/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-Persistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 08:32:51,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 08:32:51,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 08:32:51,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 08:32:51,664 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-Persistent-NoLbe.epf [2021-07-14 08:32:51,688 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 08:32:51,689 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 08:32:51,689 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 08:32:51,689 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 08:32:51,691 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 08:32:51,691 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 08:32:51,691 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 08:32:51,692 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 08:32:51,692 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 08:32:51,692 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 08:32:51,692 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 08:32:51,692 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 08:32:51,693 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 08:32:51,693 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 08:32:51,693 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 08:32:51,693 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 08:32:51,693 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 08:32:51,693 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 08:32:51,693 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 08:32:51,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 08:32:51,693 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 08:32:51,693 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 08:32:51,694 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 08:32:51,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 08:32:51,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 08:32:51,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 08:32:51,694 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 08:32:51,694 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 08:32:51,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 08:32:51,694 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 08:32:51,694 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 08:32:51,694 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 08:32:51,695 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SETS [2021-07-14 08:32:51,695 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 08:32:51,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 08:32:51,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 08:32:51,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 08:32:51,963 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 08:32:51,964 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 08:32:51,965 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl [2021-07-14 08:32:51,965 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl' [2021-07-14 08:32:51,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 08:32:51,992 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 08:32:51,993 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 08:32:51,993 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 08:32:51,993 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 08:32:52,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:32:51" (1/1) ... [2021-07-14 08:32:52,016 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:32:51" (1/1) ... [2021-07-14 08:32:52,021 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 08:32:52,023 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 08:32:52,023 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 08:32:52,023 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 08:32:52,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:32:51" (1/1) ... [2021-07-14 08:32:52,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:32:51" (1/1) ... [2021-07-14 08:32:52,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:32:51" (1/1) ... [2021-07-14 08:32:52,030 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:32:51" (1/1) ... [2021-07-14 08:32:52,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:32:51" (1/1) ... [2021-07-14 08:32:52,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:32:51" (1/1) ... [2021-07-14 08:32:52,036 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:32:51" (1/1) ... [2021-07-14 08:32:52,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 08:32:52,039 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 08:32:52,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 08:32:52,039 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 08:32:52,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:32:51" (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 08:32:52,102 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 08:32:52,102 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 08:32:52,102 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 08:32:52,102 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 08:32:52,102 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 08:32:52,102 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 08:32:52,102 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 08:32:52,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 08:32:52,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 08:32:52,103 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 08:32:52,329 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 08:32:52,329 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-14 08:32:52,330 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-14 08:32:52,330 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-14 08:32:52,331 INFO L202 PluginConnector]: Adding new model unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 08:32:52 BoogieIcfgContainer [2021-07-14 08:32:52,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 08:32:52,333 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 08:32:52,333 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 08:32:52,334 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 08:32:52,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:32:51" (1/2) ... [2021-07-14 08:32:52,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@140077c5 and model type unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 08:32:52, skipping insertion in model container [2021-07-14 08:32:52,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 08:32:52" (2/2) ... [2021-07-14 08:32:52,336 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-4.wvr.bpl [2021-07-14 08:32:52,340 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 08:32:52,340 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 08:32:52,345 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 08:32:52,345 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 08:32:52,363 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 08:32:52,378 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 08:32:52,417 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 08:32:52,417 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 08:32:52,417 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 08:32:52,417 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 08:32:52,417 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 08:32:52,418 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 08:32:52,418 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 08:32:52,418 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 08:32:52,445 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 08:32:52,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 08:32:52,454 INFO L82 PathProgramCache]: Analyzing trace with hash 327878231, now seen corresponding path program 1 times [2021-07-14 08:32:52,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 08:32:52,469 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461947105] [2021-07-14 08:32:52,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 08:32:52,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:32:52,582 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 08:32:52,588 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 08:32:52,589 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461947105] [2021-07-14 08:32:52,590 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461947105] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 08:32:52,590 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 08:32:52,590 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 08:32:52,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076687842] [2021-07-14 08:32:52,594 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 08:32:52,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 08:32:52,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 08:32:52,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 08:32:52,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:32:52,607 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 08:32:52,608 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 08:32:52,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:32:52,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 08:32:52,624 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 08:32:52,624 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 08:32:52,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 08:32:52,628 INFO L82 PathProgramCache]: Analyzing trace with hash 652599305, now seen corresponding path program 1 times [2021-07-14 08:32:52,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 08:32:52,629 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976025408] [2021-07-14 08:32:52,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 08:32:52,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:32:52,687 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 08:32:52,687 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 08:32:52,687 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976025408] [2021-07-14 08:32:52,687 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976025408] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:32:52,687 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016625835] [2021-07-14 08:32:52,687 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 08:32:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:32:52,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-14 08:32:52,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 08:32:52,805 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 08:32:52,806 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2016625835] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:32:52,806 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 08:32:52,806 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-07-14 08:32:52,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782476288] [2021-07-14 08:32:52,808 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 08:32:52,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 08:32:52,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 08:32:52,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-14 08:32:52,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:32:52,810 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 08:32:52,810 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 08:32:52,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 08:32:52,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:32:52,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 08:32:52,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:32:53,057 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 08:32:53,057 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 08:32:53,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 08:32:53,058 INFO L82 PathProgramCache]: Analyzing trace with hash -1221187306, now seen corresponding path program 1 times [2021-07-14 08:32:53,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 08:32:53,058 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905735112] [2021-07-14 08:32:53,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 08:32:53,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:32:53,109 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 08:32:53,109 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 08:32:53,109 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905735112] [2021-07-14 08:32:53,109 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905735112] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:32:53,109 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1161323673] [2021-07-14 08:32:53,109 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 08:32:53,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:32:53,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-14 08:32:53,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 08:32:53,184 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 08:32:53,185 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1161323673] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:32:53,185 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 08:32:53,185 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-07-14 08:32:53,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281395015] [2021-07-14 08:32:53,185 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 08:32:53,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 08:32:53,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 08:32:53,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 08:32:53,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:32:53,187 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 08:32:53,187 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 08:32:53,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 08:32:53,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:32:53,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:32:53,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 08:32:53,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:32:53,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:32:53,413 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 08:32:53,413 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 08:32:53,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 08:32:53,413 INFO L82 PathProgramCache]: Analyzing trace with hash 1598119496, now seen corresponding path program 2 times [2021-07-14 08:32:53,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 08:32:53,414 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469479395] [2021-07-14 08:32:53,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 08:32:53,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:32:53,478 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 08:32:53,479 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 08:32:53,481 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469479395] [2021-07-14 08:32:53,481 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469479395] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:32:53,481 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1836099371] [2021-07-14 08:32:53,481 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 08:32:53,510 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 08:32:53,510 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 08:32:53,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 08:32:53,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 08:32:53,556 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 08:32:53,556 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1836099371] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:32:53,556 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 08:32:53,557 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-07-14 08:32:53,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390610425] [2021-07-14 08:32:53,557 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 08:32:53,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 08:32:53,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 08:32:53,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-14 08:32:53,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:32:53,558 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 08:32:53,558 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 08:32:53,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 08:32:53,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:32:53,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:32:53,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:32:53,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 08:32:53,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:32:53,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:32:53,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:32:53,805 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 08:32:53,806 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 08:32:53,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 08:32:53,806 INFO L82 PathProgramCache]: Analyzing trace with hash -1197682858, now seen corresponding path program 3 times [2021-07-14 08:32:53,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 08:32:53,806 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053939913] [2021-07-14 08:32:53,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 08:32:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:32:53,857 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 08:32:53,858 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 08:32:53,858 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053939913] [2021-07-14 08:32:53,858 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053939913] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:32:53,858 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529052450] [2021-07-14 08:32:53,858 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 08:32:53,894 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 08:32:53,894 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 08:32:53,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-14 08:32:53,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 08:32:53,953 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 08:32:53,953 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1529052450] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:32:53,953 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 08:32:53,953 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-07-14 08:32:53,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196412969] [2021-07-14 08:32:53,954 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 08:32:53,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 08:32:53,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 08:32:53,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-07-14 08:32:53,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:32:53,956 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 08:32:53,956 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 08:32:53,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 08:32:53,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:32:53,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:32:53,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:32:53,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:32:54,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 08:32:54,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:32:54,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:32:54,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:32:54,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:32:54,236 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 08:32:54,237 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 08:32:54,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 08:32:54,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1968209912, now seen corresponding path program 4 times [2021-07-14 08:32:54,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 08:32:54,238 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498920886] [2021-07-14 08:32:54,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 08:32:54,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:32:54,286 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:32:54,287 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 08:32:54,288 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498920886] [2021-07-14 08:32:54,288 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498920886] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:32:54,288 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196789487] [2021-07-14 08:32:54,288 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 08:32:54,320 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 08:32:54,320 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 08:32:54,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-14 08:32:54,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 08:32:54,461 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 08:32:54,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-07-14 08:32:54,533 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 08:32:54,535 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 08:32:54,535 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 08:32:54,535 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-07-14 08:32:54,549 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:32:54,549 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1196789487] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:32:54,549 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 08:32:54,549 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2021-07-14 08:32:54,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20591274] [2021-07-14 08:32:54,550 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 08:32:54,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 08:32:54,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 08:32:54,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-07-14 08:32:54,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:32:54,551 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 08:32:54,551 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 1.9166666666666667) internal successors, (23), 11 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 08:32:54,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 08:32:54,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:32:54,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:32:54,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:32:54,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:32:54,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:32:54,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 08:32:54,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:32:54,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:32:54,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:32:54,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:32:54,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:32:54,820 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 08:32:54,821 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 08:32:54,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 08:32:54,821 INFO L82 PathProgramCache]: Analyzing trace with hash -84744810, now seen corresponding path program 5 times [2021-07-14 08:32:54,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 08:32:54,822 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014782323] [2021-07-14 08:32:54,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 08:32:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:32:54,868 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:32:54,868 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 08:32:54,868 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014782323] [2021-07-14 08:32:54,869 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014782323] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:32:54,869 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486053308] [2021-07-14 08:32:54,869 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 08:32:54,903 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-14 08:32:54,903 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 08:32:54,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-14 08:32:54,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 08:32:54,952 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:32:54,952 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [486053308] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:32:54,952 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 08:32:54,952 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-07-14 08:32:54,952 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139387214] [2021-07-14 08:32:54,953 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 08:32:54,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 08:32:54,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 08:32:54,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-07-14 08:32:54,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:32:54,953 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 08:32:54,953 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 08:32:54,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 08:32:54,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:32:54,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:32:54,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:32:54,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:32:54,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:32:54,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:32:55,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 08:32:55,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:32:55,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:32:55,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:32:55,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:32:55,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:32:55,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 08:32:55,259 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-07-14 08:32:55,260 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 08:32:55,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 08:32:55,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1690948905, now seen corresponding path program 6 times [2021-07-14 08:32:55,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 08:32:55,260 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559335765] [2021-07-14 08:32:55,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 08:32:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:32:55,330 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 08:32:55,330 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 08:32:55,330 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559335765] [2021-07-14 08:32:55,330 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559335765] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:32:55,330 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1180423765] [2021-07-14 08:32:55,330 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 08:32:55,368 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-14 08:32:55,368 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 08:32:55,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-14 08:32:55,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 08:32:55,437 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 08:32:55,437 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1180423765] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:32:55,437 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 08:32:55,437 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-14 08:32:55,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755745195] [2021-07-14 08:32:55,437 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 08:32:55,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 08:32:55,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 08:32:55,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-07-14 08:32:55,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:32:55,438 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 08:32:55,438 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 12 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 08:32:55,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 08:32:55,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:32:55,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:32:55,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:32:55,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:32:55,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:32:55,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 08:32:55,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:32:55,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 08:32:55,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:32:55,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:32:55,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:32:55,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:32:55,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:32:55,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 08:32:55,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 08:32:55,781 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-14 08:32:55,781 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 08:32:55,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 08:32:55,781 INFO L82 PathProgramCache]: Analyzing trace with hash -775286985, now seen corresponding path program 7 times [2021-07-14 08:32:55,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 08:32:55,782 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104985697] [2021-07-14 08:32:55,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 08:32:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:32:55,859 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 08:32:55,859 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 08:32:55,859 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104985697] [2021-07-14 08:32:55,860 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104985697] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:32:55,860 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643653365] [2021-07-14 08:32:55,860 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 08:32:55,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:32:55,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-14 08:32:55,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 08:32:55,980 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 08:32:55,981 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [643653365] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:32:55,981 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 08:32:55,981 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-07-14 08:32:55,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761574575] [2021-07-14 08:32:55,981 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 08:32:55,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 08:32:55,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 08:32:55,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-07-14 08:32:55,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:32:55,982 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 08:32:55,982 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 08:32:55,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 08:32:55,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:32:55,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:32:55,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:32:55,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:32:55,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:32:55,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 08:32:55,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 08:32:55,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:32:56,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 08:32:56,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:32:56,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:32:56,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:32:56,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:32:56,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:32:56,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 08:32:56,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 08:32:56,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:32:56,348 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-07-14 08:32:56,349 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 08:32:56,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 08:32:56,349 INFO L82 PathProgramCache]: Analyzing trace with hash 80811753, now seen corresponding path program 8 times [2021-07-14 08:32:56,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 08:32:56,350 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627423034] [2021-07-14 08:32:56,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 08:32:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:32:56,448 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 08:32:56,448 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 08:32:56,448 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627423034] [2021-07-14 08:32:56,448 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627423034] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:32:56,448 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875707411] [2021-07-14 08:32:56,448 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 08:32:56,476 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 08:32:56,476 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 08:32:56,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-14 08:32:56,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 08:32:56,566 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 08:32:56,566 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875707411] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:32:56,566 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 08:32:56,566 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-07-14 08:32:56,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096111802] [2021-07-14 08:32:56,567 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 08:32:56,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 08:32:56,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 08:32:56,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-07-14 08:32:56,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:32:56,567 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 08:32:56,567 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5) internal successors, (24), 15 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 08:32:56,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 08:32:56,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:32:56,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:32:56,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:32:56,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:32:56,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:32:56,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 08:32:56,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 08:32:56,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:32:56,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:32:56,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 08:32:56,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:32:56,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:32:56,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:32:56,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:32:56,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:32:56,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 08:32:56,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 08:32:56,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:32:56,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:32:56,964 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-14 08:32:56,965 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 08:32:56,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 08:32:56,965 INFO L82 PathProgramCache]: Analyzing trace with hash 850068855, now seen corresponding path program 9 times [2021-07-14 08:32:56,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 08:32:56,965 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060470491] [2021-07-14 08:32:56,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 08:32:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:32:57,028 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:32:57,029 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 08:32:57,029 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060470491] [2021-07-14 08:32:57,029 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060470491] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:32:57,029 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1759774201] [2021-07-14 08:32:57,029 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 08:32:57,056 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 08:32:57,056 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 08:32:57,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-14 08:32:57,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 08:32:57,356 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-14 08:32:57,357 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 08:32:57,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-07-14 08:32:58,150 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 263 [2021-07-14 08:32:58,461 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 274 [2021-07-14 08:32:59,903 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 08:32:59,905 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 08:32:59,905 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 08:32:59,905 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-07-14 08:32:59,910 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:32:59,910 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1759774201] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:32:59,910 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 08:32:59,911 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 20 [2021-07-14 08:32:59,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633061739] [2021-07-14 08:32:59,911 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-14 08:32:59,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 08:32:59,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-14 08:32:59,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-07-14 08:32:59,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:32:59,912 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 08:32:59,912 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 20 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 08:32:59,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 08:32:59,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:32:59,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:32:59,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:32:59,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:32:59,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:32:59,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 08:32:59,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 08:32:59,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:32:59,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:32:59,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:33:00,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 08:33:00,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:33:00,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:33:00,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:33:00,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:33:00,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:33:00,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 08:33:00,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 08:33:00,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:33:00,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:33:00,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 08:33:00,241 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-07-14 08:33:00,241 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 08:33:00,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 08:33:00,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1072764759, now seen corresponding path program 10 times [2021-07-14 08:33:00,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 08:33:00,242 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371987579] [2021-07-14 08:33:00,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 08:33:00,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:33:00,334 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:33:00,335 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 08:33:00,335 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371987579] [2021-07-14 08:33:00,335 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371987579] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:33:00,335 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61025454] [2021-07-14 08:33:00,335 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 08:33:00,370 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 08:33:00,370 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 08:33:00,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-14 08:33:00,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 08:33:00,430 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:33:00,430 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [61025454] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:33:00,430 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 08:33:00,430 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-07-14 08:33:00,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548935506] [2021-07-14 08:33:00,431 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-14 08:33:00,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 08:33:00,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-14 08:33:00,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-07-14 08:33:00,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:33:00,431 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 08:33:00,431 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 08:33:00,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 08:33:00,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:33:00,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:33:00,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:33:00,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:33:00,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:33:00,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 08:33:00,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 08:33:00,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:33:00,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:33:00,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 08:33:00,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:33:00,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 08:33:00,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:33:00,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:33:00,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:33:00,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:33:00,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:33:00,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 08:33:00,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 08:33:00,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:33:00,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:33:00,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 08:33:00,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 08:33:00,801 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable313,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 08:33:00,801 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 08:33:00,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 08:33:00,802 INFO L82 PathProgramCache]: Analyzing trace with hash 1127101558, now seen corresponding path program 11 times [2021-07-14 08:33:00,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 08:33:00,802 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352095530] [2021-07-14 08:33:00,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 08:33:00,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:33:00,931 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 08:33:00,931 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 08:33:00,931 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352095530] [2021-07-14 08:33:00,931 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352095530] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:33:00,931 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1847623156] [2021-07-14 08:33:00,931 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 08:33:00,964 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 08:33:00,964 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 08:33:00,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-14 08:33:00,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 08:33:01,094 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 08:33:01,094 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1847623156] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:33:01,094 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 08:33:01,094 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-07-14 08:33:01,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994570774] [2021-07-14 08:33:01,095 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-14 08:33:01,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 08:33:01,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-14 08:33:01,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2021-07-14 08:33:01,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:33:01,096 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 08:33:01,096 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.4) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 08:33:01,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 08:33:01,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:33:01,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:33:01,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:33:01,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:33:01,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:33:01,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 08:33:01,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 08:33:01,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:33:01,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:33:01,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 08:33:01,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 08:33:01,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:33:01,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 08:33:01,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:33:01,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:33:01,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:33:01,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:33:01,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:33:01,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 08:33:01,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 08:33:01,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:33:01,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:33:01,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 08:33:01,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 08:33:01,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 08:33:01,609 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable314 [2021-07-14 08:33:01,609 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 08:33:01,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 08:33:01,610 INFO L82 PathProgramCache]: Analyzing trace with hash 119935784, now seen corresponding path program 12 times [2021-07-14 08:33:01,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 08:33:01,610 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588896643] [2021-07-14 08:33:01,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 08:33:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:33:01,750 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 08:33:01,750 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 08:33:01,750 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588896643] [2021-07-14 08:33:01,750 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588896643] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:33:01,750 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [409225104] [2021-07-14 08:33:01,750 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 08:33:01,804 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-14 08:33:01,804 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 08:33:01,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-14 08:33:01,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 08:33:02,070 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:33:02,071 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [409225104] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:33:02,071 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 08:33:02,071 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 26 [2021-07-14 08:33:02,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692185921] [2021-07-14 08:33:02,072 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-14 08:33:02,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 08:33:02,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-14 08:33:02,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=638, Unknown=0, NotChecked=0, Total=702 [2021-07-14 08:33:02,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:33:02,073 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 08:33:02,073 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 26 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 08:33:02,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 08:33:02,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:33:02,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:33:02,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:33:02,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:33:02,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:33:02,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 08:33:02,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 08:33:02,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:33:02,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:33:02,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 08:33:02,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 08:33:02,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 08:33:02,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:33:02,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 08:33:02,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:33:02,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:33:02,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:33:02,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:33:02,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:33:02,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 08:33:02,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 08:33:02,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:33:02,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:33:02,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 08:33:02,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 08:33:02,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 08:33:02,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 08:33:02,772 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable315,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 08:33:02,772 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 08:33:02,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 08:33:02,775 INFO L82 PathProgramCache]: Analyzing trace with hash -1037432138, now seen corresponding path program 13 times [2021-07-14 08:33:02,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 08:33:02,775 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498047949] [2021-07-14 08:33:02,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 08:33:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:33:02,955 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 08:33:02,955 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 08:33:02,955 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498047949] [2021-07-14 08:33:02,955 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498047949] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:33:02,955 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730924582] [2021-07-14 08:33:02,955 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 08:33:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:33:02,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 23 conjunts are in the unsatisfiable core [2021-07-14 08:33:02,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 08:33:03,142 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 08:33:03,143 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730924582] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:33:03,143 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 08:33:03,143 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-07-14 08:33:03,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196867835] [2021-07-14 08:33:03,143 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-14 08:33:03,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 08:33:03,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-14 08:33:03,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=493, Unknown=0, NotChecked=0, Total=552 [2021-07-14 08:33:03,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:33:03,144 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 08:33:03,144 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 08:33:03,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 08:33:03,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:33:03,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:33:03,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:33:03,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:33:03,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:33:03,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 08:33:03,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 08:33:03,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:33:03,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:33:03,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 08:33:03,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 08:33:03,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 08:33:03,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 08:33:03,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:33:03,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 08:33:03,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:33:03,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:33:03,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:33:03,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:33:03,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:33:03,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 08:33:03,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 08:33:03,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:33:03,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:33:03,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 08:33:03,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 08:33:03,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 08:33:03,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 08:33:03,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 08:33:03,781 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable316 [2021-07-14 08:33:03,781 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 08:33:03,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 08:33:03,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1738867944, now seen corresponding path program 14 times [2021-07-14 08:33:03,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 08:33:03,781 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778747203] [2021-07-14 08:33:03,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 08:33:03,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:33:03,880 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:33:03,880 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 08:33:03,880 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778747203] [2021-07-14 08:33:03,880 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778747203] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:33:03,880 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634343482] [2021-07-14 08:33:03,881 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 08:33:03,907 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 08:33:03,907 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 08:33:03,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 37 conjunts are in the unsatisfiable core [2021-07-14 08:33:03,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 08:33:04,538 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-07-14 08:33:04,538 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 08:33:04,538 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 08:33:05,443 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 380 [2021-07-14 08:33:05,609 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 383 [2021-07-14 08:33:06,649 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 321 [2021-07-14 08:33:06,856 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 513 [2021-07-14 08:33:07,113 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 516 [2021-07-14 08:33:07,613 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 757 [2021-07-14 08:33:08,176 WARN L205 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 938 DAG size of output: 782 [2021-07-14 08:33:09,046 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 397 [2021-07-14 08:33:09,230 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 432 [2021-07-14 08:33:09,455 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 439 [2021-07-14 08:33:10,177 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 387 [2021-07-14 08:33:10,823 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 392 [2021-07-14 08:33:11,112 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 687 [2021-07-14 08:33:11,478 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 720 [2021-07-14 08:33:11,923 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 727 [2021-07-14 08:33:12,682 WARN L205 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 1118 DAG size of output: 985 [2021-07-14 08:33:13,558 WARN L205 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 1140 DAG size of output: 1008 [2021-07-14 08:33:15,112 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 1924 DAG size of output: 1536 [2021-07-14 08:33:16,235 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 483 [2021-07-14 08:33:16,453 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 486 [2021-07-14 08:33:17,149 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 344 [2021-07-14 08:33:17,292 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 347 [2021-07-14 08:33:17,695 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 711 [2021-07-14 08:33:18,175 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 737 [2021-07-14 08:33:18,947 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 367 [2021-07-14 08:33:19,107 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 402 [2021-07-14 08:33:19,307 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 408 [2021-07-14 08:33:19,879 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 370 [2021-07-14 08:33:20,491 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 363 [2021-07-14 08:33:20,734 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 657 [2021-07-14 08:33:21,050 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 690 [2021-07-14 08:33:21,447 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 696 [2021-07-14 08:33:22,107 WARN L205 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 1082 DAG size of output: 940 [2021-07-14 08:33:22,887 WARN L205 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 964 [2021-07-14 08:33:24,277 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1466 [2021-07-14 08:33:27,729 WARN L205 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 3619 DAG size of output: 2834 [2021-07-14 08:33:31,726 WARN L205 SmtUtils]: Spent 3.98 s on a formula simplification. DAG size of input: 3664 DAG size of output: 2879 [2021-07-14 08:33:36,256 WARN L205 SmtUtils]: Spent 4.51 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-07-14 08:33:40,794 WARN L205 SmtUtils]: Spent 4.52 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-07-14 08:33:46,139 WARN L205 SmtUtils]: Spent 5.33 s on a formula simplification. DAG size of input: 3707 DAG size of output: 2922 [2021-07-14 08:33:51,084 WARN L205 SmtUtils]: Spent 4.92 s on a formula simplification. DAG size of input: 2924 DAG size of output: 2915 [2021-07-14 08:33:56,401 WARN L205 SmtUtils]: Spent 5.30 s on a formula simplification. DAG size of input: 2912 DAG size of output: 3217 [2021-07-14 08:34:04,704 WARN L205 SmtUtils]: Spent 8.27 s on a formula simplification. DAG size of input: 2696 DAG size of output: 3553 [2021-07-14 08:34:04,880 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 2516 [2021-07-14 08:34:06,046 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 278 [2021-07-14 08:34:07,989 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 2495 DAG size of output: 2494 [2021-07-14 08:34:14,774 WARN L205 SmtUtils]: Spent 6.77 s on a formula simplification. DAG size of input: 2493 DAG size of output: 3700 [2021-07-14 08:34:15,095 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 2169 DAG size of output: 2169 [2021-07-14 08:34:15,389 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 2126 DAG size of output: 2126 [2021-07-14 08:34:16,390 WARN L205 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 977 [2021-07-14 08:34:16,698 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 339 [2021-07-14 08:34:18,225 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 257 [2021-07-14 08:34:18,458 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 340 [2021-07-14 08:34:18,773 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 396 [2021-07-14 08:34:19,253 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 592 [2021-07-14 08:34:19,359 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 337 [2021-07-14 08:34:20,124 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 185 [2021-07-14 08:34:20,262 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 243 [2021-07-14 08:34:20,619 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 265 [2021-07-14 08:34:20,937 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 425 [2021-07-14 08:34:21,419 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 623 [2021-07-14 08:34:22,500 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 1090 DAG size of output: 844 [2021-07-14 08:34:23,670 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 253 [2021-07-14 08:34:23,902 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 322 [2021-07-14 08:34:24,198 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 350 [2021-07-14 08:34:25,199 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 285 [2021-07-14 08:34:25,452 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 391 [2021-07-14 08:34:25,783 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 449 [2021-07-14 08:34:26,635 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 173 [2021-07-14 08:34:26,781 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 238 [2021-07-14 08:34:26,993 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 360 [2021-07-14 08:34:27,267 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 396 [2021-07-14 08:34:27,624 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 455 [2021-07-14 08:34:28,391 WARN L205 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 659 [2021-07-14 08:34:29,410 WARN L205 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 710 [2021-07-14 08:34:30,157 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2021-07-14 08:34:30,304 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 245 [2021-07-14 08:34:30,480 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 305 [2021-07-14 08:34:30,721 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 409 [2021-07-14 08:34:31,036 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 472 [2021-07-14 08:34:32,063 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 221 [2021-07-14 08:34:32,225 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 275 [2021-07-14 08:34:32,439 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 374 [2021-07-14 08:34:32,729 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 411 [2021-07-14 08:34:33,101 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 475 [2021-07-14 08:34:33,866 WARN L205 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 714 [2021-07-14 08:34:35,774 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 1682 DAG size of output: 1237 [2021-07-14 08:34:38,891 WARN L205 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 2518 DAG size of output: 1697 [2021-07-14 08:34:42,471 WARN L205 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 2537 DAG size of output: 1736 [2021-07-14 08:34:47,081 WARN L205 SmtUtils]: Spent 4.60 s on a formula simplification. DAG size of input: 2890 DAG size of output: 1831 [2021-07-14 08:34:48,228 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 700 DAG size of output: 1050 [2021-07-14 08:34:48,616 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 660 [2021-07-14 08:34:49,223 WARN L205 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 647 DAG size of output: 823 [2021-07-14 08:34:50,007 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 219 [2021-07-14 08:34:50,254 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 257 [2021-07-14 08:34:50,468 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 285 [2021-07-14 08:34:50,749 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 348 [2021-07-14 08:34:51,150 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 513 [2021-07-14 08:34:51,343 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 429 [2021-07-14 08:34:52,342 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 283 [2021-07-14 08:34:52,537 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 309 [2021-07-14 08:34:53,469 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 270 [2021-07-14 08:34:53,642 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 296 [2021-07-14 08:34:54,038 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 492 [2021-07-14 08:34:54,595 WARN L205 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 624 [2021-07-14 08:34:55,397 WARN L205 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 814 [2021-07-14 08:34:56,667 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 1338 DAG size of output: 1058 [2021-07-14 08:34:58,434 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 1723 DAG size of output: 1396 [2021-07-14 08:34:59,141 WARN L205 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 828 [2021-07-14 08:34:59,763 WARN L205 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 766 [2021-07-14 08:35:00,157 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 639 [2021-07-14 08:35:00,275 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 332 [2021-07-14 08:35:01,838 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 224 [2021-07-14 08:35:01,980 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 248 [2021-07-14 08:35:02,143 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 212 [2021-07-14 08:35:02,456 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 388 [2021-07-14 08:35:03,099 WARN L205 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 707 [2021-07-14 08:35:04,076 WARN L205 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 1357 DAG size of output: 863 [2021-07-14 08:35:05,498 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1729 DAG size of output: 1197 [2021-07-14 08:35:09,054 WARN L205 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 2363 DAG size of output: 1672 [2021-07-14 08:35:13,153 WARN L205 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 2424 DAG size of output: 1716 [2021-07-14 08:35:19,028 WARN L205 SmtUtils]: Spent 5.87 s on a formula simplification. DAG size of input: 2831 DAG size of output: 1844 [2021-07-14 08:35:30,649 WARN L205 SmtUtils]: Spent 11.61 s on a formula simplification. DAG size of input: 5382 DAG size of output: 3237 [2021-07-14 08:35:31,953 WARN L205 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 707 DAG size of output: 1000 [2021-07-14 08:35:32,550 WARN L205 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 712 [2021-07-14 08:35:33,367 WARN L205 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 877 [2021-07-14 08:35:33,893 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 729 [2021-07-14 08:35:34,774 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 262 [2021-07-14 08:35:34,984 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 300 [2021-07-14 08:35:35,217 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 374 [2021-07-14 08:35:36,162 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 229 [2021-07-14 08:35:37,044 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 344 [2021-07-14 08:35:38,010 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 334 [2021-07-14 08:35:39,236 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 369 [2021-07-14 08:35:39,696 WARN L205 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 560 [2021-07-14 08:35:40,532 WARN L205 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 902 DAG size of output: 726 [2021-07-14 08:35:41,536 WARN L205 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 962 DAG size of output: 768 [2021-07-14 08:35:42,810 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 1071 DAG size of output: 879 [2021-07-14 08:35:44,167 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1304 DAG size of output: 904 [2021-07-14 08:35:46,168 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 1744 DAG size of output: 1304 [2021-07-14 08:35:48,878 WARN L205 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 2015 DAG size of output: 1655 [2021-07-14 08:35:49,748 WARN L205 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 879 [2021-07-14 08:35:50,128 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 490 [2021-07-14 08:35:50,435 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 491 [2021-07-14 08:35:51,770 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 260 [2021-07-14 08:35:52,672 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 289 [2021-07-14 08:35:52,954 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 317 [2021-07-14 08:35:53,365 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 433 [2021-07-14 08:35:54,123 WARN L205 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 821 DAG size of output: 666 [2021-07-14 08:35:55,228 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 945 DAG size of output: 803 [2021-07-14 08:35:55,416 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 354 [2021-07-14 08:35:56,102 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 338 [2021-07-14 08:35:56,291 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 377 [2021-07-14 08:35:56,587 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 443 [2021-07-14 08:35:57,911 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1314 DAG size of output: 1007 [2021-07-14 08:35:59,872 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 1586 DAG size of output: 1355 [2021-07-14 08:36:04,936 WARN L205 SmtUtils]: Spent 5.06 s on a formula simplification. DAG size of input: 2617 DAG size of output: 2064 [2021-07-14 08:36:11,976 WARN L205 SmtUtils]: Spent 7.03 s on a formula simplification. DAG size of input: 2989 DAG size of output: 2220 [2021-07-14 08:36:19,822 WARN L205 SmtUtils]: Spent 7.83 s on a formula simplification. DAG size of input: 3049 DAG size of output: 2305 [2021-07-14 08:36:20,528 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 573 [2021-07-14 08:36:21,245 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 296 [2021-07-14 08:36:21,417 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 358 [2021-07-14 08:36:22,165 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 451 [2021-07-14 08:36:23,114 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 215 [2021-07-14 08:36:23,285 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 254 [2021-07-14 08:36:23,516 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 348 [2021-07-14 08:36:23,836 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 399 [2021-07-14 08:36:24,229 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 425 [2021-07-14 08:36:24,714 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 485 [2021-07-14 08:36:25,302 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 521 [2021-07-14 08:36:26,649 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 328 [2021-07-14 08:36:26,922 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 369 [2021-07-14 08:36:27,267 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 394 [2021-07-14 08:36:27,753 WARN L205 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 433 [2021-07-14 08:36:28,306 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 517 [2021-07-14 08:36:28,983 WARN L205 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 580 [2021-07-14 08:36:30,364 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 978 DAG size of output: 863 [2021-07-14 08:36:31,280 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 202 [2021-07-14 08:36:31,448 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 256 [2021-07-14 08:36:31,717 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 384 [2021-07-14 08:36:32,062 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 442 [2021-07-14 08:36:32,260 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 292 [2021-07-14 08:36:32,916 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 328 [2021-07-14 08:36:33,153 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 391 [2021-07-14 08:36:33,457 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 450 [2021-07-14 08:36:34,184 WARN L205 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 639 [2021-07-14 08:36:35,316 WARN L205 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 800 DAG size of output: 715 [2021-07-14 08:36:37,915 WARN L205 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 1872 DAG size of output: 1482 [2021-07-14 08:36:41,288 WARN L205 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 2070 DAG size of output: 1568 [2021-07-14 08:36:41,431 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 361 [2021-07-14 08:36:42,055 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 344 [2021-07-14 08:36:42,251 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 367 [2021-07-14 08:36:42,863 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 246 [2021-07-14 08:36:43,227 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 486 [2021-07-14 08:36:44,281 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 243 [2021-07-14 08:36:44,437 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 266 [2021-07-14 08:36:44,638 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 324 [2021-07-14 08:36:44,945 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 457 [2021-07-14 08:36:45,374 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 599 [2021-07-14 08:36:46,249 WARN L205 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 817 [2021-07-14 08:36:47,455 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 1006 DAG size of output: 867 [2021-07-14 08:36:48,555 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 318 [2021-07-14 08:36:48,736 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 388 [2021-07-14 08:36:48,983 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 406 [2021-07-14 08:36:49,276 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 422 [2021-07-14 08:36:49,662 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 470 [2021-07-14 08:36:51,481 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 1433 DAG size of output: 1082 [2021-07-14 08:36:56,863 WARN L205 SmtUtils]: Spent 5.37 s on a formula simplification. DAG size of input: 2994 DAG size of output: 2129 [2021-07-14 08:37:02,954 WARN L205 SmtUtils]: Spent 6.08 s on a formula simplification. DAG size of input: 3038 DAG size of output: 2179 [2021-07-14 08:37:18,070 WARN L205 SmtUtils]: Spent 15.10 s on a formula simplification. DAG size of input: 5719 DAG size of output: 3928 [2021-07-14 08:37:47,215 WARN L205 SmtUtils]: Spent 29.12 s on a formula simplification. DAG size of input: 8989 DAG size of output: 5710 [2021-07-14 08:37:48,272 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 329 [2021-07-14 08:37:48,460 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 340 [2021-07-14 08:38:21,039 WARN L205 SmtUtils]: Spent 32.56 s on a formula simplification. DAG size of input: 9287 DAG size of output: 5929 [2021-07-14 08:38:59,557 WARN L205 SmtUtils]: Spent 38.47 s on a formula simplification. DAG size of input: 10982 DAG size of output: 7649 [2021-07-14 08:39:00,656 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 295 [2021-07-14 08:39:00,862 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 410 [2021-07-14 08:39:01,106 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 416 [2021-07-14 08:39:40,488 WARN L205 SmtUtils]: Spent 39.36 s on a formula simplification. DAG size of input: 11394 DAG size of output: 7943 [2021-07-14 08:40:21,023 WARN L205 SmtUtils]: Spent 40.48 s on a formula simplification. DAG size of input: 11649 DAG size of output: 8097 [2021-07-14 08:41:08,526 WARN L205 SmtUtils]: Spent 47.44 s on a formula simplification. DAG size of input: 12976 DAG size of output: 9218 [2021-07-14 08:41:12,142 WARN L205 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1636 [2021-07-14 08:41:12,303 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 1238 [2021-07-14 08:41:13,752 WARN L205 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 1216 [2021-07-14 08:41:14,386 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 240 [2021-07-14 08:41:17,362 WARN L205 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 1215 DAG size of output: 1779 [2021-07-14 08:41:17,521 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 1093 DAG size of output: 1093 [2021-07-14 08:41:17,663 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 1052 DAG size of output: 1052 [2021-07-14 08:41:18,777 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 686 DAG size of output: 991 [2021-07-14 08:41:19,485 WARN L205 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 739 [2021-07-14 08:41:20,443 WARN L205 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 766 [2021-07-14 08:41:21,228 WARN L205 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 791 [2021-07-14 08:41:21,573 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 441 [2021-07-14 08:41:22,346 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2021-07-14 08:41:22,521 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 291 [2021-07-14 08:41:22,903 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 348 [2021-07-14 08:41:23,265 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 453 [2021-07-14 08:41:23,702 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 477 [2021-07-14 08:41:25,297 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 417 [2021-07-14 08:41:25,616 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 435 [2021-07-14 08:41:26,453 WARN L205 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 758 [2021-07-14 08:41:27,550 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 1152 DAG size of output: 843 [2021-07-14 08:41:29,047 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1015 [2021-07-14 08:41:29,980 WARN L205 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 765 [2021-07-14 08:41:31,100 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 675 DAG size of output: 790 [2021-07-14 08:41:31,400 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 428 [2021-07-14 08:41:32,077 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 281 [2021-07-14 08:41:32,306 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 391 [2021-07-14 08:41:32,662 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 464 [2021-07-14 08:41:32,784 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 266 [2021-07-14 08:41:32,919 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 267 [2021-07-14 08:41:33,570 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2021-07-14 08:41:33,747 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2021-07-14 08:41:34,573 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 265 [2021-07-14 08:41:34,761 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 290 [2021-07-14 08:41:35,176 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 384 [2021-07-14 08:41:36,123 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 261 [2021-07-14 08:41:36,652 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 319 [2021-07-14 08:41:36,947 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 344 [2021-07-14 08:41:37,769 WARN L205 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 516 [2021-07-14 08:41:38,812 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 592 DAG size of output: 578 [2021-07-14 08:41:40,141 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 819 DAG size of output: 697 [2021-07-14 08:41:41,901 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 1184 DAG size of output: 905 [2021-07-14 08:41:44,162 WARN L205 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 1312 DAG size of output: 996 [2021-07-14 08:41:46,961 WARN L205 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 1416 DAG size of output: 1170 [2021-07-14 08:41:51,649 WARN L205 SmtUtils]: Spent 4.68 s on a formula simplification. DAG size of input: 1833 DAG size of output: 1517 [2021-07-14 08:41:57,979 WARN L205 SmtUtils]: Spent 6.32 s on a formula simplification. DAG size of input: 2174 DAG size of output: 1614 [2021-07-14 08:41:58,388 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 546 [2021-07-14 08:41:58,594 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 391 [2021-07-14 08:41:58,801 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 417 [2021-07-14 08:41:59,152 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 455 [2021-07-14 08:42:00,726 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 216 [2021-07-14 08:42:00,907 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 246 [2021-07-14 08:42:01,155 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 330 [2021-07-14 08:42:01,555 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 454 [2021-07-14 08:42:02,100 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 572 [2021-07-14 08:42:02,224 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 304 [2021-07-14 08:42:02,400 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 323 [2021-07-14 08:42:02,503 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 263 [2021-07-14 08:42:03,635 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 162 [2021-07-14 08:42:03,802 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 220 [2021-07-14 08:42:04,008 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 247 [2021-07-14 08:42:04,314 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 336 [2021-07-14 08:42:04,695 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 404 [2021-07-14 08:42:05,281 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 290 [2021-07-14 08:42:05,883 WARN L205 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 847 DAG size of output: 578 [2021-07-14 08:42:07,148 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 933 DAG size of output: 641 [2021-07-14 08:42:08,633 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 960 DAG size of output: 668 [2021-07-14 08:42:10,669 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 1138 DAG size of output: 701 [2021-07-14 08:42:10,909 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 487 [2021-07-14 08:42:11,181 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-07-14 08:42:11,357 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-07-14 08:42:11,549 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 362 [2021-07-14 08:42:12,674 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 219 [2021-07-14 08:42:12,884 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 243 [2021-07-14 08:42:13,150 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 341 [2021-07-14 08:42:13,518 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 403 [2021-07-14 08:42:14,018 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 476 [2021-07-14 08:42:14,204 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-07-14 08:42:14,398 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-07-14 08:42:15,505 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 313 [2021-07-14 08:42:15,689 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 333 [2021-07-14 08:42:15,971 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 401 [2021-07-14 08:42:16,382 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 471 [2021-07-14 08:42:17,396 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 837 DAG size of output: 632 [2021-07-14 08:42:18,738 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 1009 DAG size of output: 667 [2021-07-14 08:42:22,105 WARN L205 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 1961 DAG size of output: 1076 [2021-07-14 08:42:31,864 WARN L205 SmtUtils]: Spent 9.75 s on a formula simplification. DAG size of input: 3390 DAG size of output: 2173 [2021-07-14 08:42:43,263 WARN L205 SmtUtils]: Spent 11.03 s on a formula simplification. DAG size of input: 3507 DAG size of output: 2263 [2021-07-14 08:42:56,516 WARN L205 SmtUtils]: Spent 13.24 s on a formula simplification. DAG size of input: 4235 DAG size of output: 2787 [2021-07-14 08:43:09,969 WARN L205 SmtUtils]: Spent 13.43 s on a formula simplification. DAG size of input: 4456 DAG size of output: 2926 [2021-07-14 08:43:23,512 WARN L205 SmtUtils]: Spent 13.52 s on a formula simplification. DAG size of input: 4635 DAG size of output: 3051 [2021-07-14 08:43:39,105 WARN L205 SmtUtils]: Spent 15.57 s on a formula simplification. DAG size of input: 5120 DAG size of output: 3306 [2021-07-14 08:44:43,716 WARN L205 SmtUtils]: Spent 1.08 m on a formula simplification. DAG size of input: 16679 DAG size of output: 11341 [2021-07-14 08:45:55,634 WARN L205 SmtUtils]: Spent 1.20 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 [2021-07-14 08:47:07,234 WARN L205 SmtUtils]: Spent 1.19 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