/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/min-max-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 06:24:27,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 06:24:27,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 06:24:28,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 06:24:28,062 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Lockstep.epf [2021-07-14 06:24:28,089 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 06:24:28,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 06:24:28,089 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 06:24:28,089 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 06:24:28,091 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 06:24:28,091 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 06:24:28,091 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 06:24:28,092 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 06:24:28,092 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 06:24:28,092 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 06:24:28,092 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 06:24:28,093 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 06:24:28,093 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 06:24:28,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 06:24:28,093 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 06:24:28,093 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 06:24:28,093 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 06:24:28,093 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 06:24:28,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 06:24:28,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 06:24:28,094 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 06:24:28,094 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 06:24:28,094 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 06:24:28,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 06:24:28,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 06:24:28,094 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 06:24:28,094 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 06:24:28,095 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 06:24:28,095 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 06:24:28,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 06:24:28,095 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 06:24:28,095 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 06:24:28,095 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 06:24:28,095 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-14 06:24:28,096 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 06:24:28,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 06:24:28,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 06:24:28,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 06:24:28,363 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 06:24:28,364 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 06:24:28,364 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/min-max-2.wvr.bpl [2021-07-14 06:24:28,365 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/min-max-2.wvr.bpl' [2021-07-14 06:24:28,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 06:24:28,382 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 06:24:28,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 06:24:28,383 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 06:24:28,383 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 06:24:28,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-max-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:24:28" (1/1) ... [2021-07-14 06:24:28,396 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-max-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:24:28" (1/1) ... [2021-07-14 06:24:28,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 06:24:28,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 06:24:28,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 06:24:28,401 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 06:24:28,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-max-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:24:28" (1/1) ... [2021-07-14 06:24:28,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-max-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:24:28" (1/1) ... [2021-07-14 06:24:28,407 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-max-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:24:28" (1/1) ... [2021-07-14 06:24:28,407 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-max-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:24:28" (1/1) ... [2021-07-14 06:24:28,409 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-max-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:24:28" (1/1) ... [2021-07-14 06:24:28,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-max-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:24:28" (1/1) ... [2021-07-14 06:24:28,411 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-max-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:24:28" (1/1) ... [2021-07-14 06:24:28,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 06:24:28,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 06:24:28,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 06:24:28,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 06:24:28,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-max-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:24:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 06:24:28,489 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 06:24:28,489 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 06:24:28,490 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 06:24:28,490 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 06:24:28,490 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 06:24:28,490 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 06:24:28,490 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 06:24:28,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 06:24:28,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 06:24:28,491 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 06:24:28,491 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 06:24:28,491 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 06:24:28,491 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-07-14 06:24:28,491 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-07-14 06:24:28,491 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-07-14 06:24:28,492 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-07-14 06:24:28,492 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-07-14 06:24:28,492 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-07-14 06:24:28,493 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 06:24:28,644 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 06:24:28,644 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 06:24:28,645 INFO L202 PluginConnector]: Adding new model min-max-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 06:24:28 BoogieIcfgContainer [2021-07-14 06:24:28,645 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 06:24:28,647 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 06:24:28,647 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 06:24:28,659 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 06:24:28,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:24:28" (1/2) ... [2021-07-14 06:24:28,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6651c3cd and model type min-max-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 06:24:28, skipping insertion in model container [2021-07-14 06:24:28,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 06:24:28" (2/2) ... [2021-07-14 06:24:28,661 INFO L111 eAbstractionObserver]: Analyzing ICFG min-max-2.wvr.bpl [2021-07-14 06:24:28,665 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 06:24:28,665 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 06:24:28,665 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 06:24:28,666 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 06:24:28,716 INFO L149 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2021-07-14 06:24:28,731 INFO L255 AbstractCegarLoop]: Starting to check reachability of 6 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 06:24:28,777 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 06:24:28,777 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 06:24:28,777 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 06:24:28,778 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 06:24:28,778 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 06:24:28,778 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 06:24:28,778 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 06:24:28,778 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 06:24:28,982 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-07-14 06:24:28,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:24:28,986 INFO L82 PathProgramCache]: Analyzing trace with hash -20361567, now seen corresponding path program 1 times [2021-07-14 06:24:28,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:24:28,992 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703631171] [2021-07-14 06:24:28,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:24:29,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:24:29,185 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 48 proven. 16 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-07-14 06:24:29,186 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:24:29,186 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703631171] [2021-07-14 06:24:29,186 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703631171] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:24:29,186 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557431244] [2021-07-14 06:24:29,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:24:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:24:29,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 06:24:29,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:24:29,514 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 47 proven. 5 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-07-14 06:24:29,515 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [557431244] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:24:29,515 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:24:29,515 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2021-07-14 06:24:29,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108974697] [2021-07-14 06:24:29,520 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 06:24:29,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:24:29,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 06:24:29,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-07-14 06:24:29,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:24:29,531 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:24:29,532 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:24:29,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:24:30,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 06:24:30,344 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-07-14 06:24:30,345 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-07-14 06:24:30,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:24:30,346 INFO L82 PathProgramCache]: Analyzing trace with hash 504484187, now seen corresponding path program 2 times [2021-07-14 06:24:30,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:24:30,346 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942145302] [2021-07-14 06:24:30,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:24:30,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:24:30,443 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 23 proven. 26 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-14 06:24:30,444 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:24:30,444 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942145302] [2021-07-14 06:24:30,444 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942145302] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:24:30,444 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [917743672] [2021-07-14 06:24:30,444 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:24:30,519 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 06:24:30,519 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:24:30,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-14 06:24:30,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:24:30,641 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 25 proven. 17 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-07-14 06:24:30,641 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [917743672] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:24:30,641 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:24:30,642 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 7 [2021-07-14 06:24:30,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526000397] [2021-07-14 06:24:30,642 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 06:24:30,642 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:24:30,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 06:24:30,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-07-14 06:24:30,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:24:30,643 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:24:30,644 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:24:30,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 06:24:30,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:24:31,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 06:24:31,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:24:31,300 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:24:31,300 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-07-14 06:24:31,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:24:31,301 INFO L82 PathProgramCache]: Analyzing trace with hash 59667751, now seen corresponding path program 3 times [2021-07-14 06:24:31,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:24:31,301 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837709382] [2021-07-14 06:24:31,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:24:31,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:24:31,384 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 58 proven. 97 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-07-14 06:24:31,385 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:24:31,385 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837709382] [2021-07-14 06:24:31,385 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837709382] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:24:31,385 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1206535799] [2021-07-14 06:24:31,385 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:24:31,486 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-14 06:24:31,486 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:24:31,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-14 06:24:31,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:24:31,707 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 60 proven. 68 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-07-14 06:24:31,708 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1206535799] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:24:31,708 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:24:31,708 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-07-14 06:24:31,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432743796] [2021-07-14 06:24:31,708 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 06:24:31,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:24:31,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 06:24:31,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-07-14 06:24:31,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:24:31,709 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:24:31,709 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 9.692307692307692) internal successors, (126), 12 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:24:31,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 06:24:31,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:24:31,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:24:33,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 06:24:33,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:24:33,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-07-14 06:24:34,026 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:24:34,027 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-07-14 06:24:34,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:24:34,027 INFO L82 PathProgramCache]: Analyzing trace with hash -1713442697, now seen corresponding path program 4 times [2021-07-14 06:24:34,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:24:34,027 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522949627] [2021-07-14 06:24:34,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:24:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:24:34,261 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 102 proven. 247 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-07-14 06:24:34,262 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:24:34,262 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522949627] [2021-07-14 06:24:34,262 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522949627] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:24:34,262 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696088831] [2021-07-14 06:24:34,262 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:24:34,316 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 06:24:34,317 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:24:34,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-14 06:24:34,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:24:34,558 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 263 proven. 47 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2021-07-14 06:24:34,559 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696088831] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:24:34,559 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:24:34,559 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 8] total 28 [2021-07-14 06:24:34,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393599272] [2021-07-14 06:24:34,559 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-14 06:24:34,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:24:34,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-14 06:24:34,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=692, Unknown=0, NotChecked=0, Total=812 [2021-07-14 06:24:34,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:24:34,561 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:24:34,561 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 5.413793103448276) internal successors, (157), 28 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:24:34,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 06:24:34,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:24:34,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-07-14 06:24:34,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:24:44,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 06:24:44,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:24:44,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-07-14 06:24:44,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-14 06:24:44,349 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:24:44,349 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-07-14 06:24:44,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:24:44,350 INFO L82 PathProgramCache]: Analyzing trace with hash -1208350954, now seen corresponding path program 5 times [2021-07-14 06:24:44,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:24:44,350 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300357718] [2021-07-14 06:24:44,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:24:44,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:24:44,797 INFO L134 CoverageAnalysis]: Checked inductivity of 789 backedges. 374 proven. 398 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-07-14 06:24:44,797 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:24:44,797 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300357718] [2021-07-14 06:24:44,797 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300357718] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:24:44,797 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1048462907] [2021-07-14 06:24:44,798 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:24:45,254 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2021-07-14 06:24:45,254 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:24:45,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 83 conjunts are in the unsatisfiable core [2021-07-14 06:24:45,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:24:46,029 INFO L134 CoverageAnalysis]: Checked inductivity of 789 backedges. 100 proven. 417 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2021-07-14 06:24:46,030 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1048462907] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:24:46,030 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:24:46,030 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 19] total 52 [2021-07-14 06:24:46,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291607457] [2021-07-14 06:24:46,030 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-07-14 06:24:46,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:24:46,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-07-14 06:24:46,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=335, Invalid=2421, Unknown=0, NotChecked=0, Total=2756 [2021-07-14 06:24:46,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:24:46,032 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:24:46,032 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 4.226415094339623) internal successors, (224), 52 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:24:46,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 06:24:46,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:24:46,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-07-14 06:24:46,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-14 06:24:46,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:24:49,147 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 17 [2021-07-14 06:25:53,275 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-07-14 06:26:02,687 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 21 [2021-07-14 06:26:06,219 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2021-07-14 06:26:09,875 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 23 [2021-07-14 06:26:17,358 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2021-07-14 06:26:48,454 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 17 [2021-07-14 06:27:00,877 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 24 [2021-07-14 06:27:56,349 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 26 [2021-07-14 06:28:05,183 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2021-07-14 06:28:26,821 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 25 [2021-07-14 06:28:35,388 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 16 [2021-07-14 06:28:37,041 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 17 [2021-07-14 06:28:38,768 WARN L205 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 19 [2021-07-14 06:29:33,968 WARN L205 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 23 [2021-07-14 06:30:02,214 WARN L205 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 22