754 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 13:53:20,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 13:53:20,754 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 13:53:20,754 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 13:53:20,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 13:53:20,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 13:53:20,757 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 13:53:20,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 13:53:20,757 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 13:53:20,757 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 13:53:20,758 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 13:53:20,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 13:53:20,758 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 13:53:20,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 13:53:20,758 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 13:53:20,758 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 13:53:20,758 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 13:53:20,758 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 13:53:20,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 13:53:20,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 13:53:20,759 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 13:53:20,759 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 13:53:20,759 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 13:53:20,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 13:53:20,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 13:53:20,759 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 13:53:20,759 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 13:53:20,759 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 13:53:20,768 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-10 13:53:20,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 13:53:20,769 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 13:53:20,769 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 13:53:20,769 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 13:53:20,769 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-10 13:53:20,769 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-10 13:53:20,769 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 13:53:21,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 13:53:21,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 13:53:21,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 13:53:21,035 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 13:53:21,036 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 13:53:21,036 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl [2021-07-10 13:53:21,036 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl' [2021-07-10 13:53:21,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 13:53:21,065 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 13:53:21,066 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 13:53:21,066 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 13:53:21,066 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 13:53:21,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:53:21" (1/1) ... [2021-07-10 13:53:21,080 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:53:21" (1/1) ... [2021-07-10 13:53:21,085 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 13:53:21,086 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 13:53:21,086 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 13:53:21,086 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 13:53:21,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:53:21" (1/1) ... [2021-07-10 13:53:21,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:53:21" (1/1) ... [2021-07-10 13:53:21,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:53:21" (1/1) ... [2021-07-10 13:53:21,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:53:21" (1/1) ... [2021-07-10 13:53:21,095 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:53:21" (1/1) ... [2021-07-10 13:53:21,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:53:21" (1/1) ... [2021-07-10 13:53:21,098 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:53:21" (1/1) ... [2021-07-10 13:53:21,099 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 13:53:21,101 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 13:53:21,101 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 13:53:21,101 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 13:53:21,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:53:21" (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 13:53:21,171 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 13:53:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 13:53:21,172 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 13:53:21,172 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 13:53:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 13:53:21,172 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 13:53:21,172 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 13:53:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 13:53:21,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 13:53:21,173 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 13:53:21,397 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 13:53:21,398 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-10 13:53:21,398 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-10 13:53:21,398 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-10 13:53:21,400 INFO L202 PluginConnector]: Adding new model unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 01:53:21 BoogieIcfgContainer [2021-07-10 13:53:21,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 13:53:21,401 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 13:53:21,401 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 13:53:21,403 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 13:53:21,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:53:21" (1/2) ... [2021-07-10 13:53:21,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16e61add and model type unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 01:53:21, skipping insertion in model container [2021-07-10 13:53:21,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 01:53:21" (2/2) ... [2021-07-10 13:53:21,405 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-3.wvr.bpl [2021-07-10 13:53:21,408 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 13:53:21,408 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 13:53:21,408 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 13:53:21,409 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 13:53:21,426 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 13:53:21,443 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 13:53:21,553 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 13:53:21,553 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 13:53:21,553 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 13:53:21,553 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 13:53:21,553 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 13:53:21,553 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 13:53:21,553 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 13:53:21,553 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 13:53:21,615 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:53:21,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:53:21,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1893131829, now seen corresponding path program 1 times [2021-07-10 13:53:21,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:53:21,632 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544095913] [2021-07-10 13:53:21,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:53:21,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:53:21,763 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 13:53:21,763 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:53:21,764 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544095913] [2021-07-10 13:53:21,764 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544095913] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 13:53:21,764 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 13:53:21,764 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 13:53:21,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981791803] [2021-07-10 13:53:21,768 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 13:53:21,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:53:21,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 13:53:21,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 13:53:21,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:53:21,777 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:53:21,779 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 13:53:21,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:53:21,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 13:53:21,800 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 13:53:21,800 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:53:21,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:53:21,801 INFO L82 PathProgramCache]: Analyzing trace with hash -1419383770, now seen corresponding path program 1 times [2021-07-10 13:53:21,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:53:21,801 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691327707] [2021-07-10 13:53:21,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:53:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:53:21,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:53:21,848 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:53:21,848 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691327707] [2021-07-10 13:53:21,848 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691327707] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 13:53:21,848 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 13:53:21,848 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 13:53:21,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620938442] [2021-07-10 13:53:21,849 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 13:53:21,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:53:21,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 13:53:21,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 13:53:21,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:53:21,854 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:53:21,854 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 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 13:53:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 13:53:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:53:21,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 13:53:21,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:21,894 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 13:53:21,894 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:53:21,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:53:21,895 INFO L82 PathProgramCache]: Analyzing trace with hash 1483153780, now seen corresponding path program 1 times [2021-07-10 13:53:21,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:53:21,895 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081432537] [2021-07-10 13:53:21,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:53:21,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:53:21,977 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:53:21,977 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:53:21,978 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081432537] [2021-07-10 13:53:21,978 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081432537] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:53:21,978 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367498429] [2021-07-10 13:53:21,978 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 13:53:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:53:22,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-10 13:53:22,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:53:22,130 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:53:22,130 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367498429] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:53:22,130 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:53:22,130 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-07-10 13:53:22,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744984105] [2021-07-10 13:53:22,131 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 13:53:22,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:53:22,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 13:53:22,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-10 13:53:22,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:53:22,131 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:53:22,131 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 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 13:53:22,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 13:53:22,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:22,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:53:22,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 13:53:22,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:22,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:22,373 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:53:22,373 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:53:22,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:53:22,373 INFO L82 PathProgramCache]: Analyzing trace with hash -1301983224, now seen corresponding path program 2 times [2021-07-10 13:53:22,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:53:22,374 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608787591] [2021-07-10 13:53:22,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:53:22,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:53:22,401 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 13:53:22,401 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:53:22,401 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608787591] [2021-07-10 13:53:22,401 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608787591] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:53:22,401 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [838722606] [2021-07-10 13:53:22,402 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:53:22,431 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 13:53:22,431 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:53:22,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-10 13:53:22,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:53:22,528 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:53:22,528 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [838722606] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:53:22,529 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:53:22,529 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2021-07-10 13:53:22,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314898237] [2021-07-10 13:53:22,530 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-10 13:53:22,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:53:22,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-10 13:53:22,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-07-10 13:53:22,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:53:22,535 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:53:22,535 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:53:22,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 13:53:22,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:22,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:22,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:53:22,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 13:53:22,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:22,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:22,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:53:22,803 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:53:22,804 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:53:22,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:53:22,804 INFO L82 PathProgramCache]: Analyzing trace with hash -1741884428, now seen corresponding path program 3 times [2021-07-10 13:53:22,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:53:22,805 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569819865] [2021-07-10 13:53:22,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:53:22,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:53:22,844 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:53:22,844 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:53:22,844 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569819865] [2021-07-10 13:53:22,844 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569819865] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:53:22,844 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1267196785] [2021-07-10 13:53:22,844 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:53:22,894 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 13:53:22,894 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:53:22,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-10 13:53:22,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:53:23,026 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 13:53:23,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-07-10 13:53:23,047 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:53:23,048 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 13:53:23,049 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:53:23,049 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-07-10 13:53:23,057 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:53:23,058 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1267196785] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:53:23,058 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:53:23,058 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 9 [2021-07-10 13:53:23,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740493598] [2021-07-10 13:53:23,058 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 13:53:23,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:53:23,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 13:53:23,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-07-10 13:53:23,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:53:23,059 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:53:23,059 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 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 13:53:23,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 13:53:23,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:23,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:23,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:53:23,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:53:23,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 13:53:23,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:23,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:23,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:53:23,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:23,308 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:53:23,309 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:53:23,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:53:23,310 INFO L82 PathProgramCache]: Analyzing trace with hash -2010374999, now seen corresponding path program 4 times [2021-07-10 13:53:23,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:53:23,310 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097483983] [2021-07-10 13:53:23,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:53:23,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:53:23,373 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:53:23,373 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:53:23,373 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097483983] [2021-07-10 13:53:23,373 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097483983] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:53:23,373 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1511953338] [2021-07-10 13:53:23,374 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:53:23,414 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 13:53:23,414 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:53:23,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-10 13:53:23,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:53:23,504 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:53:23,505 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1511953338] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:53:23,505 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:53:23,505 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-07-10 13:53:23,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216647241] [2021-07-10 13:53:23,505 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-10 13:53:23,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:53:23,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-10 13:53:23,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-07-10 13:53:23,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:53:23,506 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:53:23,506 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 10 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 13:53:23,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 13:53:23,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:23,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:23,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:53:23,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:23,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:53:23,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 13:53:23,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:23,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:23,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:53:23,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:23,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:53:23,792 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:53:23,793 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:53:23,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:53:23,793 INFO L82 PathProgramCache]: Analyzing trace with hash -358615575, now seen corresponding path program 5 times [2021-07-10 13:53:23,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:53:23,793 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982501315] [2021-07-10 13:53:23,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:53:23,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:53:23,846 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 13:53:23,847 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:53:23,847 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982501315] [2021-07-10 13:53:23,847 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982501315] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:53:23,847 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [276229157] [2021-07-10 13:53:23,847 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:53:23,895 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-10 13:53:23,895 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:53:23,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-10 13:53:23,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:53:23,961 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 13:53:23,962 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [276229157] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:53:23,962 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:53:23,962 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-10 13:53:23,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418361267] [2021-07-10 13:53:23,962 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-10 13:53:23,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:53:23,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-10 13:53:23,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-07-10 13:53:23,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:53:23,963 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:53:23,963 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 13:53:23,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 13:53:23,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:23,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:23,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:53:23,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:23,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:53:23,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:53:24,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 13:53:24,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:24,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:24,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:53:24,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:24,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:53:24,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:53:24,305 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:53:24,305 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:53:24,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:53:24,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1732708915, now seen corresponding path program 6 times [2021-07-10 13:53:24,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:53:24,306 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476652846] [2021-07-10 13:53:24,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:53:24,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:53:24,352 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:53:24,352 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:53:24,352 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476652846] [2021-07-10 13:53:24,352 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476652846] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:53:24,352 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188421378] [2021-07-10 13:53:24,352 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:53:24,390 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-10 13:53:24,390 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:53:24,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 23 conjunts are in the unsatisfiable core [2021-07-10 13:53:24,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:53:24,554 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 13:53:24,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 31 treesize of output 142 [2021-07-10 13:53:24,877 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:53:24,879 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 13:53:24,879 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:53:24,879 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-07-10 13:53:24,885 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:53:24,885 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [188421378] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:53:24,885 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:53:24,885 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 16 [2021-07-10 13:53:24,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586641645] [2021-07-10 13:53:24,885 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-10 13:53:24,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:53:24,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-10 13:53:24,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-07-10 13:53:24,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:53:24,886 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:53:24,886 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.7058823529411764) internal successors, (29), 16 states have internal predecessors, (29), 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 13:53:24,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 13:53:24,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:24,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:24,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:53:24,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:24,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:53:24,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:53:24,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:53:24,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 13:53:24,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:24,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:24,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:53:24,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:24,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:53:24,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:53:24,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:53:25,145 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-07-10 13:53:25,145 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:53:25,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:53:25,145 INFO L82 PathProgramCache]: Analyzing trace with hash 2104021096, now seen corresponding path program 7 times [2021-07-10 13:53:25,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:53:25,146 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391572507] [2021-07-10 13:53:25,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:53:25,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:53:25,234 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 1 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:53:25,234 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:53:25,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391572507] [2021-07-10 13:53:25,235 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391572507] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:53:25,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135227844] [2021-07-10 13:53:25,235 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:53:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:53:25,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 13:53:25,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:53:25,494 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:53:25,494 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2135227844] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:53:25,494 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:53:25,494 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 15 [2021-07-10 13:53:25,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032639343] [2021-07-10 13:53:25,495 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-10 13:53:25,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:53:25,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-10 13:53:25,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2021-07-10 13:53:25,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:53:25,495 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:53:25,495 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.625) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:53:25,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 13:53:25,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:25,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:25,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:53:25,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:25,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:53:25,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:53:25,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:53:25,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:53:25,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 13:53:25,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:25,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:25,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:53:25,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:25,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:53:25,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:53:25,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:53:25,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:53:25,802 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2021-07-10 13:53:25,802 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:53:25,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:53:25,803 INFO L82 PathProgramCache]: Analyzing trace with hash -364885484, now seen corresponding path program 8 times [2021-07-10 13:53:25,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:53:25,803 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385232714] [2021-07-10 13:53:25,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:53:25,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:53:25,892 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:53:25,892 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:53:25,892 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385232714] [2021-07-10 13:53:25,892 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385232714] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:53:25,892 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193688170] [2021-07-10 13:53:25,892 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:53:25,919 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 13:53:25,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:53:25,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-10 13:53:25,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:53:26,329 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-07-10 13:53:26,330 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 13:53:26,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 43 treesize of output 319 [2021-07-10 13:53:27,192 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 278 [2021-07-10 13:53:27,325 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 285 [2021-07-10 13:53:27,469 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 285 [2021-07-10 13:53:27,619 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 295 [2021-07-10 13:53:27,762 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 264 [2021-07-10 13:53:28,870 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 241 [2021-07-10 13:53:29,005 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 293 [2021-07-10 13:53:30,058 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 241 [2021-07-10 13:53:30,203 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 273 [2021-07-10 13:53:30,343 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 273 [2021-07-10 13:53:30,505 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 279 [2021-07-10 13:53:30,691 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 270 [2021-07-10 13:53:31,674 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 276 [2021-07-10 13:53:31,839 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 276 [2021-07-10 13:53:31,976 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 495 DAG size of output: 280 [2021-07-10 13:53:32,414 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:53:32,415 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 13:53:32,415 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:53:32,415 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-07-10 13:53:32,420 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:53:32,420 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193688170] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:53:32,420 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:53:32,420 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14] total 23 [2021-07-10 13:53:32,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354749730] [2021-07-10 13:53:32,420 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-10 13:53:32,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:53:32,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-10 13:53:32,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=495, Unknown=0, NotChecked=0, Total=552 [2021-07-10 13:53:32,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:53:32,421 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:53:32,421 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.5416666666666667) internal successors, (37), 23 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 13:53:32,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 13:53:32,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:32,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:32,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:53:32,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:32,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:53:32,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:53:32,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:53:32,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:53:32,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:53:32,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 13:53:32,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:32,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:32,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:53:32,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:32,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:53:32,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:53:32,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:53:32,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:53:32,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:53:32,708 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:53:32,709 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:53:32,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:53:32,709 INFO L82 PathProgramCache]: Analyzing trace with hash -252056119, now seen corresponding path program 9 times [2021-07-10 13:53:32,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:53:32,709 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505172038] [2021-07-10 13:53:32,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:53:32,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:53:32,865 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 3 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:53:32,865 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:53:32,865 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505172038] [2021-07-10 13:53:32,865 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505172038] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:53:32,865 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [382480457] [2021-07-10 13:53:32,865 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:53:32,894 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-10 13:53:32,894 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:53:32,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-10 13:53:32,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:53:32,983 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 6 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:53:32,983 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [382480457] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:53:32,983 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:53:32,983 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 20 [2021-07-10 13:53:32,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132520423] [2021-07-10 13:53:32,984 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-10 13:53:32,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:53:32,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-10 13:53:32,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2021-07-10 13:53:32,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:53:32,985 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:53:32,985 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 20 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:53:32,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 13:53:32,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:32,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:32,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:53:32,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:32,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:53:32,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:53:32,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:53:32,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:53:32,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:53:32,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:53:33,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 13:53:33,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:33,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:33,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:53:33,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:33,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:53:33,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:53:33,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:53:33,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:53:33,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:53:33,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 13:53:33,328 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable686 [2021-07-10 13:53:33,328 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:53:33,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:53:33,329 INFO L82 PathProgramCache]: Analyzing trace with hash 1463680777, now seen corresponding path program 10 times [2021-07-10 13:53:33,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:53:33,329 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407544849] [2021-07-10 13:53:33,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:53:33,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:53:33,473 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-10 13:53:33,473 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:53:33,473 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407544849] [2021-07-10 13:53:33,473 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407544849] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:53:33,473 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1973488716] [2021-07-10 13:53:33,473 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:53:33,500 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 13:53:33,501 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:53:33,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 25 conjunts are in the unsatisfiable core [2021-07-10 13:53:33,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:53:33,663 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-10 13:53:33,663 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1973488716] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:53:33,663 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:53:33,663 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-07-10 13:53:33,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217111955] [2021-07-10 13:53:33,664 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-10 13:53:33,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:53:33,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-10 13:53:33,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2021-07-10 13:53:33,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:53:33,664 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:53:33,665 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.32) internal successors, (33), 24 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 13:53:33,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 13:53:33,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:33,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:33,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:53:33,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:33,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:53:33,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:53:33,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:53:33,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:53:33,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:53:33,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 13:53:33,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:53:34,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 13:53:34,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:34,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:34,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:53:34,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:53:34,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:53:34,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:53:34,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:53:34,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:53:34,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:53:34,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 13:53:34,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 13:53:34,276 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable687 [2021-07-10 13:53:34,277 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:53:34,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:53:34,277 INFO L82 PathProgramCache]: Analyzing trace with hash -1905646317, now seen corresponding path program 11 times [2021-07-10 13:53:34,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:53:34,277 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799315138] [2021-07-10 13:53:34,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:53:34,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:53:34,380 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:53:34,380 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:53:34,380 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799315138] [2021-07-10 13:53:34,380 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799315138] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:53:34,380 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1134338369] [2021-07-10 13:53:34,380 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:53:34,409 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-10 13:53:34,409 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:53:34,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 39 conjunts are in the unsatisfiable core [2021-07-10 13:53:34,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:53:35,081 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-07-10 13:53:35,081 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 13:53:35,081 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 13:53:36,208 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 553 DAG size of output: 343 [2021-07-10 13:53:36,397 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 582 DAG size of output: 372 [2021-07-10 13:53:37,422 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 337 [2021-07-10 13:53:37,597 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 364 [2021-07-10 13:53:38,002 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 1033 DAG size of output: 619 [2021-07-10 13:53:38,489 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 1043 DAG size of output: 624 [2021-07-10 13:53:39,637 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 529 DAG size of output: 527 [2021-07-10 13:53:40,468 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 314 [2021-07-10 13:53:40,869 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 945 DAG size of output: 745 [2021-07-10 13:53:41,299 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 969 DAG size of output: 769 [2021-07-10 13:53:42,158 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 519 DAG size of output: 322 [2021-07-10 13:53:43,340 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 534 [2021-07-10 13:53:43,722 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 752 [2021-07-10 13:53:44,190 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 980 DAG size of output: 778 [2021-07-10 13:53:45,191 WARN L205 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 1815 DAG size of output: 1411 [2021-07-10 13:53:46,394 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 1825 DAG size of output: 1419 [2021-07-10 13:53:48,360 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 2733 DAG size of output: 1906 [2021-07-10 13:53:50,657 WARN L205 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 2763 DAG size of output: 1936 [2021-07-10 13:53:53,306 WARN L205 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 2790 DAG size of output: 1963 [2021-07-10 13:53:56,329 WARN L205 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 2801 DAG size of output: 1974 [2021-07-10 13:53:59,725 WARN L205 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 2827 DAG size of output: 1998 [2021-07-10 13:54:03,142 WARN L205 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 2827 DAG size of output: 1998 [2021-07-10 13:54:07,016 WARN L205 SmtUtils]: Spent 3.87 s on a formula simplification. DAG size of input: 2840 DAG size of output: 2011 [2021-07-10 13:54:08,130 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 2013 DAG size of output: 2150 [2021-07-10 13:54:11,183 WARN L205 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 2008 DAG size of output: 2005 [2021-07-10 13:54:13,320 WARN L205 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 2002 DAG size of output: 2347 [2021-07-10 13:54:17,704 WARN L205 SmtUtils]: Spent 4.37 s on a formula simplification. DAG size of input: 1999 DAG size of output: 2441 [2021-07-10 13:54:19,112 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1995 DAG size of output: 2001 [2021-07-10 13:54:22,175 WARN L205 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 1992 DAG size of output: 2011 [2021-07-10 13:54:22,473 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 1989 DAG size of output: 1989 [2021-07-10 13:54:22,609 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 1984 [2021-07-10 13:54:22,870 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 1962 DAG size of output: 1962 [2021-07-10 13:54:26,166 WARN L205 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 1953 DAG size of output: 2305 [2021-07-10 13:54:26,298 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 1076 DAG size of output: 1076 [2021-07-10 13:54:26,441 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 1053 DAG size of output: 1053 [2021-07-10 13:54:26,629 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 1031 DAG size of output: 1031 [2021-07-10 13:54:28,580 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 1409 DAG size of output: 575 [2021-07-10 13:54:29,076 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 1420 DAG size of output: 584 [2021-07-10 13:54:30,043 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 1603 DAG size of output: 662 [2021-07-10 13:54:30,680 WARN L205 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 1620 DAG size of output: 679 [2021-07-10 13:54:31,453 WARN L205 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 1680 DAG size of output: 746 [2021-07-10 13:54:32,383 WARN L205 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 1709 DAG size of output: 769 [2021-07-10 13:54:34,243 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 2355 DAG size of output: 1207 [2021-07-10 13:54:36,624 WARN L205 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 2852 DAG size of output: 1424 [2021-07-10 13:54:39,343 WARN L205 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 2858 DAG size of output: 1428 [2021-07-10 13:54:42,741 WARN L205 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 3044 DAG size of output: 1578 [2021-07-10 13:54:46,148 WARN L205 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 3044 DAG size of output: 1578 [2021-07-10 13:54:50,130 WARN L205 SmtUtils]: Spent 3.97 s on a formula simplification. DAG size of input: 3055 DAG size of output: 1590 [2021-07-10 13:54:50,267 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 1583 [2021-07-10 13:54:53,396 WARN L205 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 1585 DAG size of output: 1658 [2021-07-10 13:54:56,467 WARN L205 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 1565 DAG size of output: 1614 [2021-07-10 13:54:56,903 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 1531 DAG size of output: 1526 [2021-07-10 13:54:59,247 WARN L205 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 1390 DAG size of output: 1324 [2021-07-10 13:55:01,400 WARN L205 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 1321 DAG size of output: 1007 [2021-07-10 13:55:01,725 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 269 [2021-07-10 13:55:02,726 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 234 [2021-07-10 13:55:02,960 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 377 [2021-07-10 13:55:03,180 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 400 [2021-07-10 13:55:03,365 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 327 [2021-07-10 13:55:03,982 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 581 DAG size of output: 288 [2021-07-10 13:55:04,788 WARN L205 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 1111 DAG size of output: 701 [2021-07-10 13:55:05,695 WARN L205 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 1123 DAG size of output: 715 [2021-07-10 13:55:06,376 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 232 [2021-07-10 13:55:06,551 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 273 [2021-07-10 13:55:06,804 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 240 [2021-07-10 13:55:07,195 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 216 [2021-07-10 13:55:07,664 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 234 [2021-07-10 13:55:07,841 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 237 [2021-07-10 13:55:08,072 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-07-10 13:55:08,456 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 398 [2021-07-10 13:55:08,838 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 398 [2021-07-10 13:55:09,398 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 694 DAG size of output: 545 [2021-07-10 13:55:10,994 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 1691 DAG size of output: 1148 [2021-07-10 13:55:12,994 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 1798 DAG size of output: 1244 [2021-07-10 13:55:15,454 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 1926 DAG size of output: 1352 [2021-07-10 13:55:17,888 WARN L205 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 1926 DAG size of output: 1352 [2021-07-10 13:55:21,815 WARN L205 SmtUtils]: Spent 3.91 s on a formula simplification. DAG size of input: 1937 DAG size of output: 1305 [2021-07-10 13:55:23,305 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1223 DAG size of output: 1120 [2021-07-10 13:55:25,098 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 1012 DAG size of output: 906 [2021-07-10 13:55:25,757 WARN L205 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 899 DAG size of output: 860 [2021-07-10 13:55:27,032 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 763 DAG size of output: 845 [2021-07-10 13:55:27,325 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 202 [2021-07-10 13:55:27,882 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 253 [2021-07-10 13:55:28,123 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 250 [2021-07-10 13:55:28,494 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2021-07-10 13:55:28,627 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 172 [2021-07-10 13:55:29,415 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 284 [2021-07-10 13:55:29,646 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 649 DAG size of output: 328 [2021-07-10 13:55:29,753 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 227 [2021-07-10 13:55:30,483 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 164 [2021-07-10 13:55:30,708 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 282 [2021-07-10 13:55:31,302 WARN L205 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 858 DAG size of output: 535 [2021-07-10 13:55:32,039 WARN L205 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 866 DAG size of output: 542 [2021-07-10 13:55:32,225 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 279 [2021-07-10 13:55:33,931 WARN L205 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 1020 DAG size of output: 630 [2021-07-10 13:55:35,197 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 1153 DAG size of output: 730 [2021-07-10 13:55:36,459 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 1153 DAG size of output: 730 [2021-07-10 13:55:37,847 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1155 DAG size of output: 732 [2021-07-10 13:55:39,259 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 729 DAG size of output: 729 [2021-07-10 13:55:39,648 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 439 DAG size of output: 292 [2021-07-10 13:55:40,526 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 420 [2021-07-10 13:55:40,708 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 258 [2021-07-10 13:55:40,821 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 233 [2021-07-10 13:55:41,911 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 186 [2021-07-10 13:55:42,082 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 593 DAG size of output: 281 [2021-07-10 13:55:42,257 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 593 DAG size of output: 281 [2021-07-10 13:55:42,607 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 598 DAG size of output: 346 [2021-07-10 13:55:43,011 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 225 [2021-07-10 13:55:43,120 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 229 [2021-07-10 13:55:43,709 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 198 [2021-07-10 13:55:43,916 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 286 [2021-07-10 13:55:44,122 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 286 [2021-07-10 13:55:44,349 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 292 [2021-07-10 13:55:44,612 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 334 [2021-07-10 13:55:44,836 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 343 [2021-07-10 13:55:45,045 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 318 [2021-07-10 13:55:45,189 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 266 [2021-07-10 13:55:45,308 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 249 [2021-07-10 13:55:45,835 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 239 [2021-07-10 13:55:45,949 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 239 [2021-07-10 13:55:46,065 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 257 [2021-07-10 13:55:46,256 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:55:46,258 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 13:55:46,258 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:55:46,258 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:3 [2021-07-10 13:55:46,263 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:55:46,263 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1134338369] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:55:46,263 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:55:46,263 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 18] total 30 [2021-07-10 13:55:46,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541450417] [2021-07-10 13:55:46,264 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-10 13:55:46,264 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:55:46,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-10 13:55:46,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=855, Unknown=0, NotChecked=0, Total=930 [2021-07-10 13:55:46,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:55:46,264 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:55:46,265 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 30 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:55:46,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 13:55:46,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:55:46,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:55:46,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:55:46,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:55:46,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:55:46,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:55:46,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:55:46,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:55:46,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:55:46,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 13:55:46,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 13:55:46,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:55:46,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 13:55:46,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:55:46,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:55:46,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:55:46,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:55:46,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:55:46,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:55:46,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:55:46,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:55:46,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:55:46,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 13:55:46,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 13:55:46,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:55:46,585 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable688 [2021-07-10 13:55:46,586 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:55:46,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:55:46,586 INFO L82 PathProgramCache]: Analyzing trace with hash -1819220408, now seen corresponding path program 12 times [2021-07-10 13:55:46,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:55:46,586 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635328769] [2021-07-10 13:55:46,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:55:46,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:55:46,776 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 6 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:55:46,777 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:55:46,777 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635328769] [2021-07-10 13:55:46,777 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635328769] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:55:46,777 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262361383] [2021-07-10 13:55:46,777 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:55:46,809 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-10 13:55:46,809 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:55:46,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-10 13:55:46,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:55:46,914 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 10 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:55:46,914 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [262361383] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:55:46,914 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:55:46,914 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 25 [2021-07-10 13:55:46,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455356812] [2021-07-10 13:55:46,914 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-10 13:55:46,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:55:46,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-10 13:55:46,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=479, Unknown=0, NotChecked=0, Total=650 [2021-07-10 13:55:46,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:55:46,915 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:55:46,915 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 25 states have internal predecessors, (36), 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 13:55:46,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 13:55:46,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:55:46,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:55:46,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:55:46,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:55:46,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:55:46,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:55:46,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:55:46,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:55:46,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:55:46,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 13:55:46,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 13:55:46,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:55:46,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:55:47,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 13:55:47,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:55:47,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:55:47,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:55:47,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:55:47,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:55:47,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:55:47,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:55:47,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:55:47,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:55:47,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 13:55:47,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 13:55:47,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:55:47,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 13:55:47,383 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3716 [2021-07-10 13:55:47,383 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:55:47,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:55:47,384 INFO L82 PathProgramCache]: Analyzing trace with hash 1292494900, now seen corresponding path program 13 times [2021-07-10 13:55:47,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:55:47,384 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662921055] [2021-07-10 13:55:47,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:55:47,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:55:47,530 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:55:47,531 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:55:47,531 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662921055] [2021-07-10 13:55:47,531 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662921055] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:55:47,531 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [911532207] [2021-07-10 13:55:47,531 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:55:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:55:47,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 47 conjunts are in the unsatisfiable core [2021-07-10 13:55:47,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:55:48,795 WARN L205 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 451 [2021-07-10 13:55:48,795 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 13:55:48,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 29 new quantified variables, introduced 105 case distinctions, treesize of input 67 treesize of output 889 [2021-07-10 13:55:50,412 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 253 [2021-07-10 13:55:50,598 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 301 [2021-07-10 13:55:50,831 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 336 [2021-07-10 13:55:52,438 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 298 [2021-07-10 13:55:52,671 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 331 [2021-07-10 13:55:53,172 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 469 [2021-07-10 13:55:54,152 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 292 [2021-07-10 13:55:55,139 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 369 [2021-07-10 13:55:55,459 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 443 DAG size of output: 397 [2021-07-10 13:55:57,200 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 301 [2021-07-10 13:55:57,458 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 371 [2021-07-10 13:55:57,786 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 401 [2021-07-10 13:55:58,482 WARN L205 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 573 [2021-07-10 13:55:59,852 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1029 DAG size of output: 813 [2021-07-10 13:56:01,444 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 1064 DAG size of output: 848 [2021-07-10 13:56:02,901 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 255 [2021-07-10 13:56:03,092 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 312 [2021-07-10 13:56:03,337 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 345 [2021-07-10 13:56:05,047 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 309 [2021-07-10 13:56:05,328 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 393 [2021-07-10 13:56:05,685 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 421 [2021-07-10 13:56:06,363 WARN L205 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 554 [2021-07-10 13:56:07,802 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 297 [2021-07-10 13:56:08,030 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 363 [2021-07-10 13:56:08,308 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 426 DAG size of output: 407 [2021-07-10 13:56:09,795 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 278 [2021-07-10 13:56:10,032 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 344 [2021-07-10 13:56:10,315 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 426 DAG size of output: 388 [2021-07-10 13:56:10,951 WARN L205 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 628 DAG size of output: 563 [2021-07-10 13:56:12,445 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1039 DAG size of output: 880 [2021-07-10 13:56:15,775 WARN L205 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 1848 DAG size of output: 1480 [2021-07-10 13:56:19,661 WARN L205 SmtUtils]: Spent 3.87 s on a formula simplification. DAG size of input: 1883 DAG size of output: 1513 [2021-07-10 13:56:24,120 WARN L205 SmtUtils]: Spent 4.45 s on a formula simplification. DAG size of input: 1917 DAG size of output: 1547 [2021-07-10 13:56:25,536 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 312 [2021-07-10 13:56:25,737 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 341 [2021-07-10 13:56:27,014 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 266 [2021-07-10 13:56:27,382 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 421 [2021-07-10 13:56:28,581 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 300 [2021-07-10 13:56:28,755 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 346 [2021-07-10 13:56:29,970 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 264 [2021-07-10 13:56:30,118 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 310 [2021-07-10 13:56:30,484 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 444 [2021-07-10 13:56:31,328 WARN L205 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 753 DAG size of output: 651 [2021-07-10 13:56:32,615 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 256 [2021-07-10 13:56:33,863 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 251 [2021-07-10 13:56:34,113 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 337 [2021-07-10 13:56:35,481 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 291 [2021-07-10 13:56:35,665 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 322 [2021-07-10 13:56:36,984 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 286 [2021-07-10 13:56:37,164 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 315 [2021-07-10 13:56:37,557 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 439 [2021-07-10 13:56:38,298 WARN L205 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 725 DAG size of output: 571 [2021-07-10 13:56:39,173 WARN L205 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 609 [2021-07-10 13:56:40,973 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 1284 DAG size of output: 971 [2021-07-10 13:56:43,094 WARN L205 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 1320 DAG size of output: 1005 [2021-07-10 13:56:45,587 WARN L205 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 1357 DAG size of output: 1042 [2021-07-10 13:56:53,326 WARN L205 SmtUtils]: Spent 7.73 s on a formula simplification. DAG size of input: 2959 DAG size of output: 2238 [2021-07-10 13:57:02,109 WARN L205 SmtUtils]: Spent 8.77 s on a formula simplification. DAG size of input: 2993 DAG size of output: 2270 [2021-07-10 13:57:11,870 WARN L205 SmtUtils]: Spent 9.75 s on a formula simplification. DAG size of input: 3024 DAG size of output: 2299 [2021-07-10 13:57:22,715 WARN L205 SmtUtils]: Spent 10.83 s on a formula simplification. DAG size of input: 3054 DAG size of output: 2327 [2021-07-10 13:57:33,546 WARN L205 SmtUtils]: Spent 10.82 s on a formula simplification. DAG size of input: 3054 DAG size of output: 2327 [2021-07-10 13:57:46,748 WARN L205 SmtUtils]: Spent 13.19 s on a formula simplification. DAG size of input: 3079 DAG size of output: 2352 [2021-07-10 13:57:59,827 WARN L205 SmtUtils]: Spent 13.06 s on a formula simplification. DAG size of input: 2354 DAG size of output: 2363 [2021-07-10 13:58:35,881 WARN L205 SmtUtils]: Spent 36.03 s on a formula simplification. DAG size of input: 2345 DAG size of output: 3486 [2021-07-10 13:58:54,489 WARN L205 SmtUtils]: Spent 18.59 s on a formula simplification. DAG size of input: 2122 DAG size of output: 3082 [2021-07-10 13:59:14,955 WARN L205 SmtUtils]: Spent 20.44 s on a formula simplification. DAG size of input: 2118 DAG size of output: 3300 [2021-07-10 13:59:33,126 WARN L205 SmtUtils]: Spent 18.15 s on a formula simplification. DAG size of input: 2112 DAG size of output: 2949 [2021-07-10 13:59:33,493 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 2104 [2021-07-10 14:00:01,206 WARN L205 SmtUtils]: Spent 27.70 s on a formula simplification. DAG size of input: 2076 DAG size of output: 2858 [2021-07-10 14:00:19,085 WARN L205 SmtUtils]: Spent 17.86 s on a formula simplification. DAG size of input: 1979 DAG size of output: 2740 [2021-07-10 14:00:35,818 WARN L205 SmtUtils]: Spent 16.71 s on a formula simplification. DAG size of input: 1958 DAG size of output: 2444 [2021-07-10 14:00:52,505 WARN L205 SmtUtils]: Spent 16.67 s on a formula simplification. DAG size of input: 1938 DAG size of output: 2763 [2021-07-10 14:01:00,303 WARN L205 SmtUtils]: Spent 7.78 s on a formula simplification. DAG size of input: 1930 DAG size of output: 1839 [2021-07-10 14:01:00,849 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 1812 [2021-07-10 14:01:01,532 WARN L205 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 1782 DAG size of output: 1782 [2021-07-10 14:01:01,939 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 1268 DAG size of output: 1268 [2021-07-10 14:01:07,582 WARN L205 SmtUtils]: Spent 5.43 s on a formula simplification. DAG size of input: 1237 DAG size of output: 2125 [2021-07-10 14:01:07,991 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 1231 DAG size of output: 1231 [2021-07-10 14:01:12,553 WARN L205 SmtUtils]: Spent 4.52 s on a formula simplification. DAG size of input: 1203 DAG size of output: 2086 [2021-07-10 14:01:17,340 WARN L205 SmtUtils]: Spent 4.77 s on a formula simplification. DAG size of input: 1198 DAG size of output: 1515 [2021-07-10 14:01:22,262 WARN L205 SmtUtils]: Spent 4.91 s on a formula simplification. DAG size of input: 1194 DAG size of output: 1508 [2021-07-10 14:01:22,612 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 1002 DAG size of output: 1002 [2021-07-10 14:01:23,781 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 622 DAG size of output: 710 [2021-07-10 14:01:25,391 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 620 DAG size of output: 971 [2021-07-10 14:01:26,928 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 619 DAG size of output: 814 [2021-07-10 14:01:27,091 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 614 [2021-07-10 14:01:28,439 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 318 [2021-07-10 14:01:29,227 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 261 [2021-07-10 14:01:29,911 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 281 [2021-07-10 14:01:30,188 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 374 [2021-07-10 14:01:30,768 WARN L205 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 715 DAG size of output: 519 [2021-07-10 14:01:31,626 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 250 [2021-07-10 14:01:31,766 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 255 [2021-07-10 14:01:32,640 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 424 DAG size of output: 321 [2021-07-10 14:01:33,600 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 226 [2021-07-10 14:01:33,742 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 263 [2021-07-10 14:01:34,573 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 244 [2021-07-10 14:01:34,723 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 282 [2021-07-10 14:01:35,046 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 376 [2021-07-10 14:01:35,730 WARN L205 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 733 DAG size of output: 524 [2021-07-10 14:01:37,116 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 997 DAG size of output: 720 [2021-07-10 14:01:37,771 WARN L205 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 435 [2021-07-10 14:01:39,132 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 312 [2021-07-10 14:01:40,605 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 258 [2021-07-10 14:01:40,757 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 263 [2021-07-10 14:01:41,002 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 323 [2021-07-10 14:01:41,498 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 425 [2021-07-10 14:01:41,628 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 417 [2021-07-10 14:01:41,920 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 303 [2021-07-10 14:01:43,298 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 225 [2021-07-10 14:01:43,517 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 294 [2021-07-10 14:01:43,793 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 332 [2021-07-10 14:01:45,087 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 272 [2021-07-10 14:01:45,310 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 311 [2021-07-10 14:01:45,867 WARN L205 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 464 [2021-07-10 14:01:47,066 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 959 DAG size of output: 697 [2021-07-10 14:01:49,769 WARN L205 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 1720 DAG size of output: 1194 [2021-07-10 14:01:49,978 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 606 [2021-07-10 14:01:50,430 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 349 [2021-07-10 14:01:51,021 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 247 [2021-07-10 14:01:51,820 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 312 [2021-07-10 14:01:52,092 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 316 [2021-07-10 14:01:52,849 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 252 [2021-07-10 14:01:53,540 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 317 [2021-07-10 14:01:53,954 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 470 [2021-07-10 14:01:54,484 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 596 DAG size of output: 477 [2021-07-10 14:01:55,761 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 288 [2021-07-10 14:01:56,595 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 314 [2021-07-10 14:01:56,900 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 319 [2021-07-10 14:01:57,741 WARN L205 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 832 DAG size of output: 587 [2021-07-10 14:01:59,327 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 291 [2021-07-10 14:01:59,453 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 267 [2021-07-10 14:01:59,573 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 239 [2021-07-10 14:02:00,310 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 250 [2021-07-10 14:02:01,095 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 333 [2021-07-10 14:02:01,541 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 436 [2021-07-10 14:02:02,087 WARN L205 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 460 [2021-07-10 14:02:02,325 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 253 [2021-07-10 14:02:02,984 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 229 [2021-07-10 14:02:03,725 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 248 [2021-07-10 14:02:03,923 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 336 [2021-07-10 14:02:04,183 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 342 [2021-07-10 14:02:05,130 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 481 DAG size of output: 343 [2021-07-10 14:02:05,516 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 367 [2021-07-10 14:02:06,567 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 833 DAG size of output: 618 [2021-07-10 14:02:08,779 WARN L205 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 1424 DAG size of output: 997 [2021-07-10 14:02:14,337 WARN L205 SmtUtils]: Spent 5.55 s on a formula simplification. DAG size of input: 2319 DAG size of output: 1544 [2021-07-10 14:02:14,507 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 545 DAG size of output: 545 [2021-07-10 14:02:15,989 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 224 [2021-07-10 14:02:17,744 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 228 [2021-07-10 14:02:18,064 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 287 [2021-07-10 14:02:18,511 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 338 [2021-07-10 14:02:20,923 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 227 [2021-07-10 14:02:21,150 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 266 [2021-07-10 14:02:21,444 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 347 [2021-07-10 14:02:22,177 WARN L205 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 698 DAG size of output: 504 [2021-07-10 14:02:22,505 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 339 [2021-07-10 14:02:23,776 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 231 [2021-07-10 14:02:24,915 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 235 [2021-07-10 14:02:25,198 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 322 [2021-07-10 14:02:25,992 WARN L205 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 447 [2021-07-10 14:02:27,458 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 228 [2021-07-10 14:02:27,798 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 222 [2021-07-10 14:02:28,037 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 306 [2021-07-10 14:02:28,295 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 230 [2021-07-10 14:02:29,340 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 244 [2021-07-10 14:02:30,202 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 222 [2021-07-10 14:02:30,509 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 340 [2021-07-10 14:02:31,092 WARN L205 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 672 DAG size of output: 474 [2021-07-10 14:02:32,126 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 786 DAG size of output: 562 [2021-07-10 14:02:34,189 WARN L205 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 1315 DAG size of output: 893 [2021-07-10 14:02:42,772 WARN L205 SmtUtils]: Spent 8.57 s on a formula simplification. DAG size of input: 3402 DAG size of output: 2219 [2021-07-10 14:02:55,097 WARN L205 SmtUtils]: Spent 12.31 s on a formula simplification. DAG size of input: 4261 DAG size of output: 3009 [2021-07-10 14:03:11,859 WARN L205 SmtUtils]: Spent 16.74 s on a formula simplification. DAG size of input: 5206 DAG size of output: 3925 [2021-07-10 14:03:33,227 WARN L205 SmtUtils]: Spent 21.34 s on a formula simplification. DAG size of input: 6147 DAG size of output: 4510 [2021-07-10 14:03:57,216 WARN L205 SmtUtils]: Spent 23.95 s on a formula simplification. DAG size of input: 6182 DAG size of output: 4546 [2021-07-10 14:03:57,604 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 1227 DAG size of output: 1227 [2021-07-10 14:03:57,928 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 1198 DAG size of output: 1198 [2021-07-10 14:03:59,407 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 657 DAG size of output: 806 [2021-07-10 14:03:59,681 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 249 [2021-07-10 14:04:00,518 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 325 [2021-07-10 14:04:01,478 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 386 [2021-07-10 14:04:01,818 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 326 [2021-07-10 14:04:03,575 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 285 [2021-07-10 14:04:03,723 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 283 [2021-07-10 14:04:04,073 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 408 [2021-07-10 14:04:04,851 WARN L205 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 561 [2021-07-10 14:04:05,122 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 250 [2021-07-10 14:04:05,276 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 227 [2021-07-10 14:04:06,117 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 255 [2021-07-10 14:04:06,274 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 224 [2021-07-10 14:04:07,180 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 221 [2021-07-10 14:04:08,125 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 287 [2021-07-10 14:04:08,458 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 329 [2021-07-10 14:04:09,012 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 430 [2021-07-10 14:04:10,478 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 310 [2021-07-10 14:04:11,394 WARN L205 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 619 DAG size of output: 546 [2021-07-10 14:04:13,371 WARN L205 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 1092 DAG size of output: 916 [2021-07-10 14:04:16,571 WARN L205 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 1323 DAG size of output: 1268 [2021-07-10 14:04:18,553 WARN L205 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 714 DAG size of output: 881 [2021-07-10 14:04:19,840 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 291 [2021-07-10 14:04:20,538 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 328 [2021-07-10 14:04:20,784 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 334 [2021-07-10 14:04:21,217 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 345 [2021-07-10 14:04:21,498 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 324 [2021-07-10 14:04:21,807 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 354 [2021-07-10 14:04:22,089 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 321 [2021-07-10 14:04:23,337 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 257 [2021-07-10 14:04:23,590 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 309 [2021-07-10 14:04:24,552 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 258 [2021-07-10 14:04:24,723 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 264 [2021-07-10 14:04:25,134 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 382 [2021-07-10 14:04:25,431 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 347 [2021-07-10 14:04:25,681 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 314 [2021-07-10 14:04:26,669 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 253 [2021-07-10 14:04:27,472 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 348 [2021-07-10 14:04:27,746 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 354 [2021-07-10 14:04:28,525 WARN L205 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 436 [2021-07-10 14:04:29,678 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 693 DAG size of output: 573 [2021-07-10 14:04:31,101 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 888 DAG size of output: 695 [2021-07-10 14:04:32,130 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 298 [2021-07-10 14:04:32,257 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 304 [2021-07-10 14:04:33,365 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 378 [2021-07-10 14:04:33,664 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 393 [2021-07-10 14:04:33,982 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 364 [2021-07-10 14:04:34,090 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 294 [2021-07-10 14:04:34,384 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 382 [2021-07-10 14:04:34,635 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 301 [2021-07-10 14:04:35,767 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 230 [2021-07-10 14:04:35,947 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 272 [2021-07-10 14:04:36,223 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 345 [2021-07-10 14:04:37,684 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 278 [2021-07-10 14:04:38,089 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 400 [2021-07-10 14:04:39,561 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 237 [2021-07-10 14:04:39,727 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 242 [2021-07-10 14:04:39,871 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 247 [2021-07-10 14:04:40,052 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 277 [2021-07-10 14:04:40,726 WARN L205 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 474 [2021-07-10 14:04:41,680 WARN L205 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 677 DAG size of output: 599 [2021-07-10 14:04:43,166 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 914 DAG size of output: 805 [2021-07-10 14:04:46,424 WARN L205 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 1578 DAG size of output: 1173 [2021-07-10 14:04:51,171 WARN L205 SmtUtils]: Spent 4.74 s on a formula simplification. DAG size of input: 1866 DAG size of output: 1552 [2021-07-10 14:05:00,467 WARN L205 SmtUtils]: Spent 9.24 s on a formula simplification. DAG size of input: 2940 DAG size of output: 2588 [2021-07-10 14:05:11,235 WARN L205 SmtUtils]: Spent 10.73 s on a formula simplification. DAG size of input: 2968 DAG size of output: 2618 [2021-07-10 14:05:51,375 WARN L205 SmtUtils]: Spent 40.11 s on a formula simplification. DAG size of input: 8402 DAG size of output: 6273 [2021-07-10 14:06:36,105 WARN L205 SmtUtils]: Spent 44.68 s on a formula simplification. DAG size of input: 8492 DAG size of output: 6351 [2021-07-10 14:06:36,332 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 763 [2021-07-10 14:06:36,518 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 731 DAG size of output: 731 [2021-07-10 14:06:38,588 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 702 DAG size of output: 1025 [2021-07-10 14:06:40,113 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 698 DAG size of output: 914 [2021-07-10 14:06:40,292 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 692 DAG size of output: 692 [2021-07-10 14:06:40,674 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 325 [2021-07-10 14:06:40,967 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 316 [2021-07-10 14:06:42,869 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 206 [2021-07-10 14:06:43,704 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 237 [2021-07-10 14:06:44,037 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 344 [2021-07-10 14:06:44,636 WARN L205 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 482 [2021-07-10 14:06:45,085 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 386 [2021-07-10 14:06:45,383 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 329 [2021-07-10 14:06:47,623 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 232 [2021-07-10 14:06:47,836 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 286 [2021-07-10 14:06:48,116 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 327 [2021-07-10 14:06:50,310 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 360 [2021-07-10 14:06:51,011 WARN L205 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 484 [2021-07-10 14:06:52,055 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 704 DAG size of output: 629 [2021-07-10 14:06:53,958 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 1009 DAG size of output: 898 [2021-07-10 14:06:55,814 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 249 [2021-07-10 14:06:56,062 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 327 [2021-07-10 14:06:57,137 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 298 [2021-07-10 14:06:57,670 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 468 [2021-07-10 14:06:58,018 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 359 [2021-07-10 14:06:58,252 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 317 [2021-07-10 14:06:58,484 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 316 [2021-07-10 14:07:00,412 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 193 [2021-07-10 14:07:01,119 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 290 [2021-07-10 14:07:01,448 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 374 [2021-07-10 14:07:01,747 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 372 [2021-07-10 14:07:03,219 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 262 [2021-07-10 14:07:04,544 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 471 DAG size of output: 306 [2021-07-10 14:07:05,176 WARN L205 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 391 [2021-07-10 14:07:06,200 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 750 DAG size of output: 516 [2021-07-10 14:07:07,641 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 870 DAG size of output: 675 [2021-07-10 14:07:09,882 WARN L205 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 1157 DAG size of output: 948 [2021-07-10 14:07:14,816 WARN L205 SmtUtils]: Spent 4.93 s on a formula simplification. DAG size of input: 1924 DAG size of output: 1646 [2021-07-10 14:07:21,357 WARN L205 SmtUtils]: Spent 6.53 s on a formula simplification. DAG size of input: 2158 DAG size of output: 1979 [2021-07-10 14:07:23,578 WARN L205 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 696 DAG size of output: 953 [2021-07-10 14:07:25,367 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 692 DAG size of output: 825 [2021-07-10 14:07:26,636 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 689 DAG size of output: 822 [2021-07-10 14:07:27,647 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 687 DAG size of output: 806 [2021-07-10 14:07:27,826 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 655 DAG size of output: 655 [2021-07-10 14:07:29,496 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 293 [2021-07-10 14:07:30,890 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 239 [2021-07-10 14:07:31,260 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 383 [2021-07-10 14:07:31,500 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 308 [2021-07-10 14:07:32,667 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 225 [2021-07-10 14:07:33,004 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 372 [2021-07-10 14:07:34,526 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 254 [2021-07-10 14:07:34,886 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 378 [2021-07-10 14:07:35,773 WARN L205 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 881 DAG size of output: 639 [2021-07-10 14:07:37,347 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 685 DAG size of output: 1005 [2021-07-10 14:07:37,521 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 682 [2021-07-10 14:07:39,102 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 299 [2021-07-10 14:07:41,053 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 324 [2021-07-10 14:07:41,516 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 673 DAG size of output: 486 [2021-07-10 14:07:41,688 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 681 DAG size of output: 681 [2021-07-10 14:07:43,008 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 299 [2021-07-10 14:07:44,674 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 316 [2021-07-10 14:07:45,138 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 672 DAG size of output: 486 [2021-07-10 14:07:46,198 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 966 DAG size of output: 640 [2021-07-10 14:07:48,369 WARN L205 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 1382 DAG size of output: 835 [2021-07-10 14:07:48,554 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 655 DAG size of output: 655 [2021-07-10 14:07:50,609 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 197 [2021-07-10 14:07:51,281 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 227 [2021-07-10 14:07:51,455 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 257 [2021-07-10 14:07:51,748 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 340 [2021-07-10 14:07:52,098 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 329 [2021-07-10 14:07:53,686 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 259 [2021-07-10 14:07:53,988 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 331 [2021-07-10 14:07:55,544 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 255 [2021-07-10 14:07:55,952 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 359 [2021-07-10 14:07:56,780 WARN L205 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 545 [2021-07-10 14:07:58,749 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 248 [2021-07-10 14:08:00,249 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 186 [2021-07-10 14:08:01,067 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 236 Received shutdown request... [2021-07-10 14:08:01,452 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 373 [2021-07-10 14:08:02,879 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1037 DAG size of output: 762 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown