/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-cond-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 05:40:39,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 05:40:39,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 05:40:39,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 05:40:40,015 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 05:40:40,048 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 05:40:40,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 05:40:40,049 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 05:40:40,049 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 05:40:40,051 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 05:40:40,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 05:40:40,051 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 05:40:40,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 05:40:40,052 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 05:40:40,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 05:40:40,052 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 05:40:40,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 05:40:40,069 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 05:40:40,069 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 05:40:40,069 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 05:40:40,070 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 05:40:40,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 05:40:40,070 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 05:40:40,070 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 05:40:40,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 05:40:40,070 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 05:40:40,070 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 05:40:40,070 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 05:40:40,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 05:40:40,071 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 05:40:40,071 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 05:40:40,071 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 05:40:40,071 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 05:40:40,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 05:40:40,071 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 05:40:40,071 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 05:40:40,071 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 05:40:40,071 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-10 05:40:40,071 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 05:40:40,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 05:40:40,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 05:40:40,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 05:40:40,315 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 05:40:40,316 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 05:40:40,316 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl [2021-07-10 05:40:40,316 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl' [2021-07-10 05:40:40,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 05:40:40,334 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 05:40:40,336 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 05:40:40,336 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 05:40:40,337 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 05:40:40,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:40:40" (1/1) ... [2021-07-10 05:40:40,351 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:40:40" (1/1) ... [2021-07-10 05:40:40,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 05:40:40,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 05:40:40,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 05:40:40,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 05:40:40,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:40:40" (1/1) ... [2021-07-10 05:40:40,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:40:40" (1/1) ... [2021-07-10 05:40:40,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:40:40" (1/1) ... [2021-07-10 05:40:40,365 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:40:40" (1/1) ... [2021-07-10 05:40:40,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:40:40" (1/1) ... [2021-07-10 05:40:40,368 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:40:40" (1/1) ... [2021-07-10 05:40:40,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:40:40" (1/1) ... [2021-07-10 05:40:40,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 05:40:40,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 05:40:40,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 05:40:40,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 05:40:40,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:40:40" (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 05:40:40,445 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 05:40:40,446 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 05:40:40,446 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 05:40:40,446 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 05:40:40,446 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 05:40:40,446 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 05:40:40,446 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 05:40:40,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 05:40:40,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 05:40:40,448 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 05:40:40,788 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 05:40:40,788 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-10 05:40:40,789 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-10 05:40:40,790 INFO L202 PluginConnector]: Adding new model unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 05:40:40 BoogieIcfgContainer [2021-07-10 05:40:40,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 05:40:40,791 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 05:40:40,791 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 05:40:40,793 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 05:40:40,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:40:40" (1/2) ... [2021-07-10 05:40:40,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a0a1fe9 and model type unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 05:40:40, skipping insertion in model container [2021-07-10 05:40:40,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 05:40:40" (2/2) ... [2021-07-10 05:40:40,795 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-4.wvr.bpl [2021-07-10 05:40:40,822 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 05:40:40,823 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 05:40:40,823 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 05:40:40,823 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 05:40:40,867 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 05:40:40,889 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) [2021-07-10 05:40:40,951 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 05:40:40,951 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 05:40:40,951 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 05:40:40,951 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 05:40:40,951 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 05:40:40,951 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 05:40:40,951 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 05:40:40,951 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 05:40:40,999 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:40:41,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:40:41,002 INFO L82 PathProgramCache]: Analyzing trace with hash 398626867, now seen corresponding path program 1 times [2021-07-10 05:40:41,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:40:41,008 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796977862] [2021-07-10 05:40:41,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:40:41,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:40:41,159 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 05:40:41,159 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:40:41,159 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796977862] [2021-07-10 05:40:41,160 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796977862] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 05:40:41,160 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 05:40:41,160 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-10 05:40:41,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651012395] [2021-07-10 05:40:41,163 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-10 05:40:41,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:40:41,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-10 05:40:41,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-10 05:40:41,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:41,172 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:40:41,174 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 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 05:40:41,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:41,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:41,206 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 05:40:41,206 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:40:41,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:40:41,209 INFO L82 PathProgramCache]: Analyzing trace with hash 941233489, now seen corresponding path program 1 times [2021-07-10 05:40:41,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:40:41,210 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130254704] [2021-07-10 05:40:41,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:40:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:40:41,392 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 05:40:41,392 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:40:41,393 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130254704] [2021-07-10 05:40:41,393 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130254704] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:41,393 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262252247] [2021-07-10 05:40:41,393 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) [2021-07-10 05:40:41,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:40:41,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-10 05:40:41,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:40:41,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-10 05:40:41,616 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:40:41,618 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:40:41,618 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 05:40:41,619 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-07-10 05:40:41,631 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 05:40:41,632 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1262252247] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:41,632 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:40:41,632 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-07-10 05:40:41,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711181243] [2021-07-10 05:40:41,633 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-10 05:40:41,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:40:41,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-10 05:40:41,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-07-10 05:40:41,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:41,640 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:40:41,640 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 05:40:41,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:41,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:41,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:41,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:41,896 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:40:41,897 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:40:41,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:40:41,897 INFO L82 PathProgramCache]: Analyzing trace with hash 582169587, now seen corresponding path program 2 times [2021-07-10 05:40:41,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:40:41,898 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394794791] [2021-07-10 05:40:41,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:40:41,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:40:42,059 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:42,059 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:40:42,059 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394794791] [2021-07-10 05:40:42,059 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394794791] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:42,059 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1339655143] [2021-07-10 05:40:42,060 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:40:42,085 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 05:40:42,085 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:40:42,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-10 05:40:42,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:40:42,214 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:40:42,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 18 [2021-07-10 05:40:42,217 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:40:42,218 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:40:42,219 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 05:40:42,219 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-07-10 05:40:42,226 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:42,226 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1339655143] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:42,226 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:40:42,226 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-07-10 05:40:42,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008369260] [2021-07-10 05:40:42,227 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-10 05:40:42,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:40:42,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-10 05:40:42,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-07-10 05:40:42,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:42,227 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:40:42,228 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:40:42,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:42,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:42,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:42,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:42,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:42,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:42,528 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:40:42,529 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:40:42,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:40:42,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1958876783, now seen corresponding path program 3 times [2021-07-10 05:40:42,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:40:42,530 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222319231] [2021-07-10 05:40:42,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:40:42,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:40:42,638 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:42,639 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:40:42,639 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222319231] [2021-07-10 05:40:42,639 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222319231] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:42,639 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784778110] [2021-07-10 05:40:42,639 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:40:42,725 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 05:40:42,725 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:40:42,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-10 05:40:42,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:40:42,926 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:40:42,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-07-10 05:40:42,948 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:40:42,950 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:40:42,951 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 05:40:42,951 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-07-10 05:40:42,963 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:42,963 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1784778110] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:42,963 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:40:42,963 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-07-10 05:40:42,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405101713] [2021-07-10 05:40:42,964 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-10 05:40:42,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:40:42,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-10 05:40:42,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-07-10 05:40:42,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:42,966 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:40:42,966 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 10 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 05:40:42,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:42,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:42,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:42,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:43,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:43,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:43,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:43,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:40:43,250 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:40:43,251 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:40:43,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:40:43,251 INFO L82 PathProgramCache]: Analyzing trace with hash 873064371, now seen corresponding path program 4 times [2021-07-10 05:40:43,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:40:43,251 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850484287] [2021-07-10 05:40:43,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:40:43,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:40:43,281 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:43,281 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:40:43,281 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850484287] [2021-07-10 05:40:43,281 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850484287] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:43,281 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1362937016] [2021-07-10 05:40:43,281 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:40:43,316 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 05:40:43,317 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:40:43,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-10 05:40:43,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:40:43,348 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:43,348 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1362937016] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:43,348 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:40:43,348 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-07-10 05:40:43,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386318831] [2021-07-10 05:40:43,349 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-10 05:40:43,349 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:40:43,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-10 05:40:43,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-07-10 05:40:43,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:43,349 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:40:43,349 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 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 05:40:43,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:43,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:43,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:43,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:40:43,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:43,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:43,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:43,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:43,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:40:43,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:43,628 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-07-10 05:40:43,628 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:40:43,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:40:43,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1986744626, now seen corresponding path program 1 times [2021-07-10 05:40:43,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:40:43,629 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190463878] [2021-07-10 05:40:43,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:40:43,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:40:43,713 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 05:40:43,713 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:40:43,713 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190463878] [2021-07-10 05:40:43,713 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190463878] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:43,713 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296759876] [2021-07-10 05:40:43,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 05:40:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:40:43,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-10 05:40:43,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:40:43,979 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:40:43,979 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 05:40:44,013 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:40:44,014 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:40:44,015 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 05:40:44,015 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-07-10 05:40:44,020 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 05:40:44,020 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1296759876] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:44,020 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:40:44,020 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-07-10 05:40:44,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559983540] [2021-07-10 05:40:44,021 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-10 05:40:44,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:40:44,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-10 05:40:44,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2021-07-10 05:40:44,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:44,021 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:40:44,021 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:40:44,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:44,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:44,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:44,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:40:44,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:44,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:44,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:44,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:44,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:44,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:40:44,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:44,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:40:44,406 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:40:44,406 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:40:44,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:40:44,407 INFO L82 PathProgramCache]: Analyzing trace with hash 472927956, now seen corresponding path program 2 times [2021-07-10 05:40:44,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:40:44,407 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796381665] [2021-07-10 05:40:44,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:40:44,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:40:44,506 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:44,506 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:40:44,506 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796381665] [2021-07-10 05:40:44,506 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796381665] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:44,506 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1259823990] [2021-07-10 05:40:44,506 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 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 05:40:44,547 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 05:40:44,548 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:40:44,548 WARN L261 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 36 conjunts are in the unsatisfiable core [2021-07-10 05:40:44,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:40:44,757 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:40:44,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 27 treesize of output 99 [2021-07-10 05:40:44,862 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:40:44,863 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:40:44,864 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 05:40:44,864 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-07-10 05:40:44,869 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:44,869 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1259823990] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:44,869 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:40:44,869 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-07-10 05:40:44,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367285062] [2021-07-10 05:40:44,870 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-10 05:40:44,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:40:44,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-10 05:40:44,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-07-10 05:40:44,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:44,870 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:40:44,870 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:40:44,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:44,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:44,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:40:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:40:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:45,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:45,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:45,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:45,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:40:45,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:45,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:40:45,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:40:45,279 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-07-10 05:40:45,279 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:40:45,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:40:45,280 INFO L82 PathProgramCache]: Analyzing trace with hash 789251442, now seen corresponding path program 3 times [2021-07-10 05:40:45,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:40:45,280 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149756935] [2021-07-10 05:40:45,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:40:45,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:40:45,400 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:45,400 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:40:45,400 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149756935] [2021-07-10 05:40:45,400 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149756935] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:45,400 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1462469771] [2021-07-10 05:40:45,400 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 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 05:40:45,426 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-10 05:40:45,427 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:40:45,427 WARN L261 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 42 conjunts are in the unsatisfiable core [2021-07-10 05:40:45,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:40:45,694 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:40:45,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 31 treesize of output 142 [2021-07-10 05:40:45,973 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:40:45,974 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:40:45,975 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 05:40:45,975 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-07-10 05:40:45,980 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:45,980 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1462469771] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:45,980 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:40:45,980 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-07-10 05:40:45,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158968358] [2021-07-10 05:40:45,981 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-10 05:40:45,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:40:45,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-10 05:40:45,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2021-07-10 05:40:45,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:45,981 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:40:45,982 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.380952380952381) internal successors, (29), 20 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:40:45,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:45,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:45,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:45,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:40:45,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:45,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:40:45,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:40:45,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:46,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:46,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:46,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:46,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:40:46,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:46,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:40:46,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:40:46,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:40:46,400 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-07-10 05:40:46,401 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:40:46,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:40:46,401 INFO L82 PathProgramCache]: Analyzing trace with hash 2005344916, now seen corresponding path program 4 times [2021-07-10 05:40:46,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:40:46,401 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992975054] [2021-07-10 05:40:46,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:40:46,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:40:46,496 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:46,496 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:40:46,496 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992975054] [2021-07-10 05:40:46,496 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992975054] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:46,496 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [994393469] [2021-07-10 05:40:46,496 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-07-10 05:40:46,527 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 05:40:46,527 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:40:46,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-10 05:40:46,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:40:46,841 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:40:46,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 35 treesize of output 193 [2021-07-10 05:40:47,425 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:40:47,426 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:40:47,426 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 05:40:47,426 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:3 [2021-07-10 05:40:47,431 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:47,431 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [994393469] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:47,431 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:40:47,431 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-07-10 05:40:47,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976429691] [2021-07-10 05:40:47,432 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-10 05:40:47,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:40:47,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-10 05:40:47,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-07-10 05:40:47,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:47,432 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:40:47,433 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 20 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:40:47,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:47,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:47,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:47,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:40:47,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:47,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:40:47,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:40:47,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:40:47,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:47,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:47,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:47,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:47,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:40:47,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:47,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:40:47,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:40:47,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:40:47,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:40:47,877 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:40:47,877 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:40:47,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:40:47,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1049536946, now seen corresponding path program 5 times [2021-07-10 05:40:47,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:40:47,878 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938351915] [2021-07-10 05:40:47,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:40:47,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:40:47,939 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 21 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:47,939 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:40:47,939 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938351915] [2021-07-10 05:40:47,939 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938351915] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:47,939 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869279515] [2021-07-10 05:40:47,939 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 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 05:40:47,973 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-10 05:40:47,973 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:40:47,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 05:40:47,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:40:48,026 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:48,026 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869279515] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:48,027 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:40:48,027 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2021-07-10 05:40:48,027 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132640438] [2021-07-10 05:40:48,027 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-10 05:40:48,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:40:48,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-10 05:40:48,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-07-10 05:40:48,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:48,028 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:40:48,028 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 12 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 05:40:48,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:48,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:48,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:48,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:40:48,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:48,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:40:48,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:40:48,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:40:48,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:40:48,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:48,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:48,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:48,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:48,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:40:48,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:48,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:40:48,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:40:48,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:40:48,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:40:48,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:40:48,388 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable199 [2021-07-10 05:40:48,389 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:40:48,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:40:48,389 INFO L82 PathProgramCache]: Analyzing trace with hash -1132540141, now seen corresponding path program 6 times [2021-07-10 05:40:48,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:40:48,390 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502601725] [2021-07-10 05:40:48,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:40:48,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:40:48,530 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 05:40:48,530 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:40:48,530 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502601725] [2021-07-10 05:40:48,530 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502601725] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:48,531 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384427479] [2021-07-10 05:40:48,531 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 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 05:40:48,562 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-10 05:40:48,562 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:40:48,563 WARN L261 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 43 conjunts are in the unsatisfiable core [2021-07-10 05:40:48,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:40:48,969 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:40:48,970 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 05:40:50,759 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:40:50,760 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:40:50,760 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 05:40:50,760 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-07-10 05:40:50,765 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 05:40:50,765 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1384427479] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:50,765 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:40:50,765 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2021-07-10 05:40:50,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752146373] [2021-07-10 05:40:50,765 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-10 05:40:50,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:40:50,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-10 05:40:50,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2021-07-10 05:40:50,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:50,766 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:40:50,766 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 26 states have internal predecessors, (35), 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 05:40:50,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:50,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:50,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:50,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:40:50,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:50,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:40:50,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:40:50,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:40:50,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:40:50,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:40:50,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:51,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:51,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:51,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:51,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:40:51,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:51,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:40:51,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:40:51,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:40:51,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:40:51,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:40:51,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:40:51,420 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable200 [2021-07-10 05:40:51,420 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:40:51,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:40:51,421 INFO L82 PathProgramCache]: Analyzing trace with hash -540997967, now seen corresponding path program 7 times [2021-07-10 05:40:51,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:40:51,421 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343559853] [2021-07-10 05:40:51,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:40:51,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:40:51,608 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:51,609 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:40:51,609 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343559853] [2021-07-10 05:40:51,609 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343559853] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:51,609 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [240809295] [2021-07-10 05:40:51,609 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 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 05:40:51,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:40:51,636 WARN L261 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 56 conjunts are in the unsatisfiable core [2021-07-10 05:40:51,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:40:52,155 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-07-10 05:40:52,155 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:40:52,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 43 treesize of output 319 [2021-07-10 05:40:53,105 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 231 [2021-07-10 05:40:53,226 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 269 [2021-07-10 05:40:53,959 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 192 [2021-07-10 05:40:54,066 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 214 [2021-07-10 05:40:54,221 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 247 [2021-07-10 05:40:54,520 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-07-10 05:40:54,818 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-07-10 05:40:55,164 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 387 [2021-07-10 05:40:55,608 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 257 [2021-07-10 05:40:56,283 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-07-10 05:40:56,424 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-07-10 05:40:56,622 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 282 [2021-07-10 05:40:57,592 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:40:57,593 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:40:57,594 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 05:40:57,594 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-07-10 05:40:57,598 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:57,598 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [240809295] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:57,598 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:40:57,598 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2021-07-10 05:40:57,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138245371] [2021-07-10 05:40:57,599 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-10 05:40:57,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:40:57,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-10 05:40:57,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=742, Unknown=0, NotChecked=0, Total=812 [2021-07-10 05:40:57,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:57,600 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:40:57,600 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 28 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 05:40:57,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:57,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:57,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:57,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:40:57,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:57,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:40:57,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:40:57,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:40:57,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:40:57,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:40:57,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:40:57,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:58,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:58,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:58,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:58,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:40:58,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:58,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:40:58,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:40:58,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:40:58,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:40:58,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:40:58,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:40:58,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:40:58,217 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable444 [2021-07-10 05:40:58,217 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:40:58,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:40:58,218 INFO L82 PathProgramCache]: Analyzing trace with hash 616940243, now seen corresponding path program 8 times [2021-07-10 05:40:58,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:40:58,218 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384524459] [2021-07-10 05:40:58,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:40:58,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:40:58,443 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:58,443 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:40:58,443 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384524459] [2021-07-10 05:40:58,443 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384524459] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:58,443 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1785947704] [2021-07-10 05:40:58,443 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 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 05:40:58,470 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 05:40:58,471 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:40:58,471 WARN L261 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 60 conjunts are in the unsatisfiable core [2021-07-10 05:40:58,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:40:59,041 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-07-10 05:40:59,041 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:40:59,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 19 new quantified variables, introduced 45 case distinctions, treesize of input 47 treesize of output 394 [2021-07-10 05:41:00,043 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 265 [2021-07-10 05:41:00,224 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-07-10 05:41:00,401 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-07-10 05:41:00,617 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 298 [2021-07-10 05:41:01,005 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 419 [2021-07-10 05:41:01,213 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 367 [2021-07-10 05:41:01,463 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 330 [2021-07-10 05:41:01,666 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 298 [2021-07-10 05:41:02,141 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 261 [2021-07-10 05:41:02,921 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 358 [2021-07-10 05:41:03,163 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 329 [2021-07-10 05:41:03,285 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 245 [2021-07-10 05:41:04,440 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 356 [2021-07-10 05:41:04,905 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 494 [2021-07-10 05:41:05,107 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 304 [2021-07-10 05:41:06,011 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 239 [2021-07-10 05:41:06,515 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 245 [2021-07-10 05:41:06,856 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 207 [2021-07-10 05:41:06,981 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 219 [2021-07-10 05:41:07,256 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 342 [2021-07-10 05:41:08,053 WARN L205 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-07-10 05:41:08,843 WARN L205 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-07-10 05:41:09,722 WARN L205 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 1050 DAG size of output: 663 [2021-07-10 05:41:10,759 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 665 DAG size of output: 835 [2021-07-10 05:41:10,941 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 361 [2021-07-10 05:41:11,761 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 271 [2021-07-10 05:41:12,110 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 538 [2021-07-10 05:41:12,543 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 342 [2021-07-10 05:41:13,043 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-07-10 05:41:13,537 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-07-10 05:41:14,089 WARN L205 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 465 [2021-07-10 05:41:14,673 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 616 [2021-07-10 05:41:14,924 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 373 [2021-07-10 05:41:15,132 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 375 [2021-07-10 05:41:15,342 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 343 [2021-07-10 05:41:15,946 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 261 [2021-07-10 05:41:16,063 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 277 [2021-07-10 05:41:16,666 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 380 [2021-07-10 05:41:16,955 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 437 [2021-07-10 05:41:17,720 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 197 [2021-07-10 05:41:18,195 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 899 DAG size of output: 562 [2021-07-10 05:41:18,725 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 436 [2021-07-10 05:41:19,756 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 254 [2021-07-10 05:41:20,668 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 422 [2021-07-10 05:41:21,779 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 819 DAG size of output: 545 [2021-07-10 05:41:22,867 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-07-10 05:41:23,941 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-07-10 05:41:25,090 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 1554 DAG size of output: 954 [2021-07-10 05:41:25,256 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 611 [2021-07-10 05:41:25,602 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 447 [2021-07-10 05:41:26,296 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 294 [2021-07-10 05:41:26,465 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-07-10 05:41:26,634 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-07-10 05:41:26,814 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 634 DAG size of output: 338 [2021-07-10 05:41:26,991 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 321 [2021-07-10 05:41:27,308 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:41:27,310 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:41:27,310 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 05:41:27,310 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-07-10 05:41:27,315 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:41:27,315 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1785947704] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:41:27,315 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:41:27,315 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-07-10 05:41:27,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601502545] [2021-07-10 05:41:27,315 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-10 05:41:27,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:41:27,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-10 05:41:27,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=855, Unknown=0, NotChecked=0, Total=930 [2021-07-10 05:41:27,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:41:27,316 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:41:27,316 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 30 states have internal predecessors, (39), 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 05:41:27,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:41:27,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:41:27,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:41:27,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:41:27,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:41:27,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:41:27,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:41:27,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:41:27,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:41:27,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:41:27,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:41:27,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:41:27,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:41:27,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:41:27,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:41:27,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:41:27,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:41:27,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:41:27,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:41:27,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:41:27,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:41:27,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:41:27,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:41:27,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:41:27,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:41:27,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 05:41:27,953 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable903 [2021-07-10 05:41:27,953 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:41:27,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:41:27,953 INFO L82 PathProgramCache]: Analyzing trace with hash -2141680911, now seen corresponding path program 9 times [2021-07-10 05:41:27,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:41:27,953 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389256191] [2021-07-10 05:41:27,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:41:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:41:28,146 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:41:28,146 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:41:28,146 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389256191] [2021-07-10 05:41:28,146 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389256191] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:41:28,146 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181203113] [2021-07-10 05:41:28,146 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 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 05:41:28,177 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-10 05:41:28,177 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:41:28,178 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 51 conjunts are in the unsatisfiable core [2021-07-10 05:41:28,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:41:28,761 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-07-10 05:41:28,761 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:41:28,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 21 new quantified variables, introduced 55 case distinctions, treesize of input 51 treesize of output 477 [2021-07-10 05:41:30,012 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 351 [2021-07-10 05:41:30,192 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 372 [2021-07-10 05:41:30,400 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 408 [2021-07-10 05:41:31,674 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 389 [2021-07-10 05:41:31,876 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 409 [2021-07-10 05:41:32,114 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 445 [2021-07-10 05:41:32,663 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 727 [2021-07-10 05:41:33,218 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 1110 DAG size of output: 728 [2021-07-10 05:41:33,881 WARN L205 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 753 [2021-07-10 05:41:34,663 WARN L205 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 1155 DAG size of output: 775 [2021-07-10 05:41:35,569 WARN L205 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-07-10 05:41:36,472 WARN L205 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-07-10 05:41:37,555 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 1192 DAG size of output: 813 [2021-07-10 05:41:39,888 WARN L205 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 815 DAG size of output: 982 [2021-07-10 05:41:41,629 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 786 DAG size of output: 884 [2021-07-10 05:41:42,699 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 765 DAG size of output: 798 [2021-07-10 05:41:44,303 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 754 DAG size of output: 1042 [2021-07-10 05:41:45,154 WARN L205 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 844 [2021-07-10 05:41:45,489 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 317 [2021-07-10 05:41:46,425 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 179 [2021-07-10 05:41:46,541 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 256 [2021-07-10 05:41:46,695 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-07-10 05:41:47,746 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 230 [2021-07-10 05:41:47,937 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 252 [2021-07-10 05:41:48,140 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 259 [2021-07-10 05:41:49,007 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 199 [2021-07-10 05:41:49,331 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 331 [2021-07-10 05:41:49,741 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 350 [2021-07-10 05:41:50,874 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 213 [2021-07-10 05:41:51,049 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 217 [2021-07-10 05:41:51,572 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 246 [2021-07-10 05:41:52,070 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 331 [2021-07-10 05:41:52,234 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 262 [2021-07-10 05:41:52,458 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 324 [2021-07-10 05:41:52,619 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 244 [2021-07-10 05:41:53,252 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 257 [2021-07-10 05:41:53,536 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 218 [2021-07-10 05:41:53,662 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 210 [2021-07-10 05:41:53,828 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 228 [2021-07-10 05:41:53,992 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 241 [2021-07-10 05:41:54,578 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 210 [2021-07-10 05:41:55,235 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 238 [2021-07-10 05:41:55,406 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 282 [2021-07-10 05:41:55,639 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 300 [2021-07-10 05:41:55,971 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 296 [2021-07-10 05:41:57,342 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 216 [2021-07-10 05:41:57,500 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 235 [2021-07-10 05:41:57,975 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 834 DAG size of output: 313 [2021-07-10 05:41:59,055 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 1222 DAG size of output: 455 [2021-07-10 05:42:00,549 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1424 DAG size of output: 577 [2021-07-10 05:42:00,719 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 277 [2021-07-10 05:42:00,933 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 283 [2021-07-10 05:42:01,084 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 273 [2021-07-10 05:42:01,917 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 239 [2021-07-10 05:42:02,089 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 285 [2021-07-10 05:42:02,453 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 219 [2021-07-10 05:42:03,401 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 247 [2021-07-10 05:42:03,647 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 311 [2021-07-10 05:42:04,193 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 158 [2021-07-10 05:42:04,733 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 186 [2021-07-10 05:42:04,952 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 201 [2021-07-10 05:42:05,455 WARN L205 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 400 [2021-07-10 05:42:06,107 WARN L205 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 483 [2021-07-10 05:42:06,867 WARN L205 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 720 DAG size of output: 507 [2021-07-10 05:42:08,244 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 251 [2021-07-10 05:42:08,405 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 272 [2021-07-10 05:42:08,656 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 285 [2021-07-10 05:42:08,942 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 288 [2021-07-10 05:42:09,657 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 226 [2021-07-10 05:42:10,123 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 208 [2021-07-10 05:42:10,371 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 282 [2021-07-10 05:42:10,912 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 216 [2021-07-10 05:42:11,273 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 311 [2021-07-10 05:42:11,652 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 354 [2021-07-10 05:42:12,615 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 217 [2021-07-10 05:42:12,782 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 217 [2021-07-10 05:42:13,448 WARN L205 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 451 [2021-07-10 05:42:14,208 WARN L205 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 723 DAG size of output: 463 [2021-07-10 05:42:15,533 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1029 DAG size of output: 672 [2021-07-10 05:42:17,718 WARN L205 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 1517 DAG size of output: 968 [2021-07-10 05:42:18,714 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 286 [2021-07-10 05:42:18,888 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 287 [2021-07-10 05:42:19,537 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 312 [2021-07-10 05:42:20,245 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 325 [2021-07-10 05:42:20,625 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 328 [2021-07-10 05:42:20,773 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-07-10 05:42:21,582 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 212 [2021-07-10 05:42:21,771 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 288 [2021-07-10 05:42:22,492 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 142 [2021-07-10 05:42:22,655 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 171 [2021-07-10 05:42:22,861 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2021-07-10 05:42:23,289 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 373 [2021-07-10 05:42:24,337 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 452 [2021-07-10 05:42:24,935 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 211 [2021-07-10 05:42:25,417 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 235 [2021-07-10 05:42:25,674 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 297 [2021-07-10 05:42:26,225 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 227 [2021-07-10 05:42:26,672 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 393 [2021-07-10 05:42:27,130 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 397 [2021-07-10 05:42:27,934 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 222 [2021-07-10 05:42:28,285 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 264 [2021-07-10 05:42:29,143 WARN L205 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 541 [2021-07-10 05:42:30,183 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 680 DAG size of output: 566 [2021-07-10 05:42:31,753 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 1012 DAG size of output: 839 [2021-07-10 05:42:34,196 WARN L205 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 1410 DAG size of output: 1099 [2021-07-10 05:42:39,283 WARN L205 SmtUtils]: Spent 5.08 s on a formula simplification. DAG size of input: 2226 DAG size of output: 1704 [2021-07-10 05:42:46,080 WARN L205 SmtUtils]: Spent 6.78 s on a formula simplification. DAG size of input: 3213 DAG size of output: 1793 [2021-07-10 05:42:54,600 WARN L205 SmtUtils]: Spent 8.50 s on a formula simplification. DAG size of input: 3741 DAG size of output: 2301 [2021-07-10 05:43:04,625 WARN L205 SmtUtils]: Spent 10.01 s on a formula simplification. DAG size of input: 4093 DAG size of output: 2511 [2021-07-10 05:43:05,960 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 739 DAG size of output: 1024 [2021-07-10 05:43:06,825 WARN L205 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 826 [2021-07-10 05:43:07,000 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 281 [2021-07-10 05:43:07,249 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 294 [2021-07-10 05:43:07,353 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 253 [2021-07-10 05:43:08,501 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 243 [2021-07-10 05:43:09,001 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 284 [2021-07-10 05:43:09,663 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-07-10 05:43:09,792 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-07-10 05:43:10,289 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2021-07-10 05:43:10,743 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 243 [2021-07-10 05:43:10,995 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-07-10 05:43:11,251 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-07-10 05:43:11,709 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 428 [2021-07-10 05:43:12,510 WARN L205 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 566 [2021-07-10 05:43:13,233 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 156 [2021-07-10 05:43:13,424 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2021-07-10 05:43:14,306 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 239 [2021-07-10 05:43:14,557 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 291 [2021-07-10 05:43:15,020 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 392 [2021-07-10 05:43:16,354 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 859 DAG size of output: 794 [2021-07-10 05:43:17,928 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 1020 DAG size of output: 881 [2021-07-10 05:43:18,216 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 235 [2021-07-10 05:43:18,372 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 297 [2021-07-10 05:43:18,511 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 236 [2021-07-10 05:43:18,742 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 244 [2021-07-10 05:43:19,404 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 207 [2021-07-10 05:43:19,699 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 334 [2021-07-10 05:43:20,175 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 209 [2021-07-10 05:43:20,286 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 226 [2021-07-10 05:43:20,846 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 310 [2021-07-10 05:43:21,449 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 446 [2021-07-10 05:43:21,632 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 195 [2021-07-10 05:43:21,866 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 203 [2021-07-10 05:43:22,398 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 256 [2021-07-10 05:43:22,791 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 308 [2021-07-10 05:43:23,619 WARN L205 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 508 [2021-07-10 05:43:24,300 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 156 [2021-07-10 05:43:24,454 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 173 [2021-07-10 05:43:24,712 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 215 [2021-07-10 05:43:25,177 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 193 [2021-07-10 05:43:25,281 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 205 [2021-07-10 05:43:25,988 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 262 [2021-07-10 05:43:26,558 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 284 [2021-07-10 05:43:26,934 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 348 [2021-07-10 05:43:28,229 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 994 DAG size of output: 708 [2021-07-10 05:43:29,745 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1148 DAG size of output: 774 [2021-07-10 05:43:33,090 WARN L205 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 1747 DAG size of output: 1412 [2021-07-10 05:43:33,201 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 253 [2021-07-10 05:43:33,354 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 259 [2021-07-10 05:43:33,478 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 256 [2021-07-10 05:43:34,342 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 190 [2021-07-10 05:43:35,226 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 203 [2021-07-10 05:43:35,433 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 249 [2021-07-10 05:43:35,636 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 321 [2021-07-10 05:43:35,820 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 260 [2021-07-10 05:43:36,139 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 192 [2021-07-10 05:43:36,518 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 249 [2021-07-10 05:43:36,696 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 271 [2021-07-10 05:43:36,983 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 251 [2021-07-10 05:43:37,457 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 251 [2021-07-10 05:43:37,643 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 274 [2021-07-10 05:43:37,903 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 321 [2021-07-10 05:43:38,043 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 238 [2021-07-10 05:43:38,678 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 253 [2021-07-10 05:43:39,060 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 213 [2021-07-10 05:43:39,252 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 242 [2021-07-10 05:43:39,524 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 265 [2021-07-10 05:43:39,943 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 330 [2021-07-10 05:43:40,574 WARN L205 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 911 DAG size of output: 360 [2021-07-10 05:43:40,712 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 245 [2021-07-10 05:43:41,677 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 225 [2021-07-10 05:43:42,654 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 261 [2021-07-10 05:43:42,872 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-07-10 05:43:43,095 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-07-10 05:43:43,455 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 357 [2021-07-10 05:43:43,966 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 385 [2021-07-10 05:43:44,954 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 218 [2021-07-10 05:43:45,206 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 242 [2021-07-10 05:43:45,716 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 350 [2021-07-10 05:43:46,993 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 1315 DAG size of output: 518 [2021-07-10 05:43:52,394 WARN L205 SmtUtils]: Spent 5.39 s on a formula simplification. DAG size of input: 2765 DAG size of output: 1722 [2021-07-10 05:43:58,486 WARN L205 SmtUtils]: Spent 6.08 s on a formula simplification. DAG size of input: 2888 DAG size of output: 1777 [2021-07-10 05:44:06,051 WARN L205 SmtUtils]: Spent 7.55 s on a formula simplification. DAG size of input: 3423 DAG size of output: 2286 [2021-07-10 05:44:15,109 WARN L205 SmtUtils]: Spent 9.04 s on a formula simplification. DAG size of input: 3768 DAG size of output: 2589 [2021-07-10 05:44:16,086 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 242 [2021-07-10 05:44:16,944 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 227 [2021-07-10 05:44:17,109 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 257 [2021-07-10 05:44:18,180 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2021-07-10 05:44:18,336 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 268 [2021-07-10 05:44:18,521 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 266 [2021-07-10 05:44:18,818 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 348 [2021-07-10 05:44:19,706 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 411 [2021-07-10 05:44:20,234 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 475 [2021-07-10 05:44:20,984 WARN L205 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 486 [2021-07-10 05:44:21,856 WARN L205 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 495 [2021-07-10 05:44:23,422 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 223 [2021-07-10 05:44:23,548 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 237 [2021-07-10 05:44:23,704 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 235 [2021-07-10 05:44:23,936 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 303 [2021-07-10 05:44:24,670 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 350 [2021-07-10 05:44:25,440 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 194 [2021-07-10 05:44:25,834 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 386 [2021-07-10 05:44:26,401 WARN L205 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 399 [2021-07-10 05:44:28,006 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 1065 DAG size of output: 745 [2021-07-10 05:44:29,738 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 1077 DAG size of output: 744 [2021-07-10 05:44:31,713 WARN L205 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 1098 DAG size of output: 750 [2021-07-10 05:44:44,144 WARN L205 SmtUtils]: Spent 12.42 s on a formula simplification. DAG size of input: 4707 DAG size of output: 3202 [2021-07-10 05:45:08,299 WARN L205 SmtUtils]: Spent 24.13 s on a formula simplification. DAG size of input: 6894 DAG size of output: 4324 [2021-07-10 05:45:35,807 WARN L205 SmtUtils]: Spent 27.47 s on a formula simplification. DAG size of input: 7322 DAG size of output: 4477 [2021-07-10 05:45:36,969 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 317 [2021-07-10 05:45:37,141 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 343 [2021-07-10 05:45:38,597 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 378 [2021-07-10 05:45:38,820 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 404 [2021-07-10 05:45:39,255 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 627 [2021-07-10 05:45:39,785 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 654 [2021-07-10 05:46:10,722 WARN L205 SmtUtils]: Spent 30.92 s on a formula simplification. DAG size of input: 8002 DAG size of output: 4954 [2021-07-10 05:46:45,876 WARN L205 SmtUtils]: Spent 35.11 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-07-10 05:47:21,020 WARN L205 SmtUtils]: Spent 35.11 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-07-10 05:48:00,439 WARN L205 SmtUtils]: Spent 39.39 s on a formula simplification. DAG size of input: 8440 DAG size of output: 5295 [2021-07-10 05:48:59,846 WARN L205 SmtUtils]: Spent 59.37 s on a formula simplification. DAG size of input: 5297 DAG size of output: 7538 [2021-07-10 05:49:58,446 WARN L205 SmtUtils]: Spent 58.56 s on a formula simplification. DAG size of input: 4323 DAG size of output: 6374 [2021-07-10 05:51:00,166 WARN L205 SmtUtils]: Spent 1.03 m on a formula simplification. DAG size of input: 3823 DAG size of output: 4222 [2021-07-10 05:51:07,989 WARN L205 SmtUtils]: Spent 7.81 s on a formula simplification. DAG size of input: 1942 DAG size of output: 1778 [2021-07-10 05:51:21,718 WARN L205 SmtUtils]: Spent 13.72 s on a formula simplification. DAG size of input: 1680 DAG size of output: 1578 [2021-07-10 05:51:22,003 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 1450 [2021-07-10 05:51:30,801 WARN L205 SmtUtils]: Spent 8.79 s on a formula simplification. DAG size of input: 1347 DAG size of output: 1954 [2021-07-10 05:51:31,327 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 1150 DAG size of output: 1150 [2021-07-10 05:51:31,721 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 1034 DAG size of output: 1034 [2021-07-10 05:51:36,642 WARN L205 SmtUtils]: Spent 4.37 s on a formula simplification. DAG size of input: 981 DAG size of output: 1395 [2021-07-10 05:51:36,761 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 872 [2021-07-10 05:51:36,876 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 595 [2021-07-10 05:51:37,962 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 272 [2021-07-10 05:51:38,428 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 331 [2021-07-10 05:51:38,740 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 377 [2021-07-10 05:51:39,857 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 472 [2021-07-10 05:51:39,965 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 535 [2021-07-10 05:51:40,073 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 208 [2021-07-10 05:51:40,460 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 187 [2021-07-10 05:51:40,827 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 266 [2021-07-10 05:51:41,932 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 289 [2021-07-10 05:51:42,214 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 337 [2021-07-10 05:51:42,612 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 399 [2021-07-10 05:51:43,109 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 752 DAG size of output: 473 [2021-07-10 05:51:44,234 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 1245 DAG size of output: 754 [2021-07-10 05:51:44,460 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 778 [2021-07-10 05:51:44,564 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 509 [2021-07-10 05:51:45,736 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 244 [2021-07-10 05:51:45,902 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 279 [2021-07-10 05:51:46,438 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 355 [2021-07-10 05:51:46,800 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 427 [2021-07-10 05:51:46,912 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 556 [2021-07-10 05:51:48,568 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 216 [2021-07-10 05:51:49,023 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 294 [2021-07-10 05:51:49,308 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 361 [2021-07-10 05:51:49,700 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 434 [2021-07-10 05:51:50,605 WARN L205 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 1001 DAG size of output: 614 [2021-07-10 05:51:52,872 WARN L205 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 1979 DAG size of output: 1146 [2021-07-10 05:51:55,611 WARN L205 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 2136 DAG size of output: 1241 [2021-07-10 05:51:58,836 WARN L205 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 2252 DAG size of output: 1326 [2021-07-10 05:52:04,341 WARN L205 SmtUtils]: Spent 5.49 s on a formula simplification. DAG size of input: 3080 DAG size of output: 1978 [2021-07-10 05:52:04,742 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 294 [2021-07-10 05:52:04,951 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 228 [2021-07-10 05:52:05,628 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 217 [2021-07-10 05:52:06,338 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 227 [2021-07-10 05:52:06,589 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 301 [2021-07-10 05:52:06,962 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 370 [2021-07-10 05:52:13,066 WARN L205 SmtUtils]: Spent 6.10 s on a formula simplification. DAG size of input: 3478 DAG size of output: 2225 [2021-07-10 05:52:13,689 WARN L205 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 431 [2021-07-10 05:52:14,440 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 243 [2021-07-10 05:52:14,597 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 237 [2021-07-10 05:52:14,824 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 247 [2021-07-10 05:52:14,938 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 217 [2021-07-10 05:52:15,674 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 241 [2021-07-10 05:52:15,840 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 266 [2021-07-10 05:52:16,505 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 241 [2021-07-10 05:52:16,667 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 310 [2021-07-10 05:52:16,885 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 316 [2021-07-10 05:52:17,261 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 411 [2021-07-10 05:52:17,952 WARN L205 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 543 [2021-07-10 05:52:18,807 WARN L205 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 909 DAG size of output: 604 [2021-07-10 05:52:26,587 WARN L205 SmtUtils]: Spent 7.77 s on a formula simplification. DAG size of input: 4146 DAG size of output: 2641 [2021-07-10 05:52:35,474 WARN L205 SmtUtils]: Spent 8.87 s on a formula simplification. DAG size of input: 4264 DAG size of output: 2757 [2021-07-10 05:52:53,448 WARN L205 SmtUtils]: Spent 17.94 s on a formula simplification. DAG size of input: 6395 DAG size of output: 4339 [2021-07-10 05:53:20,282 WARN L205 SmtUtils]: Spent 26.79 s on a formula simplification. DAG size of input: 4239 DAG size of output: 3919 [2021-07-10 05:54:34,307 WARN L205 SmtUtils]: Spent 1.23 m on a formula simplification. DAG size of input: 3721 DAG size of output: 4036 [2021-07-10 05:54:52,987 WARN L205 SmtUtils]: Spent 18.65 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1732 [2021-07-10 05:54:53,423 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 306 [2021-07-10 05:54:53,656 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 236 [2021-07-10 05:54:53,761 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 212 [2021-07-10 05:54:54,798 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 278 [2021-07-10 05:54:55,055 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 322 [2021-07-10 05:54:55,206 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 201 [2021-07-10 05:54:56,036 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 254 [2021-07-10 05:54:56,265 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 271 [2021-07-10 05:54:56,568 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 290 [2021-07-10 05:54:57,404 WARN L205 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 477 [2021-07-10 05:54:58,123 WARN L205 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 1605 DAG size of output: 1605 [2021-07-10 05:55:15,962 WARN L205 SmtUtils]: Spent 17.83 s on a formula simplification. DAG size of input: 1500 DAG size of output: 2098 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown