/usr/bin/java -Xmx16000000000 -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-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 03:36:10,233 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 03:36:10,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 03:36:10,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 03:36:10,328 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-DelaySleep-NoLbe.epf [2021-06-06 03:36:10,366 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 03:36:10,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 03:36:10,367 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 03:36:10,367 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 03:36:10,369 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 03:36:10,369 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 03:36:10,369 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 03:36:10,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 03:36:10,370 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 03:36:10,370 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 03:36:10,370 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 03:36:10,371 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 03:36:10,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 03:36:10,371 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 03:36:10,371 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 03:36:10,371 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 03:36:10,371 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 03:36:10,371 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 03:36:10,371 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 03:36:10,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 03:36:10,372 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 03:36:10,372 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 03:36:10,372 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 03:36:10,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 03:36:10,372 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 03:36:10,372 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 03:36:10,373 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 03:36:10,373 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 03:36:10,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 03:36:10,373 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 03:36:10,373 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 03:36:10,373 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 03:36:10,373 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 03:36:10,374 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 03:36:10,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 03:36:10,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 03:36:10,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 03:36:10,699 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 03:36:10,700 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 03:36:10,700 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl [2021-06-06 03:36:10,700 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl' [2021-06-06 03:36:10,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 03:36:10,730 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 03:36:10,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 03:36:10,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 03:36:10,731 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 03:36:10,743 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 06.06 03:36:10" (1/1) ... [2021-06-06 03:36:10,748 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 06.06 03:36:10" (1/1) ... [2021-06-06 03:36:10,754 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 03:36:10,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 03:36:10,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 03:36:10,756 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 03:36:10,762 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:36:10" (1/1) ... [2021-06-06 03:36:10,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:36:10" (1/1) ... [2021-06-06 03:36:10,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:36:10" (1/1) ... [2021-06-06 03:36:10,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:36:10" (1/1) ... [2021-06-06 03:36:10,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:36:10" (1/1) ... [2021-06-06 03:36:10,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:36:10" (1/1) ... [2021-06-06 03:36:10,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:36:10" (1/1) ... [2021-06-06 03:36:10,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 03:36:10,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 03:36:10,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 03:36:10,770 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 03:36:10,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:36:10" (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 [2021-06-06 03:36:10,851 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 03:36:10,852 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 03:36:10,852 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 03:36:10,852 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 03:36:10,852 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 03:36:10,852 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 03:36:10,852 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 03:36:10,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 03:36:10,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 03:36:10,853 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 03:36:11,046 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 03:36:11,046 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-06 03:36:11,047 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-06 03:36:11,047 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-06 03:36:11,048 INFO L202 PluginConnector]: Adding new model unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 03:36:11 BoogieIcfgContainer [2021-06-06 03:36:11,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 03:36:11,050 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 03:36:11,050 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 03:36:11,052 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 03:36:11,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:36:10" (1/2) ... [2021-06-06 03:36:11,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f36924f and model type unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 03:36:11, skipping insertion in model container [2021-06-06 03:36:11,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 03:36:11" (2/2) ... [2021-06-06 03:36:11,055 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-3.wvr.bpl [2021-06-06 03:36:11,060 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 03:36:11,060 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 03:36:11,060 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 03:36:11,076 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 03:36:11,110 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-06 03:36:11,156 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 [2021-06-06 03:36:11,222 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 03:36:11,223 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 03:36:11,223 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 03:36:11,223 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 03:36:11,224 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 03:36:11,224 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 03:36:11,224 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 03:36:11,224 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 03:36:11,256 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:36:11,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:36:11,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1034851945, now seen corresponding path program 1 times [2021-06-06 03:36:11,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:36:11,273 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427818517] [2021-06-06 03:36:11,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:36:11,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:36:11,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:36:11,403 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:36:11,403 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427818517] [2021-06-06 03:36:11,403 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427818517] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 03:36:11,404 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 03:36:11,404 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-06 03:36:11,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910956052] [2021-06-06 03:36:11,408 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 03:36:11,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:36:11,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 03:36:11,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 03:36:11,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:11,421 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:36:11,422 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) [2021-06-06 03:36:11,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:11,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:11,434 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 03:36:11,434 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:36:11,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:36:11,435 INFO L82 PathProgramCache]: Analyzing trace with hash -619637623, now seen corresponding path program 1 times [2021-06-06 03:36:11,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:36:11,435 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175192701] [2021-06-06 03:36:11,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:36:11,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:36:11,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:36:11,483 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:36:11,483 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175192701] [2021-06-06 03:36:11,484 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175192701] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:11,484 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1732206781] [2021-06-06 03:36:11,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-06-06 03:36:11,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:36:11,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-06 03:36:11,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:36:11,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:36:11,654 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1732206781] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:11,654 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:36:11,655 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-06-06 03:36:11,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997531774] [2021-06-06 03:36:11,657 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-06 03:36:11,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:36:11,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-06 03:36:11,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-06 03:36:11,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:11,660 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:36:11,661 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) [2021-06-06 03:36:11,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:11,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:11,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:11,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:11,934 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:36:11,935 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:36:11,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:36:11,935 INFO L82 PathProgramCache]: Analyzing trace with hash -2005825454, now seen corresponding path program 1 times [2021-06-06 03:36:11,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:36:11,936 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971180558] [2021-06-06 03:36:11,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:36:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:36:12,001 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 03:36:12,001 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:36:12,001 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971180558] [2021-06-06 03:36:12,002 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971180558] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:12,002 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309663931] [2021-06-06 03:36:12,002 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 [2021-06-06 03:36:12,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:36:12,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-06 03:36:12,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:36:12,092 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 03:36:12,092 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [309663931] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:12,092 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:36:12,092 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-06-06 03:36:12,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675896626] [2021-06-06 03:36:12,093 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 03:36:12,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:36:12,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 03:36:12,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 03:36:12,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:12,094 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:36:12,094 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) [2021-06-06 03:36:12,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:12,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:12,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:12,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:12,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:12,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:12,332 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:36:12,333 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:36:12,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:36:12,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1462566514, now seen corresponding path program 2 times [2021-06-06 03:36:12,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:36:12,334 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422029695] [2021-06-06 03:36:12,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:36:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:36:12,407 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 03:36:12,407 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:36:12,408 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422029695] [2021-06-06 03:36:12,408 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422029695] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:12,408 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289678592] [2021-06-06 03:36:12,408 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 [2021-06-06 03:36:12,442 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 03:36:12,442 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:36:12,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-06 03:36:12,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:36:12,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 03:36:12,535 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1289678592] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:12,536 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:36:12,536 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-06-06 03:36:12,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769612445] [2021-06-06 03:36:12,536 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 03:36:12,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:36:12,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 03:36:12,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-06 03:36:12,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:12,538 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:36:12,538 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) [2021-06-06 03:36:12,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:12,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:12,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:12,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:12,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:12,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:12,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:12,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:36:12,776 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:36:12,777 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:36:12,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:36:12,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1608535122, now seen corresponding path program 3 times [2021-06-06 03:36:12,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:36:12,778 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757869515] [2021-06-06 03:36:12,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:36:12,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:36:12,827 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:36:12,828 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:36:12,828 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757869515] [2021-06-06 03:36:12,828 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757869515] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:12,828 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584322986] [2021-06-06 03:36:12,828 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 [2021-06-06 03:36:12,864 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-06 03:36:12,864 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:36:12,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-06 03:36:12,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:36:12,993 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 03:36:12,993 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 [2021-06-06 03:36:13,021 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 03:36:13,023 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 03:36:13,023 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 03:36:13,024 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-06-06 03:36:13,035 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:36:13,036 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1584322986] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:13,036 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:36:13,036 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 9 [2021-06-06 03:36:13,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644826375] [2021-06-06 03:36:13,037 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-06 03:36:13,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:36:13,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-06 03:36:13,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-06-06 03:36:13,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:13,038 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:36:13,039 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) [2021-06-06 03:36:13,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:13,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:13,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:13,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:36:13,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:13,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:13,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:13,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:13,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:36:13,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:36:13,292 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:36:13,293 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:36:13,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:36:13,293 INFO L82 PathProgramCache]: Analyzing trace with hash 1838594674, now seen corresponding path program 4 times [2021-06-06 03:36:13,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:36:13,293 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519496828] [2021-06-06 03:36:13,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:36:13,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:36:13,340 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:36:13,340 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:36:13,340 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519496828] [2021-06-06 03:36:13,340 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519496828] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:13,341 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1729267177] [2021-06-06 03:36:13,341 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 [2021-06-06 03:36:13,368 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 03:36:13,369 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:36:13,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 03:36:13,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:36:13,415 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:36:13,416 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1729267177] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:13,416 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:36:13,416 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-06-06 03:36:13,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395963129] [2021-06-06 03:36:13,416 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-06 03:36:13,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:36:13,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-06 03:36:13,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-06-06 03:36:13,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:13,417 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:36:13,417 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) [2021-06-06 03:36:13,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:13,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:13,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:13,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:36:13,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:36:13,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:13,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:13,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:13,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:13,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:36:13,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:36:13,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:36:13,708 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:36:13,709 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:36:13,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:36:13,709 INFO L82 PathProgramCache]: Analyzing trace with hash 1184931721, now seen corresponding path program 5 times [2021-06-06 03:36:13,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:36:13,710 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774269078] [2021-06-06 03:36:13,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:36:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:36:13,765 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-06 03:36:13,766 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:36:13,766 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774269078] [2021-06-06 03:36:13,766 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774269078] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:13,766 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [64110210] [2021-06-06 03:36:13,766 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 [2021-06-06 03:36:13,805 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-06 03:36:13,806 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:36:13,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-06 03:36:13,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:36:13,873 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-06 03:36:13,874 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [64110210] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:13,874 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:36:13,874 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-06 03:36:13,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035813879] [2021-06-06 03:36:13,875 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 03:36:13,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:36:13,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 03:36:13,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-06-06 03:36:13,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:13,882 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:36:13,882 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) [2021-06-06 03:36:13,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:13,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:13,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:13,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:36:13,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:36:13,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:36:13,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:13,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:13,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:13,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:13,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:36:13,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:36:13,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:36:13,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:36:14,200 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:36:14,201 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:36:14,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:36:14,202 INFO L82 PathProgramCache]: Analyzing trace with hash -2129828983, now seen corresponding path program 6 times [2021-06-06 03:36:14,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:36:14,202 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117540062] [2021-06-06 03:36:14,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:36:14,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:36:14,264 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:36:14,264 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:36:14,264 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117540062] [2021-06-06 03:36:14,264 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117540062] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:14,264 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [183776725] [2021-06-06 03:36:14,264 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 [2021-06-06 03:36:14,295 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-06 03:36:14,295 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:36:14,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-06 03:36:14,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:36:14,532 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 03:36:14,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 31 treesize of output 142 [2021-06-06 03:36:14,987 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 03:36:14,989 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 03:36:14,989 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 03:36:14,990 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-06-06 03:36:14,998 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:36:14,998 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [183776725] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:14,998 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:36:14,998 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 16 [2021-06-06 03:36:14,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33864005] [2021-06-06 03:36:14,999 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 03:36:14,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:36:15,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 03:36:15,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-06-06 03:36:15,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:15,000 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:36:15,001 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) [2021-06-06 03:36:15,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:15,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:15,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:15,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:36:15,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:36:15,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:36:15,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:36:15,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:15,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:15,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:15,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:15,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:36:15,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:36:15,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:36:15,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:36:15,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 03:36:15,272 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-06-06 03:36:15,273 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:36:15,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:36:15,273 INFO L82 PathProgramCache]: Analyzing trace with hash -749131895, now seen corresponding path program 7 times [2021-06-06 03:36:15,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:36:15,274 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014491813] [2021-06-06 03:36:15,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:36:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:36:15,372 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:36:15,372 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:36:15,372 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014491813] [2021-06-06 03:36:15,372 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014491813] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:15,372 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119111703] [2021-06-06 03:36:15,372 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 [2021-06-06 03:36:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:36:15,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-06 03:36:15,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:36:15,483 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:36:15,483 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1119111703] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:15,484 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:36:15,484 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2021-06-06 03:36:15,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419044596] [2021-06-06 03:36:15,486 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-06 03:36:15,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:36:15,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-06 03:36:15,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2021-06-06 03:36:15,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:15,487 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:36:15,487 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 03:36:15,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:15,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:15,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:15,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:36:15,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:36:15,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:36:15,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:36:15,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 03:36:15,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:15,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:15,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:15,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:15,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:36:15,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:36:15,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:36:15,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:36:15,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 03:36:15,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 03:36:15,857 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:36:15,857 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:36:15,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:36:15,857 INFO L82 PathProgramCache]: Analyzing trace with hash -1725180590, now seen corresponding path program 8 times [2021-06-06 03:36:15,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:36:15,857 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544065243] [2021-06-06 03:36:15,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:36:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:36:15,995 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-06 03:36:15,996 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:36:15,996 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544065243] [2021-06-06 03:36:15,996 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544065243] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:15,996 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708995606] [2021-06-06 03:36:15,996 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 [2021-06-06 03:36:16,036 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 03:36:16,036 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:36:16,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-06 03:36:16,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:36:16,170 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-06 03:36:16,170 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1708995606] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:16,171 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:36:16,171 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2021-06-06 03:36:16,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504448726] [2021-06-06 03:36:16,172 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-06 03:36:16,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:36:16,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-06 03:36:16,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2021-06-06 03:36:16,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:16,173 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:36:16,173 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) [2021-06-06 03:36:16,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:16,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:16,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:16,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:36:16,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:36:16,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:36:16,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:36:16,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 03:36:16,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 03:36:16,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:16,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:16,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:16,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:16,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:36:16,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:36:16,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:36:16,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:36:16,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 03:36:16,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 03:36:16,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 03:36:16,576 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:36:16,577 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:36:16,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:36:16,577 INFO L82 PathProgramCache]: Analyzing trace with hash -1876737230, now seen corresponding path program 9 times [2021-06-06 03:36:16,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:36:16,578 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581760482] [2021-06-06 03:36:16,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:36:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:36:16,679 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:36:16,679 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:36:16,679 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581760482] [2021-06-06 03:36:16,680 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581760482] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:16,680 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607881168] [2021-06-06 03:36:16,680 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 [2021-06-06 03:36:16,721 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-06 03:36:16,721 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:36:16,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-06 03:36:16,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:36:17,191 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-06-06 03:36:17,192 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 03:36:17,192 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 [2021-06-06 03:36:18,219 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 278 [2021-06-06 03:36:18,390 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 285 [2021-06-06 03:36:18,527 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 285 [2021-06-06 03:36:18,700 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 295 [2021-06-06 03:36:18,823 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 264 [2021-06-06 03:36:18,933 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 283 [2021-06-06 03:36:19,161 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 279 [2021-06-06 03:36:19,310 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 244 [2021-06-06 03:36:19,945 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 234 [2021-06-06 03:36:20,150 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 241 [2021-06-06 03:36:20,305 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 293 [2021-06-06 03:36:21,650 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 241 [2021-06-06 03:36:21,809 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 273 [2021-06-06 03:36:21,967 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 273 [2021-06-06 03:36:22,123 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 279 [2021-06-06 03:36:22,307 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 270 [2021-06-06 03:36:23,440 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 481 DAG size of output: 268 [2021-06-06 03:36:23,580 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 276 [2021-06-06 03:36:23,706 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 276 [2021-06-06 03:36:23,842 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 495 DAG size of output: 280 [2021-06-06 03:36:24,305 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 03:36:24,307 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 03:36:24,308 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 03:36:24,308 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-06-06 03:36:24,314 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:36:24,314 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [607881168] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:24,314 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:36:24,314 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14] total 23 [2021-06-06 03:36:24,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483881800] [2021-06-06 03:36:24,315 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-06 03:36:24,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:36:24,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-06 03:36:24,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=495, Unknown=0, NotChecked=0, Total=552 [2021-06-06 03:36:24,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:24,316 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:36:24,316 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) [2021-06-06 03:36:24,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:24,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:24,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:24,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:36:24,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:36:24,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:36:24,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:36:24,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 03:36:24,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 03:36:24,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 03:36:24,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:24,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:24,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:24,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:24,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:36:24,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:36:24,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:36:24,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:36:24,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 03:36:24,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 03:36:24,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 03:36:24,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:36:24,629 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2021-06-06 03:36:24,630 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:36:24,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:36:24,630 INFO L82 PathProgramCache]: Analyzing trace with hash 1384664402, now seen corresponding path program 10 times [2021-06-06 03:36:24,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:36:24,630 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717825747] [2021-06-06 03:36:24,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:36:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:36:24,800 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 55 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:36:24,800 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:36:24,800 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717825747] [2021-06-06 03:36:24,800 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717825747] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:24,800 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417010445] [2021-06-06 03:36:24,801 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 [2021-06-06 03:36:24,833 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 03:36:24,833 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:36:24,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-06 03:36:24,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:36:24,910 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 66 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:36:24,910 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417010445] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:24,910 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:36:24,910 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 18 [2021-06-06 03:36:24,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403307423] [2021-06-06 03:36:24,911 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-06 03:36:24,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:36:24,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-06 03:36:24,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2021-06-06 03:36:24,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:24,911 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:36:24,912 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) [2021-06-06 03:36:24,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:24,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:24,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:24,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:36:24,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:36:24,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:36:24,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:36:24,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 03:36:24,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 03:36:24,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 03:36:24,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:36:24,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:25,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:25,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:25,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:25,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:36:25,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:36:25,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:36:25,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:36:25,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 03:36:25,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 03:36:25,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 03:36:25,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:36:25,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 03:36:25,368 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable687,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:36:25,369 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:36:25,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:36:25,369 INFO L82 PathProgramCache]: Analyzing trace with hash -2004823, now seen corresponding path program 11 times [2021-06-06 03:36:25,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:36:25,369 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858101587] [2021-06-06 03:36:25,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:36:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:36:25,508 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:36:25,509 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:36:25,509 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858101587] [2021-06-06 03:36:25,509 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858101587] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:25,509 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1348152555] [2021-06-06 03:36:25,509 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:36:25,543 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-06-06 03:36:25,543 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:36:25,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 39 conjunts are in the unsatisfiable core [2021-06-06 03:36:25,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:36:26,244 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-06-06 03:36:26,244 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 03:36:26,244 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 [2021-06-06 03:36:27,666 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 553 DAG size of output: 343 [2021-06-06 03:36:27,852 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 582 DAG size of output: 372 [2021-06-06 03:36:29,009 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 337 [2021-06-06 03:36:29,180 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 364 [2021-06-06 03:36:29,569 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 1033 DAG size of output: 619 [2021-06-06 03:36:30,043 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 1043 DAG size of output: 624 [2021-06-06 03:36:31,149 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 317 [2021-06-06 03:36:31,330 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 529 DAG size of output: 527 [2021-06-06 03:36:32,299 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 314 [2021-06-06 03:36:32,698 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 945 DAG size of output: 745 [2021-06-06 03:36:33,121 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 969 DAG size of output: 769 [2021-06-06 03:36:34,119 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 519 DAG size of output: 322 [2021-06-06 03:36:35,437 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 534 [2021-06-06 03:36:35,810 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 752 [2021-06-06 03:36:36,265 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 980 DAG size of output: 778 [2021-06-06 03:36:37,301 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 1815 DAG size of output: 1411 [2021-06-06 03:36:38,477 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 1825 DAG size of output: 1419 [2021-06-06 03:36:40,463 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 2733 DAG size of output: 1906 [2021-06-06 03:36:42,729 WARN L205 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 2763 DAG size of output: 1936 [2021-06-06 03:36:45,290 WARN L205 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 2790 DAG size of output: 1963 [2021-06-06 03:36:48,238 WARN L205 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 2801 DAG size of output: 1974 [2021-06-06 03:36:51,574 WARN L205 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 2827 DAG size of output: 1998 [2021-06-06 03:36:55,080 WARN L205 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 2827 DAG size of output: 1998 [2021-06-06 03:36:58,818 WARN L205 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 2840 DAG size of output: 2011 [2021-06-06 03:36:59,889 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 2013 DAG size of output: 2150 [2021-06-06 03:37:02,844 WARN L205 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 2008 DAG size of output: 2005 [2021-06-06 03:37:04,911 WARN L205 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 2002 DAG size of output: 2347 [2021-06-06 03:37:09,279 WARN L205 SmtUtils]: Spent 4.35 s on a formula simplification. DAG size of input: 1999 DAG size of output: 2441 [2021-06-06 03:37:10,645 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1995 DAG size of output: 2001 [2021-06-06 03:37:13,606 WARN L205 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 1992 DAG size of output: 2011 [2021-06-06 03:37:13,887 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 1989 DAG size of output: 1989 [2021-06-06 03:37:14,016 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 1984 [2021-06-06 03:37:14,271 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 1962 DAG size of output: 1962 [2021-06-06 03:37:17,463 WARN L205 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 1953 DAG size of output: 2305 [2021-06-06 03:37:17,588 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 1076 DAG size of output: 1076 [2021-06-06 03:37:17,719 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 1053 DAG size of output: 1053 [2021-06-06 03:37:17,919 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 1031 DAG size of output: 1031 [2021-06-06 03:37:20,110 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 1409 DAG size of output: 575 [2021-06-06 03:37:20,592 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 1420 DAG size of output: 584 [2021-06-06 03:37:21,636 WARN L205 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 1603 DAG size of output: 662 [2021-06-06 03:37:22,251 WARN L205 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 1620 DAG size of output: 679 [2021-06-06 03:37:22,990 WARN L205 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 1680 DAG size of output: 746 [2021-06-06 03:37:23,890 WARN L205 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 1709 DAG size of output: 769 [2021-06-06 03:37:25,660 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 2355 DAG size of output: 1207 [2021-06-06 03:37:27,964 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 2852 DAG size of output: 1424 [2021-06-06 03:37:30,599 WARN L205 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 2858 DAG size of output: 1428 [2021-06-06 03:37:33,867 WARN L205 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 3044 DAG size of output: 1578 [2021-06-06 03:37:37,267 WARN L205 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 3044 DAG size of output: 1578 [2021-06-06 03:37:41,109 WARN L205 SmtUtils]: Spent 3.83 s on a formula simplification. DAG size of input: 3055 DAG size of output: 1590 [2021-06-06 03:37:41,246 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 1583 [2021-06-06 03:37:44,229 WARN L205 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 1585 DAG size of output: 1658 [2021-06-06 03:37:47,181 WARN L205 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 1565 DAG size of output: 1614 [2021-06-06 03:37:47,597 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 1531 DAG size of output: 1526 [2021-06-06 03:37:49,863 WARN L205 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 1390 DAG size of output: 1324 [2021-06-06 03:37:51,999 WARN L205 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 1321 DAG size of output: 1007 [2021-06-06 03:37:52,329 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 269 [2021-06-06 03:37:53,283 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 234 [2021-06-06 03:37:53,503 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 377 [2021-06-06 03:37:53,707 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 400 [2021-06-06 03:37:53,886 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 327 [2021-06-06 03:37:54,479 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 581 DAG size of output: 288 [2021-06-06 03:37:55,236 WARN L205 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 1111 DAG size of output: 701 [2021-06-06 03:37:56,115 WARN L205 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 1123 DAG size of output: 715 [2021-06-06 03:37:56,811 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 232 [2021-06-06 03:37:56,984 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 273 [2021-06-06 03:37:57,216 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 240 [2021-06-06 03:37:57,577 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 216 [2021-06-06 03:37:58,029 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 234 [2021-06-06 03:37:58,195 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 237 [2021-06-06 03:37:58,419 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-06-06 03:37:58,796 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 398 [2021-06-06 03:37:59,157 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 398 [2021-06-06 03:37:59,689 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 694 DAG size of output: 545 [2021-06-06 03:38:01,189 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 1691 DAG size of output: 1148 [2021-06-06 03:38:03,070 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 1798 DAG size of output: 1244 [2021-06-06 03:38:05,388 WARN L205 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 1926 DAG size of output: 1352 [2021-06-06 03:38:07,823 WARN L205 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 1926 DAG size of output: 1352 [2021-06-06 03:38:11,528 WARN L205 SmtUtils]: Spent 3.69 s on a formula simplification. DAG size of input: 1937 DAG size of output: 1305 [2021-06-06 03:38:12,935 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1223 DAG size of output: 1120 [2021-06-06 03:38:14,638 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 1012 DAG size of output: 906 [2021-06-06 03:38:15,269 WARN L205 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 899 DAG size of output: 860 [2021-06-06 03:38:16,471 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 763 DAG size of output: 845 [2021-06-06 03:38:17,257 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 253 [2021-06-06 03:38:17,494 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 250 [2021-06-06 03:38:17,838 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2021-06-06 03:38:17,972 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 172 [2021-06-06 03:38:18,756 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 284 [2021-06-06 03:38:18,995 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 649 DAG size of output: 328 [2021-06-06 03:38:19,104 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 227 [2021-06-06 03:38:19,782 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 164 [2021-06-06 03:38:19,987 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 282 [2021-06-06 03:38:20,535 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 858 DAG size of output: 535 [2021-06-06 03:38:21,205 WARN L205 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 866 DAG size of output: 542 [2021-06-06 03:38:21,370 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 279 [2021-06-06 03:38:22,984 WARN L205 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 1020 DAG size of output: 630 [2021-06-06 03:38:24,178 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 1153 DAG size of output: 730 [2021-06-06 03:38:25,388 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 1153 DAG size of output: 730 [2021-06-06 03:38:26,718 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1155 DAG size of output: 732 [2021-06-06 03:38:28,038 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 729 DAG size of output: 729 [2021-06-06 03:38:28,404 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 439 DAG size of output: 292 [2021-06-06 03:38:28,516 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 186 [2021-06-06 03:38:29,256 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 420 [2021-06-06 03:38:29,422 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 258 [2021-06-06 03:38:29,529 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 233 [2021-06-06 03:38:30,734 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 593 DAG size of output: 281 [2021-06-06 03:38:30,898 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 593 DAG size of output: 281 [2021-06-06 03:38:31,230 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 598 DAG size of output: 346 [2021-06-06 03:38:31,609 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 225 [2021-06-06 03:38:32,261 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 198 [2021-06-06 03:38:32,454 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 286 [2021-06-06 03:38:32,646 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 286 [2021-06-06 03:38:32,871 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 292 [2021-06-06 03:38:33,109 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 334 [2021-06-06 03:38:33,318 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 343 [2021-06-06 03:38:33,517 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 318 [2021-06-06 03:38:33,647 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 266 [2021-06-06 03:38:33,769 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 249 [2021-06-06 03:38:34,177 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 239 [2021-06-06 03:38:34,289 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 239 [2021-06-06 03:38:34,401 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 239 [2021-06-06 03:38:34,511 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 257 [2021-06-06 03:38:34,698 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 03:38:34,705 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 03:38:34,705 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 03:38:34,706 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:3 [2021-06-06 03:38:34,711 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:38:34,711 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1348152555] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:38:34,711 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:38:34,711 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 18] total 30 [2021-06-06 03:38:34,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719271149] [2021-06-06 03:38:34,711 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-06 03:38:34,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:38:34,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-06 03:38:34,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=855, Unknown=0, NotChecked=0, Total=930 [2021-06-06 03:38:34,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:38:34,712 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:38:34,713 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 30 states have internal predecessors, (45), 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) [2021-06-06 03:38:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:38:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:38:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:38:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:38:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:38:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:38:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:38:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 03:38:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 03:38:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 03:38:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:38:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 03:38:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:38:34,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:38:34,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:38:34,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:38:34,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:38:34,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:38:34,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:38:34,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:38:34,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 03:38:34,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 03:38:34,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 03:38:34,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:38:34,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 03:38:34,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 03:38:35,053 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable688 [2021-06-06 03:38:35,053 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:38:35,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:38:35,053 INFO L82 PathProgramCache]: Analyzing trace with hash -1770757431, now seen corresponding path program 12 times [2021-06-06 03:38:35,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:38:35,053 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038753308] [2021-06-06 03:38:35,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:38:35,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:38:35,253 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 91 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:38:35,253 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:38:35,253 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038753308] [2021-06-06 03:38:35,254 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038753308] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:38:35,254 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1886770362] [2021-06-06 03:38:35,254 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:38:35,296 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-06-06 03:38:35,297 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:38:35,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-06 03:38:35,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:38:35,363 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 105 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:38:35,364 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1886770362] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:38:35,364 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:38:35,364 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 22 [2021-06-06 03:38:35,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216361316] [2021-06-06 03:38:35,364 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-06 03:38:35,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:38:35,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-06 03:38:35,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=347, Unknown=0, NotChecked=0, Total=506 [2021-06-06 03:38:35,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:38:35,365 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:38:35,365 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 22 states have internal predecessors, (31), 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) [2021-06-06 03:38:35,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:38:35,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:38:35,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:38:35,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:38:35,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:38:35,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:38:35,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:38:35,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 03:38:35,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 03:38:35,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 03:38:35,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:38:35,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 03:38:35,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 03:38:35,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:38:35,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:38:35,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:38:35,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:38:35,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:38:35,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:38:35,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:38:35,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:38:35,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 03:38:35,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 03:38:35,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 03:38:35,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:38:35,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 03:38:35,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 03:38:35,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 03:38:35,833 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3716,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:38:35,834 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:38:35,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:38:35,834 INFO L82 PathProgramCache]: Analyzing trace with hash 964166162, now seen corresponding path program 13 times [2021-06-06 03:38:35,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:38:35,834 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774329862] [2021-06-06 03:38:35,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:38:35,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:38:35,995 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:38:35,995 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:38:35,995 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774329862] [2021-06-06 03:38:35,995 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774329862] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:38:35,995 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1580161438] [2021-06-06 03:38:35,995 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:38:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:38:36,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 47 conjunts are in the unsatisfiable core [2021-06-06 03:38:36,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:38:37,289 WARN L205 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 451 [2021-06-06 03:38:37,289 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 03:38:37,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 29 new quantified variables, introduced 105 case distinctions, treesize of input 67 treesize of output 889 [2021-06-06 03:38:38,987 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 253 [2021-06-06 03:38:39,159 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 301 [2021-06-06 03:38:39,374 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 336 [2021-06-06 03:38:40,849 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 245 [2021-06-06 03:38:41,056 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 298 [2021-06-06 03:38:41,267 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 331 [2021-06-06 03:38:41,741 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 469 [2021-06-06 03:38:42,686 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 292 [2021-06-06 03:38:43,696 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 369 [2021-06-06 03:38:43,991 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 443 DAG size of output: 397 [2021-06-06 03:38:45,711 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 301 [2021-06-06 03:38:45,963 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 371 [2021-06-06 03:38:46,271 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 401 [2021-06-06 03:38:46,920 WARN L205 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 573 [2021-06-06 03:38:48,200 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1029 DAG size of output: 813 [2021-06-06 03:38:49,716 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1064 DAG size of output: 848 [2021-06-06 03:38:51,374 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 312 [2021-06-06 03:38:51,605 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 345 [2021-06-06 03:38:53,254 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 309 [2021-06-06 03:38:53,530 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 393 [2021-06-06 03:38:53,862 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 421 [2021-06-06 03:38:54,493 WARN L205 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 554 [2021-06-06 03:38:55,849 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 297 [2021-06-06 03:38:56,067 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 363 [2021-06-06 03:38:56,325 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 426 DAG size of output: 407 [2021-06-06 03:38:57,795 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 278 [2021-06-06 03:38:58,020 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 344 [2021-06-06 03:38:58,284 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 426 DAG size of output: 388 [2021-06-06 03:38:58,904 WARN L205 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 628 DAG size of output: 563 [2021-06-06 03:39:00,352 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1039 DAG size of output: 880 [2021-06-06 03:39:03,528 WARN L205 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 1848 DAG size of output: 1480 [2021-06-06 03:39:07,239 WARN L205 SmtUtils]: Spent 3.70 s on a formula simplification. DAG size of input: 1883 DAG size of output: 1513 [2021-06-06 03:39:11,494 WARN L205 SmtUtils]: Spent 4.24 s on a formula simplification. DAG size of input: 1917 DAG size of output: 1547 [2021-06-06 03:39:12,896 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 312 [2021-06-06 03:39:13,097 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 341 [2021-06-06 03:39:14,381 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 266 [2021-06-06 03:39:14,735 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 421 [2021-06-06 03:39:15,949 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 300 [2021-06-06 03:39:16,107 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 346 [2021-06-06 03:39:17,327 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 264 [2021-06-06 03:39:17,468 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 310 [2021-06-06 03:39:17,818 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 444 [2021-06-06 03:39:18,623 WARN L205 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 753 DAG size of output: 651 [2021-06-06 03:39:19,919 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 256 [2021-06-06 03:39:21,173 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 251 [2021-06-06 03:39:21,420 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 337 [2021-06-06 03:39:22,788 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 291 [2021-06-06 03:39:22,956 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 322 [2021-06-06 03:39:24,274 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 286 [2021-06-06 03:39:24,440 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 315 [2021-06-06 03:39:24,820 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 439 [2021-06-06 03:39:25,530 WARN L205 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 725 DAG size of output: 571 [2021-06-06 03:39:26,372 WARN L205 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 609 [2021-06-06 03:39:28,089 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 1284 DAG size of output: 971 [2021-06-06 03:39:30,149 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 1320 DAG size of output: 1005 [2021-06-06 03:39:32,499 WARN L205 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 1357 DAG size of output: 1042 [2021-06-06 03:39:39,880 WARN L205 SmtUtils]: Spent 7.37 s on a formula simplification. DAG size of input: 2959 DAG size of output: 2238 [2021-06-06 03:39:48,404 WARN L205 SmtUtils]: Spent 8.51 s on a formula simplification. DAG size of input: 2993 DAG size of output: 2270 [2021-06-06 03:39:57,742 WARN L205 SmtUtils]: Spent 9.32 s on a formula simplification. DAG size of input: 3024 DAG size of output: 2299 [2021-06-06 03:40:09,308 WARN L205 SmtUtils]: Spent 11.55 s on a formula simplification. DAG size of input: 3054 DAG size of output: 2327 [2021-06-06 03:40:21,047 WARN L205 SmtUtils]: Spent 11.72 s on a formula simplification. DAG size of input: 3054 DAG size of output: 2327 [2021-06-06 03:40:34,092 WARN L205 SmtUtils]: Spent 13.03 s on a formula simplification. DAG size of input: 3079 DAG size of output: 2352 [2021-06-06 03:40:47,079 WARN L205 SmtUtils]: Spent 12.97 s on a formula simplification. DAG size of input: 2354 DAG size of output: 2363 [2021-06-06 03:41:21,934 WARN L205 SmtUtils]: Spent 34.83 s on a formula simplification. DAG size of input: 2345 DAG size of output: 3486 [2021-06-06 03:41:39,862 WARN L205 SmtUtils]: Spent 17.90 s on a formula simplification. DAG size of input: 2122 DAG size of output: 3082 [2021-06-06 03:41:59,622 WARN L205 SmtUtils]: Spent 19.73 s on a formula simplification. DAG size of input: 2118 DAG size of output: 3300 [2021-06-06 03:42:16,990 WARN L205 SmtUtils]: Spent 17.35 s on a formula simplification. DAG size of input: 2112 DAG size of output: 2949 [2021-06-06 03:42:17,339 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 2104 [2021-06-06 03:42:43,845 WARN L205 SmtUtils]: Spent 26.49 s on a formula simplification. DAG size of input: 2076 DAG size of output: 2858 [2021-06-06 03:43:00,104 WARN L205 SmtUtils]: Spent 16.24 s on a formula simplification. DAG size of input: 1979 DAG size of output: 2740 [2021-06-06 03:43:15,237 WARN L205 SmtUtils]: Spent 15.12 s on a formula simplification. DAG size of input: 1958 DAG size of output: 2444 [2021-06-06 03:43:30,313 WARN L205 SmtUtils]: Spent 15.06 s on a formula simplification. DAG size of input: 1938 DAG size of output: 2763 [2021-06-06 03:43:37,377 WARN L205 SmtUtils]: Spent 7.05 s on a formula simplification. DAG size of input: 1930 DAG size of output: 1839 [2021-06-06 03:43:37,872 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 1812 [2021-06-06 03:43:38,474 WARN L205 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 1782 DAG size of output: 1782 [2021-06-06 03:43:38,855 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 1268 DAG size of output: 1268 [2021-06-06 03:43:43,970 WARN L205 SmtUtils]: Spent 4.91 s on a formula simplification. DAG size of input: 1237 DAG size of output: 2125 [2021-06-06 03:43:44,320 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 1231 DAG size of output: 1231 [2021-06-06 03:43:48,301 WARN L205 SmtUtils]: Spent 3.95 s on a formula simplification. DAG size of input: 1203 DAG size of output: 2086 [2021-06-06 03:43:52,566 WARN L205 SmtUtils]: Spent 4.25 s on a formula simplification. DAG size of input: 1198 DAG size of output: 1515 [2021-06-06 03:43:57,083 WARN L205 SmtUtils]: Spent 4.50 s on a formula simplification. DAG size of input: 1194 DAG size of output: 1508 [2021-06-06 03:43:57,406 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 1002 DAG size of output: 1002 [2021-06-06 03:43:58,488 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 622 DAG size of output: 710 [2021-06-06 03:43:59,957 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 620 DAG size of output: 971 [2021-06-06 03:44:01,368 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 619 DAG size of output: 814 [2021-06-06 03:44:01,521 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 614 [2021-06-06 03:44:02,799 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 318 [2021-06-06 03:44:03,553 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 261 [2021-06-06 03:44:04,205 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 281 [2021-06-06 03:44:04,456 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 374 [2021-06-06 03:44:04,973 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 715 DAG size of output: 519 [2021-06-06 03:44:05,911 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 255 [2021-06-06 03:44:06,749 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 424 DAG size of output: 321 [2021-06-06 03:44:07,669 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 226 [2021-06-06 03:44:07,803 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 263 [2021-06-06 03:44:08,583 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 244 [2021-06-06 03:44:08,719 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 282 [2021-06-06 03:44:09,032 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 376 [2021-06-06 03:44:09,661 WARN L205 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 733 DAG size of output: 524 [2021-06-06 03:44:10,971 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 997 DAG size of output: 720 [2021-06-06 03:44:11,573 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 435 [2021-06-06 03:44:12,820 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 312 [2021-06-06 03:44:14,269 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 263 [2021-06-06 03:44:14,497 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 323 [2021-06-06 03:44:14,935 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 425 [2021-06-06 03:44:15,254 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 303 [2021-06-06 03:44:16,720 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 294 [2021-06-06 03:44:16,985 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 332 [2021-06-06 03:44:18,183 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 272 [2021-06-06 03:44:18,381 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 311 [2021-06-06 03:44:18,905 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 464 [2021-06-06 03:44:20,030 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 959 DAG size of output: 697 [2021-06-06 03:44:22,468 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 1720 DAG size of output: 1194 [2021-06-06 03:44:22,623 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 606 [2021-06-06 03:44:23,009 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 349 [2021-06-06 03:44:24,280 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 312 [2021-06-06 03:44:24,522 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 316 [2021-06-06 03:44:25,218 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 252 [2021-06-06 03:44:25,836 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 317 [2021-06-06 03:44:26,213 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 470 [2021-06-06 03:44:26,695 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 596 DAG size of output: 477 [2021-06-06 03:44:27,825 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 288 [2021-06-06 03:44:28,610 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 314 [2021-06-06 03:44:28,859 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 319 [2021-06-06 03:44:29,609 WARN L205 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 832 DAG size of output: 587 [2021-06-06 03:44:31,100 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 291 [2021-06-06 03:44:31,218 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 267 [2021-06-06 03:44:31,321 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 239 [2021-06-06 03:44:32,741 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 333 [2021-06-06 03:44:33,134 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 436 [2021-06-06 03:44:33,641 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 460 [2021-06-06 03:44:33,851 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 253 [2021-06-06 03:44:34,460 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 229 [2021-06-06 03:44:35,310 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 336 [2021-06-06 03:44:35,544 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 342 [2021-06-06 03:44:36,471 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 481 DAG size of output: 343 [2021-06-06 03:44:36,818 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 367 [2021-06-06 03:44:37,775 WARN L205 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 833 DAG size of output: 618 [2021-06-06 03:44:39,818 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 1424 DAG size of output: 997 [2021-06-06 03:44:44,735 WARN L205 SmtUtils]: Spent 4.91 s on a formula simplification. DAG size of input: 2319 DAG size of output: 1544 [2021-06-06 03:44:44,901 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 545 DAG size of output: 545 [2021-06-06 03:44:46,125 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 224 [2021-06-06 03:44:47,575 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 228 [2021-06-06 03:44:47,818 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 287 [2021-06-06 03:44:48,147 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 338 [2021-06-06 03:44:50,403 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 227 [2021-06-06 03:44:50,639 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 266 [2021-06-06 03:44:50,914 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 347 [2021-06-06 03:44:51,688 WARN L205 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 698 DAG size of output: 504 [2021-06-06 03:44:51,976 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 339 [2021-06-06 03:44:53,169 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 231 [2021-06-06 03:44:54,477 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 322 [2021-06-06 03:44:55,216 WARN L205 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 447 [2021-06-06 03:44:56,613 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 228 [2021-06-06 03:44:56,942 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 222 [2021-06-06 03:44:57,165 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 306 [2021-06-06 03:44:57,393 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 230 [2021-06-06 03:44:58,377 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 244 [2021-06-06 03:44:59,222 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 222 [2021-06-06 03:44:59,512 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 340 [2021-06-06 03:45:00,063 WARN L205 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 672 DAG size of output: 474 [2021-06-06 03:45:01,020 WARN L205 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 786 DAG size of output: 562 [2021-06-06 03:45:03,106 WARN L205 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 1315 DAG size of output: 893 [2021-06-06 03:45:11,846 WARN L205 SmtUtils]: Spent 8.73 s on a formula simplification. DAG size of input: 3402 DAG size of output: 2219 [2021-06-06 03:45:24,096 WARN L205 SmtUtils]: Spent 12.23 s on a formula simplification. DAG size of input: 4261 DAG size of output: 3009 [2021-06-06 03:45:40,813 WARN L205 SmtUtils]: Spent 16.70 s on a formula simplification. DAG size of input: 5206 DAG size of output: 3925 [2021-06-06 03:46:01,593 WARN L205 SmtUtils]: Spent 20.75 s on a formula simplification. DAG size of input: 6147 DAG size of output: 4510 [2021-06-06 03:46:24,789 WARN L205 SmtUtils]: Spent 23.17 s on a formula simplification. DAG size of input: 6182 DAG size of output: 4546 [2021-06-06 03:46:25,140 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 1227 DAG size of output: 1227 [2021-06-06 03:46:25,451 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 1198 DAG size of output: 1198 [2021-06-06 03:46:26,875 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 657 DAG size of output: 806 [2021-06-06 03:46:27,142 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 249 [2021-06-06 03:46:27,978 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 325 [2021-06-06 03:46:28,929 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 386 [2021-06-06 03:46:29,252 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 326 [2021-06-06 03:46:30,918 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 285 [2021-06-06 03:46:31,057 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 283 [2021-06-06 03:46:31,392 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 408 [2021-06-06 03:46:32,088 WARN L205 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 561 [2021-06-06 03:46:32,346 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 250 [2021-06-06 03:46:32,489 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 227 [2021-06-06 03:46:33,298 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 255 [2021-06-06 03:46:33,445 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 224 [2021-06-06 03:46:34,276 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 221 [2021-06-06 03:46:35,161 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 287 [2021-06-06 03:46:35,476 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 329 [2021-06-06 03:46:35,980 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 430 [2021-06-06 03:46:37,252 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 263 [2021-06-06 03:46:37,417 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 310 [2021-06-06 03:46:38,262 WARN L205 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 619 DAG size of output: 546 [2021-06-06 03:46:40,118 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 1092 DAG size of output: 916 [2021-06-06 03:46:43,113 WARN L205 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 1323 DAG size of output: 1268 [2021-06-06 03:46:45,021 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 714 DAG size of output: 881 [2021-06-06 03:46:46,254 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 291 [2021-06-06 03:46:46,920 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 328 [2021-06-06 03:46:47,159 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 334 [2021-06-06 03:46:47,568 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 345 [2021-06-06 03:46:47,836 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 324 [2021-06-06 03:46:48,125 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 354 [2021-06-06 03:46:48,397 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 321 [2021-06-06 03:46:49,573 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 257 [2021-06-06 03:46:49,822 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 309 [2021-06-06 03:46:50,759 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 258 [2021-06-06 03:46:50,939 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 264 [2021-06-06 03:46:51,333 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 382 [2021-06-06 03:46:51,623 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 347 [2021-06-06 03:46:51,852 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 314 [2021-06-06 03:46:52,936 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 253 [2021-06-06 03:46:53,706 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 348 [2021-06-06 03:46:53,973 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 354 [2021-06-06 03:46:54,710 WARN L205 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 436 [2021-06-06 03:46:55,815 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 693 DAG size of output: 573 [2021-06-06 03:46:57,181 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 888 DAG size of output: 695 [2021-06-06 03:46:58,391 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 304 [2021-06-06 03:46:59,483 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 378 [2021-06-06 03:46:59,770 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 393 [2021-06-06 03:47:00,072 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 364 [2021-06-06 03:47:00,456 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 382 [2021-06-06 03:47:00,695 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 301 [2021-06-06 03:47:01,801 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 230 [2021-06-06 03:47:01,962 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 272 [2021-06-06 03:47:02,235 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 345 [2021-06-06 03:47:03,619 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 278 [2021-06-06 03:47:04,004 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 400 [2021-06-06 03:47:05,444 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 237 [2021-06-06 03:47:05,596 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 242 [2021-06-06 03:47:05,744 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 247 [2021-06-06 03:47:05,913 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 277 [2021-06-06 03:47:06,559 WARN L205 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 474 [2021-06-06 03:47:07,518 WARN L205 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 677 DAG size of output: 599 [2021-06-06 03:47:08,948 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 914 DAG size of output: 805 [2021-06-06 03:47:12,064 WARN L205 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 1578 DAG size of output: 1173 [2021-06-06 03:47:16,560 WARN L205 SmtUtils]: Spent 4.49 s on a formula simplification. DAG size of input: 1866 DAG size of output: 1552 [2021-06-06 03:47:25,472 WARN L205 SmtUtils]: Spent 8.86 s on a formula simplification. DAG size of input: 2940 DAG size of output: 2588 [2021-06-06 03:47:35,549 WARN L205 SmtUtils]: Spent 10.04 s on a formula simplification. DAG size of input: 2968 DAG size of output: 2618 [2021-06-06 03:48:13,458 WARN L205 SmtUtils]: Spent 37.88 s on a formula simplification. DAG size of input: 8402 DAG size of output: 6273 [2021-06-06 03:48:55,448 WARN L205 SmtUtils]: Spent 41.95 s on a formula simplification. DAG size of input: 8492 DAG size of output: 6351 [2021-06-06 03:48:55,662 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 763 [2021-06-06 03:48:55,848 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 731 DAG size of output: 731 [2021-06-06 03:48:57,812 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 702 DAG size of output: 1025 [2021-06-06 03:48:59,261 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 698 DAG size of output: 914 [2021-06-06 03:48:59,432 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 692 DAG size of output: 692 [2021-06-06 03:48:59,804 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 325 [2021-06-06 03:49:00,072 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 316 [2021-06-06 03:49:01,931 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 206 [2021-06-06 03:49:02,737 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 237 [2021-06-06 03:49:03,062 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 344 [2021-06-06 03:49:03,646 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 482 [2021-06-06 03:49:04,070 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 386 [2021-06-06 03:49:04,355 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 329 [2021-06-06 03:49:06,589 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 232 [2021-06-06 03:49:06,792 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 286 [2021-06-06 03:49:07,049 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 327 [2021-06-06 03:49:09,215 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 360 [2021-06-06 03:49:09,900 WARN L205 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 484 [2021-06-06 03:49:10,895 WARN L205 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 704 DAG size of output: 629 [2021-06-06 03:49:12,755 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 1009 DAG size of output: 898 [2021-06-06 03:49:14,565 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 249 [2021-06-06 03:49:14,802 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 327 [2021-06-06 03:49:15,846 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 298 [2021-06-06 03:49:16,347 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 468 [2021-06-06 03:49:16,680 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 359 [2021-06-06 03:49:16,902 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 317 [2021-06-06 03:49:17,115 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 316 [2021-06-06 03:49:19,675 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 290 [2021-06-06 03:49:19,969 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 374 [2021-06-06 03:49:20,267 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 372 [2021-06-06 03:49:21,697 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 262 [2021-06-06 03:49:22,996 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 471 DAG size of output: 306 [2021-06-06 03:49:23,593 WARN L205 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 391 [2021-06-06 03:49:24,537 WARN L205 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 750 DAG size of output: 516 [2021-06-06 03:49:25,906 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 870 DAG size of output: 675 [2021-06-06 03:49:28,074 WARN L205 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 1157 DAG size of output: 948 [2021-06-06 03:49:32,778 WARN L205 SmtUtils]: Spent 4.70 s on a formula simplification. DAG size of input: 1924 DAG size of output: 1646 [2021-06-06 03:49:39,254 WARN L205 SmtUtils]: Spent 6.47 s on a formula simplification. DAG size of input: 2158 DAG size of output: 1979 [2021-06-06 03:49:41,399 WARN L205 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 696 DAG size of output: 953 [2021-06-06 03:49:43,080 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 692 DAG size of output: 825 [2021-06-06 03:49:44,285 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 689 DAG size of output: 822 [2021-06-06 03:49:45,244 WARN L205 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 806 [2021-06-06 03:49:45,412 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 655 DAG size of output: 655 [2021-06-06 03:49:47,019 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 293 [2021-06-06 03:49:48,359 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 239 [2021-06-06 03:49:48,700 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 383 [2021-06-06 03:49:48,926 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 308 [2021-06-06 03:49:50,068 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 225 [2021-06-06 03:49:50,380 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 372 [2021-06-06 03:49:51,821 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 254 [2021-06-06 03:49:52,154 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 378 [2021-06-06 03:49:52,997 WARN L205 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 881 DAG size of output: 639 [2021-06-06 03:49:54,487 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 685 DAG size of output: 1005 [2021-06-06 03:49:54,651 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 682 [2021-06-06 03:49:56,178 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 299 [2021-06-06 03:49:58,040 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 324 [2021-06-06 03:49:58,472 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 673 DAG size of output: 486 [2021-06-06 03:49:58,641 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 681 DAG size of output: 681 [2021-06-06 03:49:59,891 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 299 [2021-06-06 03:50:01,479 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 316 [2021-06-06 03:50:01,944 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 672 DAG size of output: 486 [2021-06-06 03:50:02,920 WARN L205 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 966 DAG size of output: 640 [2021-06-06 03:50:05,043 WARN L205 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 1382 DAG size of output: 835 [2021-06-06 03:50:05,216 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 655 DAG size of output: 655 [2021-06-06 03:50:07,477 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 197 [2021-06-06 03:50:08,124 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 227 [2021-06-06 03:50:08,300 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 257 [2021-06-06 03:50:08,569 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 340 [2021-06-06 03:50:08,918 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 329 [2021-06-06 03:50:10,494 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 259 [2021-06-06 03:50:10,777 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 331 [2021-06-06 03:50:12,292 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 255 [2021-06-06 03:50:12,676 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 359 [2021-06-06 03:50:13,441 WARN L205 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 545 [2021-06-06 03:50:15,433 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 248 [2021-06-06 03:50:16,870 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 186 [2021-06-06 03:50:17,648 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 236 [2021-06-06 03:50:18,006 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 373 [2021-06-06 03:50:19,357 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1037 DAG size of output: 762 [2021-06-06 03:50:23,364 WARN L205 SmtUtils]: Spent 4.00 s on a formula simplification. DAG size of input: 1939 DAG size of output: 1117 [2021-06-06 03:50:29,365 WARN L205 SmtUtils]: Spent 5.99 s on a formula simplification. DAG size of input: 2267 DAG size of output: 1472 [2021-06-06 03:50:37,151 WARN L205 SmtUtils]: Spent 7.77 s on a formula simplification. DAG size of input: 2628 DAG size of output: 1938 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown