/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-NewStatesSleepPersistent-NoLbe-Lockstep.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-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 12:54:54,185 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 12:54:54,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 12:54:54,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 12:54:54,277 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-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-07-14 12:54:54,306 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 12:54:54,306 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 12:54:54,307 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 12:54:54,307 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 12:54:54,309 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 12:54:54,309 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 12:54:54,309 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 12:54:54,310 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 12:54:54,310 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 12:54:54,310 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 12:54:54,310 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 12:54:54,311 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 12:54:54,311 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 12:54:54,311 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 12:54:54,311 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 12:54:54,311 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 12:54:54,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 12:54:54,311 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 12:54:54,311 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 12:54:54,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 12:54:54,312 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 12:54:54,312 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 12:54:54,312 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 12:54:54,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 12:54:54,312 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 12:54:54,312 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 12:54:54,312 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 12:54:54,313 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 12:54:54,313 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 12:54:54,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 12:54:54,313 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 12:54:54,313 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 12:54:54,313 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 12:54:54,313 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-14 12:54:54,314 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 12:54:54,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 12:54:54,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 12:54:54,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 12:54:54,622 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 12:54:54,623 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 12:54:54,624 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl [2021-07-14 12:54:54,624 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl' [2021-07-14 12:54:54,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 12:54:54,652 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 12:54:54,653 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 12:54:54,653 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 12:54:54,653 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 12:54:54,662 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 14.07 12:54:54" (1/1) ... [2021-07-14 12:54:54,668 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 14.07 12:54:54" (1/1) ... [2021-07-14 12:54:54,674 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 12:54:54,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 12:54:54,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 12:54:54,676 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 12:54:54,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 12:54:54" (1/1) ... [2021-07-14 12:54:54,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 12:54:54" (1/1) ... [2021-07-14 12:54:54,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 12:54:54" (1/1) ... [2021-07-14 12:54:54,683 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 12:54:54" (1/1) ... [2021-07-14 12:54:54,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 12:54:54" (1/1) ... [2021-07-14 12:54:54,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 12:54:54" (1/1) ... [2021-07-14 12:54:54,689 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 12:54:54" (1/1) ... [2021-07-14 12:54:54,691 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 12:54:54,692 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 12:54:54,692 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 12:54:54,693 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 12:54:54,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 12:54:54" (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 12:54:54,758 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 12:54:54,758 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 12:54:54,758 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 12:54:54,758 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 12:54:54,758 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 12:54:54,759 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 12:54:54,759 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 12:54:54,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 12:54:54,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 12:54:54,761 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 12:54:54,961 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 12:54:54,961 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-14 12:54:54,962 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-14 12:54:54,962 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-14 12:54:54,963 INFO L202 PluginConnector]: Adding new model unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:54:54 BoogieIcfgContainer [2021-07-14 12:54:54,963 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 12:54:54,965 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 12:54:54,965 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 12:54:54,967 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 12:54:54,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 12:54:54" (1/2) ... [2021-07-14 12:54:54,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bf87a2d and model type unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:54:54, skipping insertion in model container [2021-07-14 12:54:54,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:54:54" (2/2) ... [2021-07-14 12:54:54,969 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-3.wvr.bpl [2021-07-14 12:54:54,973 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 12:54:54,973 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 12:54:54,974 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 12:54:54,974 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 12:54:54,992 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 12:54:55,023 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 [2021-07-14 12:54:55,096 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 12:54:55,096 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 12:54:55,096 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 12:54:55,096 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 12:54:55,096 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 12:54:55,096 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 12:54:55,096 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 12:54:55,097 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 12:54:55,159 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 12:54:55,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:54:55,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1893131829, now seen corresponding path program 1 times [2021-07-14 12:54:55,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:54:55,171 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821165466] [2021-07-14 12:54:55,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:54:55,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:54:55,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 12:54:55,302 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:54:55,302 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821165466] [2021-07-14 12:54:55,303 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821165466] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 12:54:55,304 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 12:54:55,304 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 12:54:55,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322858417] [2021-07-14 12:54:55,307 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 12:54:55,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:54:55,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 12:54:55,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 12:54:55,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:54:55,322 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:54:55,323 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) [2021-07-14 12:54:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:54:55,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:54:55,345 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 12:54:55,345 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 12:54:55,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:54:55,348 INFO L82 PathProgramCache]: Analyzing trace with hash 1930821543, now seen corresponding path program 1 times [2021-07-14 12:54:55,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:54:55,349 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669651997] [2021-07-14 12:54:55,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:54:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:54:55,412 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 12:54:55,412 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:54:55,412 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669651997] [2021-07-14 12:54:55,413 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669651997] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:54:55,413 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743826293] [2021-07-14 12:54:55,413 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 12:54:55,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:54:55,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-14 12:54:55,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:54:55,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 12:54:55,511 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1743826293] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:54:55,512 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 12:54:55,512 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-07-14 12:54:55,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761139907] [2021-07-14 12:54:55,514 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 12:54:55,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:54:55,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 12:54:55,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-14 12:54:55,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:54:55,521 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:54:55,522 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:54:55,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:54:55,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:54:55,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:54:55,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 12:54:55,777 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:54:55,777 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 12:54:55,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:54:55,778 INFO L82 PathProgramCache]: Analyzing trace with hash -251002636, now seen corresponding path program 1 times [2021-07-14 12:54:55,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:54:55,781 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450965412] [2021-07-14 12:54:55,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:54:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:54:55,840 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 12:54:55,840 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:54:55,840 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450965412] [2021-07-14 12:54:55,840 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450965412] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:54:55,840 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [806984237] [2021-07-14 12:54:55,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:54:55,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:54:55,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-14 12:54:55,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:54:55,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 12:54:55,930 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [806984237] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:54:55,930 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 12:54:55,930 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-07-14 12:54:55,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936754026] [2021-07-14 12:54:55,931 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 12:54:55,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:54:55,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 12:54:55,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 12:54:55,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:54:55,934 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:54:55,934 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:54:55,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:54:55,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 12:54:55,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:54:55,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:54:55,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 12:54:55,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 12:54:56,169 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:54:56,169 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 12:54:56,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:54:56,170 INFO L82 PathProgramCache]: Analyzing trace with hash 1609074150, now seen corresponding path program 2 times [2021-07-14 12:54:56,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:54:56,170 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195544046] [2021-07-14 12:54:56,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:54:56,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:54:56,247 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 12:54:56,247 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:54:56,247 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195544046] [2021-07-14 12:54:56,247 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195544046] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:54:56,247 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [997896697] [2021-07-14 12:54:56,248 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:54:56,288 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 12:54:56,289 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 12:54:56,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 12:54:56,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:54:56,345 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 12:54:56,345 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [997896697] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:54:56,345 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 12:54:56,346 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-07-14 12:54:56,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656071299] [2021-07-14 12:54:56,346 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 12:54:56,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:54:56,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 12:54:56,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-14 12:54:56,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:54:56,347 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:54:56,347 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 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) [2021-07-14 12:54:56,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:54:56,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 12:54:56,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 12:54:56,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:54:56,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:54:56,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 12:54:56,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 12:54:56,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 12:54:56,584 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:54:56,585 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 12:54:56,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:54:56,585 INFO L82 PathProgramCache]: Analyzing trace with hash -858087628, now seen corresponding path program 3 times [2021-07-14 12:54:56,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:54:56,586 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597193126] [2021-07-14 12:54:56,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:54:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:54:56,613 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 12:54:56,614 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:54:56,614 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597193126] [2021-07-14 12:54:56,614 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597193126] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:54:56,614 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068380469] [2021-07-14 12:54:56,614 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:54:56,638 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 12:54:56,638 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 12:54:56,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-14 12:54:56,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:54:56,740 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 12:54:56,744 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 [2021-07-14 12:54:56,764 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 12:54:56,766 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 12:54:56,766 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 12:54:56,766 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-07-14 12:54:56,774 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 12:54:56,774 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2068380469] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:54:56,774 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 12:54:56,774 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 9 [2021-07-14 12:54:56,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236141313] [2021-07-14 12:54:56,775 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 12:54:56,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:54:56,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 12:54:56,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-07-14 12:54:56,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:54:56,776 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:54:56,777 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) [2021-07-14 12:54:56,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:54:56,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 12:54:56,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 12:54:56,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 12:54:56,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:54:56,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:54:56,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 12:54:56,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 12:54:56,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 12:54:56,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 12:54:57,032 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:54:57,033 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 12:54:57,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:54:57,033 INFO L82 PathProgramCache]: Analyzing trace with hash -30691418, now seen corresponding path program 4 times [2021-07-14 12:54:57,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:54:57,034 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715621980] [2021-07-14 12:54:57,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:54:57,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:54:57,084 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 12:54:57,084 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:54:57,084 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715621980] [2021-07-14 12:54:57,084 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715621980] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:54:57,084 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258110516] [2021-07-14 12:54:57,084 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:54:57,118 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 12:54:57,118 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 12:54:57,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 12:54:57,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:54:57,205 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 12:54:57,205 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1258110516] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:54:57,205 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 12:54:57,206 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-07-14 12:54:57,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346509115] [2021-07-14 12:54:57,206 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 12:54:57,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:54:57,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 12:54:57,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-07-14 12:54:57,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:54:57,207 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:54:57,207 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 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 12:54:57,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:54:57,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 12:54:57,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 12:54:57,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 12:54:57,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 12:54:57,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:54:57,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:54:57,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 12:54:57,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 12:54:57,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 12:54:57,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 12:54:57,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 12:54:57,511 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:54:57,511 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 12:54:57,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:54:57,511 INFO L82 PathProgramCache]: Analyzing trace with hash -928362283, now seen corresponding path program 5 times [2021-07-14 12:54:57,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:54:57,512 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883531034] [2021-07-14 12:54:57,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:54:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:54:57,575 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 12:54:57,576 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:54:57,576 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883531034] [2021-07-14 12:54:57,576 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883531034] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:54:57,576 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1913878967] [2021-07-14 12:54:57,576 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:54:57,607 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-14 12:54:57,607 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 12:54:57,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-14 12:54:57,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:54:57,671 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 12:54:57,671 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1913878967] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:54:57,671 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 12:54:57,672 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-07-14 12:54:57,672 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787337309] [2021-07-14 12:54:57,674 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 12:54:57,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:54:57,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 12:54:57,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-07-14 12:54:57,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:54:57,679 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:54:57,679 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:54:57,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:54:57,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 12:54:57,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 12:54:57,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 12:54:57,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 12:54:57,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 12:54:57,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:54:57,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:54:57,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 12:54:57,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 12:54:57,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 12:54:57,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 12:54:57,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 12:54:57,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 12:54:58,007 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:54:58,008 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 12:54:58,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:54:58,008 INFO L82 PathProgramCache]: Analyzing trace with hash 74628437, now seen corresponding path program 6 times [2021-07-14 12:54:58,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:54:58,008 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12000923] [2021-07-14 12:54:58,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:54:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:54:58,097 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 12:54:58,097 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:54:58,097 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12000923] [2021-07-14 12:54:58,097 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12000923] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:54:58,097 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479946745] [2021-07-14 12:54:58,097 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:54:58,132 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-14 12:54:58,132 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 12:54:58,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 12:54:58,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:54:58,211 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 12:54:58,211 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479946745] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:54:58,211 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 12:54:58,211 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 16 [2021-07-14 12:54:58,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437658562] [2021-07-14 12:54:58,212 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 12:54:58,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:54:58,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 12:54:58,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2021-07-14 12:54:58,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:54:58,213 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:54:58,213 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) [2021-07-14 12:54:58,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:54:58,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 12:54:58,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 12:54:58,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 12:54:58,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 12:54:58,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 12:54:58,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 12:54:58,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:54:58,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:54:58,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 12:54:58,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 12:54:58,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 12:54:58,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 12:54:58,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 12:54:58,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 12:54:58,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 12:54:58,612 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-07-14 12:54:58,613 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 12:54:58,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:54:58,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1958414074, now seen corresponding path program 7 times [2021-07-14 12:54:58,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:54:58,613 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664810625] [2021-07-14 12:54:58,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:54:58,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:54:58,686 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-14 12:54:58,686 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:54:58,686 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664810625] [2021-07-14 12:54:58,686 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664810625] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:54:58,686 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [777448981] [2021-07-14 12:54:58,686 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:54:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:54:58,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-14 12:54:58,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:54:58,823 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 12:54:58,823 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [777448981] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:54:58,823 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 12:54:58,823 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2021-07-14 12:54:58,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867377752] [2021-07-14 12:54:58,824 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 12:54:58,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:54:58,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 12:54:58,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2021-07-14 12:54:58,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:54:58,824 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:54:58,825 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5625) internal successors, (25), 15 states have internal predecessors, (25), 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 12:54:58,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:54:58,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 12:54:58,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 12:54:58,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 12:54:58,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 12:54:58,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 12:54:58,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 12:54:58,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 12:54:58,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:54:59,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:54:59,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 12:54:59,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 12:54:59,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 12:54:59,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 12:54:59,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 12:54:59,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 12:54:59,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 12:54:59,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 12:54:59,222 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:54:59,223 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 12:54:59,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:54:59,223 INFO L82 PathProgramCache]: Analyzing trace with hash -1041767340, now seen corresponding path program 8 times [2021-07-14 12:54:59,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:54:59,223 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489429284] [2021-07-14 12:54:59,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:54:59,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:54:59,318 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 12:54:59,318 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:54:59,318 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489429284] [2021-07-14 12:54:59,319 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489429284] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:54:59,319 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922107313] [2021-07-14 12:54:59,319 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:54:59,345 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 12:54:59,345 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 12:54:59,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-14 12:54:59,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:54:59,740 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-07-14 12:54:59,742 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 12:54:59,742 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 [2021-07-14 12:55:00,970 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 288 [2021-07-14 12:55:01,106 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 273 [2021-07-14 12:55:01,232 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 273 [2021-07-14 12:55:01,379 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 286 [2021-07-14 12:55:01,659 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 346 [2021-07-14 12:55:01,853 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 325 [2021-07-14 12:55:03,474 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 224 [2021-07-14 12:55:03,646 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 315 [2021-07-14 12:55:03,947 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 376 [2021-07-14 12:55:04,210 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 424 [2021-07-14 12:55:05,293 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 227 [2021-07-14 12:55:05,465 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 277 [2021-07-14 12:55:05,685 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 303 [2021-07-14 12:55:06,217 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 848 DAG size of output: 621 [2021-07-14 12:55:06,854 WARN L205 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 859 DAG size of output: 631 [2021-07-14 12:55:07,670 WARN L205 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 958 DAG size of output: 706 [2021-07-14 12:55:08,815 WARN L205 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 1019 DAG size of output: 750 [2021-07-14 12:55:09,839 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1106 DAG size of output: 776 [2021-07-14 12:55:10,871 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 1106 DAG size of output: 776 [2021-07-14 12:55:11,973 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 1112 DAG size of output: 782 [2021-07-14 12:55:13,319 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 784 DAG size of output: 960 [2021-07-14 12:55:14,334 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 737 DAG size of output: 805 [2021-07-14 12:55:15,818 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 282 [2021-07-14 12:55:15,984 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 335 [2021-07-14 12:55:16,227 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 348 [2021-07-14 12:55:16,687 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 726 DAG size of output: 355 [2021-07-14 12:55:17,399 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 441 [2021-07-14 12:55:17,970 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 971 DAG size of output: 480 [2021-07-14 12:55:18,457 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 1114 DAG size of output: 529 [2021-07-14 12:55:19,128 WARN L205 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 1320 DAG size of output: 647 [2021-07-14 12:55:19,788 WARN L205 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 1320 DAG size of output: 647 [2021-07-14 12:55:20,503 WARN L205 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 1324 DAG size of output: 652 [2021-07-14 12:55:21,210 WARN L205 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 675 [2021-07-14 12:55:21,715 WARN L205 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 615 DAG size of output: 517 [2021-07-14 12:55:22,462 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 12:55:22,463 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 12:55:22,464 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 12:55:22,464 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-07-14 12:55:22,471 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 12:55:22,471 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922107313] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:55:22,471 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 12:55:22,471 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14] total 23 [2021-07-14 12:55:22,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797113898] [2021-07-14 12:55:22,473 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-14 12:55:22,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:55:22,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-14 12:55:22,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=495, Unknown=0, NotChecked=0, Total=552 [2021-07-14 12:55:22,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:55:22,474 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:55:22,474 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) [2021-07-14 12:55:22,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:55:22,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 12:55:22,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 12:55:22,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 12:55:22,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 12:55:22,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 12:55:22,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 12:55:22,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 12:55:22,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 12:55:22,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:55:22,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:55:22,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 12:55:22,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 12:55:22,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 12:55:22,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 12:55:22,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 12:55:22,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 12:55:22,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 12:55:22,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 12:55:22,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 12:55:22,839 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:55:22,839 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 12:55:22,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:55:22,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1840489338, now seen corresponding path program 9 times [2021-07-14 12:55:22,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:55:22,840 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770534158] [2021-07-14 12:55:22,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:55:22,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:55:22,964 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 55 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 12:55:22,964 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:55:22,964 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770534158] [2021-07-14 12:55:22,964 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770534158] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:55:22,964 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1963386937] [2021-07-14 12:55:22,964 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:55:22,995 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-14 12:55:22,995 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 12:55:22,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-14 12:55:22,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:55:23,059 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 66 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 12:55:23,059 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1963386937] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:55:23,060 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 12:55:23,060 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 18 [2021-07-14 12:55:23,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315080724] [2021-07-14 12:55:23,060 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 12:55:23,060 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:55:23,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 12:55:23,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2021-07-14 12:55:23,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:55:23,061 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:55:23,061 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 18 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:55:23,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:55:23,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 12:55:23,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 12:55:23,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 12:55:23,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 12:55:23,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 12:55:23,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 12:55:23,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 12:55:23,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 12:55:23,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 12:55:23,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:55:23,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 12:55:23,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 12:55:23,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 12:55:23,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 12:55:23,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 12:55:23,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 12:55:23,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 12:55:23,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 12:55:23,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 12:55:23,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 12:55:23,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 12:55:23,496 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1524 [2021-07-14 12:55:23,497 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 12:55:23,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:55:23,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1197522955, now seen corresponding path program 10 times [2021-07-14 12:55:23,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:55:23,497 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598308157] [2021-07-14 12:55:23,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:55:23,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:55:23,603 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 12:55:23,604 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:55:23,604 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598308157] [2021-07-14 12:55:23,604 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598308157] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 12:55:23,604 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2069520048] [2021-07-14 12:55:23,604 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 12:55:23,632 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 12:55:23,632 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 12:55:23,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 39 conjunts are in the unsatisfiable core [2021-07-14 12:55:23,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 12:55:24,318 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-07-14 12:55:24,319 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 12:55:24,319 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 [2021-07-14 12:55:25,092 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 380 [2021-07-14 12:55:25,249 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 383 [2021-07-14 12:55:26,466 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 513 [2021-07-14 12:55:26,718 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 516 [2021-07-14 12:55:27,178 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 757 [2021-07-14 12:55:27,729 WARN L205 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 938 DAG size of output: 782 [2021-07-14 12:55:28,548 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 397 [2021-07-14 12:55:28,732 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 432 [2021-07-14 12:55:28,968 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 439 [2021-07-14 12:55:29,683 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 387 [2021-07-14 12:55:30,305 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 392 [2021-07-14 12:55:30,589 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 687 [2021-07-14 12:55:30,946 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 720 [2021-07-14 12:55:31,388 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 727 [2021-07-14 12:55:32,145 WARN L205 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 1118 DAG size of output: 985 [2021-07-14 12:55:33,017 WARN L205 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 1140 DAG size of output: 1008 [2021-07-14 12:55:34,559 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 1924 DAG size of output: 1536 [2021-07-14 12:55:35,614 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 483 [2021-07-14 12:55:35,827 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 486 [2021-07-14 12:55:36,484 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 344 [2021-07-14 12:55:36,613 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 347 [2021-07-14 12:55:37,004 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 711 [2021-07-14 12:55:37,483 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 737 [2021-07-14 12:55:38,213 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 367 [2021-07-14 12:55:38,363 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 402 [2021-07-14 12:55:38,556 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 408 [2021-07-14 12:55:39,705 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 363 [2021-07-14 12:55:39,941 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 657 [2021-07-14 12:55:40,252 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 690 [2021-07-14 12:55:40,643 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 696 [2021-07-14 12:55:41,290 WARN L205 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 1082 DAG size of output: 940 [2021-07-14 12:55:42,057 WARN L205 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 964 [2021-07-14 12:55:43,411 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1466 [2021-07-14 12:55:46,773 WARN L205 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 3619 DAG size of output: 2834 [2021-07-14 12:55:50,646 WARN L205 SmtUtils]: Spent 3.86 s on a formula simplification. DAG size of input: 3664 DAG size of output: 2879 [2021-07-14 12:55:55,056 WARN L205 SmtUtils]: Spent 4.39 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-07-14 12:55:59,464 WARN L205 SmtUtils]: Spent 4.39 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-07-14 12:56:04,673 WARN L205 SmtUtils]: Spent 5.20 s on a formula simplification. DAG size of input: 3707 DAG size of output: 2922 [2021-07-14 12:56:09,505 WARN L205 SmtUtils]: Spent 4.82 s on a formula simplification. DAG size of input: 2924 DAG size of output: 2915 [2021-07-14 12:56:14,723 WARN L205 SmtUtils]: Spent 5.19 s on a formula simplification. DAG size of input: 2912 DAG size of output: 3217 [2021-07-14 12:56:22,925 WARN L205 SmtUtils]: Spent 8.18 s on a formula simplification. DAG size of input: 2696 DAG size of output: 3553 [2021-07-14 12:56:23,101 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 2516 [2021-07-14 12:56:24,210 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 278 [2021-07-14 12:56:26,123 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 2495 DAG size of output: 2494 [2021-07-14 12:56:32,696 WARN L205 SmtUtils]: Spent 6.56 s on a formula simplification. DAG size of input: 2493 DAG size of output: 3700 [2021-07-14 12:56:33,005 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 2169 DAG size of output: 2169 [2021-07-14 12:56:33,291 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 2126 DAG size of output: 2126 [2021-07-14 12:56:34,263 WARN L205 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 977 [2021-07-14 12:56:34,539 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 339 [2021-07-14 12:56:36,013 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 257 [2021-07-14 12:56:36,244 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 340 [2021-07-14 12:56:36,557 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 396 [2021-07-14 12:56:37,028 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 592 [2021-07-14 12:56:37,139 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 337 [2021-07-14 12:56:37,857 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 185 [2021-07-14 12:56:38,001 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 243 [2021-07-14 12:56:38,335 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 265 [2021-07-14 12:56:38,643 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 425 [2021-07-14 12:56:39,108 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 623 [2021-07-14 12:56:40,155 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 1090 DAG size of output: 844 [2021-07-14 12:56:41,224 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 253 [2021-07-14 12:56:41,444 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 322 [2021-07-14 12:56:41,733 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 350 [2021-07-14 12:56:42,679 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 285 [2021-07-14 12:56:42,920 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 391 [2021-07-14 12:56:43,240 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 449 [2021-07-14 12:56:44,011 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 173 [2021-07-14 12:56:44,178 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 238 [2021-07-14 12:56:44,380 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 360 [2021-07-14 12:56:44,646 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 396 [2021-07-14 12:56:44,982 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 455 [2021-07-14 12:56:45,719 WARN L205 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 659 [2021-07-14 12:56:46,670 WARN L205 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 710 [2021-07-14 12:56:47,523 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 245 [2021-07-14 12:56:47,702 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 305 [2021-07-14 12:56:47,934 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 409 [2021-07-14 12:56:48,241 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 472 [2021-07-14 12:56:49,257 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 221 [2021-07-14 12:56:49,408 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 275 [2021-07-14 12:56:49,624 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 374 [2021-07-14 12:56:49,901 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 411 [2021-07-14 12:56:50,258 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 475 [2021-07-14 12:56:51,005 WARN L205 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 714 [2021-07-14 12:56:52,915 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 1682 DAG size of output: 1237 [2021-07-14 12:56:55,928 WARN L205 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 2518 DAG size of output: 1697 [2021-07-14 12:56:59,370 WARN L205 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 2537 DAG size of output: 1736 [2021-07-14 12:57:03,799 WARN L205 SmtUtils]: Spent 4.42 s on a formula simplification. DAG size of input: 2890 DAG size of output: 1831 [2021-07-14 12:57:04,895 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 700 DAG size of output: 1050 [2021-07-14 12:57:05,260 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 660 [2021-07-14 12:57:05,846 WARN L205 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 647 DAG size of output: 823 [2021-07-14 12:57:06,834 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 257 [2021-07-14 12:57:07,041 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 285 [2021-07-14 12:57:07,304 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 348 [2021-07-14 12:57:07,688 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 513 [2021-07-14 12:57:07,880 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 429 [2021-07-14 12:57:08,839 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 283 [2021-07-14 12:57:09,028 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 309 [2021-07-14 12:57:09,946 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 270 [2021-07-14 12:57:10,113 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 296 [2021-07-14 12:57:10,501 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 492 [2021-07-14 12:57:11,041 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 624 [2021-07-14 12:57:11,804 WARN L205 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 814 [2021-07-14 12:57:13,029 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 1338 DAG size of output: 1058 [2021-07-14 12:57:14,721 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 1723 DAG size of output: 1396 [2021-07-14 12:57:15,395 WARN L205 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 828 [2021-07-14 12:57:15,993 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 766 [2021-07-14 12:57:16,374 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 639 [2021-07-14 12:57:16,484 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 332 [2021-07-14 12:57:18,152 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 248 [2021-07-14 12:57:18,308 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 212 [2021-07-14 12:57:18,608 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 388 [2021-07-14 12:57:19,228 WARN L205 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 707 [2021-07-14 12:57:20,161 WARN L205 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 1357 DAG size of output: 863 [2021-07-14 12:57:21,531 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1729 DAG size of output: 1197 [2021-07-14 12:57:24,898 WARN L205 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 2363 DAG size of output: 1672 [2021-07-14 12:57:28,843 WARN L205 SmtUtils]: Spent 3.94 s on a formula simplification. DAG size of input: 2424 DAG size of output: 1716 [2021-07-14 12:57:34,459 WARN L205 SmtUtils]: Spent 5.61 s on a formula simplification. DAG size of input: 2831 DAG size of output: 1844 [2021-07-14 12:57:45,635 WARN L205 SmtUtils]: Spent 11.16 s on a formula simplification. DAG size of input: 5382 DAG size of output: 3237 [2021-07-14 12:57:46,898 WARN L205 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 707 DAG size of output: 1000 [2021-07-14 12:57:47,470 WARN L205 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 712 [2021-07-14 12:57:48,261 WARN L205 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 877 [2021-07-14 12:57:48,761 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 729 [2021-07-14 12:57:49,579 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 262 [2021-07-14 12:57:49,790 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 300 [2021-07-14 12:57:50,010 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 374 [2021-07-14 12:57:50,893 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 229 [2021-07-14 12:57:51,737 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 344 [2021-07-14 12:57:52,648 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 334 [2021-07-14 12:57:53,745 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 369 [2021-07-14 12:57:54,179 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 560 [2021-07-14 12:57:54,979 WARN L205 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 902 DAG size of output: 726 [2021-07-14 12:57:55,956 WARN L205 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 962 DAG size of output: 768 [2021-07-14 12:57:57,185 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 1071 DAG size of output: 879 [2021-07-14 12:57:58,486 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 1304 DAG size of output: 904 [2021-07-14 12:58:00,398 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 1744 DAG size of output: 1304 [2021-07-14 12:58:02,997 WARN L205 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 2015 DAG size of output: 1655 [2021-07-14 12:58:03,817 WARN L205 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 879 [2021-07-14 12:58:04,183 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 490 [2021-07-14 12:58:04,478 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 491 [2021-07-14 12:58:05,666 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 260 [2021-07-14 12:58:06,527 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 289 [2021-07-14 12:58:06,798 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 317 [2021-07-14 12:58:07,187 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 433 [2021-07-14 12:58:07,901 WARN L205 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 821 DAG size of output: 666 [2021-07-14 12:58:08,943 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 945 DAG size of output: 803 [2021-07-14 12:58:09,121 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 354 [2021-07-14 12:58:09,800 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 338 [2021-07-14 12:58:09,982 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 377 [2021-07-14 12:58:10,259 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 443 [2021-07-14 12:58:11,536 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 1314 DAG size of output: 1007 [2021-07-14 12:58:13,399 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 1586 DAG size of output: 1355 [2021-07-14 12:58:18,256 WARN L205 SmtUtils]: Spent 4.85 s on a formula simplification. DAG size of input: 2617 DAG size of output: 2064 [2021-07-14 12:58:24,963 WARN L205 SmtUtils]: Spent 6.70 s on a formula simplification. DAG size of input: 2989 DAG size of output: 2220 [2021-07-14 12:58:32,488 WARN L205 SmtUtils]: Spent 7.51 s on a formula simplification. DAG size of input: 3049 DAG size of output: 2305 [2021-07-14 12:58:33,154 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 573 [2021-07-14 12:58:33,865 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 296 [2021-07-14 12:58:34,029 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 358 [2021-07-14 12:58:34,730 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 451 [2021-07-14 12:58:35,662 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 215 [2021-07-14 12:58:35,814 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 254 [2021-07-14 12:58:36,038 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 348 [2021-07-14 12:58:36,338 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 399 [2021-07-14 12:58:36,711 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 425 [2021-07-14 12:58:37,168 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 485 [2021-07-14 12:58:37,715 WARN L205 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 521 [2021-07-14 12:58:38,993 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 328 [2021-07-14 12:58:39,250 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 369 [2021-07-14 12:58:39,577 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 394 [2021-07-14 12:58:40,038 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 433 [2021-07-14 12:58:40,577 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 517 [2021-07-14 12:58:41,238 WARN L205 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 580 [2021-07-14 12:58:42,557 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 978 DAG size of output: 863 [2021-07-14 12:58:43,444 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 202 [2021-07-14 12:58:43,603 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 256 [2021-07-14 12:58:43,857 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 384 [2021-07-14 12:58:44,187 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 442 [2021-07-14 12:58:44,376 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 292 [2021-07-14 12:58:45,007 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 328 [2021-07-14 12:58:45,233 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 391 [2021-07-14 12:58:45,523 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 450 [2021-07-14 12:58:46,219 WARN L205 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 639 [2021-07-14 12:58:47,305 WARN L205 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 800 DAG size of output: 715 [2021-07-14 12:58:49,778 WARN L205 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 1872 DAG size of output: 1482 [2021-07-14 12:58:53,025 WARN L205 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 2070 DAG size of output: 1568 [2021-07-14 12:58:53,171 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 361 [2021-07-14 12:58:53,778 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 344 [2021-07-14 12:58:53,966 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 367 [2021-07-14 12:58:54,555 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 246 [2021-07-14 12:58:54,902 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 486 [2021-07-14 12:58:55,898 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 243 [2021-07-14 12:58:56,047 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 266 [2021-07-14 12:58:56,241 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 324 [2021-07-14 12:58:56,533 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 457 [2021-07-14 12:58:56,938 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 599 [2021-07-14 12:58:57,783 WARN L205 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 817 [2021-07-14 12:58:58,961 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 1006 DAG size of output: 867 [2021-07-14 12:59:00,013 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 318 [2021-07-14 12:59:00,187 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 388 [2021-07-14 12:59:00,422 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 406 [2021-07-14 12:59:00,705 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 422 [2021-07-14 12:59:01,075 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 470 [2021-07-14 12:59:02,827 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 1433 DAG size of output: 1082 [2021-07-14 12:59:08,035 WARN L205 SmtUtils]: Spent 5.20 s on a formula simplification. DAG size of input: 2994 DAG size of output: 2129 [2021-07-14 12:59:13,957 WARN L205 SmtUtils]: Spent 5.91 s on a formula simplification. DAG size of input: 3038 DAG size of output: 2179 [2021-07-14 12:59:28,570 WARN L205 SmtUtils]: Spent 14.60 s on a formula simplification. DAG size of input: 5719 DAG size of output: 3928 [2021-07-14 12:59:56,903 WARN L205 SmtUtils]: Spent 28.31 s on a formula simplification. DAG size of input: 8989 DAG size of output: 5710 [2021-07-14 12:59:57,927 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 329 [2021-07-14 12:59:58,109 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 340 [2021-07-14 13:00:30,705 WARN L205 SmtUtils]: Spent 32.58 s on a formula simplification. DAG size of input: 9287 DAG size of output: 5929 [2021-07-14 13:01:09,437 WARN L205 SmtUtils]: Spent 38.69 s on a formula simplification. DAG size of input: 10982 DAG size of output: 7649 [2021-07-14 13:01:10,630 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 295 [2021-07-14 13:01:10,832 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 410 [2021-07-14 13:01:11,092 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 416 [2021-07-14 13:01:50,478 WARN L205 SmtUtils]: Spent 39.37 s on a formula simplification. DAG size of input: 11394 DAG size of output: 7943 [2021-07-14 13:02:30,025 WARN L205 SmtUtils]: Spent 39.49 s on a formula simplification. DAG size of input: 11649 DAG size of output: 8097 [2021-07-14 13:03:16,234 WARN L205 SmtUtils]: Spent 46.15 s on a formula simplification. DAG size of input: 12976 DAG size of output: 9218 [2021-07-14 13:03:19,786 WARN L205 SmtUtils]: Spent 3.51 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1636 [2021-07-14 13:03:19,949 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 1238 [2021-07-14 13:03:21,369 WARN L205 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 1216 [2021-07-14 13:03:22,006 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 240 [2021-07-14 13:03:24,921 WARN L205 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 1215 DAG size of output: 1779 [2021-07-14 13:03:25,076 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 1093 DAG size of output: 1093 [2021-07-14 13:03:25,216 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 1052 DAG size of output: 1052 [2021-07-14 13:03:26,315 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 686 DAG size of output: 991 [2021-07-14 13:03:27,020 WARN L205 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 739 [2021-07-14 13:03:27,955 WARN L205 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 766 [2021-07-14 13:03:28,726 WARN L205 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 791 [2021-07-14 13:03:29,064 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 441 [2021-07-14 13:03:29,773 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2021-07-14 13:03:29,946 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 291 [2021-07-14 13:03:30,328 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 348 [2021-07-14 13:03:30,676 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 453 [2021-07-14 13:03:31,094 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 477 [2021-07-14 13:03:32,634 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 417 [2021-07-14 13:03:32,951 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 435 [2021-07-14 13:03:33,761 WARN L205 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 758 [2021-07-14 13:03:34,822 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1152 DAG size of output: 843 [2021-07-14 13:03:36,261 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1015 [2021-07-14 13:03:37,169 WARN L205 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 765 [2021-07-14 13:03:38,261 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 675 DAG size of output: 790 [2021-07-14 13:03:38,562 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 428 [2021-07-14 13:03:39,231 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 281 [2021-07-14 13:03:39,448 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 391 [2021-07-14 13:03:39,805 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 464 [2021-07-14 13:03:40,053 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 267 [2021-07-14 13:03:40,693 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2021-07-14 13:03:40,867 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2021-07-14 13:03:41,676 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 265 [2021-07-14 13:03:41,864 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 290 [2021-07-14 13:03:42,268 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 384 [2021-07-14 13:03:43,196 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 261 [2021-07-14 13:03:43,717 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 319 [2021-07-14 13:03:44,014 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 344 [2021-07-14 13:03:44,817 WARN L205 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 516 [2021-07-14 13:03:45,832 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 592 DAG size of output: 578 [2021-07-14 13:03:47,136 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 819 DAG size of output: 697 [2021-07-14 13:03:48,860 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 1184 DAG size of output: 905 [2021-07-14 13:03:51,089 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 1312 DAG size of output: 996 [2021-07-14 13:03:53,848 WARN L205 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 1416 DAG size of output: 1170 [2021-07-14 13:03:58,449 WARN L205 SmtUtils]: Spent 4.59 s on a formula simplification. DAG size of input: 1833 DAG size of output: 1517 [2021-07-14 13:04:04,657 WARN L205 SmtUtils]: Spent 6.20 s on a formula simplification. DAG size of input: 2174 DAG size of output: 1614 [2021-07-14 13:04:05,062 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 546 [2021-07-14 13:04:05,259 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 391 [2021-07-14 13:04:05,472 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 417 [2021-07-14 13:04:05,825 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 455 [2021-07-14 13:04:07,389 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 216 [2021-07-14 13:04:07,572 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 246 [2021-07-14 13:04:07,819 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 330 [2021-07-14 13:04:08,220 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 454 [2021-07-14 13:04:08,768 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 572 [2021-07-14 13:04:08,891 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 304 [2021-07-14 13:04:09,059 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 323 [2021-07-14 13:04:10,310 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 162 [2021-07-14 13:04:10,521 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 220 [2021-07-14 13:04:10,750 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 247 [2021-07-14 13:04:11,058 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 336 [2021-07-14 13:04:11,439 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 404 [2021-07-14 13:04:12,023 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 290 [2021-07-14 13:04:12,621 WARN L205 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 847 DAG size of output: 578 [2021-07-14 13:04:13,878 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 933 DAG size of output: 641 [2021-07-14 13:04:15,332 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 960 DAG size of output: 668 [2021-07-14 13:04:17,279 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 1138 DAG size of output: 701 [2021-07-14 13:04:17,519 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 487 [2021-07-14 13:04:17,778 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-07-14 13:04:17,950 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-07-14 13:04:18,130 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 362 [2021-07-14 13:04:19,250 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 219 [2021-07-14 13:04:19,450 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 243 [2021-07-14 13:04:19,707 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 341 [2021-07-14 13:04:20,063 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 403 [2021-07-14 13:04:20,547 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 476 [2021-07-14 13:04:20,732 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-07-14 13:04:20,911 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-07-14 13:04:22,035 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 313 [2021-07-14 13:04:22,217 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 333 [2021-07-14 13:04:22,490 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 401 [2021-07-14 13:04:22,886 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 471 [2021-07-14 13:04:23,884 WARN L205 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 837 DAG size of output: 632 [2021-07-14 13:04:25,212 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1009 DAG size of output: 667 [2021-07-14 13:04:28,538 WARN L205 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 1961 DAG size of output: 1076 [2021-07-14 13:04:38,156 WARN L205 SmtUtils]: Spent 9.61 s on a formula simplification. DAG size of input: 3390 DAG size of output: 2173 [2021-07-14 13:04:49,321 WARN L205 SmtUtils]: Spent 10.79 s on a formula simplification. DAG size of input: 3507 DAG size of output: 2263 [2021-07-14 13:05:02,139 WARN L205 SmtUtils]: Spent 12.80 s on a formula simplification. DAG size of input: 4235 DAG size of output: 2787 [2021-07-14 13:05:15,308 WARN L205 SmtUtils]: Spent 13.15 s on a formula simplification. DAG size of input: 4456 DAG size of output: 2926 [2021-07-14 13:05:28,716 WARN L205 SmtUtils]: Spent 13.39 s on a formula simplification. DAG size of input: 4635 DAG size of output: 3051 [2021-07-14 13:05:43,976 WARN L205 SmtUtils]: Spent 15.24 s on a formula simplification. DAG size of input: 5120 DAG size of output: 3306 [2021-07-14 13:06:47,487 WARN L205 SmtUtils]: Spent 1.06 m on a formula simplification. DAG size of input: 16679 DAG size of output: 11341 [2021-07-14 13:07:57,503 WARN L205 SmtUtils]: Spent 1.17 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 [2021-07-14 13:09:07,395 WARN L205 SmtUtils]: Spent 1.16 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown