/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 10:19:40,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 10:19:40,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 10:19:40,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 10:19:40,846 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe.epf [2021-07-14 10:19:40,868 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 10:19:40,868 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 10:19:40,868 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 10:19:40,868 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 10:19:40,869 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 10:19:40,869 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 10:19:40,870 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 10:19:40,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 10:19:40,870 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 10:19:40,870 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 10:19:40,870 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 10:19:40,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 10:19:40,870 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 10:19:40,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 10:19:40,871 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 10:19:40,871 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 10:19:40,871 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 10:19:40,871 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 10:19:40,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 10:19:40,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 10:19:40,872 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 10:19:40,872 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 10:19:40,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 10:19:40,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 10:19:40,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 10:19:40,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 10:19:40,872 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 10:19:40,873 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 10:19:40,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 10:19:40,873 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 10:19:40,873 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 10:19:40,873 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 10:19:40,873 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-14 10:19:40,873 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 10:19:41,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 10:19:41,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 10:19:41,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 10:19:41,149 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 10:19:41,151 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 10:19:41,152 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl [2021-07-14 10:19:41,152 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl' [2021-07-14 10:19:41,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 10:19:41,180 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 10:19:41,181 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 10:19:41,181 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 10:19:41,181 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 10:19:41,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:19:41" (1/1) ... [2021-07-14 10:19:41,198 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:19:41" (1/1) ... [2021-07-14 10:19:41,204 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 10:19:41,205 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 10:19:41,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 10:19:41,206 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 10:19:41,212 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:19:41" (1/1) ... [2021-07-14 10:19:41,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:19:41" (1/1) ... [2021-07-14 10:19:41,212 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:19:41" (1/1) ... [2021-07-14 10:19:41,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:19:41" (1/1) ... [2021-07-14 10:19:41,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:19:41" (1/1) ... [2021-07-14 10:19:41,216 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:19:41" (1/1) ... [2021-07-14 10:19:41,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:19:41" (1/1) ... [2021-07-14 10:19:41,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 10:19:41,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 10:19:41,218 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 10:19:41,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 10:19:41,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:19:41" (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 10:19:41,278 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 10:19:41,278 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 10:19:41,278 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 10:19:41,278 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 10:19:41,278 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 10:19:41,278 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 10:19:41,279 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 10:19:41,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 10:19:41,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 10:19:41,279 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 10:19:41,592 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 10:19:41,593 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-14 10:19:41,594 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-14 10:19:41,594 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-14 10:19:41,609 INFO L202 PluginConnector]: Adding new model unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 10:19:41 BoogieIcfgContainer [2021-07-14 10:19:41,609 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 10:19:41,611 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 10:19:41,611 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 10:19:41,613 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 10:19:41,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:19:41" (1/2) ... [2021-07-14 10:19:41,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@751a3da0 and model type unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 10:19:41, skipping insertion in model container [2021-07-14 10:19:41,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 10:19:41" (2/2) ... [2021-07-14 10:19:41,615 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-3.wvr.bpl [2021-07-14 10:19:41,620 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 10:19:41,620 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 10:19:41,620 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 10:19:41,620 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 10:19:41,645 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 10:19:41,664 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 10:19:41,715 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 10:19:41,715 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 10:19:41,715 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 10:19:41,715 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 10:19:41,716 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 10:19:41,716 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 10:19:41,716 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 10:19:41,716 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 10:19:41,781 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:19:41,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:19:41,785 INFO L82 PathProgramCache]: Analyzing trace with hash 1893131829, now seen corresponding path program 1 times [2021-07-14 10:19:41,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:19:41,793 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249993762] [2021-07-14 10:19:41,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:19:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:19:41,930 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 10:19:41,931 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:19:41,931 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249993762] [2021-07-14 10:19:41,932 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249993762] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 10:19:41,932 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 10:19:41,936 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 10:19:41,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825370021] [2021-07-14 10:19:41,941 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 10:19:41,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:19:41,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 10:19:41,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 10:19:41,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:19:41,956 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:19:41,958 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 10:19:41,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:19:41,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:19:41,982 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 10:19:41,982 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:19:41,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:19:41,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1930821543, now seen corresponding path program 1 times [2021-07-14 10:19:41,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:19:41,985 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329673216] [2021-07-14 10:19:41,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:19:42,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:19:42,056 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 10:19:42,056 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:19:42,057 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329673216] [2021-07-14 10:19:42,057 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329673216] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:19:42,057 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [99083817] [2021-07-14 10:19:42,057 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 10:19:42,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:19:42,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-14 10:19:42,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:19:42,181 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 10:19:42,181 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [99083817] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:19:42,181 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:19:42,182 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-07-14 10:19:42,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079501658] [2021-07-14 10:19:42,183 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 10:19:42,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:19:42,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 10:19:42,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-14 10:19:42,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:19:42,185 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:19:42,186 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 10:19:42,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:19:42,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:19:42,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:19:42,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:19:42,441 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:19:42,441 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:19:42,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:19:42,442 INFO L82 PathProgramCache]: Analyzing trace with hash -251002636, now seen corresponding path program 1 times [2021-07-14 10:19:42,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:19:42,442 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404761017] [2021-07-14 10:19:42,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:19:42,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:19:42,482 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 10:19:42,483 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:19:42,483 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404761017] [2021-07-14 10:19:42,483 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404761017] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:19:42,484 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1437008292] [2021-07-14 10:19:42,484 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 10:19:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:19:42,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-14 10:19:42,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:19:42,563 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 10:19:42,563 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1437008292] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:19:42,563 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:19:42,563 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-07-14 10:19:42,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373521166] [2021-07-14 10:19:42,564 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 10:19:42,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:19:42,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 10:19:42,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 10:19:42,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:19:42,565 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:19:42,565 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 10:19:42,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:19:42,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:19:42,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:19:42,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:19:42,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:19:42,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:19:42,806 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:19:42,807 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:19:42,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:19:42,807 INFO L82 PathProgramCache]: Analyzing trace with hash 1609074150, now seen corresponding path program 2 times [2021-07-14 10:19:42,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:19:42,808 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197616362] [2021-07-14 10:19:42,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:19:42,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:19:42,868 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 10:19:42,868 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:19:42,868 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197616362] [2021-07-14 10:19:42,868 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197616362] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:19:42,869 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1906855658] [2021-07-14 10:19:42,869 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 10:19:42,898 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 10:19:42,899 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:19:42,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 10:19:42,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:19:42,948 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 10:19:42,948 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1906855658] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:19:42,948 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:19:42,948 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-07-14 10:19:42,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610732972] [2021-07-14 10:19:42,949 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 10:19:42,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:19:42,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 10:19:42,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-14 10:19:42,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:19:42,950 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:19:42,950 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 10:19:42,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:19:42,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:19:42,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:19:42,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:19:42,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:19:42,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:19:42,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:19:42,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:19:43,200 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:19:43,201 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:19:43,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:19:43,201 INFO L82 PathProgramCache]: Analyzing trace with hash -858087628, now seen corresponding path program 3 times [2021-07-14 10:19:43,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:19:43,202 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151630011] [2021-07-14 10:19:43,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:19:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:19:43,279 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:19:43,280 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:19:43,280 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151630011] [2021-07-14 10:19:43,280 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151630011] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:19:43,280 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1863305376] [2021-07-14 10:19:43,280 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 10:19:43,309 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 10:19:43,310 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:19:43,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-14 10:19:43,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:19:43,409 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:19:43,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-07-14 10:19:43,428 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:19:43,430 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:19:43,430 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:19:43,430 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-07-14 10:19:43,437 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:19:43,438 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1863305376] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:19:43,438 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:19:43,438 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 9 [2021-07-14 10:19:43,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314807591] [2021-07-14 10:19:43,439 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 10:19:43,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:19:43,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 10:19:43,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-07-14 10:19:43,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:19:43,440 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:19:43,440 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 10:19:43,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:19:43,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:19:43,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:19:43,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:19:43,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:19:43,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:19:43,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:19:43,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:19:43,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:19:43,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:19:43,696 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:19:43,697 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:19:43,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:19:43,697 INFO L82 PathProgramCache]: Analyzing trace with hash -30691418, now seen corresponding path program 4 times [2021-07-14 10:19:43,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:19:43,698 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804102289] [2021-07-14 10:19:43,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:19:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:19:43,752 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:19:43,752 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:19:43,753 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804102289] [2021-07-14 10:19:43,753 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804102289] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:19:43,753 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132379591] [2021-07-14 10:19:43,753 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 10:19:43,789 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 10:19:43,790 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:19:43,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 10:19:43,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:19:43,851 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:19:43,852 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1132379591] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:19:43,852 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:19:43,852 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-07-14 10:19:43,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180032006] [2021-07-14 10:19:43,853 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 10:19:43,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:19:43,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 10:19:43,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-07-14 10:19:43,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:19:43,854 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:19:43,854 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 10:19:43,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:19:43,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:19:43,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:19:43,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:19:43,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:19:43,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:19:43,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:19:43,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:19:43,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:19:43,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:19:43,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:19:43,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:19:44,148 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:19:44,149 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:19:44,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:19:44,153 INFO L82 PathProgramCache]: Analyzing trace with hash -928362283, now seen corresponding path program 5 times [2021-07-14 10:19:44,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:19:44,153 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673649377] [2021-07-14 10:19:44,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:19:44,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:19:44,216 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 10:19:44,217 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:19:44,217 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673649377] [2021-07-14 10:19:44,217 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673649377] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:19:44,219 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367209308] [2021-07-14 10:19:44,219 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 10:19:44,288 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-14 10:19:44,289 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:19:44,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-14 10:19:44,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:19:44,370 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 10:19:44,371 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367209308] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:19:44,371 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:19:44,371 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-07-14 10:19:44,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503832230] [2021-07-14 10:19:44,373 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 10:19:44,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:19:44,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 10:19:44,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-07-14 10:19:44,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:19:44,381 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:19:44,381 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 10:19:44,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:19:44,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:19:44,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:19:44,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:19:44,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:19:44,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:19:44,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:19:44,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:19:44,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:19:44,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:19:44,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:19:44,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:19:44,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:19:44,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:19:44,744 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:19:44,745 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:19:44,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:19:44,745 INFO L82 PathProgramCache]: Analyzing trace with hash 74628437, now seen corresponding path program 6 times [2021-07-14 10:19:44,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:19:44,746 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165366096] [2021-07-14 10:19:44,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:19:44,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:19:44,892 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:19:44,893 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:19:44,893 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165366096] [2021-07-14 10:19:44,893 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165366096] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:19:44,893 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [4854371] [2021-07-14 10:19:44,893 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 10:19:44,930 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-14 10:19:44,931 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:19:44,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 10:19:44,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:19:45,051 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 10:19:45,052 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [4854371] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:19:45,052 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:19:45,052 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 16 [2021-07-14 10:19:45,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53140055] [2021-07-14 10:19:45,053 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 10:19:45,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:19:45,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 10:19:45,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2021-07-14 10:19:45,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:19:45,054 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:19:45,054 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.7058823529411764) internal successors, (29), 16 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 10:19:45,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:19:45,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:19:45,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:19:45,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:19:45,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:19:45,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:19:45,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:19:45,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:19:45,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:19:45,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:19:45,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:19:45,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:19:45,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:19:45,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:19:45,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:19:45,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:19:45,471 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-07-14 10:19:45,471 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:19:45,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:19:45,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1958414074, now seen corresponding path program 7 times [2021-07-14 10:19:45,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:19:45,472 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537909170] [2021-07-14 10:19:45,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:19:45,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:19:45,582 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-14 10:19:45,582 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:19:45,583 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537909170] [2021-07-14 10:19:45,583 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537909170] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:19:45,583 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [855847314] [2021-07-14 10:19:45,583 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 10:19:45,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:19:45,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-14 10:19:45,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:19:45,741 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 10:19:45,741 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [855847314] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:19:45,741 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:19:45,741 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2021-07-14 10:19:45,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461540014] [2021-07-14 10:19:45,742 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 10:19:45,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:19:45,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 10:19:45,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2021-07-14 10:19:45,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:19:45,743 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:19:45,743 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5625) internal successors, (25), 15 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 10:19:45,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:19:45,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:19:45,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:19:45,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:19:45,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:19:45,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:19:45,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:19:45,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:19:45,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:19:45,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:19:45,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:19:45,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:19:45,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:19:45,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:19:45,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:19:45,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:19:45,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:19:45,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:19:46,160 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:19:46,161 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:19:46,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:19:46,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1041767340, now seen corresponding path program 8 times [2021-07-14 10:19:46,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:19:46,161 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023374404] [2021-07-14 10:19:46,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:19:46,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:19:46,255 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:19:46,255 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:19:46,255 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023374404] [2021-07-14 10:19:46,255 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023374404] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:19:46,255 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1860476920] [2021-07-14 10:19:46,256 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 10:19:46,288 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 10:19:46,288 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:19:46,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-14 10:19:46,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:19:46,729 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-07-14 10:19:46,729 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:19:46,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 43 treesize of output 319 [2021-07-14 10:19:47,555 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 182 [2021-07-14 10:19:47,661 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 207 [2021-07-14 10:19:48,363 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 288 [2021-07-14 10:19:48,562 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 273 [2021-07-14 10:19:48,726 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 273 [2021-07-14 10:19:48,940 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 286 [2021-07-14 10:19:49,267 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 346 [2021-07-14 10:19:49,482 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 325 [2021-07-14 10:19:49,698 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 211 [2021-07-14 10:19:50,760 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 219 [2021-07-14 10:19:51,616 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 224 [2021-07-14 10:19:51,791 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 315 [2021-07-14 10:19:52,259 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 376 [2021-07-14 10:19:52,532 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 424 [2021-07-14 10:19:53,899 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 227 [2021-07-14 10:19:54,074 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 277 [2021-07-14 10:19:54,330 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 303 [2021-07-14 10:19:54,882 WARN L205 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 848 DAG size of output: 621 [2021-07-14 10:19:55,538 WARN L205 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 859 DAG size of output: 631 [2021-07-14 10:19:56,389 WARN L205 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 958 DAG size of output: 706 [2021-07-14 10:19:57,633 WARN L205 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 1019 DAG size of output: 750 [2021-07-14 10:19:58,693 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1106 DAG size of output: 776 [2021-07-14 10:19:59,748 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 1106 DAG size of output: 776 [2021-07-14 10:20:00,886 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 1112 DAG size of output: 782 [2021-07-14 10:20:02,281 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 784 DAG size of output: 960 [2021-07-14 10:20:03,339 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 737 DAG size of output: 805 [2021-07-14 10:20:05,015 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 283 [2021-07-14 10:20:05,127 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 282 [2021-07-14 10:20:05,300 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 335 [2021-07-14 10:20:05,557 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 348 [2021-07-14 10:20:06,084 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 726 DAG size of output: 355 [2021-07-14 10:20:06,897 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 441 [2021-07-14 10:20:07,513 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 971 DAG size of output: 480 [2021-07-14 10:20:08,014 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 1114 DAG size of output: 529 [2021-07-14 10:20:08,722 WARN L205 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 1320 DAG size of output: 647 [2021-07-14 10:20:09,429 WARN L205 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 1320 DAG size of output: 647 [2021-07-14 10:20:10,173 WARN L205 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 1324 DAG size of output: 652 [2021-07-14 10:20:10,890 WARN L205 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 675 [2021-07-14 10:20:11,410 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 615 DAG size of output: 517 [2021-07-14 10:20:11,597 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 201 [2021-07-14 10:20:12,311 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:20:12,313 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:20:12,313 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:20:12,313 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-07-14 10:20:12,322 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:20:12,322 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1860476920] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:20:12,322 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:20:12,323 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14] total 23 [2021-07-14 10:20:12,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294303297] [2021-07-14 10:20:12,324 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-14 10:20:12,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:20:12,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-14 10:20:12,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=495, Unknown=0, NotChecked=0, Total=552 [2021-07-14 10:20:12,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:20:12,325 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:20:12,325 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.5416666666666667) internal successors, (37), 23 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 10:20:12,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:20:12,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:12,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:12,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:20:12,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:20:12,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:20:12,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:20:12,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:20:12,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:20:12,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:20:12,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:20:12,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:12,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:12,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:20:12,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:20:12,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:20:12,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:20:12,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:20:12,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:20:12,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:20:12,746 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:20:12,747 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:20:12,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:20:12,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1840489338, now seen corresponding path program 9 times [2021-07-14 10:20:12,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:20:12,747 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560663921] [2021-07-14 10:20:12,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:20:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:20:12,933 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 55 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:20:12,934 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:20:12,934 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560663921] [2021-07-14 10:20:12,934 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560663921] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:20:12,934 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027688457] [2021-07-14 10:20:12,934 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 10:20:12,977 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-14 10:20:12,977 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:20:12,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-14 10:20:12,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:20:13,055 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 66 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:20:13,056 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027688457] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:20:13,056 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:20:13,056 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 18 [2021-07-14 10:20:13,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380015821] [2021-07-14 10:20:13,056 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 10:20:13,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:20:13,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 10:20:13,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2021-07-14 10:20:13,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:20:13,057 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:20:13,057 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 18 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 10:20:13,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:20:13,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:13,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:13,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:20:13,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:20:13,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:20:13,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:20:13,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:20:13,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:20:13,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:20:13,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:20:13,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:20:13,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:13,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:13,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:20:13,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:20:13,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:20:13,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:20:13,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:20:13,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:20:13,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:20:13,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:20:13,532 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1524 [2021-07-14 10:20:13,533 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:20:13,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:20:13,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1197522955, now seen corresponding path program 10 times [2021-07-14 10:20:13,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:20:13,534 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178420370] [2021-07-14 10:20:13,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:20:13,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:20:13,680 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:20:13,680 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:20:13,680 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178420370] [2021-07-14 10:20:13,680 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178420370] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:20:13,680 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712111983] [2021-07-14 10:20:13,681 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 10:20:13,722 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 10:20:13,723 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:20:13,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 39 conjunts are in the unsatisfiable core [2021-07-14 10:20:13,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:20:14,525 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-07-14 10:20:14,525 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:20:14,525 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 10:20:15,507 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 380 [2021-07-14 10:20:15,668 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 383 [2021-07-14 10:20:16,959 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 513 [2021-07-14 10:20:17,210 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 516 [2021-07-14 10:20:17,671 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 757 [2021-07-14 10:20:18,221 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 938 DAG size of output: 782 [2021-07-14 10:20:19,155 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 397 [2021-07-14 10:20:19,333 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 432 [2021-07-14 10:20:19,558 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 439 [2021-07-14 10:20:20,365 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 387 [2021-07-14 10:20:21,037 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 392 [2021-07-14 10:20:21,322 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 687 [2021-07-14 10:20:21,680 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 720 [2021-07-14 10:20:22,122 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 727 [2021-07-14 10:20:22,876 WARN L205 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 1118 DAG size of output: 985 [2021-07-14 10:20:23,747 WARN L205 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 1140 DAG size of output: 1008 [2021-07-14 10:20:25,289 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 1924 DAG size of output: 1536 [2021-07-14 10:20:26,523 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 483 [2021-07-14 10:20:26,740 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 486 [2021-07-14 10:20:27,545 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 344 [2021-07-14 10:20:27,685 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 347 [2021-07-14 10:20:28,123 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 711 [2021-07-14 10:20:28,592 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 737 [2021-07-14 10:20:29,313 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 367 [2021-07-14 10:20:29,462 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 402 [2021-07-14 10:20:29,649 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 408 [2021-07-14 10:20:30,307 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 370 [2021-07-14 10:20:30,900 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 363 [2021-07-14 10:20:31,146 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 657 [2021-07-14 10:20:31,458 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 690 [2021-07-14 10:20:31,844 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 696 [2021-07-14 10:20:32,488 WARN L205 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 1082 DAG size of output: 940 [2021-07-14 10:20:33,257 WARN L205 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 964 [2021-07-14 10:20:34,633 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1466 [2021-07-14 10:20:38,030 WARN L205 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 3619 DAG size of output: 2834 [2021-07-14 10:20:41,928 WARN L205 SmtUtils]: Spent 3.88 s on a formula simplification. DAG size of input: 3664 DAG size of output: 2879 [2021-07-14 10:20:46,351 WARN L205 SmtUtils]: Spent 4.41 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-07-14 10:20:50,832 WARN L205 SmtUtils]: Spent 4.46 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-07-14 10:20:56,057 WARN L205 SmtUtils]: Spent 5.21 s on a formula simplification. DAG size of input: 3707 DAG size of output: 2922 [2021-07-14 10:21:00,888 WARN L205 SmtUtils]: Spent 4.82 s on a formula simplification. DAG size of input: 2924 DAG size of output: 2915 [2021-07-14 10:21:06,330 WARN L205 SmtUtils]: Spent 5.42 s on a formula simplification. DAG size of input: 2912 DAG size of output: 3217 [2021-07-14 10:21:14,463 WARN L205 SmtUtils]: Spent 8.12 s on a formula simplification. DAG size of input: 2696 DAG size of output: 3553 [2021-07-14 10:21:14,631 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 2516 [2021-07-14 10:21:15,794 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 278 [2021-07-14 10:21:17,697 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 2495 DAG size of output: 2494 [2021-07-14 10:21:24,418 WARN L205 SmtUtils]: Spent 6.70 s on a formula simplification. DAG size of input: 2493 DAG size of output: 3700 [2021-07-14 10:21:24,734 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 2169 DAG size of output: 2169 [2021-07-14 10:21:25,026 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 2126 DAG size of output: 2126 [2021-07-14 10:21:26,018 WARN L205 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 977 [2021-07-14 10:21:26,294 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 339 [2021-07-14 10:21:27,818 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 257 [2021-07-14 10:21:28,048 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 340 [2021-07-14 10:21:28,366 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 396 [2021-07-14 10:21:28,843 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 592 [2021-07-14 10:21:29,676 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 185 [2021-07-14 10:21:29,811 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 243 [2021-07-14 10:21:30,150 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 265 [2021-07-14 10:21:30,460 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 425 [2021-07-14 10:21:30,922 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 623 [2021-07-14 10:21:31,985 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1090 DAG size of output: 844 [2021-07-14 10:21:33,255 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 322 [2021-07-14 10:21:33,573 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 350 [2021-07-14 10:21:34,516 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 285 [2021-07-14 10:21:34,769 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 391 [2021-07-14 10:21:35,092 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 449 [2021-07-14 10:21:36,002 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 238 [2021-07-14 10:21:36,200 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 360 [2021-07-14 10:21:36,467 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 396 [2021-07-14 10:21:36,808 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 455 [2021-07-14 10:21:37,570 WARN L205 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 659 [2021-07-14 10:21:38,540 WARN L205 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 710 [2021-07-14 10:21:39,269 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2021-07-14 10:21:39,412 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 245 [2021-07-14 10:21:39,583 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 305 [2021-07-14 10:21:39,822 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 409 [2021-07-14 10:21:40,131 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 472 [2021-07-14 10:21:41,210 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 221 [2021-07-14 10:21:41,372 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 275 [2021-07-14 10:21:41,590 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 374 [2021-07-14 10:21:41,875 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 411 [2021-07-14 10:21:42,237 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 475 [2021-07-14 10:21:42,981 WARN L205 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 714 [2021-07-14 10:21:44,841 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 1682 DAG size of output: 1237 [2021-07-14 10:21:47,876 WARN L205 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 2518 DAG size of output: 1697 [2021-07-14 10:21:51,409 WARN L205 SmtUtils]: Spent 3.52 s on a formula simplification. DAG size of input: 2537 DAG size of output: 1736 [2021-07-14 10:21:55,954 WARN L205 SmtUtils]: Spent 4.53 s on a formula simplification. DAG size of input: 2890 DAG size of output: 1831 [2021-07-14 10:21:57,068 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 700 DAG size of output: 1050 [2021-07-14 10:21:57,454 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 660 [2021-07-14 10:21:58,039 WARN L205 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 647 DAG size of output: 823 [2021-07-14 10:21:59,141 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 257 [2021-07-14 10:21:59,347 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 285 [2021-07-14 10:21:59,627 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 348 [2021-07-14 10:22:00,018 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 513 [2021-07-14 10:22:00,209 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 429 [2021-07-14 10:22:01,195 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 283 [2021-07-14 10:22:01,391 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 309 [2021-07-14 10:22:02,377 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 270 [2021-07-14 10:22:02,542 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 296 [2021-07-14 10:22:02,935 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 492 [2021-07-14 10:22:03,503 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 624 [2021-07-14 10:22:04,283 WARN L205 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 814 [2021-07-14 10:22:05,525 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 1338 DAG size of output: 1058 [2021-07-14 10:22:07,243 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 1723 DAG size of output: 1396 [2021-07-14 10:22:07,933 WARN L205 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 828 [2021-07-14 10:22:08,549 WARN L205 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 766 [2021-07-14 10:22:08,934 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 639 [2021-07-14 10:22:09,046 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 332 [2021-07-14 10:22:10,844 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 248 [2021-07-14 10:22:11,004 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 212 [2021-07-14 10:22:11,314 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 388 [2021-07-14 10:22:11,940 WARN L205 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 707 [2021-07-14 10:22:12,893 WARN L205 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 1357 DAG size of output: 863 [2021-07-14 10:22:14,275 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1729 DAG size of output: 1197 [2021-07-14 10:22:17,706 WARN L205 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 2363 DAG size of output: 1672 [2021-07-14 10:22:21,700 WARN L205 SmtUtils]: Spent 3.98 s on a formula simplification. DAG size of input: 2424 DAG size of output: 1716 [2021-07-14 10:22:27,400 WARN L205 SmtUtils]: Spent 5.69 s on a formula simplification. DAG size of input: 2831 DAG size of output: 1844 [2021-07-14 10:22:38,770 WARN L205 SmtUtils]: Spent 11.35 s on a formula simplification. DAG size of input: 5382 DAG size of output: 3237 [2021-07-14 10:22:40,072 WARN L205 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 707 DAG size of output: 1000 [2021-07-14 10:22:40,652 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 712 [2021-07-14 10:22:41,438 WARN L205 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 877 [2021-07-14 10:22:41,958 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 729 [2021-07-14 10:22:42,780 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 262 [2021-07-14 10:22:42,996 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 300 [2021-07-14 10:22:43,223 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 374 [2021-07-14 10:22:44,124 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 229 [2021-07-14 10:22:44,973 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 344 [2021-07-14 10:22:45,894 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 334 [2021-07-14 10:22:47,062 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 369 [2021-07-14 10:22:47,507 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 560 [2021-07-14 10:22:48,339 WARN L205 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 902 DAG size of output: 726 [2021-07-14 10:22:49,351 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 962 DAG size of output: 768 [2021-07-14 10:22:50,593 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 1071 DAG size of output: 879 [2021-07-14 10:22:51,907 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1304 DAG size of output: 904 [2021-07-14 10:22:53,860 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 1744 DAG size of output: 1304 [2021-07-14 10:22:56,479 WARN L205 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 2015 DAG size of output: 1655 [2021-07-14 10:22:57,327 WARN L205 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 879 [2021-07-14 10:22:57,705 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 490 [2021-07-14 10:22:58,008 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 491 [2021-07-14 10:22:59,236 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 260 [2021-07-14 10:23:00,137 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 289 [2021-07-14 10:23:00,420 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 317 [2021-07-14 10:23:00,827 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 433 [2021-07-14 10:23:01,564 WARN L205 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 821 DAG size of output: 666 [2021-07-14 10:23:02,631 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 945 DAG size of output: 803 [2021-07-14 10:23:02,818 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 354 [2021-07-14 10:23:03,615 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 338 [2021-07-14 10:23:03,804 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 377 [2021-07-14 10:23:04,091 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 443 [2021-07-14 10:23:05,474 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1314 DAG size of output: 1007 [2021-07-14 10:23:07,407 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 1586 DAG size of output: 1355 [2021-07-14 10:23:12,401 WARN L205 SmtUtils]: Spent 4.99 s on a formula simplification. DAG size of input: 2617 DAG size of output: 2064 [2021-07-14 10:23:19,398 WARN L205 SmtUtils]: Spent 6.99 s on a formula simplification. DAG size of input: 2989 DAG size of output: 2220 [2021-07-14 10:23:27,114 WARN L205 SmtUtils]: Spent 7.70 s on a formula simplification. DAG size of input: 3049 DAG size of output: 2305 [2021-07-14 10:23:27,794 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 573 [2021-07-14 10:23:28,498 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 296 [2021-07-14 10:23:28,664 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 358 [2021-07-14 10:23:29,387 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 451 [2021-07-14 10:23:30,427 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 215 [2021-07-14 10:23:30,585 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 254 [2021-07-14 10:23:30,822 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 348 [2021-07-14 10:23:31,132 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 399 [2021-07-14 10:23:31,517 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 425 [2021-07-14 10:23:31,986 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 485 [2021-07-14 10:23:32,547 WARN L205 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 521 [2021-07-14 10:23:33,896 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 328 [2021-07-14 10:23:34,187 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 369 [2021-07-14 10:23:34,570 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 394 [2021-07-14 10:23:35,049 WARN L205 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 433 [2021-07-14 10:23:35,594 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 517 [2021-07-14 10:23:36,272 WARN L205 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 580 [2021-07-14 10:23:37,627 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 978 DAG size of output: 863 [2021-07-14 10:23:38,528 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 202 [2021-07-14 10:23:38,696 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 256 [2021-07-14 10:23:38,955 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 384 [2021-07-14 10:23:39,289 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 442 [2021-07-14 10:23:39,491 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 292 [2021-07-14 10:23:40,148 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 328 [2021-07-14 10:23:40,382 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 391 [2021-07-14 10:23:40,681 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 450 [2021-07-14 10:23:41,403 WARN L205 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 639 [2021-07-14 10:23:42,509 WARN L205 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 800 DAG size of output: 715 [2021-07-14 10:23:45,041 WARN L205 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 1872 DAG size of output: 1482 [2021-07-14 10:23:48,357 WARN L205 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 2070 DAG size of output: 1568 [2021-07-14 10:23:48,547 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 361 [2021-07-14 10:23:49,159 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 344 [2021-07-14 10:23:49,361 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 367 [2021-07-14 10:23:49,961 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 246 [2021-07-14 10:23:50,318 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 486 [2021-07-14 10:23:51,352 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 243 [2021-07-14 10:23:51,498 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 266 [2021-07-14 10:23:51,702 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 324 [2021-07-14 10:23:52,003 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 457 [2021-07-14 10:23:52,421 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 599 [2021-07-14 10:23:53,313 WARN L205 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 817 [2021-07-14 10:23:54,544 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 1006 DAG size of output: 867 [2021-07-14 10:23:55,625 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 318 [2021-07-14 10:23:55,801 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 388 [2021-07-14 10:23:56,041 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 406 [2021-07-14 10:23:56,325 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 422 [2021-07-14 10:23:56,702 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 470 [2021-07-14 10:23:58,509 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 1433 DAG size of output: 1082 [2021-07-14 10:24:04,004 WARN L205 SmtUtils]: Spent 5.49 s on a formula simplification. DAG size of input: 2994 DAG size of output: 2129 [2021-07-14 10:24:10,101 WARN L205 SmtUtils]: Spent 6.08 s on a formula simplification. DAG size of input: 3038 DAG size of output: 2179 [2021-07-14 10:24:25,281 WARN L205 SmtUtils]: Spent 15.16 s on a formula simplification. DAG size of input: 5719 DAG size of output: 3928 [2021-07-14 10:24:54,742 WARN L205 SmtUtils]: Spent 29.43 s on a formula simplification. DAG size of input: 8989 DAG size of output: 5710 [2021-07-14 10:24:55,824 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 329 [2021-07-14 10:24:56,010 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 340 [2021-07-14 10:25:29,108 WARN L205 SmtUtils]: Spent 33.08 s on a formula simplification. DAG size of input: 9287 DAG size of output: 5929 [2021-07-14 10:26:08,067 WARN L205 SmtUtils]: Spent 38.91 s on a formula simplification. DAG size of input: 10982 DAG size of output: 7649 [2021-07-14 10:26:09,182 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 295 [2021-07-14 10:26:09,380 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 410 [2021-07-14 10:26:09,632 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 416 [2021-07-14 10:26:49,116 WARN L205 SmtUtils]: Spent 39.47 s on a formula simplification. DAG size of input: 11394 DAG size of output: 7943 [2021-07-14 10:27:29,455 WARN L205 SmtUtils]: Spent 40.29 s on a formula simplification. DAG size of input: 11649 DAG size of output: 8097 [2021-07-14 10:28:16,944 WARN L205 SmtUtils]: Spent 47.43 s on a formula simplification. DAG size of input: 12976 DAG size of output: 9218 [2021-07-14 10:28:20,623 WARN L205 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1636 [2021-07-14 10:28:20,782 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 1238 [2021-07-14 10:28:22,267 WARN L205 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 1216 [2021-07-14 10:28:22,921 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 240 [2021-07-14 10:28:25,914 WARN L205 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 1215 DAG size of output: 1779 [2021-07-14 10:28:26,069 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 1093 DAG size of output: 1093 [2021-07-14 10:28:26,219 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 1052 DAG size of output: 1052 [2021-07-14 10:28:27,330 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 686 DAG size of output: 991 [2021-07-14 10:28:28,040 WARN L205 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 739 [2021-07-14 10:28:28,999 WARN L205 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 766 [2021-07-14 10:28:29,767 WARN L205 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 791 [2021-07-14 10:28:30,115 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 441 [2021-07-14 10:28:30,832 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2021-07-14 10:28:31,014 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 291 [2021-07-14 10:28:31,429 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 348 [2021-07-14 10:28:31,781 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 453 [2021-07-14 10:28:32,223 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 477 [2021-07-14 10:28:33,843 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 417 [2021-07-14 10:28:34,169 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 435 [2021-07-14 10:28:34,988 WARN L205 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 758 [2021-07-14 10:28:36,057 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1152 DAG size of output: 843 [2021-07-14 10:28:37,539 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1015 [2021-07-14 10:28:38,466 WARN L205 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 765 [2021-07-14 10:28:39,580 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 675 DAG size of output: 790 [2021-07-14 10:28:39,891 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 428 [2021-07-14 10:28:40,590 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 281 [2021-07-14 10:28:40,812 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 391 [2021-07-14 10:28:41,177 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 464 [2021-07-14 10:28:41,429 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 267 [2021-07-14 10:28:42,087 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2021-07-14 10:28:42,263 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2021-07-14 10:28:43,095 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 265 [2021-07-14 10:28:43,288 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 290 [2021-07-14 10:28:43,701 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 384 [2021-07-14 10:28:44,651 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 261 [2021-07-14 10:28:45,172 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 319 [2021-07-14 10:28:45,466 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 344 [2021-07-14 10:28:46,275 WARN L205 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 516 [2021-07-14 10:28:47,313 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 592 DAG size of output: 578 [2021-07-14 10:28:48,675 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 819 DAG size of output: 697 [2021-07-14 10:28:50,440 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 1184 DAG size of output: 905 [2021-07-14 10:28:52,729 WARN L205 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 1312 DAG size of output: 996 [2021-07-14 10:28:55,537 WARN L205 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 1416 DAG size of output: 1170 [2021-07-14 10:29:00,224 WARN L205 SmtUtils]: Spent 4.68 s on a formula simplification. DAG size of input: 1833 DAG size of output: 1517 [2021-07-14 10:29:06,576 WARN L205 SmtUtils]: Spent 6.34 s on a formula simplification. DAG size of input: 2174 DAG size of output: 1614 [2021-07-14 10:29:07,000 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 546 [2021-07-14 10:29:07,204 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 391 [2021-07-14 10:29:07,422 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 417 [2021-07-14 10:29:07,782 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 455 [2021-07-14 10:29:09,397 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 216 [2021-07-14 10:29:09,570 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 246 [2021-07-14 10:29:09,822 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 330 [2021-07-14 10:29:10,222 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 454 [2021-07-14 10:29:10,761 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 572 [2021-07-14 10:29:10,885 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 304 [2021-07-14 10:29:11,052 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 323 [2021-07-14 10:29:12,339 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 162 [2021-07-14 10:29:12,504 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 220 [2021-07-14 10:29:12,714 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 247 [2021-07-14 10:29:13,005 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 336 [2021-07-14 10:29:13,382 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 404 [2021-07-14 10:29:13,981 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 290 [2021-07-14 10:29:14,581 WARN L205 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 847 DAG size of output: 578 [2021-07-14 10:29:15,834 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 933 DAG size of output: 641 [2021-07-14 10:29:17,321 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 960 DAG size of output: 668 [2021-07-14 10:29:19,307 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 1138 DAG size of output: 701 [2021-07-14 10:29:19,550 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 487 [2021-07-14 10:29:19,809 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-07-14 10:29:19,980 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-07-14 10:29:20,165 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 362 [2021-07-14 10:29:21,184 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 151 [2021-07-14 10:29:21,325 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 219 [2021-07-14 10:29:21,521 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 243 [2021-07-14 10:29:21,785 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 341 [2021-07-14 10:29:22,140 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 403 [2021-07-14 10:29:22,653 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 476 [2021-07-14 10:29:22,839 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-07-14 10:29:23,020 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-07-14 10:29:24,152 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 313 [2021-07-14 10:29:24,336 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 333 [2021-07-14 10:29:24,618 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 401 [2021-07-14 10:29:25,027 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 471 [2021-07-14 10:29:26,044 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 837 DAG size of output: 632 [2021-07-14 10:29:27,398 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1009 DAG size of output: 667 [2021-07-14 10:29:30,753 WARN L205 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 1961 DAG size of output: 1076 [2021-07-14 10:29:40,634 WARN L205 SmtUtils]: Spent 9.87 s on a formula simplification. DAG size of input: 3390 DAG size of output: 2173 [2021-07-14 10:29:52,085 WARN L205 SmtUtils]: Spent 11.08 s on a formula simplification. DAG size of input: 3507 DAG size of output: 2263 [2021-07-14 10:30:05,302 WARN L205 SmtUtils]: Spent 13.20 s on a formula simplification. DAG size of input: 4235 DAG size of output: 2787 [2021-07-14 10:30:18,936 WARN L205 SmtUtils]: Spent 13.61 s on a formula simplification. DAG size of input: 4456 DAG size of output: 2926 [2021-07-14 10:30:32,566 WARN L205 SmtUtils]: Spent 13.61 s on a formula simplification. DAG size of input: 4635 DAG size of output: 3051 [2021-07-14 10:30:48,250 WARN L205 SmtUtils]: Spent 15.66 s on a formula simplification. DAG size of input: 5120 DAG size of output: 3306 [2021-07-14 10:31:53,184 WARN L205 SmtUtils]: Spent 1.08 m on a formula simplification. DAG size of input: 16679 DAG size of output: 11341 [2021-07-14 10:33:04,942 WARN L205 SmtUtils]: Spent 1.19 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 Received shutdown request... [2021-07-14 10:34:16,066 WARN L205 SmtUtils]: Spent 1.18 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown