/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-Persistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-14 12:07:41,455 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-14 12:07:41,457 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-14 12:07:41,474 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-14 12:07:41,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-14 12:07:41,538 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-14 12:07:41,539 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-14 12:07:41,539 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-Persistent-NoLbe.epf [2021-06-14 12:07:41,568 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-14 12:07:41,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-14 12:07:41,568 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-14 12:07:41,568 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-14 12:07:41,569 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-14 12:07:41,569 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-14 12:07:41,569 INFO L138 SettingsManager]: * Use SBE=true [2021-06-14 12:07:41,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-14 12:07:41,570 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-14 12:07:41,570 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-14 12:07:41,570 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-14 12:07:41,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-14 12:07:41,570 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-14 12:07:41,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-14 12:07:41,571 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-14 12:07:41,571 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-14 12:07:41,571 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-14 12:07:41,571 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-14 12:07:41,571 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-14 12:07:41,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-14 12:07:41,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-14 12:07:41,572 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-14 12:07:41,572 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-14 12:07:41,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 12:07:41,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-14 12:07:41,572 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-14 12:07:41,572 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-14 12:07:41,572 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-14 12:07:41,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-14 12:07:41,573 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-14 12:07:41,573 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-14 12:07:41,573 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-14 12:07:41,573 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SETS [2021-06-14 12:07:41,573 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-14 12:07:41,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-14 12:07:41,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-14 12:07:41,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-14 12:07:41,824 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-14 12:07:41,827 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-14 12:07:41,828 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl [2021-06-14 12:07:41,828 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl' [2021-06-14 12:07:41,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-14 12:07:41,849 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-14 12:07:41,849 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-14 12:07:41,850 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-14 12:07:41,850 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-14 12:07:41,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 12:07:41" (1/1) ... [2021-06-14 12:07:41,862 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 12:07:41" (1/1) ... [2021-06-14 12:07:41,868 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-14 12:07:41,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-14 12:07:41,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-14 12:07:41,870 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-14 12:07:41,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 12:07:41" (1/1) ... [2021-06-14 12:07:41,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 12:07:41" (1/1) ... [2021-06-14 12:07:41,876 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 12:07:41" (1/1) ... [2021-06-14 12:07:41,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 12:07:41" (1/1) ... [2021-06-14 12:07:41,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 12:07:41" (1/1) ... [2021-06-14 12:07:41,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 12:07:41" (1/1) ... [2021-06-14 12:07:41,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 12:07:41" (1/1) ... [2021-06-14 12:07:41,883 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-14 12:07:41,886 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-14 12:07:41,886 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-14 12:07:41,886 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-14 12:07:41,887 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 12:07:41" (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 [2021-06-14 12:07:41,939 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-14 12:07:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-14 12:07:41,939 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-14 12:07:41,939 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-14 12:07:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-14 12:07:41,940 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-14 12:07:41,940 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-14 12:07:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-14 12:07:41,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-14 12:07:41,940 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-14 12:07:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-14 12:07:41,940 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-14 12:07:41,941 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-14 12:07:42,100 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-14 12:07:42,100 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-14 12:07:42,102 INFO L202 PluginConnector]: Adding new model sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 12:07:42 BoogieIcfgContainer [2021-06-14 12:07:42,102 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-14 12:07:42,103 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-14 12:07:42,103 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-14 12:07:42,105 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-14 12:07:42,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 12:07:41" (1/2) ... [2021-06-14 12:07:42,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2000e25c and model type sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 12:07:42, skipping insertion in model container [2021-06-14 12:07:42,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 12:07:42" (2/2) ... [2021-06-14 12:07:42,107 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-fun-alt.wvr.bpl [2021-06-14 12:07:42,110 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-14 12:07:42,110 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-14 12:07:42,110 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-14 12:07:42,111 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-14 12:07:42,145 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-14 12:07:42,159 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 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 [2021-06-14 12:07:42,260 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 12:07:42,261 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 12:07:42,261 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 12:07:42,261 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 12:07:42,261 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 12:07:42,261 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 12:07:42,261 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 12:07:42,261 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-14 12:07:42,403 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 12:07:42,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 12:07:42,412 INFO L82 PathProgramCache]: Analyzing trace with hash 480669117, now seen corresponding path program 1 times [2021-06-14 12:07:42,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 12:07:42,418 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205423176] [2021-06-14 12:07:42,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 12:07:42,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 12:07:42,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-14 12:07:42,574 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 12:07:42,574 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205423176] [2021-06-14 12:07:42,575 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205423176] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 12:07:42,575 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 12:07:42,575 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-14 12:07:42,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569966701] [2021-06-14 12:07:42,579 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-14 12:07:42,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 12:07:42,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-14 12:07:42,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-14 12:07:42,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 12:07:42,591 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 12:07:42,592 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 12:07:42,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 12:07:42,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 12:07:42,649 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-14 12:07:42,649 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 12:07:42,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 12:07:42,652 INFO L82 PathProgramCache]: Analyzing trace with hash 770484053, now seen corresponding path program 1 times [2021-06-14 12:07:42,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 12:07:42,653 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601778014] [2021-06-14 12:07:42,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 12:07:42,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 12:07:42,886 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 12:07:42,887 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 12:07:42,887 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601778014] [2021-06-14 12:07:42,887 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601778014] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 12:07:42,888 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196805008] [2021-06-14 12:07:42,888 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 [2021-06-14 12:07:42,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 12:07:42,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-14 12:07:42,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 12:07:43,155 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 12:07:43,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-14 12:07:43,164 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 12:07:43,177 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 12:07:43,193 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 12:07:43,193 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:3 [2021-06-14 12:07:43,240 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 12:07:43,241 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1196805008] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 12:07:43,241 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 12:07:43,241 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-14 12:07:43,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203865164] [2021-06-14 12:07:43,243 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-14 12:07:43,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 12:07:43,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-14 12:07:43,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-06-14 12:07:43,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 12:07:43,249 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 12:07:43,250 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 11 states have internal predecessors, (34), 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) [2021-06-14 12:07:43,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 12:07:43,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 12:07:43,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 12:07:43,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 12:07:43,583 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 12:07:43,584 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 12:07:43,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 12:07:43,584 INFO L82 PathProgramCache]: Analyzing trace with hash 766495377, now seen corresponding path program 2 times [2021-06-14 12:07:43,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 12:07:43,585 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739668159] [2021-06-14 12:07:43,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 12:07:43,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 12:07:43,634 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 12:07:43,635 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 12:07:43,635 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739668159] [2021-06-14 12:07:43,635 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739668159] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 12:07:43,635 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281460237] [2021-06-14 12:07:43,635 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 12:07:43,672 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 12:07:43,672 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 12:07:43,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-14 12:07:43,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 12:07:43,784 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-14 12:07:43,784 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281460237] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 12:07:43,784 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 12:07:43,784 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 14 [2021-06-14 12:07:43,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911509944] [2021-06-14 12:07:43,785 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-14 12:07:43,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 12:07:43,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-14 12:07:43,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-06-14 12:07:43,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 12:07:43,786 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 12:07:43,786 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 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) [2021-06-14 12:07:43,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 12:07:43,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 12:07:43,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 12:07:43,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 12:07:43,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 12:07:43,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 12:07:44,151 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 12:07:44,151 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 12:07:44,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 12:07:44,152 INFO L82 PathProgramCache]: Analyzing trace with hash -1778110845, now seen corresponding path program 3 times [2021-06-14 12:07:44,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 12:07:44,152 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258835673] [2021-06-14 12:07:44,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 12:07:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 12:07:44,664 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 12:07:44,664 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 12:07:44,664 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258835673] [2021-06-14 12:07:44,664 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258835673] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 12:07:44,665 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [291267208] [2021-06-14 12:07:44,665 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 12:07:44,695 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-14 12:07:44,695 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 12:07:44,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 36 conjunts are in the unsatisfiable core [2021-06-14 12:07:44,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 12:07:45,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:45,127 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 12:07:45,130 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 12:07:45,151 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 12:07:45,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 29 treesize of output 63 [2021-06-14 12:07:45,210 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-14 12:07:45,257 INFO L628 ElimStorePlain]: treesize reduction 130, result has 27.8 percent of original size [2021-06-14 12:07:45,283 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 12:07:45,284 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:48, output treesize:105 [2021-06-14 12:07:45,416 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 12:07:45,417 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [291267208] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 12:07:45,417 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 12:07:45,417 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 24 [2021-06-14 12:07:45,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670043028] [2021-06-14 12:07:45,417 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-14 12:07:45,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 12:07:45,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-14 12:07:45,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=522, Unknown=0, NotChecked=0, Total=600 [2021-06-14 12:07:45,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 12:07:45,418 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 12:07:45,418 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.04) internal successors, (51), 24 states have internal predecessors, (51), 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) [2021-06-14 12:07:45,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 12:07:45,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 12:07:45,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 12:07:45,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 12:07:46,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 12:07:46,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 12:07:46,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 12:07:46,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 12:07:46,700 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 12:07:46,701 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 12:07:46,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 12:07:46,701 INFO L82 PathProgramCache]: Analyzing trace with hash 1300606439, now seen corresponding path program 4 times [2021-06-14 12:07:46,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 12:07:46,701 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354696018] [2021-06-14 12:07:46,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 12:07:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 12:07:46,790 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 9 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 12:07:46,790 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 12:07:46,790 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354696018] [2021-06-14 12:07:46,791 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354696018] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 12:07:46,791 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1402509434] [2021-06-14 12:07:46,791 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 12:07:46,840 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 12:07:46,840 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 12:07:46,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-14 12:07:46,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 12:07:46,981 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 12:07:46,982 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1402509434] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 12:07:46,982 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 12:07:46,982 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 21 [2021-06-14 12:07:46,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525889942] [2021-06-14 12:07:46,982 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-14 12:07:46,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 12:07:46,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-14 12:07:46,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=335, Unknown=0, NotChecked=0, Total=420 [2021-06-14 12:07:46,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 12:07:46,983 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 12:07:46,983 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.5238095238095237) internal successors, (53), 21 states have internal predecessors, (53), 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) [2021-06-14 12:07:46,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 12:07:46,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 12:07:46,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 12:07:46,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 12:07:46,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 12:07:47,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 12:07:47,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 12:07:47,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 12:07:47,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 12:07:47,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 12:07:47,342 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 12:07:47,343 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 12:07:47,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 12:07:47,343 INFO L82 PathProgramCache]: Analyzing trace with hash -1201304837, now seen corresponding path program 5 times [2021-06-14 12:07:47,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 12:07:47,343 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933708095] [2021-06-14 12:07:47,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 12:07:47,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 12:07:47,990 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 4 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 12:07:47,990 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 12:07:47,990 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933708095] [2021-06-14 12:07:47,990 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933708095] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 12:07:47,990 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692379866] [2021-06-14 12:07:47,990 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 12:07:48,033 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-14 12:07:48,033 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 12:07:48,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 45 conjunts are in the unsatisfiable core [2021-06-14 12:07:48,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 12:07:48,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:48,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:48,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:48,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:48,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:48,874 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 12:07:48,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:48,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:48,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:48,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:48,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:48,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:48,879 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 12:07:48,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:48,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:48,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:48,884 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 12:07:48,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:48,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:48,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 12:07:48,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:48,887 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 12:07:48,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 17 [2021-06-14 12:07:48,889 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 12:07:48,905 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 12:07:48,907 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 12:07:48,907 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:67, output treesize:3 [2021-06-14 12:07:48,929 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 12:07:48,929 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1692379866] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 12:07:48,929 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 12:07:48,929 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 30 [2021-06-14 12:07:48,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138036191] [2021-06-14 12:07:48,930 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-14 12:07:48,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 12:07:48,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-14 12:07:48,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=842, Unknown=0, NotChecked=0, Total=930 [2021-06-14 12:07:48,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 12:07:48,931 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 12:07:48,931 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.193548387096774) internal successors, (68), 30 states have internal predecessors, (68), 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) [2021-06-14 12:07:48,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 12:07:48,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 12:07:48,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 12:07:48,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 12:07:48,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 12:07:48,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 12:07:49,895 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 82 [2021-06-14 12:07:50,062 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 68 [2021-06-14 12:07:50,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 12:07:50,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 12:07:50,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 12:07:50,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 12:07:50,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 12:07:50,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-14 12:07:50,968 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 12:07:50,969 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 12:07:50,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 12:07:50,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1157375137, now seen corresponding path program 6 times [2021-06-14 12:07:50,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 12:07:50,969 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362898344] [2021-06-14 12:07:50,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 12:07:50,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 12:07:51,107 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 25 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 12:07:51,108 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 12:07:51,108 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362898344] [2021-06-14 12:07:51,108 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362898344] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 12:07:51,108 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [993039113] [2021-06-14 12:07:51,108 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 12:07:51,147 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-06-14 12:07:51,147 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 12:07:51,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-14 12:07:51,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 12:07:51,384 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 36 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 12:07:51,384 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [993039113] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 12:07:51,384 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 12:07:51,384 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 27 [2021-06-14 12:07:51,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457733141] [2021-06-14 12:07:51,385 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-14 12:07:51,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 12:07:51,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-14 12:07:51,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=561, Unknown=0, NotChecked=0, Total=702 [2021-06-14 12:07:51,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 12:07:51,385 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 12:07:51,386 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.4074074074074074) internal successors, (65), 27 states have internal predecessors, (65), 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) [2021-06-14 12:07:51,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 12:07:51,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 12:07:51,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 12:07:51,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 12:07:51,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 12:07:51,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-14 12:07:51,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 12:07:51,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 12:07:51,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 12:07:51,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 12:07:51,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 12:07:51,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 12:07:51,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-14 12:07:51,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 12:07:51,808 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 12:07:51,809 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 12:07:51,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 12:07:51,809 INFO L82 PathProgramCache]: Analyzing trace with hash -215683213, now seen corresponding path program 7 times [2021-06-14 12:07:51,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 12:07:51,809 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132961462] [2021-06-14 12:07:51,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 12:07:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 12:07:52,695 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 16 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 12:07:52,696 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 12:07:52,696 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132961462] [2021-06-14 12:07:52,696 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132961462] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 12:07:52,696 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2046790537] [2021-06-14 12:07:52,696 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 12:07:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 12:07:52,733 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 64 conjunts are in the unsatisfiable core [2021-06-14 12:07:52,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 12:07:53,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:53,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:53,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:53,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:53,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:53,406 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 12:07:53,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:53,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:53,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:53,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:53,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:53,410 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 12:07:53,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:53,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:53,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:53,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:53,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:53,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:53,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:53,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:53,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:53,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:53,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:53,417 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 12:07:53,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:53,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:53,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:53,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:53,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:53,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:53,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:53,422 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 12:07:53,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:53,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:53,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:53,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:53,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:53,426 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 12:07:53,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:53,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:53,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:53,429 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 12:07:53,429 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 12:07:53,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 21 [2021-06-14 12:07:53,433 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 12:07:53,436 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 12:07:53,437 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 12:07:53,437 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:67, output treesize:3 [2021-06-14 12:07:53,463 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 12:07:53,463 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2046790537] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 12:07:53,464 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 12:07:53,464 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 19] total 37 [2021-06-14 12:07:53,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384275529] [2021-06-14 12:07:53,464 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-14 12:07:53,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 12:07:53,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-14 12:07:53,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=1275, Unknown=0, NotChecked=0, Total=1406 [2021-06-14 12:07:53,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 12:07:53,465 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 12:07:53,465 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 2.210526315789474) internal successors, (84), 37 states have internal predecessors, (84), 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) [2021-06-14 12:07:53,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 12:07:53,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 12:07:53,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 12:07:53,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 12:07:53,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 12:07:53,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-14 12:07:53,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 12:07:53,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 12:07:55,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 12:07:55,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 12:07:55,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 12:07:55,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 12:07:55,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 12:07:55,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-14 12:07:55,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 12:07:55,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 12:07:55,495 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-06-14 12:07:55,496 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 12:07:55,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 12:07:55,496 INFO L82 PathProgramCache]: Analyzing trace with hash 205295831, now seen corresponding path program 8 times [2021-06-14 12:07:55,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 12:07:55,496 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095103069] [2021-06-14 12:07:55,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 12:07:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 12:07:55,668 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 49 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 12:07:55,668 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 12:07:55,668 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095103069] [2021-06-14 12:07:55,668 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095103069] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 12:07:55,668 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1591006340] [2021-06-14 12:07:55,668 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 12:07:55,717 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 12:07:55,717 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 12:07:55,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-14 12:07:55,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 12:07:55,995 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 64 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 12:07:55,995 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1591006340] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 12:07:55,995 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 12:07:55,995 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 33 [2021-06-14 12:07:55,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335223246] [2021-06-14 12:07:55,996 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-14 12:07:55,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 12:07:55,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-14 12:07:55,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=843, Unknown=0, NotChecked=0, Total=1056 [2021-06-14 12:07:55,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 12:07:55,996 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 12:07:55,997 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 2.3333333333333335) internal successors, (77), 33 states have internal predecessors, (77), 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) [2021-06-14 12:07:55,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 12:07:55,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 12:07:55,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 12:07:55,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 12:07:55,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 12:07:55,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-14 12:07:55,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 12:07:55,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 12:07:55,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 12:07:56,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 12:07:56,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 12:07:56,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 12:07:56,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 12:07:56,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 12:07:56,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-14 12:07:56,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 12:07:56,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 12:07:56,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 12:07:56,542 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 12:07:56,542 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 12:07:56,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 12:07:56,542 INFO L82 PathProgramCache]: Analyzing trace with hash 146430955, now seen corresponding path program 9 times [2021-06-14 12:07:56,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 12:07:56,543 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376869521] [2021-06-14 12:07:56,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 12:07:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 12:07:57,687 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 18 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 12:07:57,687 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 12:07:57,687 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376869521] [2021-06-14 12:07:57,687 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376869521] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 12:07:57,688 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128563929] [2021-06-14 12:07:57,688 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 12:07:57,727 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-06-14 12:07:57,727 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 12:07:57,728 WARN L261 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 83 conjunts are in the unsatisfiable core [2021-06-14 12:07:57,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 12:07:59,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:59,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:59,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:59,177 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 12:07:59,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:59,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:59,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:59,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:59,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:59,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:59,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:59,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:59,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:59,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:59,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:59,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:59,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:59,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:59,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:59,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:59,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:59,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:59,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:59,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:59,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:59,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:59,221 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 12:07:59,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:59,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:59,227 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 12:07:59,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:59,231 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 12:07:59,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:59,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:59,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:59,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:59,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:59,242 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 12:07:59,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:07:59,600 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2021-06-14 12:07:59,600 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 12:07:59,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 28 disjoint index pairs (out of 153 index pairs), introduced 13 new quantified variables, introduced 90 case distinctions, treesize of input 81 treesize of output 579 [2021-06-14 12:08:00,351 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 1675 DAG size of output: 1032 [2021-06-14 12:08:00,922 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 1693 DAG size of output: 1050 [2021-06-14 12:08:03,982 WARN L205 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 5313 DAG size of output: 2999 [2021-06-14 12:08:06,901 WARN L205 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 5341 DAG size of output: 3022 [2021-06-14 12:08:12,219 WARN L205 SmtUtils]: Spent 5.30 s on a formula simplification. DAG size of input: 2761 DAG size of output: 2816 [2021-06-14 12:08:17,663 WARN L205 SmtUtils]: Spent 5.42 s on a formula simplification. DAG size of input: 2755 DAG size of output: 2824 [2021-06-14 12:08:22,822 WARN L205 SmtUtils]: Spent 5.14 s on a formula simplification. DAG size of input: 2750 DAG size of output: 2891 [2021-06-14 12:08:25,039 WARN L205 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 2744 DAG size of output: 2744 [2021-06-14 12:08:28,623 WARN L205 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 2371 DAG size of output: 2637 [2021-06-14 12:08:30,140 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 2366 DAG size of output: 2366 [2021-06-14 12:08:32,402 WARN L205 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 1898 DAG size of output: 1900 [2021-06-14 12:08:33,043 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 749 DAG size of output: 593 [2021-06-14 12:08:33,468 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 1035 DAG size of output: 840 [2021-06-14 12:08:34,056 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 729 DAG size of output: 624 [2021-06-14 12:08:34,256 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 869 DAG size of output: 741 [2021-06-14 12:08:34,753 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 1669 DAG size of output: 1320 [2021-06-14 12:08:35,137 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 575 [2021-06-14 12:08:35,514 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 537 [2021-06-14 12:08:35,759 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 468 DAG size of output: 477 [2021-06-14 12:08:35,926 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 485 [2021-06-14 12:08:36,454 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 1053 DAG size of output: 958 [2021-06-14 12:08:36,848 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 1352 DAG size of output: 1250 [2021-06-14 12:08:37,461 WARN L205 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 1697 DAG size of output: 1539 [2021-06-14 12:08:37,638 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 459 [2021-06-14 12:08:37,998 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 835 DAG size of output: 625 [2021-06-14 12:08:42,233 WARN L205 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 6128 DAG size of output: 4609 [2021-06-14 12:08:43,020 WARN L205 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 879 DAG size of output: 957 [2021-06-14 12:08:43,278 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 842 DAG size of output: 842 [2021-06-14 12:08:43,462 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 766 DAG size of output: 766 [2021-06-14 12:08:44,160 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 873 DAG size of output: 709 [2021-06-14 12:08:44,458 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 439 DAG size of output: 459 [2021-06-14 12:08:44,688 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 958 DAG size of output: 673 [2021-06-14 12:08:45,025 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 1157 DAG size of output: 811 [2021-06-14 12:08:45,675 WARN L205 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 2208 DAG size of output: 1545 [2021-06-14 12:08:46,888 WARN L205 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 2460 DAG size of output: 1709 [2021-06-14 12:08:48,428 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 2764 DAG size of output: 2008 [2021-06-14 12:08:54,927 WARN L205 SmtUtils]: Spent 6.48 s on a formula simplification. DAG size of input: 7913 DAG size of output: 5890 [2021-06-14 12:09:04,385 WARN L205 SmtUtils]: Spent 9.42 s on a formula simplification. DAG size of input: 8755 DAG size of output: 6672 [2021-06-14 12:09:05,089 WARN L205 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 730 DAG size of output: 804 [2021-06-14 12:09:05,617 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 696 DAG size of output: 793 [2021-06-14 12:09:06,056 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 637 DAG size of output: 690 [2021-06-14 12:09:06,236 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 631 [2021-06-14 12:09:06,540 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 456 DAG size of output: 387 [2021-06-14 12:09:06,684 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 457 [2021-06-14 12:09:06,804 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 568 [2021-06-14 12:09:07,019 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 522 [2021-06-14 12:09:07,195 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 542 [2021-06-14 12:09:07,339 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 478 [2021-06-14 12:09:07,945 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 1166 DAG size of output: 979 [2021-06-14 12:09:08,228 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 1425 DAG size of output: 1203 [2021-06-14 12:09:08,684 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 1750 DAG size of output: 1478 [2021-06-14 12:09:09,366 WARN L205 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 2019 DAG size of output: 1717 [2021-06-14 12:09:10,475 WARN L205 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 2196 DAG size of output: 1864 [2021-06-14 12:09:11,793 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 2509 DAG size of output: 2108 [2021-06-14 12:09:13,616 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 2640 DAG size of output: 2229 [2021-06-14 12:09:16,057 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 2988 DAG size of output: 2545 [2021-06-14 12:09:19,346 WARN L205 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 3502 DAG size of output: 3063 [2021-06-14 12:09:34,076 WARN L205 SmtUtils]: Spent 14.70 s on a formula simplification. DAG size of input: 11366 DAG size of output: 8741 [2021-06-14 12:09:53,573 WARN L205 SmtUtils]: Spent 19.44 s on a formula simplification. DAG size of input: 12598 DAG size of output: 9923 [2021-06-14 12:10:19,009 WARN L205 SmtUtils]: Spent 25.37 s on a formula simplification. DAG size of input: 13972 DAG size of output: 11163 [2021-06-14 12:10:50,983 WARN L205 SmtUtils]: Spent 31.90 s on a formula simplification. DAG size of input: 15421 DAG size of output: 12295 [2021-06-14 12:11:22,979 WARN L205 SmtUtils]: Spent 31.92 s on a formula simplification. DAG size of input: 15421 DAG size of output: 12295 [2021-06-14 12:11:57,354 WARN L205 SmtUtils]: Spent 34.12 s on a formula simplification. DAG size of input: 15431 DAG size of output: 12305 [2021-06-14 12:13:09,804 WARN L205 SmtUtils]: Spent 1.21 m on a formula simplification. DAG size of input: 11452 DAG size of output: 14240 [2021-06-14 12:14:22,131 WARN L205 SmtUtils]: Spent 1.20 m on a formula simplification. DAG size of input: 11420 DAG size of output: 13505 [2021-06-14 12:14:54,109 WARN L205 SmtUtils]: Spent 31.88 s on a formula simplification. DAG size of input: 11415 DAG size of output: 11429 [2021-06-14 12:15:19,427 WARN L205 SmtUtils]: Spent 25.25 s on a formula simplification. DAG size of input: 10451 DAG size of output: 10465 [2021-06-14 12:15:38,893 WARN L205 SmtUtils]: Spent 19.41 s on a formula simplification. DAG size of input: 9267 DAG size of output: 9281 [2021-06-14 12:15:53,538 WARN L205 SmtUtils]: Spent 14.59 s on a formula simplification. DAG size of input: 8117 DAG size of output: 8131 [2021-06-14 12:15:59,199 WARN L205 SmtUtils]: Spent 5.63 s on a formula simplification. DAG size of input: 2407 DAG size of output: 2547 [2021-06-14 12:15:59,677 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 706 DAG size of output: 593 [2021-06-14 12:15:59,849 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 958 DAG size of output: 762 [2021-06-14 12:16:00,049 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 427 [2021-06-14 12:16:00,526 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 1148 DAG size of output: 851 [2021-06-14 12:16:01,290 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 938 DAG size of output: 741 [2021-06-14 12:16:02,240 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 1151 DAG size of output: 916 [2021-06-14 12:16:02,597 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 694 DAG size of output: 567 [2021-06-14 12:16:03,244 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 511 [2021-06-14 12:16:03,535 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 460 DAG size of output: 460 [2021-06-14 12:16:03,969 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 364 [2021-06-14 12:16:04,452 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 1137 DAG size of output: 836 [2021-06-14 12:16:04,772 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 1259 DAG size of output: 941 [2021-06-14 12:16:05,243 WARN L205 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 1507 DAG size of output: 1099 [2021-06-14 12:16:05,795 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 613 [2021-06-14 12:16:06,295 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 681 [2021-06-14 12:16:06,714 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 664 [2021-06-14 12:16:07,046 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 663 [2021-06-14 12:16:07,888 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 612 [2021-06-14 12:16:08,154 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 1039 DAG size of output: 996 [2021-06-14 12:16:08,678 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 1490 DAG size of output: 1439 [2021-06-14 12:16:09,548 WARN L205 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 1823 DAG size of output: 1755 [2021-06-14 12:16:10,890 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 2110 DAG size of output: 2029 [2021-06-14 12:16:12,818 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 2595 DAG size of output: 2520 [2021-06-14 12:16:23,192 WARN L205 SmtUtils]: Spent 10.35 s on a formula simplification. DAG size of input: 10048 DAG size of output: 7918 [2021-06-14 12:16:32,417 WARN L205 SmtUtils]: Spent 9.17 s on a formula simplification. DAG size of input: 6192 DAG size of output: 6203 [2021-06-14 12:16:33,947 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1825 DAG size of output: 1831 [2021-06-14 12:16:34,824 WARN L205 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 1538 DAG size of output: 1544 [2021-06-14 12:16:34,989 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 415 [2021-06-14 12:16:35,124 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 376 [2021-06-14 12:16:35,375 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 555 [2021-06-14 12:16:35,640 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 773 DAG size of output: 613 [2021-06-14 12:16:36,259 WARN L205 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 1394 DAG size of output: 1400 [2021-06-14 12:16:38,607 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 764 DAG size of output: 595 [2021-06-14 12:16:39,820 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 3150 DAG size of output: 2427 [2021-06-14 12:16:41,678 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 3650 DAG size of output: 2794 [2021-06-14 12:16:42,028 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 728 DAG size of output: 728 [2021-06-14 12:16:42,643 WARN L205 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 727 [2021-06-14 12:16:42,888 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 672 DAG size of output: 672 [2021-06-14 12:16:43,042 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 593 DAG size of output: 593 [2021-06-14 12:16:43,979 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 1359 DAG size of output: 930 [2021-06-14 12:16:44,547 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 781 DAG size of output: 657 [2021-06-14 12:16:45,113 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 1826 DAG size of output: 1287 [2021-06-14 12:16:46,070 WARN L205 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 2202 DAG size of output: 1633 [2021-06-14 12:16:46,518 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 478 [2021-06-14 12:16:46,659 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 664 DAG size of output: 505 [2021-06-14 12:16:48,001 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 2490 DAG size of output: 1828 [2021-06-14 12:16:51,725 WARN L205 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 5281 DAG size of output: 3929 [2021-06-14 12:16:51,942 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 489 [2021-06-14 12:16:52,264 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 845 DAG size of output: 669 [2021-06-14 12:16:53,360 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 444 [2021-06-14 12:16:53,574 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 731 DAG size of output: 618 [2021-06-14 12:16:54,453 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 926 DAG size of output: 883 [2021-06-14 12:16:55,178 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 767 DAG size of output: 763 [2021-06-14 12:16:55,718 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 698 DAG size of output: 579 [2021-06-14 12:16:55,907 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 585 DAG size of output: 585 [2021-06-14 12:16:56,107 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 505 [2021-06-14 12:16:56,439 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 945 DAG size of output: 637 [2021-06-14 12:16:57,286 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 1369 DAG size of output: 900 [2021-06-14 12:16:58,377 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 810 DAG size of output: 681 [2021-06-14 12:16:58,965 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 1271 DAG size of output: 1082 [2021-06-14 12:16:59,895 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 1221 DAG size of output: 794 [2021-06-14 12:17:00,560 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 964 DAG size of output: 682 [2021-06-14 12:17:00,752 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 423 [2021-06-14 12:17:01,209 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 777 DAG size of output: 516 [2021-06-14 12:17:01,461 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 973 DAG size of output: 675 [2021-06-14 12:17:02,143 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 558 [2021-06-14 12:17:02,618 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 511 [2021-06-14 12:17:02,953 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 940 DAG size of output: 664 [2021-06-14 12:17:03,325 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 1121 DAG size of output: 837 [2021-06-14 12:17:07,303 WARN L205 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 1893 DAG size of output: 1949 [2021-06-14 12:17:10,823 WARN L205 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 1889 DAG size of output: 1977 [2021-06-14 12:17:11,665 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 819 DAG size of output: 542 [2021-06-14 12:17:12,279 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 487 DAG size of output: 536 [2021-06-14 12:17:12,822 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 417 [2021-06-14 12:17:13,160 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 753 DAG size of output: 722 [2021-06-14 12:17:13,456 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 1169 DAG size of output: 1020 [2021-06-14 12:17:13,974 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 1458 DAG size of output: 1248 [2021-06-14 12:17:14,528 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 861 DAG size of output: 622 [2021-06-14 12:17:14,745 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 359 [2021-06-14 12:17:15,221 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 801 DAG size of output: 715 [2021-06-14 12:17:15,718 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 659 DAG size of output: 609 [2021-06-14 12:17:16,099 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 1224 DAG size of output: 1076 [2021-06-14 12:17:16,436 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 724 [2021-06-14 12:17:17,048 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 672 DAG size of output: 672 [2021-06-14 12:17:17,203 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 593 DAG size of output: 593 [2021-06-14 12:17:18,118 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 1359 DAG size of output: 930 [2021-06-14 12:17:18,701 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 781 DAG size of output: 657 [2021-06-14 12:17:19,259 WARN L205 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 1826 DAG size of output: 1287 [2021-06-14 12:17:20,059 WARN L205 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 2069 DAG size of output: 1414 [2021-06-14 12:17:25,774 WARN L205 SmtUtils]: Spent 5.70 s on a formula simplification. DAG size of input: 6819 DAG size of output: 5070 [2021-06-14 12:17:34,206 WARN L205 SmtUtils]: Spent 8.40 s on a formula simplification. DAG size of input: 7983 DAG size of output: 6176 [2021-06-14 12:17:58,443 WARN L205 SmtUtils]: Spent 24.18 s on a formula simplification. DAG size of input: 19600 DAG size of output: 14613 [2021-06-14 12:17:59,119 WARN L205 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 725 DAG size of output: 701 [2021-06-14 12:17:59,558 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 555 [2021-06-14 12:17:59,973 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 590 [2021-06-14 12:18:00,381 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 520 DAG size of output: 520 [2021-06-14 12:18:00,761 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 578 [2021-06-14 12:18:00,889 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 499 DAG size of output: 499 [2021-06-14 12:18:01,558 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 481 [2021-06-14 12:18:01,696 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 450 [2021-06-14 12:18:02,196 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 878 DAG size of output: 856 [2021-06-14 12:18:02,515 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 1169 DAG size of output: 1117 [2021-06-14 12:18:03,078 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 1703 DAG size of output: 1626 [2021-06-14 12:18:04,010 WARN L205 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 1965 DAG size of output: 1869 [2021-06-14 12:18:05,317 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 2031 DAG size of output: 1935 [2021-06-14 12:18:07,087 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 2076 DAG size of output: 1978 [2021-06-14 12:18:09,424 WARN L205 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 2306 DAG size of output: 2189 [2021-06-14 12:18:12,496 WARN L205 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 2692 DAG size of output: 2540 [2021-06-14 12:18:57,814 WARN L205 SmtUtils]: Spent 45.27 s on a formula simplification. DAG size of input: 28427 DAG size of output: 21831 [2021-06-14 12:19:00,126 WARN L205 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 2275 DAG size of output: 2275 [2021-06-14 12:19:01,669 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 1987 DAG size of output: 1987 [2021-06-14 12:19:02,021 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 776 DAG size of output: 776 [2021-06-14 12:19:02,273 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 692 DAG size of output: 692 [2021-06-14 12:19:02,682 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 662 [2021-06-14 12:19:03,077 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 601 DAG size of output: 603 [2021-06-14 12:19:03,230 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 597 DAG size of output: 597 [2021-06-14 12:19:04,083 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 1025 DAG size of output: 809 [2021-06-14 12:19:04,626 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 1183 DAG size of output: 940 [2021-06-14 12:19:05,469 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 1683 DAG size of output: 1286 [2021-06-14 12:19:06,322 WARN L205 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 2006 DAG size of output: 1582 [2021-06-14 12:19:07,555 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 2310 DAG size of output: 1836 [2021-06-14 12:19:08,208 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 772 DAG size of output: 648 [2021-06-14 12:19:08,404 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 794 [2021-06-14 12:19:08,667 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 1051 DAG size of output: 894 [2021-06-14 12:19:09,036 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 908 [2021-06-14 12:19:10,969 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 2978 DAG size of output: 2346 [2021-06-14 12:19:11,622 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 638 DAG size of output: 521 [2021-06-14 12:19:11,810 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 560 [2021-06-14 12:19:12,081 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 753 DAG size of output: 608 [2021-06-14 12:19:14,723 WARN L205 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 3348 DAG size of output: 2627 [2021-06-14 12:19:16,989 WARN L205 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 1589 DAG size of output: 1802 [2021-06-14 12:19:19,139 WARN L205 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 1585 DAG size of output: 1653 [2021-06-14 12:19:21,396 WARN L205 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 1582 DAG size of output: 1584 [2021-06-14 12:19:22,162 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 866 DAG size of output: 624 [2021-06-14 12:19:23,021 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 552 [2021-06-14 12:19:23,276 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 499 DAG size of output: 523 [2021-06-14 12:19:24,309 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 1482 DAG size of output: 1136 [2021-06-14 12:19:24,766 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 1681 DAG size of output: 1300 [2021-06-14 12:19:25,512 WARN L205 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 1731 DAG size of output: 1347 [2021-06-14 12:19:26,033 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 784 DAG size of output: 539 [2021-06-14 12:19:26,279 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 470 [2021-06-14 12:19:26,461 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 453 [2021-06-14 12:19:27,115 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 662 DAG size of output: 590 [2021-06-14 12:19:27,334 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 1049 DAG size of output: 929 [2021-06-14 12:19:27,727 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 1322 DAG size of output: 1206 [2021-06-14 12:19:28,335 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 1596 DAG size of output: 1440 [2021-06-14 12:19:32,474 WARN L205 SmtUtils]: Spent 4.13 s on a formula simplification. DAG size of input: 6008 DAG size of output: 4452 [2021-06-14 12:19:38,486 WARN L205 SmtUtils]: Spent 5.99 s on a formula simplification. DAG size of input: 6937 DAG size of output: 5325 [2021-06-14 12:19:46,644 WARN L205 SmtUtils]: Spent 8.12 s on a formula simplification. DAG size of input: 7774 DAG size of output: 6090 [2021-06-14 12:19:59,402 WARN L205 SmtUtils]: Spent 12.72 s on a formula simplification. DAG size of input: 9998 DAG size of output: 7827 [2021-06-14 12:20:00,073 WARN L205 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 731 [2021-06-14 12:20:00,586 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 618 DAG size of output: 724 [2021-06-14 12:20:00,755 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 563 [2021-06-14 12:20:01,212 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 648 DAG size of output: 510 [2021-06-14 12:20:01,334 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 505 [2021-06-14 12:20:01,547 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 451 [2021-06-14 12:20:01,756 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 429 [2021-06-14 12:20:01,865 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 381 [2021-06-14 12:20:01,984 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 375 [2021-06-14 12:20:02,197 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 809 DAG size of output: 588 [2021-06-14 12:20:02,387 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 1014 DAG size of output: 767 [2021-06-14 12:20:02,691 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 1203 DAG size of output: 929 [2021-06-14 12:20:03,633 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 1769 DAG size of output: 1368 [2021-06-14 12:20:04,471 WARN L205 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 2060 DAG size of output: 1582 [2021-06-14 12:20:05,678 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 2406 DAG size of output: 1802 [2021-06-14 12:20:07,409 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 2694 DAG size of output: 2069 [2021-06-14 12:20:09,842 WARN L205 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 3047 DAG size of output: 2347 [2021-06-14 12:20:27,838 WARN L205 SmtUtils]: Spent 17.97 s on a formula simplification. DAG size of input: 11808 DAG size of output: 9293 [2021-06-14 12:21:39,668 WARN L205 SmtUtils]: Spent 1.20 m on a formula simplification. DAG size of input: 36574 DAG size of output: 28412 [2021-06-14 12:21:45,173 WARN L205 SmtUtils]: Spent 5.37 s on a formula simplification. DAG size of input: 2300 DAG size of output: 2302 [2021-06-14 12:21:50,472 WARN L205 SmtUtils]: Spent 5.28 s on a formula simplification. DAG size of input: 2296 DAG size of output: 2437 [2021-06-14 12:21:52,672 WARN L205 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 2290 DAG size of output: 2290 [2021-06-14 12:21:53,354 WARN L205 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 740 [2021-06-14 12:21:53,980 WARN L205 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 673 DAG size of output: 775 [2021-06-14 12:21:54,424 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 700 [2021-06-14 12:21:54,698 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 498 [2021-06-14 12:21:54,927 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 465 [2021-06-14 12:21:55,143 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 454 [2021-06-14 12:21:55,285 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 443 DAG size of output: 451 [2021-06-14 12:21:55,659 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 990 DAG size of output: 679 [2021-06-14 12:21:56,042 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 1241 DAG size of output: 885 [2021-06-14 12:21:56,643 WARN L205 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 1490 DAG size of output: 1090 [2021-06-14 12:21:57,606 WARN L205 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 1944 DAG size of output: 1516 [2021-06-14 12:21:59,137 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 2410 DAG size of output: 2018 [2021-06-14 12:22:01,285 WARN L205 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 2655 DAG size of output: 2243 [2021-06-14 12:22:04,931 WARN L205 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 1935 DAG size of output: 2201 [2021-06-14 12:22:05,983 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 808 DAG size of output: 536 [2021-06-14 12:22:07,004 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 861 DAG size of output: 567 [2021-06-14 12:22:07,319 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 543 [2021-06-14 12:22:07,554 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 532 [2021-06-14 12:22:08,154 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 1032 DAG size of output: 809 [2021-06-14 12:22:08,658 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 1301 DAG size of output: 1028 [2021-06-14 12:22:08,857 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 378 [2021-06-14 12:22:09,016 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 499 [2021-06-14 12:22:09,398 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 875 DAG size of output: 658 [2021-06-14 12:22:10,174 WARN L205 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 774 DAG size of output: 852 [2021-06-14 12:22:10,426 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 738 DAG size of output: 738 [2021-06-14 12:22:10,838 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 671 DAG size of output: 671 [2021-06-14 12:22:12,013 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 1450 DAG size of output: 1081 [2021-06-14 12:22:12,579 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 1628 DAG size of output: 1208 [2021-06-14 12:22:13,679 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 1967 DAG size of output: 1501 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown