/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-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 08:24:22,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 08:24:22,702 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 08:24:22,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 08:24:22,768 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-Lockstep.epf [2021-07-10 08:24:22,788 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 08:24:22,788 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 08:24:22,788 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 08:24:22,789 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 08:24:22,789 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 08:24:22,791 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 08:24:22,791 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 08:24:22,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 08:24:22,792 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 08:24:22,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 08:24:22,792 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 08:24:22,792 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 08:24:22,793 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 08:24:22,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 08:24:22,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 08:24:22,793 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 08:24:22,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 08:24:22,793 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 08:24:22,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 08:24:22,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 08:24:22,793 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 08:24:22,793 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 08:24:22,793 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 08:24:22,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 08:24:22,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 08:24:22,794 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 08:24:22,794 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 08:24:22,794 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 08:24:22,794 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-10 08:24:22,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 08:24:22,795 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 08:24:22,795 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 08:24:22,795 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 08:24:22,795 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-10 08:24:22,795 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 08:24:23,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 08:24:23,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 08:24:23,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 08:24:23,042 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 08:24:23,043 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 08:24:23,044 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-2.wvr.bpl [2021-07-10 08:24:23,044 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-2.wvr.bpl' [2021-07-10 08:24:23,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 08:24:23,063 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 08:24:23,063 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 08:24:23,064 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 08:24:23,064 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 08:24:23,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:24:23" (1/1) ... [2021-07-10 08:24:23,077 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:24:23" (1/1) ... [2021-07-10 08:24:23,082 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 08:24:23,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 08:24:23,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 08:24:23,083 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 08:24:23,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:24:23" (1/1) ... [2021-07-10 08:24:23,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:24:23" (1/1) ... [2021-07-10 08:24:23,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:24:23" (1/1) ... [2021-07-10 08:24:23,089 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:24:23" (1/1) ... [2021-07-10 08:24:23,090 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:24:23" (1/1) ... [2021-07-10 08:24:23,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:24:23" (1/1) ... [2021-07-10 08:24:23,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:24:23" (1/1) ... [2021-07-10 08:24:23,094 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 08:24:23,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 08:24:23,095 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 08:24:23,096 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 08:24:23,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:24:23" (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 08:24:23,142 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 08:24:23,142 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 08:24:23,142 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 08:24:23,142 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 08:24:23,142 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 08:24:23,142 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 08:24:23,142 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 08:24:23,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 08:24:23,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 08:24:23,143 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 08:24:23,297 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 08:24:23,297 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-10 08:24:23,307 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-10 08:24:23,308 INFO L202 PluginConnector]: Adding new model unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 08:24:23 BoogieIcfgContainer [2021-07-10 08:24:23,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 08:24:23,309 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 08:24:23,309 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 08:24:23,311 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 08:24:23,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:24:23" (1/2) ... [2021-07-10 08:24:23,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2da4033e and model type unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 08:24:23, skipping insertion in model container [2021-07-10 08:24:23,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 08:24:23" (2/2) ... [2021-07-10 08:24:23,313 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-2.wvr.bpl [2021-07-10 08:24:23,317 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 08:24:23,317 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 08:24:23,317 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 08:24:23,317 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 08:24:23,354 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 08:24:23,368 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 08:24:23,409 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 08:24:23,409 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 08:24:23,409 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 08:24:23,409 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 08:24:23,409 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 08:24:23,409 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 08:24:23,409 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 08:24:23,409 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 08:24:23,443 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:24:23,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:24:23,450 INFO L82 PathProgramCache]: Analyzing trace with hash -1113283563, now seen corresponding path program 1 times [2021-07-10 08:24:23,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:24:23,456 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188566223] [2021-07-10 08:24:23,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:24:23,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:24:23,630 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 08:24:23,630 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:24:23,630 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188566223] [2021-07-10 08:24:23,631 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188566223] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 08:24:23,631 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 08:24:23,631 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-10 08:24:23,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979968] [2021-07-10 08:24:23,634 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-10 08:24:23,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:24:23,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-10 08:24:23,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-10 08:24:23,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:24:23,644 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:24:23,645 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 08:24:23,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:24:23,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:24:23,675 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 08:24:23,675 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:24:23,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:24:23,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1316649439, now seen corresponding path program 1 times [2021-07-10 08:24:23,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:24:23,676 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444620022] [2021-07-10 08:24:23,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:24:23,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:24:23,711 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 08:24:23,711 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:24:23,711 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444620022] [2021-07-10 08:24:23,711 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444620022] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:24:23,712 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1987320872] [2021-07-10 08:24:23,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:24:23,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:24:23,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-10 08:24:23,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:24:23,903 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 08:24:23,905 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:24:23,906 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:24:23,907 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:24:23,907 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-07-10 08:24:23,914 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 08:24:23,914 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1987320872] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:24:23,914 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:24:23,915 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-07-10 08:24:23,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724725051] [2021-07-10 08:24:23,915 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-10 08:24:23,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:24:23,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-10 08:24:23,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-07-10 08:24:23,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:24:23,916 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:24:23,917 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 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 08:24:23,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:24:23,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:24:23,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:24:23,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:24:24,164 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:24:24,165 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:24:24,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:24:24,165 INFO L82 PathProgramCache]: Analyzing trace with hash -664838827, now seen corresponding path program 2 times [2021-07-10 08:24:24,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:24:24,166 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250053035] [2021-07-10 08:24:24,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:24:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:24:24,198 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 08:24:24,199 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:24:24,199 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250053035] [2021-07-10 08:24:24,199 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250053035] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:24:24,199 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1571138233] [2021-07-10 08:24:24,199 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 08:24:24,231 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 08:24:24,232 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:24:24,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-10 08:24:24,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:24:24,284 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:24:24,285 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1571138233] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:24:24,285 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:24:24,285 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-07-10 08:24:24,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421097224] [2021-07-10 08:24:24,285 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 08:24:24,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:24:24,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 08:24:24,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-10 08:24:24,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:24:24,286 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:24:24,286 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 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 08:24:24,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:24:24,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:24:24,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:24:24,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:24:24,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:24:24,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:24:24,542 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:24:24,542 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:24:24,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:24:24,543 INFO L82 PathProgramCache]: Analyzing trace with hash 1556384768, now seen corresponding path program 1 times [2021-07-10 08:24:24,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:24:24,543 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724765819] [2021-07-10 08:24:24,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:24:24,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:24:24,638 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:24:24,638 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:24:24,638 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724765819] [2021-07-10 08:24:24,638 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724765819] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:24:24,638 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1337363491] [2021-07-10 08:24:24,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 08:24:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:24:24,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-10 08:24:24,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:24:24,809 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:24:24,809 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 08:24:24,812 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:24:24,814 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:24:24,814 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:24:24,814 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-07-10 08:24:24,824 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:24:24,824 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1337363491] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:24:24,824 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:24:24,824 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-10 08:24:24,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465372918] [2021-07-10 08:24:24,825 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-10 08:24:24,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:24:24,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-10 08:24:24,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-07-10 08:24:24,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:24:24,827 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:24:24,827 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 12 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:24:24,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:24:24,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:24:24,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:24:24,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:24:24,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:24:24,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:24:24,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:24:24,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:25,164 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:24:25,167 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:24:25,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:24:25,167 INFO L82 PathProgramCache]: Analyzing trace with hash 16673270, now seen corresponding path program 2 times [2021-07-10 08:24:25,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:24:25,167 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835571333] [2021-07-10 08:24:25,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:24:25,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:24:25,254 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:24:25,254 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:24:25,254 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835571333] [2021-07-10 08:24:25,254 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835571333] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:24:25,254 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [804082783] [2021-07-10 08:24:25,255 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 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 08:24:25,282 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 08:24:25,283 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:24:25,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-10 08:24:25,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:24:25,427 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:24:25,427 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 08:24:25,452 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:24:25,456 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:24:25,456 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:24:25,457 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-07-10 08:24:25,464 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:24:25,464 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [804082783] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:24:25,464 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:24:25,464 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-10 08:24:25,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531196348] [2021-07-10 08:24:25,465 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-10 08:24:25,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:24:25,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-10 08:24:25,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-07-10 08:24:25,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:24:25,468 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:24:25,469 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 08:24:25,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:24:25,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:24:25,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:24:25,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:25,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:24:25,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:24:25,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:24:25,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:24:25,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:25,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:25,784 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:24:25,788 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:24:25,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:24:25,789 INFO L82 PathProgramCache]: Analyzing trace with hash -469742912, now seen corresponding path program 3 times [2021-07-10 08:24:25,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:24:25,789 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426124607] [2021-07-10 08:24:25,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:24:25,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:24:25,834 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:24:25,834 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:24:25,834 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426124607] [2021-07-10 08:24:25,835 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426124607] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:24:25,835 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1006558479] [2021-07-10 08:24:25,835 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 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 08:24:25,861 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 08:24:25,861 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:24:25,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-10 08:24:25,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:24:25,901 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:24:25,901 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1006558479] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:24:25,901 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:24:25,901 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-07-10 08:24:25,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344488506] [2021-07-10 08:24:25,902 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-10 08:24:25,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:24:25,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-10 08:24:25,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-07-10 08:24:25,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:24:25,903 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:24:25,903 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 8 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 08:24:25,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:24:25,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:24:25,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:24:25,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:25,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:25,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:24:25,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:24:25,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:24:25,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:24:25,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:25,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:25,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:24:26,196 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:24:26,197 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:24:26,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:24:26,197 INFO L82 PathProgramCache]: Analyzing trace with hash -985576459, now seen corresponding path program 4 times [2021-07-10 08:24:26,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:24:26,198 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095979039] [2021-07-10 08:24:26,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:24:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:24:26,295 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:24:26,295 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:24:26,295 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095979039] [2021-07-10 08:24:26,295 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095979039] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:24:26,295 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1641405772] [2021-07-10 08:24:26,295 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 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 08:24:26,337 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 08:24:26,337 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:24:26,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-10 08:24:26,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:24:26,528 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:24:26,529 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 08:24:26,575 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:24:26,576 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:24:26,577 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:24:26,577 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-07-10 08:24:26,582 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:24:26,582 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1641405772] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:24:26,582 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:24:26,582 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-07-10 08:24:26,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886477184] [2021-07-10 08:24:26,582 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-10 08:24:26,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:24:26,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-10 08:24:26,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2021-07-10 08:24:26,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:24:26,583 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:24:26,583 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 08:24:26,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:24:26,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:24:26,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:24:26,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:26,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:26,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:24:26,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:24:26,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:24:26,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:24:26,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:24:26,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:26,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:26,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:24:26,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:24:27,023 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-07-10 08:24:27,023 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:24:27,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:24:27,023 INFO L82 PathProgramCache]: Analyzing trace with hash -280092097, now seen corresponding path program 5 times [2021-07-10 08:24:27,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:24:27,024 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368547196] [2021-07-10 08:24:27,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:24:27,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:24:27,108 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:24:27,109 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:24:27,109 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368547196] [2021-07-10 08:24:27,109 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368547196] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:24:27,109 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [223843005] [2021-07-10 08:24:27,109 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 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 08:24:27,151 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-10 08:24:27,151 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:24:27,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-10 08:24:27,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:24:27,354 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:24:27,354 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 08:24:27,460 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:24:27,461 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:24:27,462 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:24:27,462 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-07-10 08:24:27,468 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:24:27,468 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [223843005] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:24:27,468 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:24:27,468 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-07-10 08:24:27,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943002075] [2021-07-10 08:24:27,469 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-10 08:24:27,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:24:27,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-10 08:24:27,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2021-07-10 08:24:27,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:24:27,470 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:24:27,470 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 18 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 08:24:27,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:24:27,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:24:27,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:24:27,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:27,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:27,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:24:27,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:24:27,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:24:27,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:24:27,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:24:27,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:24:27,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:27,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:27,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:24:27,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:24:27,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:24:27,912 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-07-10 08:24:27,913 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:24:27,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:24:27,913 INFO L82 PathProgramCache]: Analyzing trace with hash 115086645, now seen corresponding path program 6 times [2021-07-10 08:24:27,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:24:27,913 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391189077] [2021-07-10 08:24:27,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:24:27,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:24:27,974 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:24:27,975 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:24:27,975 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391189077] [2021-07-10 08:24:27,975 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391189077] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:24:27,975 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375136495] [2021-07-10 08:24:27,975 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:24:28,000 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-10 08:24:28,000 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:24:28,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-10 08:24:28,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:24:28,056 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:24:28,057 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375136495] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:24:28,057 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:24:28,057 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2021-07-10 08:24:28,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850225063] [2021-07-10 08:24:28,059 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-10 08:24:28,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:24:28,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-10 08:24:28,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-07-10 08:24:28,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:24:28,059 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:24:28,059 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:24:28,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:24:28,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:24:28,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:24:28,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:28,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:28,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:24:28,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:24:28,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:24:28,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:24:28,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:24:28,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:24:28,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:24:28,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:28,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:28,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:24:28,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:24:28,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:24:28,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:24:28,371 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-07-10 08:24:28,374 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:24:28,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:24:28,374 INFO L82 PathProgramCache]: Analyzing trace with hash -35729376, now seen corresponding path program 7 times [2021-07-10 08:24:28,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:24:28,374 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806521887] [2021-07-10 08:24:28,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:24:28,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:24:28,492 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:24:28,492 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:24:28,492 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806521887] [2021-07-10 08:24:28,492 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806521887] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:24:28,492 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1071407880] [2021-07-10 08:24:28,492 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 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 08:24:28,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:24:28,522 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-10 08:24:28,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:24:28,820 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:24:28,820 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 08:24:29,102 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:24:29,104 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:24:29,104 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:24:29,104 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-07-10 08:24:29,110 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:24:29,110 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1071407880] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:24:29,110 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:24:29,110 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-07-10 08:24:29,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344023499] [2021-07-10 08:24:29,110 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-10 08:24:29,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:24:29,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-10 08:24:29,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-07-10 08:24:29,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:24:29,111 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:24:29,111 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.32) internal successors, (33), 24 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:24:29,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:24:29,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:24:29,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:24:29,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:29,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:29,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:24:29,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:24:29,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:24:29,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:24:29,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:24:29,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:24:29,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:24:29,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:24:29,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:29,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:29,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:24:29,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:24:29,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:24:29,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:24:29,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 08:24:29,640 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-07-10 08:24:29,641 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:24:29,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:24:29,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1773919638, now seen corresponding path program 8 times [2021-07-10 08:24:29,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:24:29,641 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487862239] [2021-07-10 08:24:29,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:24:29,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:24:29,758 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:24:29,759 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:24:29,759 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487862239] [2021-07-10 08:24:29,759 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487862239] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:24:29,759 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1515241704] [2021-07-10 08:24:29,759 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 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 08:24:29,786 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 08:24:29,786 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:24:29,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 40 conjunts are in the unsatisfiable core [2021-07-10 08:24:29,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:24:30,142 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:24:30,142 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 08:24:30,677 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:24:30,678 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:24:30,679 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:24:30,679 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:3 [2021-07-10 08:24:30,685 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:24:30,685 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1515241704] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:24:30,685 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:24:30,685 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-07-10 08:24:30,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011574802] [2021-07-10 08:24:30,685 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-10 08:24:30,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:24:30,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-10 08:24:30,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-07-10 08:24:30,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:24:30,686 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:24:30,686 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.4) internal successors, (35), 24 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 08:24:30,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:24:30,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:24:30,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:24:30,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:30,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:30,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:24:30,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:24:30,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:24:30,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:24:30,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 08:24:30,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:24:31,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:24:31,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:24:31,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:24:31,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:31,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:31,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:24:31,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:24:31,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:24:31,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:24:31,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 08:24:31,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 08:24:31,304 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable105 [2021-07-10 08:24:31,305 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:24:31,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:24:31,305 INFO L82 PathProgramCache]: Analyzing trace with hash 2038464224, now seen corresponding path program 9 times [2021-07-10 08:24:31,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:24:31,306 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019978291] [2021-07-10 08:24:31,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:24:31,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:24:31,395 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 21 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:24:31,395 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:24:31,395 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019978291] [2021-07-10 08:24:31,395 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019978291] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:24:31,395 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [451949095] [2021-07-10 08:24:31,396 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 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 08:24:31,425 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-10 08:24:31,425 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:24:31,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-10 08:24:31,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:24:31,474 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 28 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:24:31,474 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [451949095] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:24:31,474 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:24:31,474 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-07-10 08:24:31,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491974920] [2021-07-10 08:24:31,474 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-10 08:24:31,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:24:31,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-10 08:24:31,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2021-07-10 08:24:31,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:24:31,475 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:24:31,475 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 14 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 08:24:31,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:24:31,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:24:31,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:24:31,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:31,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:31,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:24:31,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:24:31,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:24:31,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:24:31,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 08:24:31,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 08:24:31,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:24:31,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:24:31,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:24:31,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:24:31,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:31,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:31,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:24:31,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:24:31,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:24:31,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:24:31,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 08:24:31,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 08:24:31,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 08:24:31,836 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:24:31,837 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:24:31,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:24:31,837 INFO L82 PathProgramCache]: Analyzing trace with hash -540566571, now seen corresponding path program 10 times [2021-07-10 08:24:31,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:24:31,837 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009380380] [2021-07-10 08:24:31,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:24:31,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:24:32,016 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:24:32,016 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:24:32,016 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009380380] [2021-07-10 08:24:32,016 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009380380] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:24:32,016 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [797485291] [2021-07-10 08:24:32,016 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 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 08:24:32,052 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 08:24:32,052 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:24:32,053 WARN L261 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 47 conjunts are in the unsatisfiable core [2021-07-10 08:24:32,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:24:32,544 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-10 08:24:32,545 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:24:32,545 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 08:24:34,360 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:24:34,361 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:24:34,361 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:24:34,361 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-07-10 08:24:34,366 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:24:34,366 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [797485291] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:24:34,366 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:24:34,366 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-07-10 08:24:34,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936410178] [2021-07-10 08:24:34,367 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-10 08:24:34,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:24:34,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-10 08:24:34,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=854, Unknown=0, NotChecked=0, Total=930 [2021-07-10 08:24:34,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:24:34,367 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:24:34,368 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 08:24:34,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:24:34,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:24:34,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:24:34,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:34,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:34,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:24:34,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:24:34,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:24:34,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:24:34,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 08:24:34,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 08:24:34,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 08:24:34,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:24:34,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:24:34,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:24:34,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:24:34,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:34,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:34,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:24:34,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:24:34,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:24:34,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:24:34,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 08:24:34,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 08:24:34,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 08:24:34,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 08:24:35,106 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable198 [2021-07-10 08:24:35,106 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:24:35,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:24:35,107 INFO L82 PathProgramCache]: Analyzing trace with hash 283710111, now seen corresponding path program 11 times [2021-07-10 08:24:35,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:24:35,107 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772661377] [2021-07-10 08:24:35,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:24:35,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:24:35,267 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:24:35,267 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:24:35,267 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772661377] [2021-07-10 08:24:35,267 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772661377] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:24:35,268 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1411624570] [2021-07-10 08:24:35,268 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 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 08:24:35,295 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-10 08:24:35,295 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:24:35,296 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 49 conjunts are in the unsatisfiable core [2021-07-10 08:24:35,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:24:35,786 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-07-10 08:24:35,786 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:24:35,786 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 08:24:36,789 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 269 [2021-07-10 08:24:37,521 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 192 [2021-07-10 08:24:37,625 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 214 [2021-07-10 08:24:37,809 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 247 [2021-07-10 08:24:38,104 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-07-10 08:24:38,395 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-07-10 08:24:38,722 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 387 [2021-07-10 08:24:39,112 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 257 [2021-07-10 08:24:39,755 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-07-10 08:24:39,883 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-07-10 08:24:40,079 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 282 [2021-07-10 08:24:41,041 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:24:41,042 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:24:41,042 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:24:41,043 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-07-10 08:24:41,047 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:24:41,047 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1411624570] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:24:41,047 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:24:41,047 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-07-10 08:24:41,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507792152] [2021-07-10 08:24:41,048 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-10 08:24:41,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:24:41,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-10 08:24:41,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=856, Unknown=0, NotChecked=0, Total=930 [2021-07-10 08:24:41,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:24:41,048 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:24:41,049 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 30 states have internal predecessors, (41), 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 08:24:41,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:24:41,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:24:41,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:24:41,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:41,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:41,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:24:41,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:24:41,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:24:41,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:24:41,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 08:24:41,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 08:24:41,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 08:24:41,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 08:24:41,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:24:41,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:24:41,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:24:41,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:24:41,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:41,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:41,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:24:41,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:24:41,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:24:41,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:24:41,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 08:24:41,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 08:24:41,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 08:24:41,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 08:24:41,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 08:24:41,761 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable440,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:24:41,761 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:24:41,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:24:41,761 INFO L82 PathProgramCache]: Analyzing trace with hash 66483477, now seen corresponding path program 12 times [2021-07-10 08:24:41,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:24:41,761 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95328817] [2021-07-10 08:24:41,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:24:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:24:41,870 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 36 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:24:41,870 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:24:41,870 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95328817] [2021-07-10 08:24:41,870 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95328817] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:24:41,870 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [295450398] [2021-07-10 08:24:41,871 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:24:41,901 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-10 08:24:41,901 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:24:41,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-10 08:24:41,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:24:41,954 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 45 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:24:41,954 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [295450398] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:24:41,954 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:24:41,954 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2021-07-10 08:24:41,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640101325] [2021-07-10 08:24:41,954 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-10 08:24:41,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:24:41,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-10 08:24:41,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2021-07-10 08:24:41,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:24:41,955 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:24:41,955 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 17 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:24:41,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:24:41,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:24:41,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:24:41,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:41,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:41,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:24:41,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:24:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:24:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:24:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 08:24:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 08:24:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 08:24:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 08:24:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 08:24:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:24:42,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:24:42,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:24:42,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:24:42,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:42,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:24:42,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:24:42,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:24:42,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:24:42,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:24:42,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 08:24:42,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 08:24:42,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 08:24:42,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 08:24:42,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 08:24:42,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 08:24:42,346 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable900,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:24:42,346 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:24:42,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:24:42,346 INFO L82 PathProgramCache]: Analyzing trace with hash -1542427584, now seen corresponding path program 13 times [2021-07-10 08:24:42,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:24:42,347 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467517338] [2021-07-10 08:24:42,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:24:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:24:42,579 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:24:42,579 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:24:42,579 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467517338] [2021-07-10 08:24:42,579 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467517338] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:24:42,579 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574605347] [2021-07-10 08:24:42,579 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:24:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:24:42,607 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 56 conjunts are in the unsatisfiable core [2021-07-10 08:24:42,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:24:43,301 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-07-10 08:24:43,301 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:24:43,301 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 08:24:44,217 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 265 [2021-07-10 08:24:44,400 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-07-10 08:24:44,587 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-07-10 08:24:44,799 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 298 [2021-07-10 08:24:45,186 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 419 [2021-07-10 08:24:45,406 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 367 [2021-07-10 08:24:45,655 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 330 [2021-07-10 08:24:45,853 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 298 [2021-07-10 08:24:46,317 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 261 [2021-07-10 08:24:47,100 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 358 [2021-07-10 08:24:47,354 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 329 [2021-07-10 08:24:47,471 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 245 [2021-07-10 08:24:48,646 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 356 [2021-07-10 08:24:49,109 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 494 [2021-07-10 08:24:49,311 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 304 [2021-07-10 08:24:50,203 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 239 [2021-07-10 08:24:50,720 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 245 [2021-07-10 08:24:51,185 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 219 [2021-07-10 08:24:51,451 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 342 [2021-07-10 08:24:52,243 WARN L205 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-07-10 08:24:53,061 WARN L205 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-07-10 08:24:53,924 WARN L205 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 1050 DAG size of output: 663 [2021-07-10 08:24:54,958 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 665 DAG size of output: 835 [2021-07-10 08:24:55,150 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 361 [2021-07-10 08:24:55,967 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 271 [2021-07-10 08:24:56,313 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 538 [2021-07-10 08:24:56,744 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 342 [2021-07-10 08:24:57,231 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-07-10 08:24:57,721 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-07-10 08:24:58,269 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 465 [2021-07-10 08:24:58,856 WARN L205 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 616 [2021-07-10 08:24:59,111 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 373 [2021-07-10 08:24:59,313 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 375 [2021-07-10 08:24:59,526 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 343 [2021-07-10 08:25:00,271 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 277 [2021-07-10 08:25:00,880 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 380 [2021-07-10 08:25:01,171 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 437 [2021-07-10 08:25:01,952 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 197 [2021-07-10 08:25:02,428 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 899 DAG size of output: 562 [2021-07-10 08:25:02,945 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 436 [2021-07-10 08:25:04,020 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 254 [2021-07-10 08:25:04,902 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 422 [2021-07-10 08:25:05,979 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 819 DAG size of output: 545 [2021-07-10 08:25:07,040 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-07-10 08:25:08,108 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-07-10 08:25:09,241 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 1554 DAG size of output: 954 [2021-07-10 08:25:09,408 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 611 [2021-07-10 08:25:09,781 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 447 [2021-07-10 08:25:10,507 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 294 [2021-07-10 08:25:10,677 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-07-10 08:25:10,849 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-07-10 08:25:11,026 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 634 DAG size of output: 338 [2021-07-10 08:25:11,222 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 321 [2021-07-10 08:25:11,546 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:25:11,547 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:25:11,548 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:25:11,548 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-07-10 08:25:11,553 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:25:11,553 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [574605347] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:25:11,553 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:25:11,553 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2021-07-10 08:25:11,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283616589] [2021-07-10 08:25:11,553 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-10 08:25:11,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:25:11,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-10 08:25:11,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=1241, Unknown=0, NotChecked=0, Total=1332 [2021-07-10 08:25:11,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:25:11,554 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:25:11,554 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.2162162162162162) internal successors, (45), 36 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:25:11,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:25:11,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:25:11,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:25:11,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:25:11,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:25:11,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:25:11,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:25:11,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:25:11,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:25:11,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 08:25:11,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 08:25:11,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 08:25:11,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 08:25:11,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 08:25:11,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 08:25:11,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:25:12,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:25:12,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:25:12,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:25:12,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:25:12,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:25:12,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:25:12,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:25:12,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:25:12,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:25:12,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 08:25:12,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 08:25:12,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 08:25:12,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 08:25:12,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 08:25:12,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 08:25:12,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 08:25:12,402 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable901,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:25:12,402 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:25:12,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:25:12,403 INFO L82 PathProgramCache]: Analyzing trace with hash 156174646, now seen corresponding path program 14 times [2021-07-10 08:25:12,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:25:12,403 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815670034] [2021-07-10 08:25:12,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:25:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:25:12,638 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:25:12,639 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:25:12,639 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815670034] [2021-07-10 08:25:12,639 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815670034] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:25:12,639 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [626579107] [2021-07-10 08:25:12,639 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:25:12,669 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 08:25:12,669 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:25:12,670 WARN L261 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 58 conjunts are in the unsatisfiable core [2021-07-10 08:25:12,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:25:13,445 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-07-10 08:25:13,446 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:25:13,446 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 08:25:14,643 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 351 [2021-07-10 08:25:14,813 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 372 [2021-07-10 08:25:15,024 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 408 [2021-07-10 08:25:16,308 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 389 [2021-07-10 08:25:16,522 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 409 [2021-07-10 08:25:16,766 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 445 [2021-07-10 08:25:17,328 WARN L205 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 727 [2021-07-10 08:25:17,889 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 1110 DAG size of output: 728 [2021-07-10 08:25:18,564 WARN L205 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 753 [2021-07-10 08:25:19,349 WARN L205 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 1155 DAG size of output: 775 [2021-07-10 08:25:20,256 WARN L205 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-07-10 08:25:21,138 WARN L205 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-07-10 08:25:22,218 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 1192 DAG size of output: 813 [2021-07-10 08:25:24,613 WARN L205 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 815 DAG size of output: 982 [2021-07-10 08:25:26,386 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 786 DAG size of output: 884 [2021-07-10 08:25:27,454 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 765 DAG size of output: 798 [2021-07-10 08:25:29,057 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 754 DAG size of output: 1042 [2021-07-10 08:25:29,920 WARN L205 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 844 [2021-07-10 08:25:30,256 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 317 [2021-07-10 08:25:31,181 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 179 [2021-07-10 08:25:31,300 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 256 [2021-07-10 08:25:31,449 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-07-10 08:25:32,506 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 230 [2021-07-10 08:25:32,695 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 252 [2021-07-10 08:25:32,906 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 259 [2021-07-10 08:25:33,790 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 199 [2021-07-10 08:25:34,121 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 331 [2021-07-10 08:25:34,541 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 350 [2021-07-10 08:25:35,702 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 213 [2021-07-10 08:25:35,903 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 217 [2021-07-10 08:25:36,451 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 246 [2021-07-10 08:25:36,946 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 331 [2021-07-10 08:25:37,107 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 262 [2021-07-10 08:25:37,325 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 324 [2021-07-10 08:25:37,501 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 244 [2021-07-10 08:25:38,150 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 257 [2021-07-10 08:25:38,443 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 218 [2021-07-10 08:25:38,569 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 210 [2021-07-10 08:25:38,734 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 228 [2021-07-10 08:25:38,902 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 241 [2021-07-10 08:25:39,529 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 210 [2021-07-10 08:25:40,206 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 238 [2021-07-10 08:25:40,376 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 282 [2021-07-10 08:25:40,609 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 300 [2021-07-10 08:25:40,942 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 296 [2021-07-10 08:25:42,290 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 216 [2021-07-10 08:25:42,453 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 235 [2021-07-10 08:25:42,922 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 834 DAG size of output: 313 [2021-07-10 08:25:44,007 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 1222 DAG size of output: 455 [2021-07-10 08:25:45,507 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1424 DAG size of output: 577 [2021-07-10 08:25:45,679 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 277 [2021-07-10 08:25:45,890 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 283 [2021-07-10 08:25:46,041 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 273 [2021-07-10 08:25:46,884 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 239 [2021-07-10 08:25:47,066 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 285 [2021-07-10 08:25:47,435 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 219 [2021-07-10 08:25:47,605 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 198 [2021-07-10 08:25:48,406 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 247 [2021-07-10 08:25:48,663 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 311 [2021-07-10 08:25:49,231 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 158 [2021-07-10 08:25:49,770 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 186 [2021-07-10 08:25:49,979 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 201 [2021-07-10 08:25:50,490 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 400 [2021-07-10 08:25:51,163 WARN L205 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 483 [2021-07-10 08:25:51,933 WARN L205 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 720 DAG size of output: 507 [2021-07-10 08:25:53,336 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 251 [2021-07-10 08:25:53,497 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 272 [2021-07-10 08:25:53,740 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 285 [2021-07-10 08:25:54,026 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 288 [2021-07-10 08:25:54,743 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 226 [2021-07-10 08:25:55,222 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 208 [2021-07-10 08:25:55,486 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 282 [2021-07-10 08:25:56,028 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 216 [2021-07-10 08:25:56,394 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 311 [2021-07-10 08:25:56,781 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 354 [2021-07-10 08:25:57,760 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 217 [2021-07-10 08:25:57,928 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 217 [2021-07-10 08:25:58,590 WARN L205 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 451 [2021-07-10 08:25:59,364 WARN L205 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 723 DAG size of output: 463 [2021-07-10 08:26:00,713 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1029 DAG size of output: 672 [2021-07-10 08:26:02,965 WARN L205 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 1517 DAG size of output: 968 [2021-07-10 08:26:03,968 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 286 [2021-07-10 08:26:04,142 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 287 [2021-07-10 08:26:04,796 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 312 [2021-07-10 08:26:05,534 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 325 [2021-07-10 08:26:05,918 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 328 [2021-07-10 08:26:06,061 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-07-10 08:26:06,868 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 212 [2021-07-10 08:26:07,052 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 288 [2021-07-10 08:26:07,770 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 142 [2021-07-10 08:26:07,930 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 171 [2021-07-10 08:26:08,135 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2021-07-10 08:26:08,573 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 373 [2021-07-10 08:26:09,622 WARN L205 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 452 [2021-07-10 08:26:10,250 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 211 [2021-07-10 08:26:10,729 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 235 [2021-07-10 08:26:10,988 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 297 [2021-07-10 08:26:11,533 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 227 [2021-07-10 08:26:11,980 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 393 [2021-07-10 08:26:12,431 WARN L205 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 397 [2021-07-10 08:26:13,243 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 222 [2021-07-10 08:26:13,598 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 264 [2021-07-10 08:26:14,457 WARN L205 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 541 [2021-07-10 08:26:15,515 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 680 DAG size of output: 566 [2021-07-10 08:26:17,107 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 1012 DAG size of output: 839 [2021-07-10 08:26:19,615 WARN L205 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 1410 DAG size of output: 1099 [2021-07-10 08:26:24,764 WARN L205 SmtUtils]: Spent 5.14 s on a formula simplification. DAG size of input: 2226 DAG size of output: 1704 [2021-07-10 08:26:31,638 WARN L205 SmtUtils]: Spent 6.86 s on a formula simplification. DAG size of input: 3213 DAG size of output: 1793 [2021-07-10 08:26:40,339 WARN L205 SmtUtils]: Spent 8.68 s on a formula simplification. DAG size of input: 3741 DAG size of output: 2301 [2021-07-10 08:26:50,436 WARN L205 SmtUtils]: Spent 10.08 s on a formula simplification. DAG size of input: 4093 DAG size of output: 2511 [2021-07-10 08:26:51,765 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 739 DAG size of output: 1024 [2021-07-10 08:26:52,663 WARN L205 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 826 [2021-07-10 08:26:52,838 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 281 [2021-07-10 08:26:53,085 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 294 [2021-07-10 08:26:53,197 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 253 [2021-07-10 08:26:54,371 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 243 [2021-07-10 08:26:54,894 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 284 [2021-07-10 08:26:55,565 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-07-10 08:26:55,690 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-07-10 08:26:56,178 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2021-07-10 08:26:56,642 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 243 [2021-07-10 08:26:56,902 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-07-10 08:26:57,159 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-07-10 08:26:57,639 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 428 [2021-07-10 08:26:58,440 WARN L205 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 566 [2021-07-10 08:26:59,209 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 156 [2021-07-10 08:26:59,400 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2021-07-10 08:27:00,340 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 239 [2021-07-10 08:27:00,599 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 291 [2021-07-10 08:27:01,077 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 392 [2021-07-10 08:27:02,434 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 859 DAG size of output: 794 [2021-07-10 08:27:04,056 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 1020 DAG size of output: 881 [2021-07-10 08:27:04,343 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 235 [2021-07-10 08:27:04,507 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 297 [2021-07-10 08:27:04,639 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 236 [2021-07-10 08:27:04,875 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 244 [2021-07-10 08:27:05,559 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 207 [2021-07-10 08:27:05,848 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 334 [2021-07-10 08:27:06,350 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 209 [2021-07-10 08:27:06,462 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 226 [2021-07-10 08:27:07,023 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 310 [2021-07-10 08:27:07,629 WARN L205 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 446 [2021-07-10 08:27:07,821 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 195 [2021-07-10 08:27:08,602 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 256 [2021-07-10 08:27:08,998 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 308 [2021-07-10 08:27:09,855 WARN L205 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 508 [2021-07-10 08:27:10,535 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 156 [2021-07-10 08:27:10,697 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 173 [2021-07-10 08:27:10,948 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 215 [2021-07-10 08:27:11,419 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 193 [2021-07-10 08:27:11,524 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 205 [2021-07-10 08:27:12,228 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 262 [2021-07-10 08:27:12,800 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 284 [2021-07-10 08:27:13,184 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 348 [2021-07-10 08:27:14,482 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 994 DAG size of output: 708 [2021-07-10 08:27:16,003 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1148 DAG size of output: 774 [2021-07-10 08:27:19,502 WARN L205 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 1747 DAG size of output: 1412 [2021-07-10 08:27:19,614 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 253 [2021-07-10 08:27:19,768 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 259 [2021-07-10 08:27:19,887 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 256 [2021-07-10 08:27:20,778 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 190 [2021-07-10 08:27:21,703 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 203 [2021-07-10 08:27:21,915 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 249 [2021-07-10 08:27:22,129 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 321 [2021-07-10 08:27:22,315 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 260 [2021-07-10 08:27:22,670 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 192 [2021-07-10 08:27:23,040 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 249 [2021-07-10 08:27:23,232 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 271 [2021-07-10 08:27:23,520 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 251 [2021-07-10 08:27:24,000 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 251 [2021-07-10 08:27:24,186 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 274 [2021-07-10 08:27:24,444 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 321 [2021-07-10 08:27:24,584 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 238 [2021-07-10 08:27:25,238 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 253 [2021-07-10 08:27:25,629 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 213 [2021-07-10 08:27:25,822 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 242 [2021-07-10 08:27:26,100 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 265 [2021-07-10 08:27:26,524 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 330 [2021-07-10 08:27:27,164 WARN L205 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 911 DAG size of output: 360 [2021-07-10 08:27:27,314 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 245 [2021-07-10 08:27:28,280 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 225 [2021-07-10 08:27:29,281 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 261 [2021-07-10 08:27:29,507 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-07-10 08:27:29,732 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-07-10 08:27:30,094 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 357 [2021-07-10 08:27:30,603 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 385 [2021-07-10 08:27:31,604 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 218 [2021-07-10 08:27:31,854 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 242 [2021-07-10 08:27:32,374 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 350 [2021-07-10 08:27:33,670 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1315 DAG size of output: 518 [2021-07-10 08:27:39,221 WARN L205 SmtUtils]: Spent 5.54 s on a formula simplification. DAG size of input: 2765 DAG size of output: 1722 [2021-07-10 08:27:45,468 WARN L205 SmtUtils]: Spent 6.23 s on a formula simplification. DAG size of input: 2888 DAG size of output: 1777 [2021-07-10 08:27:53,143 WARN L205 SmtUtils]: Spent 7.66 s on a formula simplification. DAG size of input: 3423 DAG size of output: 2286 [2021-07-10 08:28:02,394 WARN L205 SmtUtils]: Spent 9.23 s on a formula simplification. DAG size of input: 3768 DAG size of output: 2589 [2021-07-10 08:28:03,400 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 242 [2021-07-10 08:28:04,294 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 227 [2021-07-10 08:28:04,465 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 257 [2021-07-10 08:28:05,620 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2021-07-10 08:28:05,777 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 268 [2021-07-10 08:28:05,962 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 266 [2021-07-10 08:28:06,256 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 348 [2021-07-10 08:28:07,155 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 411 [2021-07-10 08:28:07,698 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 475 [2021-07-10 08:28:08,460 WARN L205 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 486 [2021-07-10 08:28:09,339 WARN L205 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 495 [2021-07-10 08:28:10,957 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 223 [2021-07-10 08:28:11,082 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 237 [2021-07-10 08:28:11,238 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 235 [2021-07-10 08:28:11,468 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 303 [2021-07-10 08:28:12,226 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 350 [2021-07-10 08:28:13,024 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 194 [2021-07-10 08:28:13,424 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 386 [2021-07-10 08:28:14,000 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 399 [2021-07-10 08:28:15,625 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 1065 DAG size of output: 745 [2021-07-10 08:28:17,371 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 1077 DAG size of output: 744 [2021-07-10 08:28:19,375 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 1098 DAG size of output: 750 [2021-07-10 08:28:32,055 WARN L205 SmtUtils]: Spent 12.67 s on a formula simplification. DAG size of input: 4707 DAG size of output: 3202 [2021-07-10 08:28:56,531 WARN L205 SmtUtils]: Spent 24.45 s on a formula simplification. DAG size of input: 6894 DAG size of output: 4324 [2021-07-10 08:29:24,427 WARN L205 SmtUtils]: Spent 27.86 s on a formula simplification. DAG size of input: 7322 DAG size of output: 4477 [2021-07-10 08:29:25,650 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 317 [2021-07-10 08:29:25,813 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 343 [2021-07-10 08:29:27,260 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 378 [2021-07-10 08:29:27,494 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 404 [2021-07-10 08:29:27,936 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 627 [2021-07-10 08:29:28,459 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 654 [2021-07-10 08:29:59,794 WARN L205 SmtUtils]: Spent 31.32 s on a formula simplification. DAG size of input: 8002 DAG size of output: 4954 [2021-07-10 08:30:35,557 WARN L205 SmtUtils]: Spent 35.72 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-07-10 08:31:10,736 WARN L205 SmtUtils]: Spent 35.14 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-07-10 08:31:50,258 WARN L205 SmtUtils]: Spent 39.50 s on a formula simplification. DAG size of input: 8440 DAG size of output: 5295 [2021-07-10 08:32:49,885 WARN L205 SmtUtils]: Spent 59.59 s on a formula simplification. DAG size of input: 5297 DAG size of output: 7538 [2021-07-10 08:33:49,155 WARN L205 SmtUtils]: Spent 59.23 s on a formula simplification. DAG size of input: 4323 DAG size of output: 6374 [2021-07-10 08:34:50,749 WARN L205 SmtUtils]: Spent 1.03 m on a formula simplification. DAG size of input: 3823 DAG size of output: 4222 [2021-07-10 08:34:58,592 WARN L205 SmtUtils]: Spent 7.82 s on a formula simplification. DAG size of input: 1942 DAG size of output: 1778 [2021-07-10 08:35:12,272 WARN L205 SmtUtils]: Spent 13.67 s on a formula simplification. DAG size of input: 1680 DAG size of output: 1578 [2021-07-10 08:35:12,555 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 1450 [2021-07-10 08:35:21,333 WARN L205 SmtUtils]: Spent 8.77 s on a formula simplification. DAG size of input: 1347 DAG size of output: 1954 [2021-07-10 08:35:21,869 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 1150 DAG size of output: 1150 [2021-07-10 08:35:22,265 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 1034 DAG size of output: 1034 [2021-07-10 08:35:27,261 WARN L205 SmtUtils]: Spent 4.43 s on a formula simplification. DAG size of input: 981 DAG size of output: 1395 [2021-07-10 08:35:27,378 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 872 [2021-07-10 08:35:27,489 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 595 [2021-07-10 08:35:28,568 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 272 [2021-07-10 08:35:29,032 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 331 [2021-07-10 08:35:29,335 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 377 [2021-07-10 08:35:30,467 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 472 [2021-07-10 08:35:30,576 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 535 [2021-07-10 08:35:30,684 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 208 [2021-07-10 08:35:31,073 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 187 [2021-07-10 08:35:31,451 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 266 [2021-07-10 08:35:32,605 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 289 [2021-07-10 08:35:32,878 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 337 [2021-07-10 08:35:33,261 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 399 [2021-07-10 08:35:33,788 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 752 DAG size of output: 473 [2021-07-10 08:35:34,935 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 1245 DAG size of output: 754 [2021-07-10 08:35:35,159 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 778 [2021-07-10 08:35:35,263 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 509 [2021-07-10 08:35:35,562 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 436 [2021-07-10 08:35:36,448 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 244 [2021-07-10 08:35:36,624 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 279 [2021-07-10 08:35:37,144 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 355 [2021-07-10 08:35:37,531 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 427 [2021-07-10 08:35:37,639 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 556 [2021-07-10 08:35:39,312 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 216 [2021-07-10 08:35:39,774 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 294 [2021-07-10 08:35:40,057 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 361 [2021-07-10 08:35:40,451 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 434 [2021-07-10 08:35:41,348 WARN L205 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 1001 DAG size of output: 614 [2021-07-10 08:35:43,605 WARN L205 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 1979 DAG size of output: 1146 [2021-07-10 08:35:46,338 WARN L205 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 2136 DAG size of output: 1241 [2021-07-10 08:35:49,603 WARN L205 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 2252 DAG size of output: 1326 [2021-07-10 08:35:55,175 WARN L205 SmtUtils]: Spent 5.56 s on a formula simplification. DAG size of input: 3080 DAG size of output: 1978 [2021-07-10 08:35:55,572 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 294 [2021-07-10 08:35:55,784 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 228 [2021-07-10 08:35:56,470 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 217 [2021-07-10 08:35:57,180 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 227 [2021-07-10 08:35:57,446 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 301 [2021-07-10 08:35:57,824 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 370 [2021-07-10 08:36:03,988 WARN L205 SmtUtils]: Spent 6.16 s on a formula simplification. DAG size of input: 3478 DAG size of output: 2225 [2021-07-10 08:36:04,637 WARN L205 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 431 [2021-07-10 08:36:05,383 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 243 [2021-07-10 08:36:05,540 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 237 [2021-07-10 08:36:05,776 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 247 [2021-07-10 08:36:05,886 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 217 [2021-07-10 08:36:06,636 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 241 [2021-07-10 08:36:06,789 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 266 [2021-07-10 08:36:07,438 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 241 [2021-07-10 08:36:07,603 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 310 [2021-07-10 08:36:07,812 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 316 [2021-07-10 08:36:08,189 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 411 [2021-07-10 08:36:08,859 WARN L205 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 543 [2021-07-10 08:36:09,719 WARN L205 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 909 DAG size of output: 604 [2021-07-10 08:36:17,491 WARN L205 SmtUtils]: Spent 7.76 s on a formula simplification. DAG size of input: 4146 DAG size of output: 2641 [2021-07-10 08:36:26,627 WARN L205 SmtUtils]: Spent 9.12 s on a formula simplification. DAG size of input: 4264 DAG size of output: 2757 [2021-07-10 08:36:44,706 WARN L205 SmtUtils]: Spent 18.05 s on a formula simplification. DAG size of input: 6395 DAG size of output: 4339 [2021-07-10 08:37:11,956 WARN L205 SmtUtils]: Spent 27.20 s on a formula simplification. DAG size of input: 4239 DAG size of output: 3919 [2021-07-10 08:38:27,112 WARN L205 SmtUtils]: Spent 1.25 m on a formula simplification. DAG size of input: 3721 DAG size of output: 4036 [2021-07-10 08:38:46,130 WARN L205 SmtUtils]: Spent 19.00 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1732 [2021-07-10 08:38:46,574 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 306 [2021-07-10 08:38:46,805 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 236 [2021-07-10 08:38:46,912 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 212 [2021-07-10 08:38:47,957 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 278 [2021-07-10 08:38:48,213 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 322 [2021-07-10 08:38:48,360 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 201 [2021-07-10 08:38:49,212 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 254 [2021-07-10 08:38:49,444 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 271 [2021-07-10 08:38:49,754 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 290 [2021-07-10 08:38:50,607 WARN L205 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 477 [2021-07-10 08:38:51,337 WARN L205 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 1605 DAG size of output: 1605 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown