/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 05:37:14,372 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 05:37:14,374 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 05:37:14,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 05:37:14,469 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe.epf [2021-07-10 05:37:14,484 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 05:37:14,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 05:37:14,485 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 05:37:14,485 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 05:37:14,485 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 05:37:14,486 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 05:37:14,486 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 05:37:14,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 05:37:14,486 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 05:37:14,486 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 05:37:14,486 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 05:37:14,486 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 05:37:14,486 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 05:37:14,486 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 05:37:14,486 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 05:37:14,487 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 05:37:14,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 05:37:14,487 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 05:37:14,487 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 05:37:14,487 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 05:37:14,487 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 05:37:14,487 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 05:37:14,487 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 05:37:14,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 05:37:14,487 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 05:37:14,488 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 05:37:14,488 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 05:37:14,488 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 05:37:14,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 05:37:14,488 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 05:37:14,488 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 05:37:14,488 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 05:37:14,488 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-10 05:37:14,488 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 05:37:14,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 05:37:14,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 05:37:14,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 05:37:14,761 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 05:37:14,761 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 05:37:14,762 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl [2021-07-10 05:37:14,762 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl' [2021-07-10 05:37:14,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 05:37:14,782 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 05:37:14,783 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 05:37:14,783 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 05:37:14,783 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 05:37:14,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:37:14" (1/1) ... [2021-07-10 05:37:14,800 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:37:14" (1/1) ... [2021-07-10 05:37:14,806 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 05:37:14,808 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 05:37:14,808 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 05:37:14,808 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 05:37:14,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:37:14" (1/1) ... [2021-07-10 05:37:14,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:37:14" (1/1) ... [2021-07-10 05:37:14,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:37:14" (1/1) ... [2021-07-10 05:37:14,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:37:14" (1/1) ... [2021-07-10 05:37:14,816 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:37:14" (1/1) ... [2021-07-10 05:37:14,818 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:37:14" (1/1) ... [2021-07-10 05:37:14,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:37:14" (1/1) ... [2021-07-10 05:37:14,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 05:37:14,821 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 05:37:14,821 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 05:37:14,821 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 05:37:14,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:37:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 05:37:14,881 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 05:37:14,881 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 05:37:14,881 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 05:37:14,881 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 05:37:14,881 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 05:37:14,881 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 05:37:14,882 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 05:37:14,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 05:37:14,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 05:37:14,884 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 05:37:15,081 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 05:37:15,081 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-10 05:37:15,081 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-10 05:37:15,082 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-10 05:37:15,083 INFO L202 PluginConnector]: Adding new model unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 05:37:15 BoogieIcfgContainer [2021-07-10 05:37:15,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 05:37:15,084 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 05:37:15,084 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 05:37:15,086 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 05:37:15,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:37:14" (1/2) ... [2021-07-10 05:37:15,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@578d77e1 and model type unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 05:37:15, skipping insertion in model container [2021-07-10 05:37:15,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 05:37:15" (2/2) ... [2021-07-10 05:37:15,087 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-4.wvr.bpl [2021-07-10 05:37:15,091 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 05:37:15,091 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 05:37:15,091 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 05:37:15,091 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 05:37:15,110 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 05:37:15,124 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 05:37:15,184 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 05:37:15,184 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 05:37:15,184 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 05:37:15,184 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 05:37:15,184 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 05:37:15,184 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 05:37:15,184 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 05:37:15,184 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 05:37:15,212 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:37:15,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:37:15,216 INFO L82 PathProgramCache]: Analyzing trace with hash 327878231, now seen corresponding path program 1 times [2021-07-10 05:37:15,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:37:15,223 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146156825] [2021-07-10 05:37:15,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:37:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:37:15,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:37:15,342 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:37:15,342 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146156825] [2021-07-10 05:37:15,343 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146156825] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 05:37:15,343 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 05:37:15,343 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 05:37:15,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639769496] [2021-07-10 05:37:15,346 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 05:37:15,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:37:15,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 05:37:15,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 05:37:15,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:37:15,367 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:37:15,368 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:37:15,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:37:15,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:37:15,395 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 05:37:15,395 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:37:15,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:37:15,398 INFO L82 PathProgramCache]: Analyzing trace with hash 652599305, now seen corresponding path program 1 times [2021-07-10 05:37:15,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:37:15,398 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506277153] [2021-07-10 05:37:15,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:37:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:37:15,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:37:15,432 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:37:15,433 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506277153] [2021-07-10 05:37:15,433 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506277153] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:37:15,433 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [940170851] [2021-07-10 05:37:15,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:37:15,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:37:15,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-10 05:37:15,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:37:15,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:37:15,542 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [940170851] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:37:15,542 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:37:15,542 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-07-10 05:37:15,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829347165] [2021-07-10 05:37:15,544 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-10 05:37:15,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:37:15,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-10 05:37:15,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-10 05:37:15,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:37:15,551 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:37:15,552 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:37:15,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:37:15,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:37:15,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:37:15,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:15,817 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:37:15,817 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:37:15,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:37:15,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1221187306, now seen corresponding path program 1 times [2021-07-10 05:37:15,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:37:15,818 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597098147] [2021-07-10 05:37:15,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:37:15,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:37:15,857 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 05:37:15,858 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:37:15,858 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597098147] [2021-07-10 05:37:15,858 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597098147] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:37:15,858 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1428130623] [2021-07-10 05:37:15,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:37:15,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:37:15,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-10 05:37:15,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:37:15,909 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 05:37:15,909 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1428130623] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:37:15,909 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:37:15,909 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-07-10 05:37:15,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383913781] [2021-07-10 05:37:15,910 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 05:37:15,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:37:15,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 05:37:15,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 05:37:15,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:37:15,911 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:37:15,911 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:37:15,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:37:15,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:15,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:37:15,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:37:15,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:15,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:16,128 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:37:16,129 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:37:16,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:37:16,129 INFO L82 PathProgramCache]: Analyzing trace with hash 1598119496, now seen corresponding path program 2 times [2021-07-10 05:37:16,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:37:16,130 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512535996] [2021-07-10 05:37:16,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:37:16,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:37:16,169 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 05:37:16,169 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:37:16,169 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512535996] [2021-07-10 05:37:16,170 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512535996] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:37:16,170 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1495791655] [2021-07-10 05:37:16,170 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:37:16,205 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 05:37:16,206 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:37:16,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-10 05:37:16,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:37:16,287 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 05:37:16,287 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1495791655] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:37:16,287 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:37:16,287 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-07-10 05:37:16,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74272105] [2021-07-10 05:37:16,288 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 05:37:16,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:37:16,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 05:37:16,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-10 05:37:16,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:37:16,289 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:37:16,289 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:37:16,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:37:16,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:16,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:16,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:37:16,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:37:16,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:16,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:16,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:37:16,520 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:37:16,521 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:37:16,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:37:16,521 INFO L82 PathProgramCache]: Analyzing trace with hash -1197682858, now seen corresponding path program 3 times [2021-07-10 05:37:16,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:37:16,522 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464197022] [2021-07-10 05:37:16,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:37:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:37:16,572 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 05:37:16,572 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:37:16,572 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464197022] [2021-07-10 05:37:16,573 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464197022] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:37:16,573 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227117976] [2021-07-10 05:37:16,573 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:37:16,602 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 05:37:16,603 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:37:16,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-10 05:37:16,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:37:16,649 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 05:37:16,649 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [227117976] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:37:16,649 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:37:16,649 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-07-10 05:37:16,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824920332] [2021-07-10 05:37:16,650 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-10 05:37:16,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:37:16,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-10 05:37:16,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-07-10 05:37:16,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:37:16,650 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:37:16,650 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) [2021-07-10 05:37:16,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:37:16,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:16,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:16,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:37:16,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:37:16,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:37:16,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:16,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:16,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:37:16,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:37:16,896 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:37:16,897 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:37:16,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:37:16,898 INFO L82 PathProgramCache]: Analyzing trace with hash -1968209912, now seen corresponding path program 4 times [2021-07-10 05:37:16,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:37:16,898 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948230024] [2021-07-10 05:37:16,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:37:16,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:37:16,941 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:37:16,942 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:37:16,942 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948230024] [2021-07-10 05:37:16,942 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948230024] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:37:16,942 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862577531] [2021-07-10 05:37:16,942 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:37:16,969 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 05:37:16,969 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:37:16,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 05:37:16,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:37:17,095 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:37:17,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-07-10 05:37:17,192 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:37:17,194 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:37:17,194 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 05:37:17,194 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-07-10 05:37:17,202 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:37:17,202 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862577531] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:37:17,203 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:37:17,203 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2021-07-10 05:37:17,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206448627] [2021-07-10 05:37:17,203 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-10 05:37:17,203 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:37:17,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-10 05:37:17,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-07-10 05:37:17,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:37:17,204 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:37:17,204 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 1.9166666666666667) internal successors, (23), 11 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:37:17,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:37:17,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:17,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:17,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:37:17,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:37:17,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:37:17,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:37:17,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:17,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:17,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:37:17,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:37:17,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:37:17,465 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:37:17,465 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:37:17,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:37:17,466 INFO L82 PathProgramCache]: Analyzing trace with hash -84744810, now seen corresponding path program 5 times [2021-07-10 05:37:17,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:37:17,466 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95517695] [2021-07-10 05:37:17,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:37:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:37:17,531 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:37:17,531 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:37:17,532 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95517695] [2021-07-10 05:37:17,532 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95517695] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:37:17,534 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [659108095] [2021-07-10 05:37:17,534 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:37:17,570 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-10 05:37:17,570 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:37:17,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-10 05:37:17,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:37:17,647 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:37:17,648 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [659108095] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:37:17,648 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:37:17,648 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-07-10 05:37:17,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017486206] [2021-07-10 05:37:17,648 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 05:37:17,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:37:17,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 05:37:17,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-07-10 05:37:17,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:37:17,649 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:37:17,649 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:37:17,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:37:17,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:17,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:17,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:37:17,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:37:17,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:37:17,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:37:17,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:37:17,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:17,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:17,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:37:17,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:37:17,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:37:17,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:37:17,964 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-07-10 05:37:17,965 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:37:17,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:37:17,965 INFO L82 PathProgramCache]: Analyzing trace with hash 1690948905, now seen corresponding path program 6 times [2021-07-10 05:37:17,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:37:17,966 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660330156] [2021-07-10 05:37:17,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:37:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:37:18,046 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 05:37:18,047 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:37:18,047 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660330156] [2021-07-10 05:37:18,047 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660330156] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:37:18,047 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1904962046] [2021-07-10 05:37:18,047 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:37:18,084 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-10 05:37:18,084 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:37:18,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-10 05:37:18,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:37:18,146 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 05:37:18,146 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1904962046] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:37:18,146 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:37:18,146 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-10 05:37:18,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358016754] [2021-07-10 05:37:18,147 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-10 05:37:18,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:37:18,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-10 05:37:18,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-07-10 05:37:18,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:37:18,149 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:37:18,149 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 12 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:37:18,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:37:18,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:18,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:18,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:37:18,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:37:18,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:37:18,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:37:18,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:37:18,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:37:18,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:18,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:18,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:37:18,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:37:18,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:37:18,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:37:18,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:37:18,476 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-10 05:37:18,476 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:37:18,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:37:18,477 INFO L82 PathProgramCache]: Analyzing trace with hash -775286985, now seen corresponding path program 7 times [2021-07-10 05:37:18,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:37:18,477 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180778706] [2021-07-10 05:37:18,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:37:18,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:37:18,591 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 05:37:18,591 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:37:18,591 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180778706] [2021-07-10 05:37:18,591 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180778706] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:37:18,592 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1329967737] [2021-07-10 05:37:18,592 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:37:18,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:37:18,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-10 05:37:18,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:37:18,694 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 05:37:18,694 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1329967737] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:37:18,694 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:37:18,695 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-07-10 05:37:18,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409542710] [2021-07-10 05:37:18,695 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-10 05:37:18,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:37:18,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-10 05:37:18,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-07-10 05:37:18,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:37:18,695 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:37:18,696 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) [2021-07-10 05:37:18,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:37:18,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:18,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:18,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:37:18,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:37:18,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:37:18,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:37:18,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:37:18,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:37:18,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:37:18,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:18,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:18,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:37:18,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:37:18,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:37:18,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:37:18,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:37:18,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:37:19,040 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-07-10 05:37:19,041 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:37:19,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:37:19,041 INFO L82 PathProgramCache]: Analyzing trace with hash 80811753, now seen corresponding path program 8 times [2021-07-10 05:37:19,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:37:19,042 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444518540] [2021-07-10 05:37:19,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:37:19,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:37:19,134 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 05:37:19,134 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:37:19,135 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444518540] [2021-07-10 05:37:19,135 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444518540] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:37:19,135 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2035555550] [2021-07-10 05:37:19,135 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:37:19,173 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 05:37:19,173 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:37:19,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 05:37:19,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:37:19,260 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 05:37:19,260 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2035555550] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:37:19,260 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:37:19,260 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-07-10 05:37:19,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938025279] [2021-07-10 05:37:19,260 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-10 05:37:19,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:37:19,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-10 05:37:19,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-07-10 05:37:19,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:37:19,261 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:37:19,261 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5) internal successors, (24), 15 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:37:19,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:37:19,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:19,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:19,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:37:19,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:37:19,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:37:19,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:37:19,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:37:19,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:37:19,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:37:19,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:37:19,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:19,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:19,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:37:19,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:37:19,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:37:19,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:37:19,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:37:19,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:37:19,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:37:19,635 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-10 05:37:19,635 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:37:19,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:37:19,635 INFO L82 PathProgramCache]: Analyzing trace with hash 850068855, now seen corresponding path program 9 times [2021-07-10 05:37:19,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:37:19,636 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763147463] [2021-07-10 05:37:19,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:37:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:37:19,700 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:37:19,700 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:37:19,700 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763147463] [2021-07-10 05:37:19,700 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763147463] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:37:19,700 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713076274] [2021-07-10 05:37:19,700 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:37:19,728 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-10 05:37:19,728 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:37:19,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-10 05:37:19,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:37:20,027 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-10 05:37:20,027 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:37:20,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-07-10 05:37:21,051 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 274 [2021-07-10 05:37:22,416 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:37:22,417 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:37:22,418 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 05:37:22,418 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-07-10 05:37:22,423 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:37:22,423 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1713076274] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:37:22,423 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:37:22,423 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 20 [2021-07-10 05:37:22,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859125463] [2021-07-10 05:37:22,423 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-10 05:37:22,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:37:22,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-10 05:37:22,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-07-10 05:37:22,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:37:22,424 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:37:22,424 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 20 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:37:22,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:37:22,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:22,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:22,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:37:22,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:37:22,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:37:22,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:37:22,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:37:22,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:37:22,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:37:22,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:37:22,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:37:22,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:22,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:22,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:37:22,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:37:22,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:37:22,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:37:22,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:37:22,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:37:22,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:37:22,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 05:37:22,772 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-07-10 05:37:22,773 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:37:22,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:37:22,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1072764759, now seen corresponding path program 10 times [2021-07-10 05:37:22,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:37:22,774 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098383826] [2021-07-10 05:37:22,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:37:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:37:22,863 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:37:22,864 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:37:22,864 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098383826] [2021-07-10 05:37:22,864 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098383826] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:37:22,864 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [65143595] [2021-07-10 05:37:22,864 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:37:22,895 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 05:37:22,895 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:37:22,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-10 05:37:22,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:37:22,943 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:37:22,944 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [65143595] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:37:22,944 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:37:22,944 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-07-10 05:37:22,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108804614] [2021-07-10 05:37:22,944 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-10 05:37:22,944 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:37:22,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-10 05:37:22,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-07-10 05:37:22,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:37:22,945 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:37:22,945 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:37:22,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:37:22,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:22,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:22,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:37:22,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:37:22,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:37:22,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:37:22,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:37:22,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:37:22,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:37:22,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 05:37:22,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:37:23,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:37:23,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:23,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:23,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:37:23,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:37:23,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:37:23,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:37:23,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:37:23,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:37:23,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:37:23,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 05:37:23,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:37:23,324 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable313,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:37:23,325 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:37:23,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:37:23,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1127101558, now seen corresponding path program 11 times [2021-07-10 05:37:23,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:37:23,325 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726500645] [2021-07-10 05:37:23,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:37:23,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:37:23,457 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 05:37:23,458 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:37:23,458 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726500645] [2021-07-10 05:37:23,458 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726500645] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:37:23,458 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308183327] [2021-07-10 05:37:23,459 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 [2021-07-10 05:37:23,488 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-10 05:37:23,489 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:37:23,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-10 05:37:23,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:37:23,601 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 05:37:23,601 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1308183327] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:37:23,602 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:37:23,602 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-07-10 05:37:23,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418945279] [2021-07-10 05:37:23,602 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-10 05:37:23,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:37:23,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-10 05:37:23,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2021-07-10 05:37:23,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:37:23,603 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:37:23,603 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.4) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:37:23,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:37:23,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:23,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:23,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:37:23,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:37:23,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:37:23,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:37:23,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:37:23,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:37:23,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:37:23,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 05:37:23,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:37:23,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:37:23,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:37:23,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:23,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:23,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:37:23,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:37:23,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:37:23,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:37:23,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:37:23,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:37:23,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:37:23,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 05:37:23,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:37:23,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:37:24,156 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable314 [2021-07-10 05:37:24,157 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:37:24,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:37:24,157 INFO L82 PathProgramCache]: Analyzing trace with hash 119935784, now seen corresponding path program 12 times [2021-07-10 05:37:24,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:37:24,157 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844370912] [2021-07-10 05:37:24,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:37:24,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:37:24,296 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 05:37:24,296 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:37:24,296 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844370912] [2021-07-10 05:37:24,296 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844370912] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:37:24,296 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [285103263] [2021-07-10 05:37:24,296 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 [2021-07-10 05:37:24,338 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-10 05:37:24,338 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:37:24,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-10 05:37:24,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:37:24,605 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:37:24,605 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [285103263] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:37:24,605 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:37:24,606 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 26 [2021-07-10 05:37:24,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947865701] [2021-07-10 05:37:24,606 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-10 05:37:24,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:37:24,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-10 05:37:24,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=638, Unknown=0, NotChecked=0, Total=702 [2021-07-10 05:37:24,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:37:24,607 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:37:24,607 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 26 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:37:24,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:37:24,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:24,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:24,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:37:24,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:37:24,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:37:24,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:37:24,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:37:24,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:37:24,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:37:24,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 05:37:24,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:37:24,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:37:24,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:37:25,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:37:25,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:25,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:25,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:37:25,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:37:25,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:37:25,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:37:25,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:37:25,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:37:25,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:37:25,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 05:37:25,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:37:25,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:37:25,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:37:25,327 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable315,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:37:25,328 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:37:25,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:37:25,328 INFO L82 PathProgramCache]: Analyzing trace with hash -1037432138, now seen corresponding path program 13 times [2021-07-10 05:37:25,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:37:25,328 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930766323] [2021-07-10 05:37:25,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:37:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:37:25,513 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 05:37:25,513 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:37:25,513 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930766323] [2021-07-10 05:37:25,513 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930766323] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:37:25,513 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693935019] [2021-07-10 05:37:25,513 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 [2021-07-10 05:37:25,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:37:25,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 23 conjunts are in the unsatisfiable core [2021-07-10 05:37:25,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:37:25,715 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 05:37:25,716 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1693935019] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:37:25,716 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:37:25,716 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-07-10 05:37:25,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883446640] [2021-07-10 05:37:25,717 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-10 05:37:25,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:37:25,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-10 05:37:25,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=493, Unknown=0, NotChecked=0, Total=552 [2021-07-10 05:37:25,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:37:25,718 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:37:25,718 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:37:25,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:37:25,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:25,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:25,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:37:25,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:37:25,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:37:25,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:37:25,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:37:25,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:37:25,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:37:25,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 05:37:25,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:37:25,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:37:25,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:37:25,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:37:26,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:37:26,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:26,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:37:26,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:37:26,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:37:26,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:37:26,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:37:26,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:37:26,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:37:26,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:37:26,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 05:37:26,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:37:26,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:37:26,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:37:26,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:37:26,285 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable316 [2021-07-10 05:37:26,285 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:37:26,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:37:26,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1738867944, now seen corresponding path program 14 times [2021-07-10 05:37:26,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:37:26,285 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147050097] [2021-07-10 05:37:26,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:37:26,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:37:26,397 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:37:26,397 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:37:26,397 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147050097] [2021-07-10 05:37:26,397 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147050097] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:37:26,397 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [552568999] [2021-07-10 05:37:26,397 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:37:26,425 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 05:37:26,425 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:37:26,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 37 conjunts are in the unsatisfiable core [2021-07-10 05:37:26,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:37:27,024 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-07-10 05:37:27,025 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:37:27,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 23 new quantified variables, introduced 66 case distinctions, treesize of input 55 treesize of output 568 [2021-07-10 05:37:27,824 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 380 [2021-07-10 05:37:27,977 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 383 [2021-07-10 05:37:29,135 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 513 [2021-07-10 05:37:29,374 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 516 [2021-07-10 05:37:29,840 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 757 [2021-07-10 05:37:30,399 WARN L205 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 938 DAG size of output: 782 [2021-07-10 05:37:31,226 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 397 [2021-07-10 05:37:31,404 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 432 [2021-07-10 05:37:31,615 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 439 [2021-07-10 05:37:32,280 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 387 [2021-07-10 05:37:32,977 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 392 [2021-07-10 05:37:33,258 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 687 [2021-07-10 05:37:33,616 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 720 [2021-07-10 05:37:34,036 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 727 [2021-07-10 05:37:34,762 WARN L205 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 1118 DAG size of output: 985 [2021-07-10 05:37:35,608 WARN L205 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 1140 DAG size of output: 1008 [2021-07-10 05:37:37,070 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1924 DAG size of output: 1536 [2021-07-10 05:37:38,138 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 483 [2021-07-10 05:37:38,348 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 486 [2021-07-10 05:37:39,094 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 347 [2021-07-10 05:37:39,468 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 711 [2021-07-10 05:37:39,931 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 737 [2021-07-10 05:37:40,649 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 367 [2021-07-10 05:37:40,796 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 402 [2021-07-10 05:37:40,976 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 408 [2021-07-10 05:37:42,093 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 363 [2021-07-10 05:37:42,330 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 657 [2021-07-10 05:37:42,625 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 690 [2021-07-10 05:37:42,988 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 696 [2021-07-10 05:37:43,603 WARN L205 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 1082 DAG size of output: 940 [2021-07-10 05:37:44,343 WARN L205 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 964 [2021-07-10 05:37:45,643 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1466 [2021-07-10 05:37:48,836 WARN L205 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 3619 DAG size of output: 2834 [2021-07-10 05:37:52,547 WARN L205 SmtUtils]: Spent 3.70 s on a formula simplification. DAG size of input: 3664 DAG size of output: 2879 [2021-07-10 05:37:56,745 WARN L205 SmtUtils]: Spent 4.18 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-07-10 05:38:00,949 WARN L205 SmtUtils]: Spent 4.19 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-07-10 05:38:06,020 WARN L205 SmtUtils]: Spent 5.06 s on a formula simplification. DAG size of input: 3707 DAG size of output: 2922 [2021-07-10 05:38:10,620 WARN L205 SmtUtils]: Spent 4.58 s on a formula simplification. DAG size of input: 2924 DAG size of output: 2915 [2021-07-10 05:38:15,589 WARN L205 SmtUtils]: Spent 4.95 s on a formula simplification. DAG size of input: 2912 DAG size of output: 3217 [2021-07-10 05:38:23,392 WARN L205 SmtUtils]: Spent 7.78 s on a formula simplification. DAG size of input: 2696 DAG size of output: 3553 [2021-07-10 05:38:23,552 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 2516 [2021-07-10 05:38:24,631 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 278 [2021-07-10 05:38:26,472 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 2495 DAG size of output: 2494 [2021-07-10 05:38:32,846 WARN L205 SmtUtils]: Spent 6.36 s on a formula simplification. DAG size of input: 2493 DAG size of output: 3700 [2021-07-10 05:38:33,156 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 2169 DAG size of output: 2169 [2021-07-10 05:38:33,447 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 2126 DAG size of output: 2126 [2021-07-10 05:38:34,396 WARN L205 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 977 [2021-07-10 05:38:34,693 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 339 [2021-07-10 05:38:36,142 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 257 [2021-07-10 05:38:36,360 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 340 [2021-07-10 05:38:36,657 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 396 [2021-07-10 05:38:37,107 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 592 [2021-07-10 05:38:38,081 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 243 [2021-07-10 05:38:38,415 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 265 [2021-07-10 05:38:38,714 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 425 [2021-07-10 05:38:39,162 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 623 [2021-07-10 05:38:40,197 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 1090 DAG size of output: 844 [2021-07-10 05:38:41,445 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 322 [2021-07-10 05:38:41,736 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 350 [2021-07-10 05:38:42,829 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 285 [2021-07-10 05:38:43,061 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 391 [2021-07-10 05:38:43,369 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 449 [2021-07-10 05:38:44,248 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 173 [2021-07-10 05:38:44,377 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 238 [2021-07-10 05:38:44,575 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 360 [2021-07-10 05:38:44,848 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 396 [2021-07-10 05:38:45,177 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 455 [2021-07-10 05:38:45,912 WARN L205 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 659 [2021-07-10 05:38:46,855 WARN L205 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 710 [2021-07-10 05:38:47,812 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 245 [2021-07-10 05:38:47,995 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 305 [2021-07-10 05:38:48,234 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 409 [2021-07-10 05:38:48,542 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 472 [2021-07-10 05:38:49,587 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 221 [2021-07-10 05:38:49,737 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 275 [2021-07-10 05:38:49,943 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 374 [2021-07-10 05:38:50,212 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 411 [2021-07-10 05:38:50,554 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 475 [2021-07-10 05:38:51,266 WARN L205 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 714 [2021-07-10 05:38:53,063 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 1682 DAG size of output: 1237 [2021-07-10 05:38:56,005 WARN L205 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 2518 DAG size of output: 1697 [2021-07-10 05:38:59,340 WARN L205 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 2537 DAG size of output: 1736 [2021-07-10 05:39:03,691 WARN L205 SmtUtils]: Spent 4.34 s on a formula simplification. DAG size of input: 2890 DAG size of output: 1831 [2021-07-10 05:39:04,757 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 700 DAG size of output: 1050 [2021-07-10 05:39:05,109 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 660 [2021-07-10 05:39:05,674 WARN L205 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 647 DAG size of output: 823 [2021-07-10 05:39:06,711 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 257 [2021-07-10 05:39:06,905 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 285 [2021-07-10 05:39:07,166 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 348 [2021-07-10 05:39:07,554 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 513 [2021-07-10 05:39:07,735 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 429 [2021-07-10 05:39:08,668 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 283 [2021-07-10 05:39:08,849 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 309 [2021-07-10 05:39:09,764 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 270 [2021-07-10 05:39:09,932 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 296 [2021-07-10 05:39:10,309 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 492 [2021-07-10 05:39:10,822 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 624 [2021-07-10 05:39:11,559 WARN L205 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 814 [2021-07-10 05:39:12,765 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 1338 DAG size of output: 1058 [2021-07-10 05:39:14,411 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 1723 DAG size of output: 1396 [2021-07-10 05:39:15,084 WARN L205 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 828 [2021-07-10 05:39:15,669 WARN L205 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 766 [2021-07-10 05:39:16,037 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 639 [2021-07-10 05:39:16,145 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 332 [2021-07-10 05:39:17,775 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 248 [2021-07-10 05:39:17,938 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 212 [2021-07-10 05:39:18,236 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 388 [2021-07-10 05:39:18,854 WARN L205 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 707 [2021-07-10 05:39:19,761 WARN L205 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 1357 DAG size of output: 863 [2021-07-10 05:39:21,093 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1729 DAG size of output: 1197 [2021-07-10 05:39:24,403 WARN L205 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 2363 DAG size of output: 1672 [2021-07-10 05:39:28,189 WARN L205 SmtUtils]: Spent 3.78 s on a formula simplification. DAG size of input: 2424 DAG size of output: 1716 [2021-07-10 05:39:33,656 WARN L205 SmtUtils]: Spent 5.46 s on a formula simplification. DAG size of input: 2831 DAG size of output: 1844 [2021-07-10 05:39:44,452 WARN L205 SmtUtils]: Spent 10.78 s on a formula simplification. DAG size of input: 5382 DAG size of output: 3237 [2021-07-10 05:39:45,662 WARN L205 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 707 DAG size of output: 1000 [2021-07-10 05:39:46,208 WARN L205 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 712 [2021-07-10 05:39:46,965 WARN L205 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 877 [2021-07-10 05:39:47,442 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 729 [2021-07-10 05:39:48,243 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 262 [2021-07-10 05:39:48,465 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 300 [2021-07-10 05:39:48,674 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 374 [2021-07-10 05:39:49,527 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 229 [2021-07-10 05:39:50,348 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 344 [2021-07-10 05:39:51,242 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 334 [2021-07-10 05:39:52,286 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 369 [2021-07-10 05:39:52,737 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 560 [2021-07-10 05:39:53,511 WARN L205 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 902 DAG size of output: 726 [2021-07-10 05:39:54,462 WARN L205 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 962 DAG size of output: 768 [2021-07-10 05:39:55,675 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 1071 DAG size of output: 879 [2021-07-10 05:39:56,932 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1304 DAG size of output: 904 [2021-07-10 05:39:58,777 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 1744 DAG size of output: 1304 [2021-07-10 05:40:01,281 WARN L205 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 2015 DAG size of output: 1655 [2021-07-10 05:40:02,086 WARN L205 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 879 [2021-07-10 05:40:02,453 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 490 [2021-07-10 05:40:02,736 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 491 [2021-07-10 05:40:03,936 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 260 [2021-07-10 05:40:04,800 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 289 [2021-07-10 05:40:05,080 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 317 [2021-07-10 05:40:05,464 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 433 [2021-07-10 05:40:06,160 WARN L205 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 821 DAG size of output: 666 [2021-07-10 05:40:07,178 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 945 DAG size of output: 803 [2021-07-10 05:40:07,351 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 354 [2021-07-10 05:40:08,040 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 338 [2021-07-10 05:40:08,212 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 377 [2021-07-10 05:40:08,483 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 443 [2021-07-10 05:40:09,719 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 1314 DAG size of output: 1007 [2021-07-10 05:40:11,535 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 1586 DAG size of output: 1355 [2021-07-10 05:40:16,279 WARN L205 SmtUtils]: Spent 4.74 s on a formula simplification. DAG size of input: 2617 DAG size of output: 2064 [2021-07-10 05:40:22,814 WARN L205 SmtUtils]: Spent 6.52 s on a formula simplification. DAG size of input: 2989 DAG size of output: 2220 [2021-07-10 05:40:30,150 WARN L205 SmtUtils]: Spent 7.32 s on a formula simplification. DAG size of input: 3049 DAG size of output: 2305 [2021-07-10 05:40:30,801 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 573 [2021-07-10 05:40:31,376 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 265 [2021-07-10 05:40:31,498 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 296 [2021-07-10 05:40:31,660 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 358 [2021-07-10 05:40:32,360 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 451 [2021-07-10 05:40:33,283 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 215 [2021-07-10 05:40:33,441 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 254 [2021-07-10 05:40:33,656 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 348 [2021-07-10 05:40:33,955 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 399 [2021-07-10 05:40:34,316 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 425 [2021-07-10 05:40:34,779 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 485 [2021-07-10 05:40:35,320 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 521 [2021-07-10 05:40:36,604 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 328 [2021-07-10 05:40:36,855 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 369 [2021-07-10 05:40:37,174 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 394 [2021-07-10 05:40:37,641 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 433 [2021-07-10 05:40:38,160 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 517 [2021-07-10 05:40:38,803 WARN L205 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 580 [2021-07-10 05:40:40,115 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 978 DAG size of output: 863 [2021-07-10 05:40:41,031 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 202 [2021-07-10 05:40:41,190 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 256 [2021-07-10 05:40:41,440 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 384 [2021-07-10 05:40:41,766 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 442 [2021-07-10 05:40:41,957 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 292 [2021-07-10 05:40:42,614 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 328 [2021-07-10 05:40:42,832 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 391 [2021-07-10 05:40:43,119 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 450 [2021-07-10 05:40:43,816 WARN L205 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 639 [2021-07-10 05:40:44,905 WARN L205 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 800 DAG size of output: 715 [2021-07-10 05:40:47,343 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 1872 DAG size of output: 1482 [2021-07-10 05:40:50,579 WARN L205 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 2070 DAG size of output: 1568 [2021-07-10 05:40:50,716 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 361 [2021-07-10 05:40:51,328 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 344 [2021-07-10 05:40:51,518 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 367 [2021-07-10 05:40:52,112 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 246 [2021-07-10 05:40:52,487 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 486 [2021-07-10 05:40:53,523 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 243 [2021-07-10 05:40:53,669 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 266 [2021-07-10 05:40:53,863 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 324 [2021-07-10 05:40:54,150 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 457 [2021-07-10 05:40:54,553 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 599 [2021-07-10 05:40:55,416 WARN L205 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 817 [2021-07-10 05:40:56,553 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 1006 DAG size of output: 867 [2021-07-10 05:40:57,756 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 388 [2021-07-10 05:40:57,983 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 406 [2021-07-10 05:40:58,258 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 422 [2021-07-10 05:40:58,615 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 470 [2021-07-10 05:41:00,332 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 1433 DAG size of output: 1082 [2021-07-10 05:41:05,434 WARN L205 SmtUtils]: Spent 5.09 s on a formula simplification. DAG size of input: 2994 DAG size of output: 2129 [2021-07-10 05:41:11,238 WARN L205 SmtUtils]: Spent 5.79 s on a formula simplification. DAG size of input: 3038 DAG size of output: 2179 [2021-07-10 05:41:25,705 WARN L205 SmtUtils]: Spent 14.45 s on a formula simplification. DAG size of input: 5719 DAG size of output: 3928 [2021-07-10 05:41:53,528 WARN L205 SmtUtils]: Spent 27.80 s on a formula simplification. DAG size of input: 8989 DAG size of output: 5710 [2021-07-10 05:41:54,545 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 329 [2021-07-10 05:41:54,731 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 340 [2021-07-10 05:42:25,812 WARN L205 SmtUtils]: Spent 31.07 s on a formula simplification. DAG size of input: 9287 DAG size of output: 5929 [2021-07-10 05:43:02,933 WARN L205 SmtUtils]: Spent 37.08 s on a formula simplification. DAG size of input: 10982 DAG size of output: 7649 [2021-07-10 05:43:04,004 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 295 [2021-07-10 05:43:04,209 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 410 [2021-07-10 05:43:04,441 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 416 [2021-07-10 05:43:41,885 WARN L205 SmtUtils]: Spent 37.43 s on a formula simplification. DAG size of input: 11394 DAG size of output: 7943 [2021-07-10 05:44:19,960 WARN L205 SmtUtils]: Spent 38.02 s on a formula simplification. DAG size of input: 11649 DAG size of output: 8097 [2021-07-10 05:45:05,340 WARN L205 SmtUtils]: Spent 45.33 s on a formula simplification. DAG size of input: 12976 DAG size of output: 9218 [2021-07-10 05:45:08,811 WARN L205 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1636 [2021-07-10 05:45:08,967 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 1238 [2021-07-10 05:45:10,384 WARN L205 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 1216 [2021-07-10 05:45:11,008 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 240 [2021-07-10 05:45:13,875 WARN L205 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 1215 DAG size of output: 1779 [2021-07-10 05:45:14,025 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 1093 DAG size of output: 1093 [2021-07-10 05:45:14,161 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 1052 DAG size of output: 1052 [2021-07-10 05:45:15,252 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 686 DAG size of output: 991 [2021-07-10 05:45:15,930 WARN L205 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 739 [2021-07-10 05:45:16,842 WARN L205 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 766 [2021-07-10 05:45:17,600 WARN L205 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 791 [2021-07-10 05:45:17,938 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 441 [2021-07-10 05:45:18,682 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2021-07-10 05:45:18,869 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 291 [2021-07-10 05:45:19,273 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 348 [2021-07-10 05:45:19,609 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 453 [2021-07-10 05:45:20,017 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 477 [2021-07-10 05:45:21,313 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 207 [2021-07-10 05:45:21,546 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 417 [2021-07-10 05:45:21,873 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 435 [2021-07-10 05:45:22,676 WARN L205 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 758 [2021-07-10 05:45:23,701 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1152 DAG size of output: 843 [2021-07-10 05:45:25,100 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1015 [2021-07-10 05:45:25,991 WARN L205 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 765 [2021-07-10 05:45:27,051 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 675 DAG size of output: 790 [2021-07-10 05:45:27,348 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 428 [2021-07-10 05:45:28,012 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 281 [2021-07-10 05:45:28,217 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 391 [2021-07-10 05:45:28,564 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 464 [2021-07-10 05:45:28,814 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 267 [2021-07-10 05:45:29,447 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2021-07-10 05:45:29,627 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2021-07-10 05:45:30,438 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 265 [2021-07-10 05:45:30,629 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 290 [2021-07-10 05:45:31,030 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 384 [2021-07-10 05:45:31,962 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 261 [2021-07-10 05:45:32,501 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 319 [2021-07-10 05:45:32,789 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 344 [2021-07-10 05:45:33,583 WARN L205 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 516 [2021-07-10 05:45:34,600 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 592 DAG size of output: 578 [2021-07-10 05:45:35,865 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 819 DAG size of output: 697 [2021-07-10 05:45:37,582 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 1184 DAG size of output: 905 [2021-07-10 05:45:39,770 WARN L205 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 1312 DAG size of output: 996 [2021-07-10 05:45:42,494 WARN L205 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 1416 DAG size of output: 1170 [2021-07-10 05:45:46,947 WARN L205 SmtUtils]: Spent 4.45 s on a formula simplification. DAG size of input: 1833 DAG size of output: 1517 [2021-07-10 05:45:53,018 WARN L205 SmtUtils]: Spent 6.06 s on a formula simplification. DAG size of input: 2174 DAG size of output: 1614 [2021-07-10 05:45:53,409 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 546 [2021-07-10 05:45:53,601 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 391 [2021-07-10 05:45:53,800 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 417 [2021-07-10 05:45:54,138 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 455 [2021-07-10 05:45:55,660 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 216 [2021-07-10 05:45:55,825 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 246 [2021-07-10 05:45:56,074 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 330 [2021-07-10 05:45:56,453 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 454 [2021-07-10 05:45:56,975 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 572 [2021-07-10 05:45:57,099 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 304 [2021-07-10 05:45:57,265 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 323 [2021-07-10 05:45:58,467 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 162 [2021-07-10 05:45:58,626 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 220 [2021-07-10 05:45:58,839 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 247 [2021-07-10 05:45:59,123 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 336 [2021-07-10 05:45:59,485 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 404 [2021-07-10 05:46:00,057 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 290 [2021-07-10 05:46:00,639 WARN L205 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 847 DAG size of output: 578 [2021-07-10 05:46:01,857 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 933 DAG size of output: 641 [2021-07-10 05:46:03,289 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 960 DAG size of output: 668 [2021-07-10 05:46:05,191 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 1138 DAG size of output: 701 [2021-07-10 05:46:05,427 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 487 [2021-07-10 05:46:05,692 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-07-10 05:46:05,856 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-07-10 05:46:06,032 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 362 [2021-07-10 05:46:07,004 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 151 [2021-07-10 05:46:07,137 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 219 [2021-07-10 05:46:07,336 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 243 [2021-07-10 05:46:07,595 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 341 [2021-07-10 05:46:07,933 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 403 [2021-07-10 05:46:08,399 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 476 [2021-07-10 05:46:08,575 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-07-10 05:46:08,748 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-07-10 05:46:09,849 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 313 [2021-07-10 05:46:10,019 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 333 [2021-07-10 05:46:10,290 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 401 [2021-07-10 05:46:10,671 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 471 [2021-07-10 05:46:11,628 WARN L205 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 837 DAG size of output: 632 [2021-07-10 05:46:12,913 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1009 DAG size of output: 667 [2021-07-10 05:46:16,106 WARN L205 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 1961 DAG size of output: 1076 [2021-07-10 05:46:25,530 WARN L205 SmtUtils]: Spent 9.41 s on a formula simplification. DAG size of input: 3390 DAG size of output: 2173 [2021-07-10 05:46:36,589 WARN L205 SmtUtils]: Spent 10.69 s on a formula simplification. DAG size of input: 3507 DAG size of output: 2263 [2021-07-10 05:46:49,333 WARN L205 SmtUtils]: Spent 12.73 s on a formula simplification. DAG size of input: 4235 DAG size of output: 2787 [2021-07-10 05:47:02,072 WARN L205 SmtUtils]: Spent 12.72 s on a formula simplification. DAG size of input: 4456 DAG size of output: 2926 [2021-07-10 05:47:15,067 WARN L205 SmtUtils]: Spent 12.98 s on a formula simplification. DAG size of input: 4635 DAG size of output: 3051 [2021-07-10 05:47:30,035 WARN L205 SmtUtils]: Spent 14.95 s on a formula simplification. DAG size of input: 5120 DAG size of output: 3306 [2021-07-10 05:48:32,488 WARN L205 SmtUtils]: Spent 1.04 m on a formula simplification. DAG size of input: 16679 DAG size of output: 11341 [2021-07-10 05:49:41,077 WARN L205 SmtUtils]: Spent 1.14 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 [2021-07-10 05:50:49,558 WARN L205 SmtUtils]: Spent 1.14 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown