/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-07 02:31:17,913 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-07 02:31:17,915 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-07 02:31:17,945 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-07 02:31:17,991 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random7777.epf [2021-06-07 02:31:18,017 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-07 02:31:18,017 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-07 02:31:18,017 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-07 02:31:18,017 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-07 02:31:18,019 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-07 02:31:18,019 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-07 02:31:18,019 INFO L138 SettingsManager]: * Use SBE=true [2021-06-07 02:31:18,019 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-07 02:31:18,020 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-07 02:31:18,020 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-07 02:31:18,020 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-07 02:31:18,020 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-07 02:31:18,020 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-07 02:31:18,020 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-07 02:31:18,021 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-07 02:31:18,021 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-07 02:31:18,021 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-07 02:31:18,021 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-07 02:31:18,021 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-07 02:31:18,021 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-07 02:31:18,021 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-07 02:31:18,021 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-07 02:31:18,021 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-07 02:31:18,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 02:31:18,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-07 02:31:18,021 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-07 02:31:18,022 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-07 02:31:18,022 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-07 02:31:18,022 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-07 02:31:18,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-07 02:31:18,022 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-07 02:31:18,022 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-07 02:31:18,022 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-07 02:31:18,022 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-07 02:31:18,022 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-07 02:31:18,022 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-07 02:31:18,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-07 02:31:18,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-07 02:31:18,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-07 02:31:18,291 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-07 02:31:18,292 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-07 02:31:18,292 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl [2021-06-07 02:31:18,324 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl' [2021-06-07 02:31:18,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-07 02:31:18,343 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-07 02:31:18,348 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-07 02:31:18,348 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-07 02:31:18,348 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-07 02:31:18,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:31:18" (1/1) ... [2021-06-07 02:31:18,364 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:31:18" (1/1) ... [2021-06-07 02:31:18,368 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-07 02:31:18,370 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-07 02:31:18,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-07 02:31:18,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-07 02:31:18,375 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:31:18" (1/1) ... [2021-06-07 02:31:18,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:31:18" (1/1) ... [2021-06-07 02:31:18,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:31:18" (1/1) ... [2021-06-07 02:31:18,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:31:18" (1/1) ... [2021-06-07 02:31:18,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:31:18" (1/1) ... [2021-06-07 02:31:18,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:31:18" (1/1) ... [2021-06-07 02:31:18,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:31:18" (1/1) ... [2021-06-07 02:31:18,382 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-07 02:31:18,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-07 02:31:18,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-07 02:31:18,383 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-07 02:31:18,385 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:31:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 02:31:18,441 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-07 02:31:18,441 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-07 02:31:18,441 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-07 02:31:18,441 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-07 02:31:18,441 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-07 02:31:18,441 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-07 02:31:18,441 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-07 02:31:18,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-07 02:31:18,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-07 02:31:18,442 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-07 02:31:18,762 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-07 02:31:18,762 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-07 02:31:18,762 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-07 02:31:18,763 INFO L202 PluginConnector]: Adding new model unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 02:31:18 BoogieIcfgContainer [2021-06-07 02:31:18,763 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-07 02:31:18,764 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-07 02:31:18,764 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-07 02:31:18,766 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-07 02:31:18,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:31:18" (1/2) ... [2021-06-07 02:31:18,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19952be2 and model type unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 02:31:18, skipping insertion in model container [2021-06-07 02:31:18,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 02:31:18" (2/2) ... [2021-06-07 02:31:18,768 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-4.wvr.bpl [2021-06-07 02:31:18,773 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-07 02:31:18,773 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-07 02:31:18,773 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-07 02:31:18,774 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-07 02:31:18,809 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-07 02:31:18,824 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-07 02:31:18,868 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 02:31:18,868 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 02:31:18,869 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 02:31:18,869 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 02:31:18,869 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 02:31:18,869 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 02:31:18,869 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 02:31:18,870 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-07 02:31:18,890 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:31:18,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:31:18,894 INFO L82 PathProgramCache]: Analyzing trace with hash -1298021065, now seen corresponding path program 1 times [2021-06-07 02:31:18,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:31:18,900 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223030030] [2021-06-07 02:31:18,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:31:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:31:19,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:31:19,066 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:31:19,066 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223030030] [2021-06-07 02:31:19,066 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223030030] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 02:31:19,066 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 02:31:19,066 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-07 02:31:19,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146226286] [2021-06-07 02:31:19,071 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-07 02:31:19,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:31:19,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-07 02:31:19,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-07 02:31:19,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:31:19,084 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:31:19,085 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) [2021-06-07 02:31:19,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:31:19,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:31:19,117 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-07 02:31:19,117 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:31:19,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:31:19,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1876900165, now seen corresponding path program 1 times [2021-06-07 02:31:19,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:31:19,120 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369219153] [2021-06-07 02:31:19,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:31:19,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:31:19,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:31:19,316 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:31:19,317 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369219153] [2021-06-07 02:31:19,317 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369219153] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:31:19,317 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [551739335] [2021-06-07 02:31:19,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:31:19,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:31:19,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-07 02:31:19,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:31:19,553 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 [2021-06-07 02:31:19,556 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:31:19,557 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:31:19,558 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:31:19,561 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-06-07 02:31:19,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:31:19,573 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [551739335] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:31:19,573 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:31:19,573 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-06-07 02:31:19,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128645600] [2021-06-07 02:31:19,574 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-07 02:31:19,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:31:19,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-07 02:31:19,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-06-07 02:31:19,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:31:19,580 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:31:19,580 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:31:19,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:31:19,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:31:19,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:31:19,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:31:19,820 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:31:19,821 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:31:19,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:31:19,821 INFO L82 PathProgramCache]: Analyzing trace with hash 1515210487, now seen corresponding path program 2 times [2021-06-07 02:31:19,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:31:19,821 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084656592] [2021-06-07 02:31:19,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:31:19,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:31:19,987 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:31:19,988 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:31:19,988 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084656592] [2021-06-07 02:31:19,988 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084656592] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:31:19,988 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727152694] [2021-06-07 02:31:19,988 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 [2021-06-07 02:31:20,012 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 02:31:20,012 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:31:20,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-07 02:31:20,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:31:20,100 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:31:20,100 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 [2021-06-07 02:31:20,102 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:31:20,104 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:31:20,104 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:31:20,104 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-06-07 02:31:20,111 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:31:20,111 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727152694] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:31:20,111 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:31:20,111 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-07 02:31:20,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869931632] [2021-06-07 02:31:20,112 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-07 02:31:20,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:31:20,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-07 02:31:20,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-06-07 02:31:20,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:31:20,112 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:31:20,113 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:31:20,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:31:20,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:31:20,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:31:20,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:31:20,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:31:20,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:20,364 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:31:20,365 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:31:20,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:31:20,365 INFO L82 PathProgramCache]: Analyzing trace with hash -1107234939, now seen corresponding path program 3 times [2021-06-07 02:31:20,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:31:20,366 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379203599] [2021-06-07 02:31:20,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:31:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:31:20,470 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:31:20,470 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:31:20,474 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379203599] [2021-06-07 02:31:20,475 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379203599] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:31:20,475 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475209458] [2021-06-07 02:31:20,475 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:31:20,512 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-07 02:31:20,512 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:31:20,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-07 02:31:20,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:31:20,732 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:31:20,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-06-07 02:31:20,756 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:31:20,757 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:31:20,757 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:31:20,758 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-06-07 02:31:20,773 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:31:20,774 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [475209458] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:31:20,774 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:31:20,774 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-07 02:31:20,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021190413] [2021-06-07 02:31:20,774 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-07 02:31:20,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:31:20,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-07 02:31:20,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-06-07 02:31:20,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:31:20,775 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:31:20,775 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:31:20,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:31:20,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:31:20,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:20,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:31:20,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:31:20,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:31:20,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:20,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:21,056 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:31:21,057 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:31:21,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:31:21,057 INFO L82 PathProgramCache]: Analyzing trace with hash -798664521, now seen corresponding path program 4 times [2021-06-07 02:31:21,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:31:21,058 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363950801] [2021-06-07 02:31:21,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:31:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:31:21,094 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:31:21,094 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:31:21,094 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363950801] [2021-06-07 02:31:21,094 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363950801] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:31:21,095 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827088336] [2021-06-07 02:31:21,095 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:31:21,141 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 02:31:21,141 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:31:21,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-07 02:31:21,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:31:21,189 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:31:21,191 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827088336] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:31:21,191 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:31:21,191 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-06-07 02:31:21,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329352901] [2021-06-07 02:31:21,191 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-07 02:31:21,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:31:21,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-07 02:31:21,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-06-07 02:31:21,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:31:21,192 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:31:21,192 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:31:21,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:31:21,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:31:21,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:21,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:21,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:31:21,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:31:21,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:31:21,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:21,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:21,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:31:21,440 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-06-07 02:31:21,441 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:31:21,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:31:21,441 INFO L82 PathProgramCache]: Analyzing trace with hash 1836816026, now seen corresponding path program 1 times [2021-06-07 02:31:21,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:31:21,441 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979485149] [2021-06-07 02:31:21,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:31:21,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:31:21,527 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:31:21,527 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:31:21,527 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979485149] [2021-06-07 02:31:21,527 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979485149] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:31:21,528 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [186385953] [2021-06-07 02:31:21,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:31:21,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:31:21,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-07 02:31:21,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:31:21,760 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:31:21,760 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 [2021-06-07 02:31:21,786 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:31:21,787 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:31:21,788 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:31:21,788 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-06-07 02:31:21,793 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:31:21,793 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [186385953] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:31:21,793 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:31:21,793 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-06-07 02:31:21,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231148658] [2021-06-07 02:31:21,793 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-07 02:31:21,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:31:21,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-07 02:31:21,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2021-06-07 02:31:21,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:31:21,794 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:31:21,794 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:31:21,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:31:21,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:31:21,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:21,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:21,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:31:21,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:31:21,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:31:21,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:31:21,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:21,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:21,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:31:21,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:31:22,127 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:31:22,127 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:31:22,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:31:22,127 INFO L82 PathProgramCache]: Analyzing trace with hash 2020244300, now seen corresponding path program 2 times [2021-06-07 02:31:22,128 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:31:22,128 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866762455] [2021-06-07 02:31:22,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:31:22,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:31:22,234 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:31:22,234 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:31:22,234 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866762455] [2021-06-07 02:31:22,234 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866762455] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:31:22,234 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019478291] [2021-06-07 02:31:22,234 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-06-07 02:31:22,269 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 02:31:22,269 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:31:22,270 WARN L261 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 36 conjunts are in the unsatisfiable core [2021-06-07 02:31:22,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:31:22,467 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:31:22,468 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 [2021-06-07 02:31:22,576 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:31:22,577 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:31:22,578 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:31:22,578 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-06-07 02:31:22,584 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:31:22,584 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2019478291] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:31:22,584 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:31:22,584 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-06-07 02:31:22,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674646638] [2021-06-07 02:31:22,585 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-07 02:31:22,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:31:22,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-07 02:31:22,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-06-07 02:31:22,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:31:22,586 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:31:22,586 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:31:22,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:31:22,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:31:22,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:22,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:22,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:31:22,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:31:22,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:31:22,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:31:22,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:31:22,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:22,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:22,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:31:22,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:31:22,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:31:22,911 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-06-07 02:31:22,911 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:31:22,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:31:22,912 INFO L82 PathProgramCache]: Analyzing trace with hash -883413798, now seen corresponding path program 3 times [2021-06-07 02:31:22,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:31:22,912 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896869108] [2021-06-07 02:31:22,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:31:22,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:31:23,036 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:31:23,037 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:31:23,037 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896869108] [2021-06-07 02:31:23,037 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896869108] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:31:23,037 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [260099488] [2021-06-07 02:31:23,037 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:31:23,076 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-07 02:31:23,076 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:31:23,077 WARN L261 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 40 conjunts are in the unsatisfiable core [2021-06-07 02:31:23,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:31:23,314 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:31:23,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 31 treesize of output 142 [2021-06-07 02:31:23,559 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:31:23,560 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:31:23,560 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:31:23,560 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-06-07 02:31:23,565 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:31:23,565 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [260099488] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:31:23,565 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:31:23,565 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-07 02:31:23,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492005258] [2021-06-07 02:31:23,565 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-07 02:31:23,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:31:23,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-07 02:31:23,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2021-06-07 02:31:23,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:31:23,566 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:31:23,566 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.380952380952381) internal successors, (29), 20 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:31:23,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:31:23,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:31:23,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:23,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:23,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:31:23,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:31:23,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:31:23,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:31:23,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:31:23,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:31:23,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:23,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:23,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:31:23,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:31:23,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:31:23,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:31:23,916 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-06-07 02:31:23,917 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:31:23,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:31:23,917 INFO L82 PathProgramCache]: Analyzing trace with hash -702501620, now seen corresponding path program 4 times [2021-06-07 02:31:23,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:31:23,917 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224653994] [2021-06-07 02:31:23,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:31:23,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:31:24,042 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:31:24,043 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:31:24,043 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224653994] [2021-06-07 02:31:24,043 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224653994] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:31:24,043 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1683634670] [2021-06-07 02:31:24,043 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:31:24,067 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 02:31:24,067 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:31:24,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 34 conjunts are in the unsatisfiable core [2021-06-07 02:31:24,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:31:24,366 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:31:24,366 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 [2021-06-07 02:31:24,873 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:31:24,874 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:31:24,875 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:31:24,875 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:3 [2021-06-07 02:31:24,880 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:31:24,880 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1683634670] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:31:24,880 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:31:24,880 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-07 02:31:24,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841932017] [2021-06-07 02:31:24,882 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-07 02:31:24,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:31:24,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-07 02:31:24,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-06-07 02:31:24,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:31:24,883 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:31:24,883 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 20 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:31:24,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:31:24,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:31:24,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:24,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:24,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:31:24,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:31:24,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:31:24,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:31:24,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:31:25,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:31:25,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:31:25,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:25,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:25,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:31:25,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:31:25,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:31:25,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:31:25,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:31:25,245 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:31:25,246 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:31:25,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:31:25,246 INFO L82 PathProgramCache]: Analyzing trace with hash 610808602, now seen corresponding path program 5 times [2021-06-07 02:31:25,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:31:25,246 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521627310] [2021-06-07 02:31:25,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:31:25,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:31:25,311 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 21 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:31:25,312 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:31:25,312 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521627310] [2021-06-07 02:31:25,312 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521627310] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:31:25,312 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382277605] [2021-06-07 02:31:25,312 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:31:25,353 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-07 02:31:25,353 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:31:25,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-07 02:31:25,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:31:25,391 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:31:25,391 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382277605] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:31:25,391 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:31:25,391 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2021-06-07 02:31:25,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650045503] [2021-06-07 02:31:25,392 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-07 02:31:25,392 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:31:25,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-07 02:31:25,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-06-07 02:31:25,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:31:25,392 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:31:25,392 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:31:25,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:31:25,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:31:25,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:25,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:25,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:31:25,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:31:25,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:31:25,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:31:25,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:31:25,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:31:25,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:31:25,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:31:25,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:25,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:25,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:31:25,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:31:25,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:31:25,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:31:25,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:31:25,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 02:31:25,700 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable199 [2021-06-07 02:31:25,700 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:31:25,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:31:25,701 INFO L82 PathProgramCache]: Analyzing trace with hash -1714157417, now seen corresponding path program 6 times [2021-06-07 02:31:25,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:31:25,701 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315538556] [2021-06-07 02:31:25,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:31:25,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:31:25,834 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:31:25,834 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:31:25,834 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315538556] [2021-06-07 02:31:25,834 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315538556] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:31:25,834 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1105686058] [2021-06-07 02:31:25,834 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:31:25,895 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-07 02:31:25,895 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:31:25,896 WARN L261 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 43 conjunts are in the unsatisfiable core [2021-06-07 02:31:25,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:31:26,325 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:31:26,325 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 [2021-06-07 02:31:27,741 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 206 [2021-06-07 02:31:28,158 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:31:28,159 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:31:28,159 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:31:28,159 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-06-07 02:31:28,164 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:31:28,164 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1105686058] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:31:28,164 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:31:28,164 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2021-06-07 02:31:28,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432983743] [2021-06-07 02:31:28,165 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-07 02:31:28,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:31:28,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-07 02:31:28,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2021-06-07 02:31:28,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:31:28,165 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:31:28,165 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 26 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:31:28,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:31:28,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:31:28,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:28,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:28,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:31:28,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:31:28,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:31:28,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:31:28,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:31:28,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 02:31:28,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:31:28,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:31:28,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:31:28,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:28,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:28,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:31:28,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:31:28,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:31:28,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:31:28,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:31:28,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 02:31:28,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 02:31:28,638 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable200 [2021-06-07 02:31:28,638 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:31:28,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:31:28,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1951548197, now seen corresponding path program 7 times [2021-06-07 02:31:28,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:31:28,639 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16578336] [2021-06-07 02:31:28,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:31:28,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:31:28,821 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:31:28,821 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:31:28,821 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16578336] [2021-06-07 02:31:28,821 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16578336] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:31:28,821 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [68269060] [2021-06-07 02:31:28,821 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:31:28,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:31:28,847 WARN L261 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 56 conjunts are in the unsatisfiable core [2021-06-07 02:31:28,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:31:29,348 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-06-07 02:31:29,348 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:31:29,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 43 treesize of output 319 [2021-06-07 02:31:30,398 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 269 [2021-06-07 02:31:31,196 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 214 [2021-06-07 02:31:31,347 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 247 [2021-06-07 02:31:31,638 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-06-07 02:31:31,927 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-06-07 02:31:32,262 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 387 [2021-06-07 02:31:32,646 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 257 [2021-06-07 02:31:33,370 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-06-07 02:31:33,499 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-06-07 02:31:33,688 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 282 [2021-06-07 02:31:34,657 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:31:34,658 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:31:34,659 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:31:34,659 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-06-07 02:31:34,664 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:31:34,664 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [68269060] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:31:34,664 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:31:34,664 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2021-06-07 02:31:34,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145468531] [2021-06-07 02:31:34,665 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-07 02:31:34,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:31:34,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-07 02:31:34,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=742, Unknown=0, NotChecked=0, Total=812 [2021-06-07 02:31:34,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:31:34,666 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:31:34,666 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 28 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:31:34,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:31:34,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:31:34,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:34,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:34,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:31:34,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:31:34,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:31:34,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:31:34,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:31:34,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 02:31:34,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 02:31:34,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:31:34,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:31:34,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:31:34,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:34,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:34,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:31:34,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:31:34,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:31:34,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:31:34,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:31:34,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 02:31:34,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 02:31:34,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:31:35,129 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable444 [2021-06-07 02:31:35,129 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:31:35,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:31:35,129 INFO L82 PathProgramCache]: Analyzing trace with hash -375694761, now seen corresponding path program 8 times [2021-06-07 02:31:35,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:31:35,129 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578988725] [2021-06-07 02:31:35,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:31:35,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:31:35,331 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:31:35,332 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:31:35,332 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578988725] [2021-06-07 02:31:35,332 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578988725] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:31:35,332 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1411583599] [2021-06-07 02:31:35,332 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:31:35,366 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 02:31:35,366 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:31:35,367 WARN L261 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 60 conjunts are in the unsatisfiable core [2021-06-07 02:31:35,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:31:35,965 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-06-07 02:31:35,965 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:31:35,966 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 [2021-06-07 02:31:36,969 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 265 [2021-06-07 02:31:37,153 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-06-07 02:31:37,328 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-06-07 02:31:37,533 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 298 [2021-06-07 02:31:37,913 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 419 [2021-06-07 02:31:38,131 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 367 [2021-06-07 02:31:38,374 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 330 [2021-06-07 02:31:38,574 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 298 [2021-06-07 02:31:39,025 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 261 [2021-06-07 02:31:39,796 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 358 [2021-06-07 02:31:40,032 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 329 [2021-06-07 02:31:40,151 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 245 [2021-06-07 02:31:41,310 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 356 [2021-06-07 02:31:41,767 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 494 [2021-06-07 02:31:41,965 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 304 [2021-06-07 02:31:42,859 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 239 [2021-06-07 02:31:43,363 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 245 [2021-06-07 02:31:43,835 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 219 [2021-06-07 02:31:44,175 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 342 [2021-06-07 02:31:44,948 WARN L205 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-06-07 02:31:45,723 WARN L205 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-06-07 02:31:46,572 WARN L205 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 1050 DAG size of output: 663 [2021-06-07 02:31:47,585 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 665 DAG size of output: 835 [2021-06-07 02:31:47,761 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 361 [2021-06-07 02:31:48,581 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 271 [2021-06-07 02:31:48,921 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 538 [2021-06-07 02:31:49,349 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 342 [2021-06-07 02:31:49,831 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-06-07 02:31:50,314 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-06-07 02:31:50,860 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 465 [2021-06-07 02:31:51,425 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 616 [2021-06-07 02:31:51,671 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 373 [2021-06-07 02:31:51,878 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 375 [2021-06-07 02:31:52,091 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 343 [2021-06-07 02:31:52,910 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 277 [2021-06-07 02:31:53,535 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 380 [2021-06-07 02:31:53,819 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 437 [2021-06-07 02:31:54,573 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 197 [2021-06-07 02:31:55,042 WARN L205 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 899 DAG size of output: 562 [2021-06-07 02:31:55,559 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 436 [2021-06-07 02:31:56,578 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 254 [2021-06-07 02:31:57,447 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 422 [2021-06-07 02:31:58,544 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 819 DAG size of output: 545 [2021-06-07 02:31:59,671 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-06-07 02:32:00,718 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-06-07 02:32:01,838 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 1554 DAG size of output: 954 [2021-06-07 02:32:02,000 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 611 [2021-06-07 02:32:02,343 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 447 [2021-06-07 02:32:03,024 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 294 [2021-06-07 02:32:03,190 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-06-07 02:32:03,357 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-06-07 02:32:03,531 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 634 DAG size of output: 338 [2021-06-07 02:32:03,716 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 321 [2021-06-07 02:32:04,041 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:32:04,042 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:32:04,042 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:32:04,042 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-06-07 02:32:04,046 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:32:04,047 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1411583599] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:32:04,047 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:32:04,047 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-06-07 02:32:04,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651895131] [2021-06-07 02:32:04,049 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-07 02:32:04,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:32:04,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-07 02:32:04,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=855, Unknown=0, NotChecked=0, Total=930 [2021-06-07 02:32:04,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:32:04,050 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:32:04,051 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) [2021-06-07 02:32:04,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:32:04,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:32:04,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:32:04,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:32:04,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:32:04,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:32:04,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:32:04,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:32:04,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:32:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 02:32:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 02:32:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:32:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:32:04,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:32:04,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:32:04,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:32:04,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:32:04,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:32:04,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:32:04,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:32:04,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:32:04,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:32:04,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 02:32:04,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 02:32:04,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:32:04,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 02:32:04,541 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable903 [2021-06-07 02:32:04,541 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:32:04,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:32:04,541 INFO L82 PathProgramCache]: Analyzing trace with hash 494217573, now seen corresponding path program 9 times [2021-06-07 02:32:04,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:32:04,541 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280076833] [2021-06-07 02:32:04,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:32:04,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:32:04,709 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:32:04,709 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:32:04,709 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280076833] [2021-06-07 02:32:04,709 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280076833] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:32:04,709 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [73736209] [2021-06-07 02:32:04,709 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:32:04,747 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-06-07 02:32:04,747 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:32:04,748 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 51 conjunts are in the unsatisfiable core [2021-06-07 02:32:04,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:32:05,316 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-06-07 02:32:05,316 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:32:05,316 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 [2021-06-07 02:32:06,534 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 351 [2021-06-07 02:32:06,697 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 372 [2021-06-07 02:32:06,898 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 408 [2021-06-07 02:32:08,207 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 389 [2021-06-07 02:32:08,398 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 409 [2021-06-07 02:32:08,642 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 445 [2021-06-07 02:32:09,176 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 727 [2021-06-07 02:32:09,714 WARN L205 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 1110 DAG size of output: 728 [2021-06-07 02:32:10,364 WARN L205 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 753 [2021-06-07 02:32:11,129 WARN L205 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 1155 DAG size of output: 775 [2021-06-07 02:32:12,003 WARN L205 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-06-07 02:32:12,871 WARN L205 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-06-07 02:32:13,904 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 1192 DAG size of output: 813 [2021-06-07 02:32:16,166 WARN L205 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 815 DAG size of output: 982 [2021-06-07 02:32:17,849 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 786 DAG size of output: 884 [2021-06-07 02:32:18,905 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 765 DAG size of output: 798 [2021-06-07 02:32:20,460 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 754 DAG size of output: 1042 [2021-06-07 02:32:21,291 WARN L205 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 844 [2021-06-07 02:32:21,621 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 317 [2021-06-07 02:32:22,548 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 179 [2021-06-07 02:32:22,660 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 256 [2021-06-07 02:32:22,809 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-06-07 02:32:23,848 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 230 [2021-06-07 02:32:24,039 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 252 [2021-06-07 02:32:24,243 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 259 [2021-06-07 02:32:25,091 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 199 [2021-06-07 02:32:25,412 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 331 [2021-06-07 02:32:25,826 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 350 [2021-06-07 02:32:26,939 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 213 [2021-06-07 02:32:27,108 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 217 [2021-06-07 02:32:27,640 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 246 [2021-06-07 02:32:28,120 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 331 [2021-06-07 02:32:28,288 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 262 [2021-06-07 02:32:28,501 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 324 [2021-06-07 02:32:28,662 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 244 [2021-06-07 02:32:29,284 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 257 [2021-06-07 02:32:29,572 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 218 [2021-06-07 02:32:29,695 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 210 [2021-06-07 02:32:29,854 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 228 [2021-06-07 02:32:30,022 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 241 [2021-06-07 02:32:30,603 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 210 [2021-06-07 02:32:31,246 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 238 [2021-06-07 02:32:31,415 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 282 [2021-06-07 02:32:31,667 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 300 [2021-06-07 02:32:31,996 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 296 [2021-06-07 02:32:33,324 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 216 [2021-06-07 02:32:33,479 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 235 [2021-06-07 02:32:33,949 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 834 DAG size of output: 313 [2021-06-07 02:32:34,987 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 1222 DAG size of output: 455 [2021-06-07 02:32:36,425 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1424 DAG size of output: 577 [2021-06-07 02:32:36,590 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 277 [2021-06-07 02:32:36,800 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 283 [2021-06-07 02:32:36,949 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 273 [2021-06-07 02:32:37,777 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 239 [2021-06-07 02:32:37,943 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 285 [2021-06-07 02:32:38,285 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 219 [2021-06-07 02:32:39,210 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 247 [2021-06-07 02:32:39,446 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 311 [2021-06-07 02:32:40,487 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 186 [2021-06-07 02:32:40,684 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 201 [2021-06-07 02:32:41,177 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 400 [2021-06-07 02:32:41,811 WARN L205 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 483 [2021-06-07 02:32:42,543 WARN L205 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 720 DAG size of output: 507 [2021-06-07 02:32:43,857 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 251 [2021-06-07 02:32:44,012 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 272 [2021-06-07 02:32:44,250 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 285 [2021-06-07 02:32:44,524 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 288 [2021-06-07 02:32:45,226 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 226 [2021-06-07 02:32:45,675 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 208 [2021-06-07 02:32:45,922 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 282 [2021-06-07 02:32:46,461 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 216 [2021-06-07 02:32:46,810 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 311 [2021-06-07 02:32:47,168 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 354 [2021-06-07 02:32:48,109 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 217 [2021-06-07 02:32:48,275 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 217 [2021-06-07 02:32:48,906 WARN L205 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 451 [2021-06-07 02:32:49,640 WARN L205 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 723 DAG size of output: 463 [2021-06-07 02:32:50,925 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1029 DAG size of output: 672 [2021-06-07 02:32:53,039 WARN L205 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 1517 DAG size of output: 968 [2021-06-07 02:32:53,983 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 286 [2021-06-07 02:32:54,146 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 287 [2021-06-07 02:32:54,782 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 312 [2021-06-07 02:32:55,469 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 325 [2021-06-07 02:32:55,832 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 328 [2021-06-07 02:32:55,974 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-06-07 02:32:56,922 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 288 [2021-06-07 02:32:57,766 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 171 [2021-06-07 02:32:57,968 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2021-06-07 02:32:58,375 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 373 [2021-06-07 02:32:59,402 WARN L205 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 452 [2021-06-07 02:32:59,990 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 211 [2021-06-07 02:33:00,439 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 235 [2021-06-07 02:33:00,690 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 297 [2021-06-07 02:33:01,224 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 227 [2021-06-07 02:33:01,650 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 393 [2021-06-07 02:33:02,090 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 397 [2021-06-07 02:33:02,877 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 222 [2021-06-07 02:33:03,219 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 264 [2021-06-07 02:33:04,037 WARN L205 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 541 [2021-06-07 02:33:05,047 WARN L205 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 680 DAG size of output: 566 [2021-06-07 02:33:06,580 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 1012 DAG size of output: 839 [2021-06-07 02:33:08,934 WARN L205 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 1410 DAG size of output: 1099 [2021-06-07 02:33:13,810 WARN L205 SmtUtils]: Spent 4.87 s on a formula simplification. DAG size of input: 2226 DAG size of output: 1704 [2021-06-07 02:33:20,323 WARN L205 SmtUtils]: Spent 6.50 s on a formula simplification. DAG size of input: 3213 DAG size of output: 1793 [2021-06-07 02:33:28,483 WARN L205 SmtUtils]: Spent 8.14 s on a formula simplification. DAG size of input: 3741 DAG size of output: 2301 [2021-06-07 02:33:38,035 WARN L205 SmtUtils]: Spent 9.53 s on a formula simplification. DAG size of input: 4093 DAG size of output: 2511 [2021-06-07 02:33:39,320 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 739 DAG size of output: 1024 [2021-06-07 02:33:40,152 WARN L205 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 826 [2021-06-07 02:33:40,318 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 281 [2021-06-07 02:33:40,551 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 294 [2021-06-07 02:33:41,773 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 243 [2021-06-07 02:33:42,256 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 284 [2021-06-07 02:33:42,896 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-06-07 02:33:43,018 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-06-07 02:33:43,498 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2021-06-07 02:33:43,949 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 243 [2021-06-07 02:33:44,202 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-06-07 02:33:44,445 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-06-07 02:33:44,887 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 428 [2021-06-07 02:33:45,636 WARN L205 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 566 [2021-06-07 02:33:46,344 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 156 [2021-06-07 02:33:46,526 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2021-06-07 02:33:47,389 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 239 [2021-06-07 02:33:47,626 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 291 [2021-06-07 02:33:48,078 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 392 [2021-06-07 02:33:49,377 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 859 DAG size of output: 794 [2021-06-07 02:33:50,907 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1020 DAG size of output: 881 [2021-06-07 02:33:51,189 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 235 [2021-06-07 02:33:51,336 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 297 [2021-06-07 02:33:51,463 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 236 [2021-06-07 02:33:51,688 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 244 [2021-06-07 02:33:52,382 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 207 [2021-06-07 02:33:52,677 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 334 [2021-06-07 02:33:53,140 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 209 [2021-06-07 02:33:53,266 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 226 [2021-06-07 02:33:53,788 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 310 [2021-06-07 02:33:54,370 WARN L205 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 446 [2021-06-07 02:33:54,559 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 195 [2021-06-07 02:33:55,284 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 256 [2021-06-07 02:33:55,651 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 308 [2021-06-07 02:33:56,448 WARN L205 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 508 [2021-06-07 02:33:57,092 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 156 [2021-06-07 02:33:57,248 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 173 [2021-06-07 02:33:57,488 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 215 [2021-06-07 02:33:58,048 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 205 [2021-06-07 02:33:58,730 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 262 [2021-06-07 02:33:59,315 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 284 [2021-06-07 02:33:59,669 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 348 [2021-06-07 02:34:00,899 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 994 DAG size of output: 708 [2021-06-07 02:34:02,350 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 1148 DAG size of output: 774 [2021-06-07 02:34:05,576 WARN L205 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 1747 DAG size of output: 1412 [2021-06-07 02:34:05,684 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 253 [2021-06-07 02:34:05,833 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 259 [2021-06-07 02:34:05,944 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 256 [2021-06-07 02:34:06,799 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 190 [2021-06-07 02:34:07,668 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 203 [2021-06-07 02:34:07,864 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 249 [2021-06-07 02:34:08,063 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 321 [2021-06-07 02:34:08,252 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 260 [2021-06-07 02:34:08,564 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 192 [2021-06-07 02:34:08,922 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 249 [2021-06-07 02:34:09,096 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 271 [2021-06-07 02:34:09,366 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 251 [2021-06-07 02:34:09,818 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 251 [2021-06-07 02:34:10,003 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 274 [2021-06-07 02:34:10,257 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 321 [2021-06-07 02:34:10,393 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 238 [2021-06-07 02:34:11,008 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 253 [2021-06-07 02:34:11,378 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 213 [2021-06-07 02:34:11,573 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 242 [2021-06-07 02:34:11,837 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 265 [2021-06-07 02:34:12,246 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 330 [2021-06-07 02:34:12,853 WARN L205 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 911 DAG size of output: 360 [2021-06-07 02:34:12,987 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 245 [2021-06-07 02:34:13,906 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 225 [2021-06-07 02:34:14,858 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 261 [2021-06-07 02:34:15,067 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-06-07 02:34:15,279 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-06-07 02:34:15,625 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 357 [2021-06-07 02:34:16,120 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 385 [2021-06-07 02:34:17,076 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 218 [2021-06-07 02:34:17,315 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 242 [2021-06-07 02:34:17,815 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 350 [2021-06-07 02:34:19,028 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 1315 DAG size of output: 518 [2021-06-07 02:34:24,202 WARN L205 SmtUtils]: Spent 5.17 s on a formula simplification. DAG size of input: 2765 DAG size of output: 1722 [2021-06-07 02:34:30,047 WARN L205 SmtUtils]: Spent 5.83 s on a formula simplification. DAG size of input: 2888 DAG size of output: 1777 [2021-06-07 02:34:37,300 WARN L205 SmtUtils]: Spent 7.24 s on a formula simplification. DAG size of input: 3423 DAG size of output: 2286 [2021-06-07 02:34:45,953 WARN L205 SmtUtils]: Spent 8.64 s on a formula simplification. DAG size of input: 3768 DAG size of output: 2589 [2021-06-07 02:34:46,891 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 242 [2021-06-07 02:34:47,730 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 227 [2021-06-07 02:34:47,891 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 257 [2021-06-07 02:34:48,919 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2021-06-07 02:34:49,076 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 268 [2021-06-07 02:34:49,254 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 266 [2021-06-07 02:34:49,534 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 348 [2021-06-07 02:34:50,408 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 411 [2021-06-07 02:34:50,927 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 475 [2021-06-07 02:34:51,657 WARN L205 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 486 [2021-06-07 02:34:52,501 WARN L205 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 495 [2021-06-07 02:34:54,004 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 223 [2021-06-07 02:34:54,126 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 237 [2021-06-07 02:34:54,277 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 235 [2021-06-07 02:34:54,500 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 303 [2021-06-07 02:34:55,210 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 350 [2021-06-07 02:34:55,961 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 194 [2021-06-07 02:34:56,348 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 386 [2021-06-07 02:34:56,897 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 399 [2021-06-07 02:34:58,460 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 1065 DAG size of output: 745 [2021-06-07 02:35:00,138 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 1077 DAG size of output: 744 [2021-06-07 02:35:02,067 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 1098 DAG size of output: 750 [2021-06-07 02:35:14,172 WARN L205 SmtUtils]: Spent 12.10 s on a formula simplification. DAG size of input: 4707 DAG size of output: 3202 [2021-06-07 02:35:37,425 WARN L205 SmtUtils]: Spent 23.23 s on a formula simplification. DAG size of input: 6894 DAG size of output: 4324 [2021-06-07 02:36:03,636 WARN L205 SmtUtils]: Spent 26.18 s on a formula simplification. DAG size of input: 7322 DAG size of output: 4477 [2021-06-07 02:36:04,757 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 317 [2021-06-07 02:36:04,910 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 343 [2021-06-07 02:36:06,276 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 378 [2021-06-07 02:36:06,482 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 404 [2021-06-07 02:36:06,904 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 627 [2021-06-07 02:36:07,406 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 654 [2021-06-07 02:36:36,756 WARN L205 SmtUtils]: Spent 29.33 s on a formula simplification. DAG size of input: 8002 DAG size of output: 4954 [2021-06-07 02:37:10,192 WARN L205 SmtUtils]: Spent 33.40 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-06-07 02:37:43,544 WARN L205 SmtUtils]: Spent 33.32 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-06-07 02:38:20,573 WARN L205 SmtUtils]: Spent 37.00 s on a formula simplification. DAG size of input: 8440 DAG size of output: 5295 [2021-06-07 02:39:16,508 WARN L205 SmtUtils]: Spent 55.90 s on a formula simplification. DAG size of input: 5297 DAG size of output: 7538 [2021-06-07 02:40:12,612 WARN L205 SmtUtils]: Spent 56.06 s on a formula simplification. DAG size of input: 4323 DAG size of output: 6374 [2021-06-07 02:41:11,073 WARN L205 SmtUtils]: Spent 58.43 s on a formula simplification. DAG size of input: 3823 DAG size of output: 4222 [2021-06-07 02:41:18,570 WARN L205 SmtUtils]: Spent 7.47 s on a formula simplification. DAG size of input: 1942 DAG size of output: 1778 [2021-06-07 02:41:31,609 WARN L205 SmtUtils]: Spent 13.03 s on a formula simplification. DAG size of input: 1680 DAG size of output: 1578 [2021-06-07 02:41:31,879 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 1450 [2021-06-07 02:41:40,332 WARN L205 SmtUtils]: Spent 8.45 s on a formula simplification. DAG size of input: 1347 DAG size of output: 1954 [2021-06-07 02:41:40,836 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 1150 DAG size of output: 1150 [2021-06-07 02:41:41,212 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 1034 DAG size of output: 1034 [2021-06-07 02:41:45,954 WARN L205 SmtUtils]: Spent 4.21 s on a formula simplification. DAG size of input: 981 DAG size of output: 1395 [2021-06-07 02:41:46,070 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 872 [2021-06-07 02:41:46,178 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 595 [2021-06-07 02:41:47,224 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 272 [2021-06-07 02:41:47,674 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 331 [2021-06-07 02:41:47,974 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 377 [2021-06-07 02:41:49,045 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 472 [2021-06-07 02:41:49,151 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 535 [2021-06-07 02:41:49,629 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 187 [2021-06-07 02:41:49,990 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 266 [2021-06-07 02:41:51,073 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 289 [2021-06-07 02:41:51,335 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 337 [2021-06-07 02:41:51,704 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 399 [2021-06-07 02:41:52,194 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 752 DAG size of output: 473 [2021-06-07 02:41:53,281 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 1245 DAG size of output: 754 [2021-06-07 02:41:53,494 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 778 [2021-06-07 02:41:54,725 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 244 [2021-06-07 02:41:54,884 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 279 [2021-06-07 02:41:55,391 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 355 [2021-06-07 02:41:55,736 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 427 [2021-06-07 02:41:57,447 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 216 [2021-06-07 02:41:57,881 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 294 [2021-06-07 02:41:58,156 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 361 [2021-06-07 02:41:58,530 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 434 [2021-06-07 02:41:59,396 WARN L205 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 1001 DAG size of output: 614 [2021-06-07 02:42:01,581 WARN L205 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 1979 DAG size of output: 1146 [2021-06-07 02:42:04,181 WARN L205 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 2136 DAG size of output: 1241 [2021-06-07 02:42:07,272 WARN L205 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 2252 DAG size of output: 1326 [2021-06-07 02:42:12,566 WARN L205 SmtUtils]: Spent 5.28 s on a formula simplification. DAG size of input: 3080 DAG size of output: 1978 [2021-06-07 02:42:12,949 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 294 [2021-06-07 02:42:13,151 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 228 [2021-06-07 02:42:14,470 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 227 [2021-06-07 02:42:14,712 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 301 [2021-06-07 02:42:15,069 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 370 [2021-06-07 02:42:20,849 WARN L205 SmtUtils]: Spent 5.77 s on a formula simplification. DAG size of input: 3478 DAG size of output: 2225 [2021-06-07 02:42:21,447 WARN L205 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 431 [2021-06-07 02:42:22,200 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 243 [2021-06-07 02:42:22,351 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 237 [2021-06-07 02:42:22,578 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 247 [2021-06-07 02:42:22,683 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 217 [2021-06-07 02:42:23,384 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 241 [2021-06-07 02:42:23,530 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 266 [2021-06-07 02:42:24,296 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 310 [2021-06-07 02:42:24,501 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 316 [2021-06-07 02:42:24,851 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 411 [2021-06-07 02:42:25,486 WARN L205 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 543 [2021-06-07 02:42:26,309 WARN L205 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 909 DAG size of output: 604 [2021-06-07 02:42:33,692 WARN L205 SmtUtils]: Spent 7.38 s on a formula simplification. DAG size of input: 4146 DAG size of output: 2641 [2021-06-07 02:42:42,232 WARN L205 SmtUtils]: Spent 8.52 s on a formula simplification. DAG size of input: 4264 DAG size of output: 2757 [2021-06-07 02:42:59,539 WARN L205 SmtUtils]: Spent 17.28 s on a formula simplification. DAG size of input: 6395 DAG size of output: 4339 [2021-06-07 02:43:25,402 WARN L205 SmtUtils]: Spent 25.82 s on a formula simplification. DAG size of input: 4239 DAG size of output: 3919 [2021-06-07 02:44:36,967 WARN L205 SmtUtils]: Spent 1.19 m on a formula simplification. DAG size of input: 3721 DAG size of output: 4036 [2021-06-07 02:44:54,966 WARN L205 SmtUtils]: Spent 17.98 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1732 [2021-06-07 02:44:55,387 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 306 [2021-06-07 02:44:55,614 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 236 [2021-06-07 02:44:56,705 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 278 [2021-06-07 02:44:56,949 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 322 [2021-06-07 02:44:57,101 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 201 [2021-06-07 02:44:57,903 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 254 [2021-06-07 02:44:58,125 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 271 [2021-06-07 02:44:58,419 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 290 [2021-06-07 02:44:59,243 WARN L205 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 477 [2021-06-07 02:44:59,948 WARN L205 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 1605 DAG size of output: 1605 [2021-06-07 02:45:17,175 WARN L205 SmtUtils]: Spent 17.22 s on a formula simplification. DAG size of input: 1500 DAG size of output: 2098 [2021-06-07 02:45:24,529 WARN L205 SmtUtils]: Spent 7.34 s on a formula simplification. DAG size of input: 1251 DAG size of output: 1697 [2021-06-07 02:45:29,346 WARN L205 SmtUtils]: Spent 4.81 s on a formula simplification. DAG size of input: 1076 DAG size of output: 1519 [2021-06-07 02:45:29,657 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 1018 DAG size of output: 1018 [2021-06-07 02:45:29,916 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 907 DAG size of output: 907 [2021-06-07 02:45:30,171 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 867 [2021-06-07 02:45:30,289 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 590 [2021-06-07 02:45:31,357 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 223 [2021-06-07 02:45:31,605 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 267 [2021-06-07 02:45:31,855 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 332 [2021-06-07 02:45:31,971 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 562 [2021-06-07 02:45:32,180 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 481 DAG size of output: 481 [2021-06-07 02:45:32,714 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 219 [2021-06-07 02:45:32,989 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 266 [2021-06-07 02:45:33,203 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 321 [2021-06-07 02:45:33,732 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 855 DAG size of output: 444 [2021-06-07 02:45:34,415 WARN L205 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 484 [2021-06-07 02:45:35,250 WARN L205 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 1002 DAG size of output: 563 [2021-06-07 02:45:35,517 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 1043 DAG size of output: 1043 [2021-06-07 02:45:35,754 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 927 DAG size of output: 927 [2021-06-07 02:45:36,112 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 880 [2021-06-07 02:45:37,198 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 262 [2021-06-07 02:45:37,384 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 298 [2021-06-07 02:45:37,638 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 342 [2021-06-07 02:45:38,856 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 210 [2021-06-07 02:45:38,997 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 247 [2021-06-07 02:45:39,181 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 281 [2021-06-07 02:45:39,466 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 610 DAG size of output: 352 [2021-06-07 02:45:40,053 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 909 DAG size of output: 494 [2021-06-07 02:45:40,807 WARN L205 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 1019 DAG size of output: 574 [2021-06-07 02:45:41,769 WARN L205 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 1133 DAG size of output: 659 [2021-06-07 02:45:43,757 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 1647 DAG size of output: 921 [2021-06-07 02:45:44,080 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 913 [2021-06-07 02:45:44,448 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 851 [2021-06-07 02:45:44,604 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 611 [2021-06-07 02:45:45,191 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 441 [2021-06-07 02:45:45,840 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 265 [2021-06-07 02:45:46,502 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 212 [2021-06-07 02:45:46,718 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 228 [2021-06-07 02:45:46,962 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 285 [2021-06-07 02:45:47,296 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 336 [2021-06-07 02:45:47,750 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 677 DAG size of output: 408 [2021-06-07 02:45:47,899 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 564 [2021-06-07 02:45:48,284 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 489 DAG size of output: 489 [2021-06-07 02:45:48,521 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 420 [2021-06-07 02:45:48,711 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 208 [2021-06-07 02:45:49,487 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 234 [2021-06-07 02:45:49,696 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 269 [2021-06-07 02:45:49,921 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 301 [2021-06-07 02:45:50,219 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 360 [2021-06-07 02:45:50,642 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 438 [2021-06-07 02:45:51,622 WARN L205 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 1022 DAG size of output: 593 [2021-06-07 02:45:52,811 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 1129 DAG size of output: 652 [2021-06-07 02:45:56,444 WARN L205 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 2503 DAG size of output: 1315 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown