/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Symm.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 20:21:39,260 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 20:21:39,262 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 20:21:39,292 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-16 20:21:39,339 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Symm.epf [2021-06-16 20:21:39,366 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 20:21:39,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 20:21:39,367 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-16 20:21:39,367 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-16 20:21:39,368 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 20:21:39,369 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 20:21:39,369 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 20:21:39,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 20:21:39,369 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 20:21:39,369 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 20:21:39,370 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 20:21:39,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 20:21:39,370 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 20:21:39,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 20:21:39,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 20:21:39,370 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 20:21:39,370 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 20:21:39,370 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 20:21:39,370 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 20:21:39,371 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 20:21:39,371 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 20:21:39,371 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 20:21:39,371 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 20:21:39,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 20:21:39,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 20:21:39,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 20:21:39,371 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 20:21:39,387 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 20:21:39,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 20:21:39,387 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 20:21:39,387 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-16 20:21:39,387 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 20:21:39,387 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-16 20:21:39,387 INFO L138 SettingsManager]: * Limit POR to symmetric independence in concurrent analysis=true [2021-06-16 20:21:39,388 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 20:21:39,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 20:21:39,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 20:21:39,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 20:21:39,653 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-16 20:21:39,653 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-16 20:21:39,654 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl [2021-06-16 20:21:39,654 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl' [2021-06-16 20:21:39,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 20:21:39,691 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-16 20:21:39,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 20:21:39,692 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 20:21:39,692 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 20:21:39,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:21:39" (1/1) ... [2021-06-16 20:21:39,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:21:39" (1/1) ... [2021-06-16 20:21:39,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 20:21:39,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 20:21:39,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 20:21:39,714 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 20:21:39,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:21:39" (1/1) ... [2021-06-16 20:21:39,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:21:39" (1/1) ... [2021-06-16 20:21:39,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:21:39" (1/1) ... [2021-06-16 20:21:39,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:21:39" (1/1) ... [2021-06-16 20:21:39,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:21:39" (1/1) ... [2021-06-16 20:21:39,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:21:39" (1/1) ... [2021-06-16 20:21:39,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:21:39" (1/1) ... [2021-06-16 20:21:39,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 20:21:39,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 20:21:39,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 20:21:39,728 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 20:21:39,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:21:39" (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 [2021-06-16 20:21:39,783 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-16 20:21:39,784 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-16 20:21:39,784 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-16 20:21:39,784 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-16 20:21:39,784 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-16 20:21:39,784 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-16 20:21:39,784 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-16 20:21:39,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 20:21:39,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 20:21:39,786 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-16 20:21:39,939 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 20:21:39,940 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-16 20:21:39,940 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-16 20:21:39,940 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-16 20:21:39,942 INFO L202 PluginConnector]: Adding new model unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 08:21:39 BoogieIcfgContainer [2021-06-16 20:21:39,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 20:21:39,943 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 20:21:39,943 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 20:21:39,945 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 20:21:39,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:21:39" (1/2) ... [2021-06-16 20:21:39,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64e3ee9f and model type unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 08:21:39, skipping insertion in model container [2021-06-16 20:21:39,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 08:21:39" (2/2) ... [2021-06-16 20:21:39,946 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-3.wvr.bpl [2021-06-16 20:21:39,950 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 20:21:39,950 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 20:21:39,950 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-16 20:21:39,951 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 20:21:39,985 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-16 20:21:39,999 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-16 20:21:40,044 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 20:21:40,044 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 20:21:40,044 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 20:21:40,044 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 20:21:40,044 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 20:21:40,044 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 20:21:40,044 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 20:21:40,044 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 20:21:40,063 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:21:40,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:21:40,066 INFO L82 PathProgramCache]: Analyzing trace with hash 1034851945, now seen corresponding path program 1 times [2021-06-16 20:21:40,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:21:40,072 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235366698] [2021-06-16 20:21:40,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:21:40,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:21:40,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:21:40,213 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:21:40,213 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235366698] [2021-06-16 20:21:40,214 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235366698] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 20:21:40,214 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 20:21:40,214 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-16 20:21:40,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116610266] [2021-06-16 20:21:40,217 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 20:21:40,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:21:40,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 20:21:40,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 20:21:40,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:21:40,232 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:21:40,233 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:21:40,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:21:40,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:21:40,262 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 20:21:40,262 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:21:40,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:21:40,262 INFO L82 PathProgramCache]: Analyzing trace with hash -619637623, now seen corresponding path program 1 times [2021-06-16 20:21:40,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:21:40,263 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478066077] [2021-06-16 20:21:40,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:21:40,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:21:40,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:21:40,299 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:21:40,299 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478066077] [2021-06-16 20:21:40,299 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478066077] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:21:40,299 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [54498729] [2021-06-16 20:21:40,299 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 [2021-06-16 20:21:40,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:21:40,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-16 20:21:40,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:21:40,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:21:40,427 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [54498729] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:21:40,427 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:21:40,427 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-06-16 20:21:40,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455296292] [2021-06-16 20:21:40,429 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-16 20:21:40,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:21:40,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-16 20:21:40,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-16 20:21:40,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:21:40,431 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:21:40,432 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 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) [2021-06-16 20:21:40,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:21:40,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:21:40,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:21:40,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:21:40,685 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:21:40,686 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:21:40,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:21:40,687 INFO L82 PathProgramCache]: Analyzing trace with hash -2005825454, now seen corresponding path program 1 times [2021-06-16 20:21:40,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:21:40,687 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082255270] [2021-06-16 20:21:40,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:21:40,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:21:40,739 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 20:21:40,740 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:21:40,740 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082255270] [2021-06-16 20:21:40,740 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082255270] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:21:40,740 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1825559007] [2021-06-16 20:21:40,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:21:40,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:21:40,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-16 20:21:40,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:21:40,792 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 20:21:40,792 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1825559007] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:21:40,793 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:21:40,793 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-06-16 20:21:40,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138611878] [2021-06-16 20:21:40,793 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-16 20:21:40,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:21:40,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-16 20:21:40,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-16 20:21:40,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:21:40,794 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:21:40,794 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:21:40,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:21:40,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:21:40,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:21:40,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:21:40,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:21:40,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:21:41,028 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:21:41,028 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:21:41,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:21:41,029 INFO L82 PathProgramCache]: Analyzing trace with hash 1462566514, now seen corresponding path program 2 times [2021-06-16 20:21:41,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:21:41,029 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709993036] [2021-06-16 20:21:41,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:21:41,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:21:41,064 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 20:21:41,064 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:21:41,064 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709993036] [2021-06-16 20:21:41,064 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709993036] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:21:41,065 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882069289] [2021-06-16 20:21:41,065 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:21:41,091 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 20:21:41,091 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:21:41,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-16 20:21:41,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:21:41,162 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 20:21:41,162 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [882069289] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:21:41,163 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:21:41,163 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-06-16 20:21:41,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165540586] [2021-06-16 20:21:41,163 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 20:21:41,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:21:41,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 20:21:41,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-16 20:21:41,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:21:41,164 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:21:41,164 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:21:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:21:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:21:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:21:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:21:41,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:21:41,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:21:41,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:21:41,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:21:41,411 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:21:41,411 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:21:41,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:21:41,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1608535122, now seen corresponding path program 3 times [2021-06-16 20:21:41,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:21:41,412 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290425732] [2021-06-16 20:21:41,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:21:41,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:21:41,462 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:21:41,462 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:21:41,462 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290425732] [2021-06-16 20:21:41,462 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290425732] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:21:41,462 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551291462] [2021-06-16 20:21:41,462 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:21:41,488 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-16 20:21:41,489 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:21:41,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-16 20:21:41,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:21:41,611 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:21:41,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-06-16 20:21:41,636 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:21:41,637 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:21:41,638 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 20:21:41,638 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-06-16 20:21:41,647 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:21:41,647 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1551291462] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:21:41,647 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:21:41,647 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 9 [2021-06-16 20:21:41,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359579857] [2021-06-16 20:21:41,648 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-16 20:21:41,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:21:41,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-16 20:21:41,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-06-16 20:21:41,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:21:41,650 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:21:41,650 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:21:41,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:21:41,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:21:41,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:21:41,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:21:41,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:21:41,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:21:41,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:21:41,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:21:41,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:21:41,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:21:41,896 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:21:41,897 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:21:41,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:21:41,897 INFO L82 PathProgramCache]: Analyzing trace with hash 1838594674, now seen corresponding path program 4 times [2021-06-16 20:21:41,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:21:41,898 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453315430] [2021-06-16 20:21:41,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:21:41,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:21:41,951 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:21:41,951 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:21:41,951 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453315430] [2021-06-16 20:21:41,951 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453315430] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:21:41,951 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [667922765] [2021-06-16 20:21:41,952 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:21:41,991 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-16 20:21:41,991 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:21:41,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-16 20:21:41,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:21:42,047 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:21:42,047 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [667922765] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:21:42,047 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:21:42,047 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-06-16 20:21:42,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927560065] [2021-06-16 20:21:42,048 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-16 20:21:42,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:21:42,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-16 20:21:42,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-06-16 20:21:42,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:21:42,049 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:21:42,049 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:21:42,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:21:42,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:21:42,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:21:42,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:21:42,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:21:42,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:21:42,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:21:42,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:21:42,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:21:42,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:21:42,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:21:42,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 20:21:42,327 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:21:42,327 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:21:42,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:21:42,327 INFO L82 PathProgramCache]: Analyzing trace with hash 1184931721, now seen corresponding path program 5 times [2021-06-16 20:21:42,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:21:42,328 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831515981] [2021-06-16 20:21:42,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:21:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:21:42,382 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-16 20:21:42,382 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:21:42,383 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831515981] [2021-06-16 20:21:42,383 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831515981] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:21:42,385 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [651665268] [2021-06-16 20:21:42,385 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:21:42,415 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-16 20:21:42,415 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:21:42,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-16 20:21:42,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:21:42,461 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-16 20:21:42,462 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [651665268] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:21:42,462 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:21:42,462 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-16 20:21:42,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814181074] [2021-06-16 20:21:42,462 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-16 20:21:42,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:21:42,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-16 20:21:42,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-06-16 20:21:42,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:21:42,463 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:21:42,463 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:21:42,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:21:42,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:21:42,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:21:42,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:21:42,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:21:42,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-16 20:21:42,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:21:42,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:21:42,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:21:42,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:21:42,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:21:42,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:21:42,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 20:21:42,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:21:42,753 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:21:42,753 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:21:42,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:21:42,754 INFO L82 PathProgramCache]: Analyzing trace with hash -749131895, now seen corresponding path program 6 times [2021-06-16 20:21:42,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:21:42,754 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580095456] [2021-06-16 20:21:42,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:21:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:21:42,830 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:21:42,830 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:21:42,831 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580095456] [2021-06-16 20:21:42,831 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580095456] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:21:42,831 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1370493097] [2021-06-16 20:21:42,831 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:21:42,871 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-16 20:21:42,871 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:21:42,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-16 20:21:42,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:21:42,964 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 20:21:42,964 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1370493097] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:21:42,964 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:21:42,965 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 16 [2021-06-16 20:21:42,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573997993] [2021-06-16 20:21:42,965 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-16 20:21:42,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:21:42,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-16 20:21:42,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2021-06-16 20:21:42,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:21:42,966 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:21:42,966 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.7058823529411764) internal successors, (29), 16 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:21:42,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:21:42,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:21:42,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:21:42,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:21:42,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:21:42,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-16 20:21:42,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:21:42,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:21:43,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:21:43,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:21:43,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:21:43,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:21:43,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:21:43,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 20:21:43,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:21:43,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:21:43,314 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-06-16 20:21:43,314 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:21:43,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:21:43,315 INFO L82 PathProgramCache]: Analyzing trace with hash -1725180590, now seen corresponding path program 7 times [2021-06-16 20:21:43,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:21:43,315 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686673685] [2021-06-16 20:21:43,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:21:43,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:21:43,400 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-16 20:21:43,400 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:21:43,401 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686673685] [2021-06-16 20:21:43,401 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686673685] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:21:43,401 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [186670681] [2021-06-16 20:21:43,401 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:21:43,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:21:43,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-16 20:21:43,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:21:43,530 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-16 20:21:43,531 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [186670681] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:21:43,531 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:21:43,531 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2021-06-16 20:21:43,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327113516] [2021-06-16 20:21:43,531 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-16 20:21:43,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:21:43,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-16 20:21:43,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2021-06-16 20:21:43,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:21:43,532 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:21:43,532 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5625) internal successors, (25), 15 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:21:43,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:21:43,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:21:43,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:21:43,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:21:43,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:21:43,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-16 20:21:43,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:21:43,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:21:43,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:21:43,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:21:43,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:21:43,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:21:43,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:21:43,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:21:43,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 20:21:43,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:21:43,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:21:43,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:21:43,931 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:21:43,931 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:21:43,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:21:43,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1876737230, now seen corresponding path program 8 times [2021-06-16 20:21:43,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:21:43,931 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409513535] [2021-06-16 20:21:43,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:21:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:21:44,025 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:21:44,025 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:21:44,025 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409513535] [2021-06-16 20:21:44,025 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409513535] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:21:44,025 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1056267284] [2021-06-16 20:21:44,025 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:21:44,058 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 20:21:44,058 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:21:44,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-16 20:21:44,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:21:44,474 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-06-16 20:21:44,474 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:21:44,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 43 treesize of output 319 [2021-06-16 20:21:45,634 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 288 [2021-06-16 20:21:45,769 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 273 [2021-06-16 20:21:45,884 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 273 [2021-06-16 20:21:46,020 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 286 [2021-06-16 20:21:46,332 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 346 [2021-06-16 20:21:46,542 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 325 [2021-06-16 20:21:46,676 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 261 [2021-06-16 20:21:48,082 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 219 [2021-06-16 20:21:49,300 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 315 [2021-06-16 20:21:49,594 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 376 [2021-06-16 20:21:49,866 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 424 [2021-06-16 20:21:51,231 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 227 [2021-06-16 20:21:51,400 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 277 [2021-06-16 20:21:51,659 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 303 [2021-06-16 20:21:52,193 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 848 DAG size of output: 621 [2021-06-16 20:21:52,812 WARN L205 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 859 DAG size of output: 631 [2021-06-16 20:21:53,661 WARN L205 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 958 DAG size of output: 706 [2021-06-16 20:21:54,864 WARN L205 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 1019 DAG size of output: 750 [2021-06-16 20:21:55,856 WARN L205 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 1106 DAG size of output: 776 [2021-06-16 20:21:56,850 WARN L205 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 1106 DAG size of output: 776 [2021-06-16 20:21:57,923 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 1112 DAG size of output: 782 [2021-06-16 20:21:59,223 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 784 DAG size of output: 960 [2021-06-16 20:22:00,194 WARN L205 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 737 DAG size of output: 805 [2021-06-16 20:22:01,703 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 335 [2021-06-16 20:22:01,939 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 348 [2021-06-16 20:22:02,425 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 726 DAG size of output: 355 [2021-06-16 20:22:03,104 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 441 [2021-06-16 20:22:03,659 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 971 DAG size of output: 480 [2021-06-16 20:22:04,128 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 1114 DAG size of output: 529 [2021-06-16 20:22:04,758 WARN L205 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 1320 DAG size of output: 647 [2021-06-16 20:22:05,399 WARN L205 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 1320 DAG size of output: 647 [2021-06-16 20:22:06,093 WARN L205 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 1324 DAG size of output: 652 [2021-06-16 20:22:06,785 WARN L205 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 675 [2021-06-16 20:22:07,286 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 615 DAG size of output: 517 [2021-06-16 20:22:08,207 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:22:08,208 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:22:08,208 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 20:22:08,208 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-06-16 20:22:08,213 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:22:08,214 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1056267284] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:22:08,214 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:22:08,214 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14] total 23 [2021-06-16 20:22:08,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334773024] [2021-06-16 20:22:08,214 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-16 20:22:08,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:22:08,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-16 20:22:08,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=495, Unknown=0, NotChecked=0, Total=552 [2021-06-16 20:22:08,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:22:08,215 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:22:08,215 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.5416666666666667) internal successors, (37), 23 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:22:08,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:22:08,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:22:08,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:22:08,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:22:08,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:22:08,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-16 20:22:08,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:22:08,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:22:08,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:22:08,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:22:08,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:22:08,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:22:08,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:22:08,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:22:08,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:22:08,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 20:22:08,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:22:08,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:22:08,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:22:08,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:22:08,527 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:22:08,528 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:22:08,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:22:08,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1384664402, now seen corresponding path program 9 times [2021-06-16 20:22:08,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:22:08,528 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239067198] [2021-06-16 20:22:08,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:22:08,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:22:08,660 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 55 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:22:08,661 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:22:08,661 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239067198] [2021-06-16 20:22:08,661 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239067198] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:22:08,661 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843677145] [2021-06-16 20:22:08,661 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:22:08,692 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-06-16 20:22:08,692 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:22:08,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-16 20:22:08,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:22:08,769 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 66 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:22:08,769 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [843677145] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:22:08,769 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:22:08,770 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 18 [2021-06-16 20:22:08,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325292669] [2021-06-16 20:22:08,770 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-16 20:22:08,770 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:22:08,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-16 20:22:08,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2021-06-16 20:22:08,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:22:08,771 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:22:08,771 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 18 states have internal predecessors, (27), 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) [2021-06-16 20:22:08,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:22:08,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:22:08,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:22:08,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:22:08,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:22:08,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-16 20:22:08,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:22:08,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:22:08,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:22:08,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:22:08,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:22:08,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:22:09,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:22:09,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:22:09,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:22:09,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:22:09,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 20:22:09,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:22:09,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:22:09,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:22:09,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:22:09,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:22:09,209 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1524 [2021-06-16 20:22:09,209 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:22:09,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:22:09,209 INFO L82 PathProgramCache]: Analyzing trace with hash -2004823, now seen corresponding path program 10 times [2021-06-16 20:22:09,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:22:09,210 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943722675] [2021-06-16 20:22:09,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:22:09,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:22:09,391 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:22:09,392 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:22:09,392 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943722675] [2021-06-16 20:22:09,394 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943722675] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:22:09,394 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [567582508] [2021-06-16 20:22:09,394 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:22:09,437 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-16 20:22:09,438 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:22:09,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 39 conjunts are in the unsatisfiable core [2021-06-16 20:22:09,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:22:10,420 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-06-16 20:22:10,421 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:22:10,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 23 new quantified variables, introduced 66 case distinctions, treesize of input 55 treesize of output 568 [2021-06-16 20:22:11,457 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 380 [2021-06-16 20:22:11,629 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 383 [2021-06-16 20:22:12,869 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 321 [2021-06-16 20:22:13,065 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 513 [2021-06-16 20:22:13,321 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 516 [2021-06-16 20:22:13,785 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 757 [2021-06-16 20:22:14,329 WARN L205 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 938 DAG size of output: 782 [2021-06-16 20:22:15,220 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 397 [2021-06-16 20:22:15,392 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 432 [2021-06-16 20:22:15,612 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 439 [2021-06-16 20:22:16,410 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 387 [2021-06-16 20:22:17,057 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 392 [2021-06-16 20:22:17,329 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 687 [2021-06-16 20:22:17,679 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 720 [2021-06-16 20:22:18,107 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 727 [2021-06-16 20:22:18,842 WARN L205 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 1118 DAG size of output: 985 [2021-06-16 20:22:19,705 WARN L205 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 1140 DAG size of output: 1008 [2021-06-16 20:22:21,227 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1924 DAG size of output: 1536 [2021-06-16 20:22:22,502 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 483 [2021-06-16 20:22:22,780 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 486 [2021-06-16 20:22:23,489 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 344 [2021-06-16 20:22:23,618 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 347 [2021-06-16 20:22:24,017 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 711 [2021-06-16 20:22:24,497 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 737 [2021-06-16 20:22:25,423 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 367 [2021-06-16 20:22:25,570 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 402 [2021-06-16 20:22:25,831 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 408 [2021-06-16 20:22:26,958 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 363 [2021-06-16 20:22:27,191 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 657 [2021-06-16 20:22:27,498 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 690 [2021-06-16 20:22:27,878 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 696 [2021-06-16 20:22:28,511 WARN L205 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 1082 DAG size of output: 940 [2021-06-16 20:22:29,252 WARN L205 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 964 [2021-06-16 20:22:30,571 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1466 [2021-06-16 20:22:33,856 WARN L205 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 3619 DAG size of output: 2834 [2021-06-16 20:22:37,611 WARN L205 SmtUtils]: Spent 3.74 s on a formula simplification. DAG size of input: 3664 DAG size of output: 2879 [2021-06-16 20:22:41,911 WARN L205 SmtUtils]: Spent 4.28 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-06-16 20:22:46,201 WARN L205 SmtUtils]: Spent 4.27 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-06-16 20:22:51,277 WARN L205 SmtUtils]: Spent 5.07 s on a formula simplification. DAG size of input: 3707 DAG size of output: 2922 [2021-06-16 20:22:55,994 WARN L205 SmtUtils]: Spent 4.70 s on a formula simplification. DAG size of input: 2924 DAG size of output: 2915 [2021-06-16 20:23:01,108 WARN L205 SmtUtils]: Spent 5.10 s on a formula simplification. DAG size of input: 2912 DAG size of output: 3217 [2021-06-16 20:23:08,984 WARN L205 SmtUtils]: Spent 7.86 s on a formula simplification. DAG size of input: 2696 DAG size of output: 3553 [2021-06-16 20:23:09,152 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 2516 [2021-06-16 20:23:10,246 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 278 [2021-06-16 20:23:12,106 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 2495 DAG size of output: 2494 [2021-06-16 20:23:18,479 WARN L205 SmtUtils]: Spent 6.36 s on a formula simplification. DAG size of input: 2493 DAG size of output: 3700 [2021-06-16 20:23:18,773 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 2169 DAG size of output: 2169 [2021-06-16 20:23:19,067 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 2126 DAG size of output: 2126 [2021-06-16 20:23:20,044 WARN L205 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 977 [2021-06-16 20:23:20,322 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 339 [2021-06-16 20:23:21,849 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 257 [2021-06-16 20:23:22,085 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 340 [2021-06-16 20:23:22,384 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 396 [2021-06-16 20:23:22,844 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 592 [2021-06-16 20:23:23,655 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 185 [2021-06-16 20:23:23,793 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 243 [2021-06-16 20:23:24,129 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 265 [2021-06-16 20:23:24,427 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 425 [2021-06-16 20:23:24,888 WARN L205 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 623 [2021-06-16 20:23:25,921 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 1090 DAG size of output: 844 [2021-06-16 20:23:27,182 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 322 [2021-06-16 20:23:27,460 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 350 [2021-06-16 20:23:28,407 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 285 [2021-06-16 20:23:28,642 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 391 [2021-06-16 20:23:28,959 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 449 [2021-06-16 20:23:29,856 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 238 [2021-06-16 20:23:30,053 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 360 [2021-06-16 20:23:30,321 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 396 [2021-06-16 20:23:30,651 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 455 [2021-06-16 20:23:31,374 WARN L205 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 659 [2021-06-16 20:23:32,311 WARN L205 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 710 [2021-06-16 20:23:33,172 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 245 [2021-06-16 20:23:33,345 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 305 [2021-06-16 20:23:33,569 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 409 [2021-06-16 20:23:33,868 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 472 [2021-06-16 20:23:34,857 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 221 [2021-06-16 20:23:35,007 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 275 [2021-06-16 20:23:35,212 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 374 [2021-06-16 20:23:35,497 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 411 [2021-06-16 20:23:35,857 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 475 [2021-06-16 20:23:36,572 WARN L205 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 714 [2021-06-16 20:23:38,397 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 1682 DAG size of output: 1237 [2021-06-16 20:23:41,358 WARN L205 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 2518 DAG size of output: 1697 [2021-06-16 20:23:44,764 WARN L205 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 2537 DAG size of output: 1736 [2021-06-16 20:23:49,167 WARN L205 SmtUtils]: Spent 4.39 s on a formula simplification. DAG size of input: 2890 DAG size of output: 1831 [2021-06-16 20:23:50,255 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 700 DAG size of output: 1050 [2021-06-16 20:23:50,634 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 660 [2021-06-16 20:23:51,216 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 647 DAG size of output: 823 [2021-06-16 20:23:52,259 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 257 [2021-06-16 20:23:52,471 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 285 [2021-06-16 20:23:52,736 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 348 [2021-06-16 20:23:53,117 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 513 [2021-06-16 20:23:53,304 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 429 [2021-06-16 20:23:54,263 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 283 [2021-06-16 20:23:54,449 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 309 [2021-06-16 20:23:55,364 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 270 [2021-06-16 20:23:55,523 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 296 [2021-06-16 20:23:55,911 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 492 [2021-06-16 20:23:56,442 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 624 [2021-06-16 20:23:57,223 WARN L205 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 814 [2021-06-16 20:23:58,457 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 1338 DAG size of output: 1058 [2021-06-16 20:24:00,177 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 1723 DAG size of output: 1396 [2021-06-16 20:24:00,862 WARN L205 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 828 [2021-06-16 20:24:01,474 WARN L205 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 766 [2021-06-16 20:24:01,858 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 639 [2021-06-16 20:24:01,967 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 332 [2021-06-16 20:24:03,512 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 224 [2021-06-16 20:24:03,649 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 248 [2021-06-16 20:24:03,805 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 212 [2021-06-16 20:24:04,104 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 388 [2021-06-16 20:24:04,716 WARN L205 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 707 [2021-06-16 20:24:05,656 WARN L205 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 1357 DAG size of output: 863 [2021-06-16 20:24:07,020 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1729 DAG size of output: 1197 [2021-06-16 20:24:10,400 WARN L205 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 2363 DAG size of output: 1672 [2021-06-16 20:24:14,268 WARN L205 SmtUtils]: Spent 3.86 s on a formula simplification. DAG size of input: 2424 DAG size of output: 1716 [2021-06-16 20:24:19,844 WARN L205 SmtUtils]: Spent 5.57 s on a formula simplification. DAG size of input: 2831 DAG size of output: 1844 [2021-06-16 20:24:30,790 WARN L205 SmtUtils]: Spent 10.93 s on a formula simplification. DAG size of input: 5382 DAG size of output: 3237 [2021-06-16 20:24:32,023 WARN L205 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 707 DAG size of output: 1000 [2021-06-16 20:24:32,581 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 712 [2021-06-16 20:24:33,350 WARN L205 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 877 [2021-06-16 20:24:33,838 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 729 [2021-06-16 20:24:34,636 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 262 [2021-06-16 20:24:34,836 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 300 [2021-06-16 20:24:35,061 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 374 [2021-06-16 20:24:35,961 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 229 [2021-06-16 20:24:36,793 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 344 [2021-06-16 20:24:37,736 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 334 [2021-06-16 20:24:38,846 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 369 [2021-06-16 20:24:39,272 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 560 [2021-06-16 20:24:40,075 WARN L205 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 902 DAG size of output: 726 [2021-06-16 20:24:41,044 WARN L205 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 962 DAG size of output: 768 [2021-06-16 20:24:42,253 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 1071 DAG size of output: 879 [2021-06-16 20:24:43,526 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 1304 DAG size of output: 904 [2021-06-16 20:24:45,381 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 1744 DAG size of output: 1304 [2021-06-16 20:24:47,954 WARN L205 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 2015 DAG size of output: 1655 [2021-06-16 20:24:48,779 WARN L205 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 879 [2021-06-16 20:24:49,145 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 490 [2021-06-16 20:24:49,433 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 491 [2021-06-16 20:24:50,650 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 260 [2021-06-16 20:24:51,515 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 289 [2021-06-16 20:24:51,787 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 317 [2021-06-16 20:24:52,172 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 433 [2021-06-16 20:24:52,875 WARN L205 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 821 DAG size of output: 666 [2021-06-16 20:24:53,896 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 945 DAG size of output: 803 [2021-06-16 20:24:54,075 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 354 [2021-06-16 20:24:54,765 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 338 [2021-06-16 20:24:54,942 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 377 [2021-06-16 20:24:55,229 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 443 [2021-06-16 20:24:56,500 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 1314 DAG size of output: 1007 [2021-06-16 20:24:58,384 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 1586 DAG size of output: 1355 [2021-06-16 20:25:03,260 WARN L205 SmtUtils]: Spent 4.87 s on a formula simplification. DAG size of input: 2617 DAG size of output: 2064 [2021-06-16 20:25:10,025 WARN L205 SmtUtils]: Spent 6.75 s on a formula simplification. DAG size of input: 2989 DAG size of output: 2220 [2021-06-16 20:25:17,576 WARN L205 SmtUtils]: Spent 7.54 s on a formula simplification. DAG size of input: 3049 DAG size of output: 2305 [2021-06-16 20:25:18,258 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 573 [2021-06-16 20:25:18,982 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 296 [2021-06-16 20:25:19,155 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 358 [2021-06-16 20:25:19,864 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 451 [2021-06-16 20:25:20,836 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 215 [2021-06-16 20:25:20,989 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 254 [2021-06-16 20:25:21,221 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 348 [2021-06-16 20:25:21,517 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 399 [2021-06-16 20:25:21,904 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 425 [2021-06-16 20:25:22,361 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 485 [2021-06-16 20:25:22,908 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 521 [2021-06-16 20:25:24,182 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 328 [2021-06-16 20:25:24,431 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 369 [2021-06-16 20:25:24,758 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 394 [2021-06-16 20:25:25,224 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 433 [2021-06-16 20:25:25,760 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 517 [2021-06-16 20:25:26,414 WARN L205 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 580 [2021-06-16 20:25:27,757 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 978 DAG size of output: 863 [2021-06-16 20:25:28,680 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 202 [2021-06-16 20:25:28,840 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 256 [2021-06-16 20:25:29,099 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 384 [2021-06-16 20:25:29,436 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 442 [2021-06-16 20:25:29,630 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 292 [2021-06-16 20:25:30,268 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 328 [2021-06-16 20:25:30,488 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 391 [2021-06-16 20:25:30,779 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 450 [2021-06-16 20:25:31,476 WARN L205 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 639 [2021-06-16 20:25:32,561 WARN L205 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 800 DAG size of output: 715 [2021-06-16 20:25:35,078 WARN L205 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 1872 DAG size of output: 1482 [2021-06-16 20:25:38,378 WARN L205 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 2070 DAG size of output: 1568 [2021-06-16 20:25:38,522 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 361 [2021-06-16 20:25:39,133 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 344 [2021-06-16 20:25:39,322 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 367 [2021-06-16 20:25:39,912 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 246 [2021-06-16 20:25:40,268 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 486 [2021-06-16 20:25:41,300 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 243 [2021-06-16 20:25:41,443 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 266 [2021-06-16 20:25:41,651 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 324 [2021-06-16 20:25:41,939 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 457 [2021-06-16 20:25:42,345 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 599 [2021-06-16 20:25:43,194 WARN L205 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 817 [2021-06-16 20:25:44,377 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 1006 DAG size of output: 867 [2021-06-16 20:25:45,461 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 318 [2021-06-16 20:25:45,651 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 388 [2021-06-16 20:25:45,884 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 406 [2021-06-16 20:25:46,168 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 422 [2021-06-16 20:25:46,540 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 470 [2021-06-16 20:25:48,294 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 1433 DAG size of output: 1082 [2021-06-16 20:25:53,597 WARN L205 SmtUtils]: Spent 5.30 s on a formula simplification. DAG size of input: 2994 DAG size of output: 2129 [2021-06-16 20:25:59,527 WARN L205 SmtUtils]: Spent 5.92 s on a formula simplification. DAG size of input: 3038 DAG size of output: 2179 [2021-06-16 20:26:14,080 WARN L205 SmtUtils]: Spent 14.54 s on a formula simplification. DAG size of input: 5719 DAG size of output: 3928 [2021-06-16 20:26:42,387 WARN L205 SmtUtils]: Spent 28.28 s on a formula simplification. DAG size of input: 8989 DAG size of output: 5710 [2021-06-16 20:26:43,421 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 329 [2021-06-16 20:26:43,617 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 340 [2021-06-16 20:27:14,914 WARN L205 SmtUtils]: Spent 31.28 s on a formula simplification. DAG size of input: 9287 DAG size of output: 5929 [2021-06-16 20:27:52,094 WARN L205 SmtUtils]: Spent 37.13 s on a formula simplification. DAG size of input: 10982 DAG size of output: 7649 [2021-06-16 20:27:53,195 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 295 [2021-06-16 20:27:53,394 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 410 [2021-06-16 20:27:53,630 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 416 [2021-06-16 20:28:31,647 WARN L205 SmtUtils]: Spent 38.00 s on a formula simplification. DAG size of input: 11394 DAG size of output: 7943 [2021-06-16 20:29:10,411 WARN L205 SmtUtils]: Spent 38.71 s on a formula simplification. DAG size of input: 11649 DAG size of output: 8097 [2021-06-16 20:29:56,311 WARN L205 SmtUtils]: Spent 45.85 s on a formula simplification. DAG size of input: 12976 DAG size of output: 9218 [2021-06-16 20:29:59,850 WARN L205 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1636 [2021-06-16 20:30:00,011 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 1238 [2021-06-16 20:30:01,437 WARN L205 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 1216 [2021-06-16 20:30:05,019 WARN L205 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 1215 DAG size of output: 1779 [2021-06-16 20:30:05,173 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1093 DAG size of output: 1093 [2021-06-16 20:30:05,318 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 1052 DAG size of output: 1052 [2021-06-16 20:30:06,410 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 686 DAG size of output: 991 [2021-06-16 20:30:07,117 WARN L205 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 739 [2021-06-16 20:30:08,090 WARN L205 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 766 [2021-06-16 20:30:08,851 WARN L205 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 791 [2021-06-16 20:30:09,188 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 441 [2021-06-16 20:30:09,897 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2021-06-16 20:30:10,073 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 291 [2021-06-16 20:30:10,478 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 348 [2021-06-16 20:30:10,824 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 453 [2021-06-16 20:30:11,242 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 477 [2021-06-16 20:30:12,837 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 417 [2021-06-16 20:30:13,147 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 435 [2021-06-16 20:30:13,966 WARN L205 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 758 [2021-06-16 20:30:15,024 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 1152 DAG size of output: 843 [2021-06-16 20:30:16,452 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1015 [2021-06-16 20:30:17,363 WARN L205 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 765 [2021-06-16 20:30:18,454 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 675 DAG size of output: 790 [2021-06-16 20:30:18,749 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 428 [2021-06-16 20:30:19,432 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 281 [2021-06-16 20:30:19,658 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 391 [2021-06-16 20:30:20,010 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 464 [2021-06-16 20:30:20,137 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 266 [2021-06-16 20:30:20,270 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 267 [2021-06-16 20:30:20,917 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2021-06-16 20:30:21,091 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2021-06-16 20:30:21,945 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 265 [2021-06-16 20:30:22,132 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 290 [2021-06-16 20:30:22,552 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 384 [2021-06-16 20:30:22,690 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 242 [2021-06-16 20:30:23,499 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 261 [2021-06-16 20:30:24,019 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 319 [2021-06-16 20:30:24,309 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 344 [2021-06-16 20:30:25,088 WARN L205 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 516 [2021-06-16 20:30:26,112 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 592 DAG size of output: 578 [2021-06-16 20:30:27,417 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 819 DAG size of output: 697 [2021-06-16 20:30:29,119 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 1184 DAG size of output: 905 [2021-06-16 20:30:31,333 WARN L205 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 1312 DAG size of output: 996 [2021-06-16 20:30:34,070 WARN L205 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 1416 DAG size of output: 1170 [2021-06-16 20:30:38,639 WARN L205 SmtUtils]: Spent 4.56 s on a formula simplification. DAG size of input: 1833 DAG size of output: 1517 [2021-06-16 20:30:44,768 WARN L205 SmtUtils]: Spent 6.12 s on a formula simplification. DAG size of input: 2174 DAG size of output: 1614 [2021-06-16 20:30:45,170 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 546 [2021-06-16 20:30:45,365 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 391 [2021-06-16 20:30:45,573 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 417 [2021-06-16 20:30:45,915 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 455 [2021-06-16 20:30:47,543 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 216 [2021-06-16 20:30:47,732 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 246 [2021-06-16 20:30:47,977 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 330 [2021-06-16 20:30:48,381 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 454 [2021-06-16 20:30:48,930 WARN L205 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 572 [2021-06-16 20:30:49,053 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 304 [2021-06-16 20:30:49,225 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 323 [2021-06-16 20:30:50,471 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 162 [2021-06-16 20:30:50,638 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 220 [2021-06-16 20:30:50,854 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 247 [2021-06-16 20:30:51,145 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 336 [2021-06-16 20:30:51,527 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 404 [2021-06-16 20:30:52,149 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 290 [2021-06-16 20:30:52,758 WARN L205 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 847 DAG size of output: 578 [2021-06-16 20:30:54,008 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 933 DAG size of output: 641 [2021-06-16 20:30:55,457 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 960 DAG size of output: 668 [2021-06-16 20:30:57,405 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 1138 DAG size of output: 701 [2021-06-16 20:30:57,651 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 487 [2021-06-16 20:30:57,906 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-06-16 20:30:58,082 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-06-16 20:30:58,261 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 362 [2021-06-16 20:30:59,379 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 219 [2021-06-16 20:30:59,571 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 243 [2021-06-16 20:30:59,828 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 341 [2021-06-16 20:31:00,176 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 403 [2021-06-16 20:31:00,657 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 476 [2021-06-16 20:31:00,833 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-06-16 20:31:01,012 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-06-16 20:31:02,111 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 313 [2021-06-16 20:31:02,289 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 333 [2021-06-16 20:31:02,555 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 401 [2021-06-16 20:31:02,942 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 471 [2021-06-16 20:31:03,919 WARN L205 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 837 DAG size of output: 632 [2021-06-16 20:31:05,214 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1009 DAG size of output: 667 [2021-06-16 20:31:08,497 WARN L205 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 1961 DAG size of output: 1076 [2021-06-16 20:31:18,043 WARN L205 SmtUtils]: Spent 9.54 s on a formula simplification. DAG size of input: 3390 DAG size of output: 2173 [2021-06-16 20:31:29,081 WARN L205 SmtUtils]: Spent 10.65 s on a formula simplification. DAG size of input: 3507 DAG size of output: 2263 [2021-06-16 20:31:41,837 WARN L205 SmtUtils]: Spent 12.74 s on a formula simplification. DAG size of input: 4235 DAG size of output: 2787 [2021-06-16 20:31:54,788 WARN L205 SmtUtils]: Spent 12.93 s on a formula simplification. DAG size of input: 4456 DAG size of output: 2926 [2021-06-16 20:32:07,984 WARN L205 SmtUtils]: Spent 13.17 s on a formula simplification. DAG size of input: 4635 DAG size of output: 3051 [2021-06-16 20:32:23,212 WARN L205 SmtUtils]: Spent 15.21 s on a formula simplification. DAG size of input: 5120 DAG size of output: 3306 [2021-06-16 20:33:26,191 WARN L205 SmtUtils]: Spent 1.05 m on a formula simplification. DAG size of input: 16679 DAG size of output: 11341 [2021-06-16 20:34:35,909 WARN L205 SmtUtils]: Spent 1.16 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 [2021-06-16 20:35:45,836 WARN L205 SmtUtils]: Spent 1.16 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown