/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-13 15:27:13,251 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-13 15:27:13,253 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-13 15:27:13,295 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-13 15:27:13,350 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.epf [2021-06-13 15:27:13,383 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-13 15:27:13,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-13 15:27:13,383 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-13 15:27:13,383 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-13 15:27:13,385 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-13 15:27:13,385 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-13 15:27:13,385 INFO L138 SettingsManager]: * Use SBE=true [2021-06-13 15:27:13,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-13 15:27:13,386 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-13 15:27:13,386 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-13 15:27:13,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-13 15:27:13,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-13 15:27:13,387 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-13 15:27:13,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-13 15:27:13,387 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-13 15:27:13,387 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-13 15:27:13,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-13 15:27:13,387 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-13 15:27:13,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-13 15:27:13,387 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-13 15:27:13,387 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-13 15:27:13,388 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-13 15:27:13,388 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-13 15:27:13,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 15:27:13,388 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-13 15:27:13,388 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-13 15:27:13,388 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-13 15:27:13,388 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-13 15:27:13,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-13 15:27:13,388 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-13 15:27:13,388 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-13 15:27:13,389 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-13 15:27:13,389 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-13 15:27:13,389 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-13 15:27:13,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-13 15:27:13,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-13 15:27:13,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-13 15:27:13,622 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-13 15:27:13,623 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-13 15:27:13,624 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl [2021-06-13 15:27:13,624 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl' [2021-06-13 15:27:13,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-13 15:27:13,643 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-13 15:27:13,644 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-13 15:27:13,644 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-13 15:27:13,644 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-13 15:27:13,658 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 13.06 03:27:13" (1/1) ... [2021-06-13 15:27:13,664 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 13.06 03:27:13" (1/1) ... [2021-06-13 15:27:13,669 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-13 15:27:13,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-13 15:27:13,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-13 15:27:13,670 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-13 15:27:13,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 03:27:13" (1/1) ... [2021-06-13 15:27:13,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 03:27:13" (1/1) ... [2021-06-13 15:27:13,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 03:27:13" (1/1) ... [2021-06-13 15:27:13,676 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 03:27:13" (1/1) ... [2021-06-13 15:27:13,677 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 03:27:13" (1/1) ... [2021-06-13 15:27:13,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 03:27:13" (1/1) ... [2021-06-13 15:27:13,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 03:27:13" (1/1) ... [2021-06-13 15:27:13,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-13 15:27:13,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-13 15:27:13,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-13 15:27:13,680 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-13 15:27:13,685 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 03:27:13" (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 [2021-06-13 15:27:13,725 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-13 15:27:13,725 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-13 15:27:13,725 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-13 15:27:13,725 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-13 15:27:13,725 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-13 15:27:13,725 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-13 15:27:13,725 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-13 15:27:13,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-13 15:27:13,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-13 15:27:13,726 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-13 15:27:13,972 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-13 15:27:13,973 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-13 15:27:13,973 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-13 15:27:13,973 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-13 15:27:13,974 INFO L202 PluginConnector]: Adding new model unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 03:27:13 BoogieIcfgContainer [2021-06-13 15:27:13,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-13 15:27:13,975 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-13 15:27:13,976 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-13 15:27:13,977 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-13 15:27:13,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 03:27:13" (1/2) ... [2021-06-13 15:27:13,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@479c149e and model type unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 03:27:13, skipping insertion in model container [2021-06-13 15:27:13,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 03:27:13" (2/2) ... [2021-06-13 15:27:13,979 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-3.wvr.bpl [2021-06-13 15:27:13,983 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-13 15:27:13,983 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-13 15:27:13,983 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-13 15:27:13,983 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-13 15:27:14,001 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-13 15:27:14,016 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 [2021-06-13 15:27:14,073 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 15:27:14,073 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 15:27:14,073 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 15:27:14,073 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 15:27:14,073 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 15:27:14,073 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 15:27:14,074 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 15:27:14,074 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-13 15:27:14,097 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:27:14,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:27:14,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1034851945, now seen corresponding path program 1 times [2021-06-13 15:27:14,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:27:14,127 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494929722] [2021-06-13 15:27:14,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:27:14,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:27:14,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:27:14,221 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:27:14,221 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494929722] [2021-06-13 15:27:14,221 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494929722] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 15:27:14,222 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 15:27:14,222 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-13 15:27:14,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981204768] [2021-06-13 15:27:14,224 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-13 15:27:14,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 15:27:14,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-13 15:27:14,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-13 15:27:14,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:27:14,234 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 15:27:14,235 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) [2021-06-13 15:27:14,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:27:14,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:27:14,243 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-13 15:27:14,244 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:27:14,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:27:14,244 INFO L82 PathProgramCache]: Analyzing trace with hash -619637623, now seen corresponding path program 1 times [2021-06-13 15:27:14,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:27:14,244 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454342964] [2021-06-13 15:27:14,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:27:14,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:27:14,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:27:14,269 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:27:14,269 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454342964] [2021-06-13 15:27:14,269 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454342964] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:27:14,269 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479784625] [2021-06-13 15:27:14,269 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 [2021-06-13 15:27:14,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:27:14,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-13 15:27:14,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 15:27:14,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:27:14,373 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479784625] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:27:14,373 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 15:27:14,373 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-06-13 15:27:14,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482303968] [2021-06-13 15:27:14,376 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-13 15:27:14,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 15:27:14,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-13 15:27:14,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-13 15:27:14,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:27:14,385 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 15:27:14,385 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) [2021-06-13 15:27:14,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:27:14,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:27:14,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:27:14,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:27:14,628 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 15:27:14,629 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:27:14,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:27:14,629 INFO L82 PathProgramCache]: Analyzing trace with hash -2005825454, now seen corresponding path program 1 times [2021-06-13 15:27:14,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:27:14,630 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685582836] [2021-06-13 15:27:14,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:27:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:27:14,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 15:27:14,660 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:27:14,660 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685582836] [2021-06-13 15:27:14,660 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685582836] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:27:14,660 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546568016] [2021-06-13 15:27:14,660 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 [2021-06-13 15:27:14,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:27:14,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-13 15:27:14,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 15:27:14,749 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 15:27:14,749 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1546568016] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:27:14,750 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 15:27:14,750 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-06-13 15:27:14,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758081693] [2021-06-13 15:27:14,750 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-13 15:27:14,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 15:27:14,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-13 15:27:14,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-13 15:27:14,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:27:14,751 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 15:27:14,751 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) [2021-06-13 15:27:14,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:27:14,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:27:14,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:27:14,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:27:14,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:27:14,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:27:14,973 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 15:27:14,973 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:27:14,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:27:14,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1462566514, now seen corresponding path program 2 times [2021-06-13 15:27:14,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:27:14,974 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435556863] [2021-06-13 15:27:14,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:27:14,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:27:15,004 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 15:27:15,004 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:27:15,004 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435556863] [2021-06-13 15:27:15,004 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435556863] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:27:15,004 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [103850337] [2021-06-13 15:27:15,004 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 [2021-06-13 15:27:15,028 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 15:27:15,029 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 15:27:15,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-13 15:27:15,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 15:27:15,071 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 15:27:15,072 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [103850337] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:27:15,072 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 15:27:15,072 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-06-13 15:27:15,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543178001] [2021-06-13 15:27:15,072 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-13 15:27:15,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 15:27:15,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-13 15:27:15,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-13 15:27:15,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:27:15,073 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 15:27:15,073 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) [2021-06-13 15:27:15,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:27:15,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:27:15,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:27:15,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:27:15,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:27:15,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:27:15,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:27:15,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:27:15,308 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 15:27:15,309 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:27:15,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:27:15,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1608535122, now seen corresponding path program 3 times [2021-06-13 15:27:15,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:27:15,310 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062212305] [2021-06-13 15:27:15,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:27:15,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:27:15,339 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:27:15,339 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:27:15,339 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062212305] [2021-06-13 15:27:15,339 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062212305] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:27:15,339 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1145862504] [2021-06-13 15:27:15,339 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 [2021-06-13 15:27:15,366 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-13 15:27:15,366 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 15:27:15,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-13 15:27:15,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 15:27:15,469 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 15:27:15,470 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 [2021-06-13 15:27:15,497 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 15:27:15,498 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 15:27:15,499 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 15:27:15,499 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-06-13 15:27:15,507 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:27:15,508 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1145862504] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:27:15,508 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 15:27:15,508 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 9 [2021-06-13 15:27:15,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260808279] [2021-06-13 15:27:15,508 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-13 15:27:15,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 15:27:15,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-13 15:27:15,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-06-13 15:27:15,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:27:15,509 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 15:27:15,517 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) [2021-06-13 15:27:15,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:27:15,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:27:15,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:27:15,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:27:15,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:27:15,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:27:15,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:27:15,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:27:15,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:27:15,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:27:15,756 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 15:27:15,757 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:27:15,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:27:15,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1838594674, now seen corresponding path program 4 times [2021-06-13 15:27:15,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:27:15,758 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174272503] [2021-06-13 15:27:15,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:27:15,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:27:15,818 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:27:15,818 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:27:15,819 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174272503] [2021-06-13 15:27:15,819 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174272503] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:27:15,819 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [698533394] [2021-06-13 15:27:15,819 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 [2021-06-13 15:27:15,846 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-13 15:27:15,847 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 15:27:15,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-13 15:27:15,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 15:27:15,925 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:27:15,926 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [698533394] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:27:15,926 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 15:27:15,926 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-06-13 15:27:15,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714553791] [2021-06-13 15:27:15,927 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-13 15:27:15,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 15:27:15,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-13 15:27:15,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-06-13 15:27:15,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:27:15,927 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 15:27:15,927 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) [2021-06-13 15:27:15,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:27:15,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:27:15,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:27:15,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:27:15,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:27:15,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:27:16,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:27:16,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:27:16,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:27:16,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:27:16,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:27:16,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 15:27:16,257 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 15:27:16,257 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:27:16,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:27:16,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1184931721, now seen corresponding path program 5 times [2021-06-13 15:27:16,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:27:16,260 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438593978] [2021-06-13 15:27:16,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:27:16,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:27:16,316 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-13 15:27:16,316 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:27:16,317 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438593978] [2021-06-13 15:27:16,317 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438593978] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:27:16,317 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769680934] [2021-06-13 15:27:16,317 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 [2021-06-13 15:27:16,346 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-13 15:27:16,346 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 15:27:16,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-13 15:27:16,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 15:27:16,405 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-13 15:27:16,405 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [769680934] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:27:16,405 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 15:27:16,405 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-13 15:27:16,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976385012] [2021-06-13 15:27:16,406 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-13 15:27:16,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 15:27:16,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-13 15:27:16,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-06-13 15:27:16,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:27:16,407 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 15:27:16,407 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) [2021-06-13 15:27:16,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:27:16,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:27:16,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:27:16,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:27:16,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:27:16,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 15:27:16,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:27:16,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:27:16,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:27:16,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:27:16,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:27:16,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:27:16,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 15:27:16,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 15:27:16,708 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 15:27:16,709 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:27:16,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:27:16,709 INFO L82 PathProgramCache]: Analyzing trace with hash -749131895, now seen corresponding path program 6 times [2021-06-13 15:27:16,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:27:16,709 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807031646] [2021-06-13 15:27:16,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:27:16,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:27:16,792 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:27:16,792 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:27:16,792 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807031646] [2021-06-13 15:27:16,792 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807031646] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:27:16,794 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [47619473] [2021-06-13 15:27:16,794 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 [2021-06-13 15:27:16,830 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-13 15:27:16,830 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 15:27:16,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-13 15:27:16,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 15:27:16,944 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 15:27:16,945 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [47619473] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:27:16,945 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 15:27:16,945 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 16 [2021-06-13 15:27:16,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538153369] [2021-06-13 15:27:16,945 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-13 15:27:16,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 15:27:16,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-13 15:27:16,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2021-06-13 15:27:16,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:27:16,946 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 15:27:16,946 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) [2021-06-13 15:27:16,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:27:16,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:27:16,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:27:16,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:27:16,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:27:16,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 15:27:16,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 15:27:16,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:27:17,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:27:17,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:27:17,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:27:17,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:27:17,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:27:17,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 15:27:17,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 15:27:17,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 15:27:17,292 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-06-13 15:27:17,293 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:27:17,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:27:17,293 INFO L82 PathProgramCache]: Analyzing trace with hash -1725180590, now seen corresponding path program 7 times [2021-06-13 15:27:17,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:27:17,293 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142810998] [2021-06-13 15:27:17,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:27:17,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:27:17,359 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-13 15:27:17,360 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:27:17,360 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142810998] [2021-06-13 15:27:17,360 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142810998] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:27:17,360 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125364246] [2021-06-13 15:27:17,360 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 [2021-06-13 15:27:17,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:27:17,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-13 15:27:17,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 15:27:17,527 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-13 15:27:17,527 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1125364246] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:27:17,528 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 15:27:17,528 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2021-06-13 15:27:17,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936004031] [2021-06-13 15:27:17,528 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-13 15:27:17,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 15:27:17,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-13 15:27:17,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2021-06-13 15:27:17,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:27:17,529 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 15:27:17,529 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) [2021-06-13 15:27:17,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:27:17,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:27:17,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:27:17,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:27:17,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:27:17,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 15:27:17,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 15:27:17,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-13 15:27:17,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:27:17,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:27:17,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:27:17,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:27:17,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:27:17,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:27:17,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 15:27:17,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 15:27:17,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 15:27:17,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 15:27:17,909 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 15:27:17,909 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:27:17,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:27:17,909 INFO L82 PathProgramCache]: Analyzing trace with hash -1876737230, now seen corresponding path program 8 times [2021-06-13 15:27:17,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:27:17,909 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114511776] [2021-06-13 15:27:17,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:27:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:27:18,006 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:27:18,006 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:27:18,006 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114511776] [2021-06-13 15:27:18,006 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114511776] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:27:18,006 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1832473741] [2021-06-13 15:27:18,006 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 [2021-06-13 15:27:18,033 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 15:27:18,033 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 15:27:18,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-13 15:27:18,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 15:27:18,412 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-06-13 15:27:18,413 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 15:27:18,413 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 [2021-06-13 15:27:19,575 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 288 [2021-06-13 15:27:19,719 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 273 [2021-06-13 15:27:19,845 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 273 [2021-06-13 15:27:20,004 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 286 [2021-06-13 15:27:20,317 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 346 [2021-06-13 15:27:20,512 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 325 [2021-06-13 15:27:22,289 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 315 [2021-06-13 15:27:22,587 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 376 [2021-06-13 15:27:22,852 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 424 [2021-06-13 15:27:23,963 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 227 [2021-06-13 15:27:24,137 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 277 [2021-06-13 15:27:24,378 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 303 [2021-06-13 15:27:24,924 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 848 DAG size of output: 621 [2021-06-13 15:27:25,564 WARN L205 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 859 DAG size of output: 631 [2021-06-13 15:27:26,381 WARN L205 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 958 DAG size of output: 706 [2021-06-13 15:27:27,547 WARN L205 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 1019 DAG size of output: 750 [2021-06-13 15:27:28,608 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1106 DAG size of output: 776 [2021-06-13 15:27:29,655 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 1106 DAG size of output: 776 [2021-06-13 15:27:30,795 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 1112 DAG size of output: 782 [2021-06-13 15:27:32,170 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 784 DAG size of output: 960 [2021-06-13 15:27:33,213 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 737 DAG size of output: 805 [2021-06-13 15:27:34,643 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 282 [2021-06-13 15:27:34,812 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 335 [2021-06-13 15:27:35,055 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 348 [2021-06-13 15:27:35,512 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 726 DAG size of output: 355 [2021-06-13 15:27:36,208 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 441 [2021-06-13 15:27:36,783 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 971 DAG size of output: 480 [2021-06-13 15:27:37,307 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 1114 DAG size of output: 529 [2021-06-13 15:27:37,983 WARN L205 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 1320 DAG size of output: 647 [2021-06-13 15:27:38,654 WARN L205 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 1320 DAG size of output: 647 [2021-06-13 15:27:39,386 WARN L205 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 1324 DAG size of output: 652 [2021-06-13 15:27:40,104 WARN L205 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 675 [2021-06-13 15:27:40,619 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 615 DAG size of output: 517 [2021-06-13 15:27:41,389 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 15:27:41,391 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 15:27:41,391 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 15:27:41,391 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-06-13 15:27:41,396 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:27:41,396 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1832473741] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:27:41,397 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 15:27:41,397 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14] total 23 [2021-06-13 15:27:41,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559166127] [2021-06-13 15:27:41,397 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-13 15:27:41,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 15:27:41,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-13 15:27:41,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=495, Unknown=0, NotChecked=0, Total=552 [2021-06-13 15:27:41,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:27:41,398 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 15:27:41,398 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) [2021-06-13 15:27:41,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:27:41,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:27:41,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:27:41,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:27:41,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:27:41,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 15:27:41,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 15:27:41,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-13 15:27:41,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 15:27:41,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:27:41,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:27:41,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:27:41,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:27:41,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:27:41,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:27:41,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 15:27:41,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 15:27:41,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 15:27:41,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 15:27:41,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 15:27:41,703 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 15:27:41,704 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:27:41,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:27:41,704 INFO L82 PathProgramCache]: Analyzing trace with hash 1384664402, now seen corresponding path program 9 times [2021-06-13 15:27:41,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:27:41,704 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392289007] [2021-06-13 15:27:41,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:27:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:27:41,842 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 55 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:27:41,842 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:27:41,842 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392289007] [2021-06-13 15:27:41,842 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392289007] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:27:41,842 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [686583056] [2021-06-13 15:27:41,842 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 [2021-06-13 15:27:41,871 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-06-13 15:27:41,872 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 15:27:41,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-13 15:27:41,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 15:27:41,929 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 66 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:27:41,930 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [686583056] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:27:41,930 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 15:27:41,930 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 18 [2021-06-13 15:27:41,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574868289] [2021-06-13 15:27:41,930 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-13 15:27:41,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 15:27:41,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-13 15:27:41,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2021-06-13 15:27:41,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:27:41,931 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 15:27:41,931 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) [2021-06-13 15:27:41,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:27:41,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:27:41,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:27:41,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:27:41,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:27:41,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 15:27:41,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 15:27:41,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-13 15:27:41,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 15:27:41,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 15:27:41,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:27:42,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:27:42,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:27:42,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:27:42,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:27:42,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:27:42,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 15:27:42,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 15:27:42,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 15:27:42,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 15:27:42,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 15:27:42,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 15:27:42,320 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1524 [2021-06-13 15:27:42,321 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:27:42,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:27:42,321 INFO L82 PathProgramCache]: Analyzing trace with hash -2004823, now seen corresponding path program 10 times [2021-06-13 15:27:42,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:27:42,321 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512854495] [2021-06-13 15:27:42,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:27:42,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:27:42,420 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:27:42,421 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:27:42,421 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512854495] [2021-06-13 15:27:42,421 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512854495] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:27:42,421 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [189528990] [2021-06-13 15:27:42,421 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 [2021-06-13 15:27:42,449 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-13 15:27:42,449 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 15:27:42,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 39 conjunts are in the unsatisfiable core [2021-06-13 15:27:42,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 15:27:43,097 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-06-13 15:27:43,098 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 15:27:43,098 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 [2021-06-13 15:27:43,909 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 380 [2021-06-13 15:27:44,060 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 383 [2021-06-13 15:27:45,248 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 513 [2021-06-13 15:27:45,494 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 516 [2021-06-13 15:27:45,950 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 757 [2021-06-13 15:27:46,502 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 938 DAG size of output: 782 [2021-06-13 15:27:47,333 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 397 [2021-06-13 15:27:47,512 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 432 [2021-06-13 15:27:47,730 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 439 [2021-06-13 15:27:48,405 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 387 [2021-06-13 15:27:49,031 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 392 [2021-06-13 15:27:49,314 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 687 [2021-06-13 15:27:49,668 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 720 [2021-06-13 15:27:50,104 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 727 [2021-06-13 15:27:50,850 WARN L205 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 1118 DAG size of output: 985 [2021-06-13 15:27:51,710 WARN L205 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 1140 DAG size of output: 1008 [2021-06-13 15:27:53,233 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1924 DAG size of output: 1536 [2021-06-13 15:27:54,286 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 483 [2021-06-13 15:27:54,500 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 486 [2021-06-13 15:27:55,160 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 344 [2021-06-13 15:27:55,288 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 347 [2021-06-13 15:27:55,677 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 711 [2021-06-13 15:27:56,142 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 737 [2021-06-13 15:27:56,901 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 367 [2021-06-13 15:27:57,048 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 402 [2021-06-13 15:27:57,236 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 408 [2021-06-13 15:27:57,798 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 370 [2021-06-13 15:27:58,364 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 363 [2021-06-13 15:27:58,607 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 657 [2021-06-13 15:27:58,915 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 690 [2021-06-13 15:27:59,300 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 696 [2021-06-13 15:27:59,986 WARN L205 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 1082 DAG size of output: 940 [2021-06-13 15:28:00,745 WARN L205 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 964 [2021-06-13 15:28:02,099 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1466 [2021-06-13 15:28:05,411 WARN L205 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 3619 DAG size of output: 2834 [2021-06-13 15:28:09,263 WARN L205 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 3664 DAG size of output: 2879 [2021-06-13 15:28:13,631 WARN L205 SmtUtils]: Spent 4.35 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-06-13 15:28:17,976 WARN L205 SmtUtils]: Spent 4.33 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-06-13 15:28:23,224 WARN L205 SmtUtils]: Spent 5.24 s on a formula simplification. DAG size of input: 3707 DAG size of output: 2922 [2021-06-13 15:28:28,028 WARN L205 SmtUtils]: Spent 4.79 s on a formula simplification. DAG size of input: 2924 DAG size of output: 2915 [2021-06-13 15:28:33,304 WARN L205 SmtUtils]: Spent 5.25 s on a formula simplification. DAG size of input: 2912 DAG size of output: 3217 [2021-06-13 15:28:41,412 WARN L205 SmtUtils]: Spent 8.09 s on a formula simplification. DAG size of input: 2696 DAG size of output: 3553 [2021-06-13 15:28:41,592 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 2516 [2021-06-13 15:28:42,666 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 278 [2021-06-13 15:28:44,566 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 2495 DAG size of output: 2494 [2021-06-13 15:28:51,107 WARN L205 SmtUtils]: Spent 6.53 s on a formula simplification. DAG size of input: 2493 DAG size of output: 3700 [2021-06-13 15:28:51,416 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 2169 DAG size of output: 2169 [2021-06-13 15:28:51,708 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 2126 DAG size of output: 2126 [2021-06-13 15:28:52,688 WARN L205 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 977 [2021-06-13 15:28:52,970 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 339 [2021-06-13 15:28:54,438 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 257 [2021-06-13 15:28:54,670 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 340 [2021-06-13 15:28:54,978 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 396 [2021-06-13 15:28:55,463 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 592 [2021-06-13 15:28:55,576 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 337 [2021-06-13 15:28:56,294 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 185 [2021-06-13 15:28:56,428 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 243 [2021-06-13 15:28:56,764 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 265 [2021-06-13 15:28:57,075 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 425 [2021-06-13 15:28:57,548 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 623 [2021-06-13 15:28:58,586 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 1090 DAG size of output: 844 [2021-06-13 15:28:59,633 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 253 [2021-06-13 15:28:59,853 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 322 [2021-06-13 15:29:00,138 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 350 [2021-06-13 15:29:01,079 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 285 [2021-06-13 15:29:01,321 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 391 [2021-06-13 15:29:01,639 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 449 [2021-06-13 15:29:02,531 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 238 [2021-06-13 15:29:02,732 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 360 [2021-06-13 15:29:02,995 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 396 [2021-06-13 15:29:03,336 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 455 [2021-06-13 15:29:04,078 WARN L205 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 659 [2021-06-13 15:29:05,035 WARN L205 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 710 [2021-06-13 15:29:05,921 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 245 [2021-06-13 15:29:06,091 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 305 [2021-06-13 15:29:06,332 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 409 [2021-06-13 15:29:06,637 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 472 [2021-06-13 15:29:07,683 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 221 [2021-06-13 15:29:07,834 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 275 [2021-06-13 15:29:08,045 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 374 [2021-06-13 15:29:08,323 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 411 [2021-06-13 15:29:08,679 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 475 [2021-06-13 15:29:09,416 WARN L205 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 714 [2021-06-13 15:29:11,274 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 1682 DAG size of output: 1237 [2021-06-13 15:29:14,288 WARN L205 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 2518 DAG size of output: 1697 [2021-06-13 15:29:17,747 WARN L205 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 2537 DAG size of output: 1736 [2021-06-13 15:29:22,285 WARN L205 SmtUtils]: Spent 4.53 s on a formula simplification. DAG size of input: 2890 DAG size of output: 1831 [2021-06-13 15:29:23,419 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 700 DAG size of output: 1050 [2021-06-13 15:29:23,796 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 660 [2021-06-13 15:29:24,394 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 647 DAG size of output: 823 [2021-06-13 15:29:25,412 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 257 [2021-06-13 15:29:25,613 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 285 [2021-06-13 15:29:25,883 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 348 [2021-06-13 15:29:26,274 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 513 [2021-06-13 15:29:26,467 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 429 [2021-06-13 15:29:27,428 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 283 [2021-06-13 15:29:27,622 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 309 [2021-06-13 15:29:28,547 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 270 [2021-06-13 15:29:28,714 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 296 [2021-06-13 15:29:29,100 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 492 [2021-06-13 15:29:29,639 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 624 [2021-06-13 15:29:30,406 WARN L205 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 814 [2021-06-13 15:29:31,637 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 1338 DAG size of output: 1058 [2021-06-13 15:29:33,345 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 1723 DAG size of output: 1396 [2021-06-13 15:29:34,034 WARN L205 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 828 [2021-06-13 15:29:34,638 WARN L205 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 766 [2021-06-13 15:29:35,020 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 639 [2021-06-13 15:29:35,131 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 332 [2021-06-13 15:29:36,802 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 248 [2021-06-13 15:29:36,963 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 212 [2021-06-13 15:29:37,265 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 388 [2021-06-13 15:29:37,885 WARN L205 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 707 [2021-06-13 15:29:38,827 WARN L205 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 1357 DAG size of output: 863 [2021-06-13 15:29:40,200 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1729 DAG size of output: 1197 [2021-06-13 15:29:43,596 WARN L205 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 2363 DAG size of output: 1672 [2021-06-13 15:29:47,505 WARN L205 SmtUtils]: Spent 3.90 s on a formula simplification. DAG size of input: 2424 DAG size of output: 1716 [2021-06-13 15:29:53,165 WARN L205 SmtUtils]: Spent 5.65 s on a formula simplification. DAG size of input: 2831 DAG size of output: 1844 [2021-06-13 15:30:04,364 WARN L205 SmtUtils]: Spent 11.18 s on a formula simplification. DAG size of input: 5382 DAG size of output: 3237 [2021-06-13 15:30:05,650 WARN L205 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 707 DAG size of output: 1000 [2021-06-13 15:30:06,227 WARN L205 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 712 [2021-06-13 15:30:07,029 WARN L205 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 877 [2021-06-13 15:30:07,538 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 729 [2021-06-13 15:30:08,413 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 262 [2021-06-13 15:30:08,629 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 300 [2021-06-13 15:30:08,849 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 374 [2021-06-13 15:30:09,758 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 229 [2021-06-13 15:30:10,619 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 344 [2021-06-13 15:30:11,562 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 334 [2021-06-13 15:30:12,721 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 369 [2021-06-13 15:30:13,162 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 560 [2021-06-13 15:30:13,977 WARN L205 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 902 DAG size of output: 726 [2021-06-13 15:30:14,968 WARN L205 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 962 DAG size of output: 768 [2021-06-13 15:30:16,202 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 1071 DAG size of output: 879 [2021-06-13 15:30:17,509 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 1304 DAG size of output: 904 [2021-06-13 15:30:19,485 WARN L205 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 1744 DAG size of output: 1304 [2021-06-13 15:30:22,117 WARN L205 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 2015 DAG size of output: 1655 [2021-06-13 15:30:22,963 WARN L205 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 879 [2021-06-13 15:30:23,342 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 490 [2021-06-13 15:30:23,637 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 491 [2021-06-13 15:30:24,860 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 260 [2021-06-13 15:30:25,739 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 289 [2021-06-13 15:30:26,061 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 317 [2021-06-13 15:30:26,459 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 433 [2021-06-13 15:30:27,176 WARN L205 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 821 DAG size of output: 666 [2021-06-13 15:30:28,238 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 945 DAG size of output: 803 [2021-06-13 15:30:28,423 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 354 [2021-06-13 15:30:29,108 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 338 [2021-06-13 15:30:29,287 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 377 [2021-06-13 15:30:29,572 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 443 [2021-06-13 15:30:30,847 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 1314 DAG size of output: 1007 [2021-06-13 15:30:32,721 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 1586 DAG size of output: 1355 [2021-06-13 15:30:37,677 WARN L205 SmtUtils]: Spent 4.95 s on a formula simplification. DAG size of input: 2617 DAG size of output: 2064 [2021-06-13 15:30:44,484 WARN L205 SmtUtils]: Spent 6.80 s on a formula simplification. DAG size of input: 2989 DAG size of output: 2220 [2021-06-13 15:30:52,079 WARN L205 SmtUtils]: Spent 7.58 s on a formula simplification. DAG size of input: 3049 DAG size of output: 2305 [2021-06-13 15:30:52,752 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 573 [2021-06-13 15:30:53,469 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 296 [2021-06-13 15:30:53,640 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 358 [2021-06-13 15:30:54,373 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 451 [2021-06-13 15:30:55,343 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 215 [2021-06-13 15:30:55,508 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 254 [2021-06-13 15:30:55,731 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 348 [2021-06-13 15:30:56,036 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 399 [2021-06-13 15:30:56,413 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 425 [2021-06-13 15:30:56,881 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 485 [2021-06-13 15:30:57,444 WARN L205 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 521 [2021-06-13 15:30:58,725 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 328 [2021-06-13 15:30:58,981 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 369 [2021-06-13 15:30:59,315 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 394 [2021-06-13 15:30:59,787 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 433 [2021-06-13 15:31:00,328 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 517 [2021-06-13 15:31:00,986 WARN L205 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 580 [2021-06-13 15:31:02,321 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 978 DAG size of output: 863 [2021-06-13 15:31:03,211 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 202 [2021-06-13 15:31:03,373 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 256 [2021-06-13 15:31:03,633 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 384 [2021-06-13 15:31:03,964 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 442 [2021-06-13 15:31:04,155 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 292 [2021-06-13 15:31:04,811 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 328 [2021-06-13 15:31:05,036 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 391 [2021-06-13 15:31:05,329 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 450 [2021-06-13 15:31:06,042 WARN L205 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 639 [2021-06-13 15:31:07,149 WARN L205 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 800 DAG size of output: 715 [2021-06-13 15:31:09,677 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 1872 DAG size of output: 1482 [2021-06-13 15:31:12,979 WARN L205 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 2070 DAG size of output: 1568 [2021-06-13 15:31:13,121 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 361 [2021-06-13 15:31:13,747 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 344 [2021-06-13 15:31:13,962 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 367 [2021-06-13 15:31:14,562 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 246 [2021-06-13 15:31:14,916 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 486 [2021-06-13 15:31:15,938 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 243 [2021-06-13 15:31:16,082 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 266 [2021-06-13 15:31:16,278 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 324 [2021-06-13 15:31:16,574 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 457 [2021-06-13 15:31:16,982 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 599 [2021-06-13 15:31:17,851 WARN L205 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 817 [2021-06-13 15:31:19,044 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 1006 DAG size of output: 867 [2021-06-13 15:31:20,136 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 318 [2021-06-13 15:31:20,318 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 388 [2021-06-13 15:31:20,551 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 406 [2021-06-13 15:31:20,843 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 422 [2021-06-13 15:31:21,216 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 470 [2021-06-13 15:31:23,001 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 1433 DAG size of output: 1082 [2021-06-13 15:31:28,229 WARN L205 SmtUtils]: Spent 5.22 s on a formula simplification. DAG size of input: 2994 DAG size of output: 2129 [2021-06-13 15:31:34,185 WARN L205 SmtUtils]: Spent 5.94 s on a formula simplification. DAG size of input: 3038 DAG size of output: 2179 [2021-06-13 15:31:48,932 WARN L205 SmtUtils]: Spent 14.73 s on a formula simplification. DAG size of input: 5719 DAG size of output: 3928 [2021-06-13 15:32:17,269 WARN L205 SmtUtils]: Spent 28.31 s on a formula simplification. DAG size of input: 8989 DAG size of output: 5710 [2021-06-13 15:32:18,312 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 329 [2021-06-13 15:32:18,502 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 340 [2021-06-13 15:32:50,246 WARN L205 SmtUtils]: Spent 31.73 s on a formula simplification. DAG size of input: 9287 DAG size of output: 5929 [2021-06-13 15:33:28,067 WARN L205 SmtUtils]: Spent 37.78 s on a formula simplification. DAG size of input: 10982 DAG size of output: 7649 [2021-06-13 15:33:29,151 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 295 [2021-06-13 15:33:29,347 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 410 [2021-06-13 15:33:29,592 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 416 [2021-06-13 15:34:07,885 WARN L205 SmtUtils]: Spent 38.28 s on a formula simplification. DAG size of input: 11394 DAG size of output: 7943 [2021-06-13 15:34:46,978 WARN L205 SmtUtils]: Spent 39.04 s on a formula simplification. DAG size of input: 11649 DAG size of output: 8097 [2021-06-13 15:35:33,617 WARN L205 SmtUtils]: Spent 46.59 s on a formula simplification. DAG size of input: 12976 DAG size of output: 9218 [2021-06-13 15:35:37,197 WARN L205 SmtUtils]: Spent 3.53 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1636 [2021-06-13 15:35:37,357 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 1238 [2021-06-13 15:35:38,824 WARN L205 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 1216 [2021-06-13 15:35:39,477 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 240 [2021-06-13 15:35:42,479 WARN L205 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 1215 DAG size of output: 1779 [2021-06-13 15:35:42,641 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 1093 DAG size of output: 1093 [2021-06-13 15:35:42,789 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1052 DAG size of output: 1052 [2021-06-13 15:35:43,909 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 686 DAG size of output: 991 [2021-06-13 15:35:44,606 WARN L205 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 739 [2021-06-13 15:35:45,561 WARN L205 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 766 [2021-06-13 15:35:46,338 WARN L205 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 791 [2021-06-13 15:35:46,677 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 441 [2021-06-13 15:35:47,383 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2021-06-13 15:35:47,553 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 291 [2021-06-13 15:35:47,932 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 348 [2021-06-13 15:35:48,282 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 453 [2021-06-13 15:35:48,705 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 477 [2021-06-13 15:35:50,264 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 417 [2021-06-13 15:35:50,578 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 435 [2021-06-13 15:35:51,402 WARN L205 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 758 [2021-06-13 15:35:52,461 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 1152 DAG size of output: 843 [2021-06-13 15:35:53,893 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1015 [2021-06-13 15:35:54,803 WARN L205 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 765 [2021-06-13 15:35:55,883 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 675 DAG size of output: 790 [2021-06-13 15:35:56,182 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 428 [2021-06-13 15:35:56,854 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 281 [2021-06-13 15:35:57,065 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 391 [2021-06-13 15:35:57,415 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 464 [2021-06-13 15:35:57,664 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 267 [2021-06-13 15:35:58,304 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2021-06-13 15:35:58,487 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2021-06-13 15:35:59,310 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 265 [2021-06-13 15:35:59,494 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 290 [2021-06-13 15:35:59,903 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 384 [2021-06-13 15:36:00,835 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 261 [2021-06-13 15:36:01,358 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 319 [2021-06-13 15:36:01,655 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 344 [2021-06-13 15:36:02,447 WARN L205 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 516 [2021-06-13 15:36:03,458 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 592 DAG size of output: 578 [2021-06-13 15:36:04,760 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 819 DAG size of output: 697 [2021-06-13 15:36:06,484 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 1184 DAG size of output: 905 [2021-06-13 15:36:08,706 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 1312 DAG size of output: 996 [2021-06-13 15:36:11,444 WARN L205 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 1416 DAG size of output: 1170 [2021-06-13 15:36:16,049 WARN L205 SmtUtils]: Spent 4.60 s on a formula simplification. DAG size of input: 1833 DAG size of output: 1517 [2021-06-13 15:36:22,236 WARN L205 SmtUtils]: Spent 6.18 s on a formula simplification. DAG size of input: 2174 DAG size of output: 1614 [2021-06-13 15:36:22,640 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 546 [2021-06-13 15:36:22,834 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 391 [2021-06-13 15:36:23,042 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 417 [2021-06-13 15:36:23,386 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 455 [2021-06-13 15:36:24,895 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 216 [2021-06-13 15:36:25,070 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 246 [2021-06-13 15:36:25,315 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 330 [2021-06-13 15:36:25,708 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 454 [2021-06-13 15:36:26,245 WARN L205 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 572 [2021-06-13 15:36:26,367 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 304 [2021-06-13 15:36:26,533 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 323 [2021-06-13 15:36:27,755 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 162 [2021-06-13 15:36:27,932 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 220 [2021-06-13 15:36:28,136 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 247 [2021-06-13 15:36:28,430 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 336 [2021-06-13 15:36:28,804 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 404 [2021-06-13 15:36:29,382 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 290 [2021-06-13 15:36:29,982 WARN L205 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 847 DAG size of output: 578 [2021-06-13 15:36:31,248 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 933 DAG size of output: 641 [2021-06-13 15:36:32,703 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 960 DAG size of output: 668 [2021-06-13 15:36:34,649 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 1138 DAG size of output: 701 [2021-06-13 15:36:34,891 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 487 [2021-06-13 15:36:35,141 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-06-13 15:36:35,320 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-06-13 15:36:35,507 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 362 [2021-06-13 15:36:36,658 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 219 [2021-06-13 15:36:36,856 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 243 [2021-06-13 15:36:37,119 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 341 [2021-06-13 15:36:37,470 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 403 [2021-06-13 15:36:37,958 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 476 [2021-06-13 15:36:38,136 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-06-13 15:36:38,317 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-06-13 15:36:39,388 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 313 [2021-06-13 15:36:39,569 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 333 [2021-06-13 15:36:39,832 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 401 [2021-06-13 15:36:40,222 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 471 [2021-06-13 15:36:41,209 WARN L205 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 837 DAG size of output: 632 [2021-06-13 15:36:42,521 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1009 DAG size of output: 667 [2021-06-13 15:36:45,803 WARN L205 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 1961 DAG size of output: 1076 [2021-06-13 15:36:55,369 WARN L205 SmtUtils]: Spent 9.56 s on a formula simplification. DAG size of input: 3390 DAG size of output: 2173 [2021-06-13 15:37:06,477 WARN L205 SmtUtils]: Spent 10.74 s on a formula simplification. DAG size of input: 3507 DAG size of output: 2263 [2021-06-13 15:37:19,414 WARN L205 SmtUtils]: Spent 12.92 s on a formula simplification. DAG size of input: 4235 DAG size of output: 2787 [2021-06-13 15:37:32,632 WARN L205 SmtUtils]: Spent 13.20 s on a formula simplification. DAG size of input: 4456 DAG size of output: 2926 [2021-06-13 15:37:45,961 WARN L205 SmtUtils]: Spent 13.31 s on a formula simplification. DAG size of input: 4635 DAG size of output: 3051 [2021-06-13 15:38:01,143 WARN L205 SmtUtils]: Spent 15.16 s on a formula simplification. DAG size of input: 5120 DAG size of output: 3306 [2021-06-13 15:39:04,654 WARN L205 SmtUtils]: Spent 1.06 m on a formula simplification. DAG size of input: 16679 DAG size of output: 11341 [2021-06-13 15:40:14,668 WARN L205 SmtUtils]: Spent 1.17 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 [2021-06-13 15:41:24,831 WARN L205 SmtUtils]: Spent 1.17 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