/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 10:52:32,639 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 10:52:32,642 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 10:52:32,684 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-10 10:52:32,685 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-10 10:52:32,688 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-10 10:52:32,690 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-10 10:52:32,695 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-10 10:52:32,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-10 10:52:32,702 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-10 10:52:32,703 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-10 10:52:32,704 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-10 10:52:32,705 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 10:52:32,706 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 10:52:32,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 10:52:32,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 10:52:32,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 10:52:32,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 10:52:32,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 10:52:32,720 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 10:52:32,721 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 10:52:32,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 10:52:32,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 10:52:32,726 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 10:52:32,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-10 10:52:32,732 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-10 10:52:32,732 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-10 10:52:32,734 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-10 10:52:32,734 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-10 10:52:32,735 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-10 10:52:32,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-10 10:52:32,736 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-10 10:52:32,738 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-10 10:52:32,739 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-10 10:52:32,740 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-10 10:52:32,740 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-10 10:52:32,740 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-10 10:52:32,740 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-10 10:52:32,741 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 10:52:32,742 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 10:52:32,742 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 10:52:32,743 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-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2021-07-10 10:52:32,781 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 10:52:32,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 10:52:32,782 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 10:52:32,783 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 10:52:32,785 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 10:52:32,785 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 10:52:32,785 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 10:52:32,786 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 10:52:32,786 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 10:52:32,786 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 10:52:32,787 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 10:52:32,787 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 10:52:32,787 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 10:52:32,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 10:52:32,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 10:52:32,787 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 10:52:32,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 10:52:32,788 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 10:52:32,788 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 10:52:32,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 10:52:32,788 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 10:52:32,788 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 10:52:32,788 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 10:52:32,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 10:52:32,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 10:52:32,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 10:52:32,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 10:52:32,789 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 10:52:32,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 10:52:32,790 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 10:52:32,790 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 10:52:32,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 10:52:32,790 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-10 10:52:32,790 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 10:52:33,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 10:52:33,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 10:52:33,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 10:52:33,177 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 10:52:33,178 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 10:52:33,179 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-2.wvr.bpl [2021-07-10 10:52:33,179 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-2.wvr.bpl' [2021-07-10 10:52:33,206 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 10:52:33,207 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 10:52:33,209 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 10:52:33,209 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 10:52:33,209 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 10:52:33,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 10:52:33" (1/1) ... [2021-07-10 10:52:33,230 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 10:52:33" (1/1) ... [2021-07-10 10:52:33,237 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 10:52:33,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 10:52:33,240 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 10:52:33,240 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 10:52:33,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 10:52:33" (1/1) ... [2021-07-10 10:52:33,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 10:52:33" (1/1) ... [2021-07-10 10:52:33,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 10:52:33" (1/1) ... [2021-07-10 10:52:33,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 10:52:33" (1/1) ... [2021-07-10 10:52:33,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 10:52:33" (1/1) ... [2021-07-10 10:52:33,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 10:52:33" (1/1) ... [2021-07-10 10:52:33,251 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 10:52:33" (1/1) ... [2021-07-10 10:52:33,252 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 10:52:33,254 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 10:52:33,255 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 10:52:33,255 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 10:52:33,256 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 10:52:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 10:52:33,334 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 10:52:33,335 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 10:52:33,335 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 10:52:33,335 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 10:52:33,335 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 10:52:33,335 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 10:52:33,335 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 10:52:33,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 10:52:33,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 10:52:33,336 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 10:52:33,596 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 10:52:33,597 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-10 10:52:33,597 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-10 10:52:33,598 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-10 10:52:33,599 INFO L202 PluginConnector]: Adding new model unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 10:52:33 BoogieIcfgContainer [2021-07-10 10:52:33,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 10:52:33,601 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 10:52:33,601 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 10:52:33,603 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 10:52:33,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 10:52:33" (1/2) ... [2021-07-10 10:52:33,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@111327b4 and model type unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 10:52:33, skipping insertion in model container [2021-07-10 10:52:33,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 10:52:33" (2/2) ... [2021-07-10 10:52:33,606 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-2.wvr.bpl [2021-07-10 10:52:33,610 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 10:52:33,610 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 10:52:33,610 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 10:52:33,611 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 10:52:33,646 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 10:52:33,665 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 10:52:33,742 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 10:52:33,743 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 10:52:33,744 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 10:52:33,744 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 10:52:33,744 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 10:52:33,744 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 10:52:33,744 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 10:52:33,744 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 10:52:33,839 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:52:33,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:52:33,844 INFO L82 PathProgramCache]: Analyzing trace with hash -836581838, now seen corresponding path program 1 times [2021-07-10 10:52:33,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:52:33,852 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804915800] [2021-07-10 10:52:33,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:52:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:52:33,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:52:33,989 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:52:33,989 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804915800] [2021-07-10 10:52:33,990 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804915800] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 10:52:33,991 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 10:52:33,991 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 10:52:33,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991329723] [2021-07-10 10:52:33,995 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 10:52:33,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:52:34,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 10:52:34,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 10:52:34,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:52:34,013 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:52:34,014 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 10:52:34,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:52:34,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:52:34,038 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 10:52:34,038 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:52:34,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:52:34,040 INFO L82 PathProgramCache]: Analyzing trace with hash -1085923484, now seen corresponding path program 1 times [2021-07-10 10:52:34,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:52:34,041 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913389121] [2021-07-10 10:52:34,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:52:34,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:52:34,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:52:34,117 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:52:34,117 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913389121] [2021-07-10 10:52:34,117 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913389121] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:52:34,118 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1528467331] [2021-07-10 10:52:34,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:52:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:52:34,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-10 10:52:34,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 10:52:34,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:52:34,217 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1528467331] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:52:34,217 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 10:52:34,217 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-07-10 10:52:34,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128676294] [2021-07-10 10:52:34,219 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-10 10:52:34,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:52:34,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-10 10:52:34,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-10 10:52:34,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:52:34,220 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:52:34,220 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 10:52:34,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:52:34,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:52:34,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:52:34,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:52:34,469 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:52:34,469 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:52:34,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:52:34,470 INFO L82 PathProgramCache]: Analyzing trace with hash 719182065, now seen corresponding path program 1 times [2021-07-10 10:52:34,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:52:34,470 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154519041] [2021-07-10 10:52:34,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:52:34,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:52:34,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 10:52:34,533 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:52:34,533 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154519041] [2021-07-10 10:52:34,533 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154519041] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:52:34,533 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [154225730] [2021-07-10 10:52:34,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:52:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:52:34,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-10 10:52:34,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 10:52:34,593 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 10:52:34,593 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [154225730] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:52:34,594 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 10:52:34,594 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-07-10 10:52:34,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437906082] [2021-07-10 10:52:34,594 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 10:52:34,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:52:34,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 10:52:34,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 10:52:34,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:52:34,595 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:52:34,596 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 10:52:34,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:52:34,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:52:34,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:52:34,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:52:34,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:52:34,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:52:34,840 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:52:34,840 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:52:34,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:52:34,841 INFO L82 PathProgramCache]: Analyzing trace with hash 1620028835, now seen corresponding path program 2 times [2021-07-10 10:52:34,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:52:34,842 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811535990] [2021-07-10 10:52:34,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:52:34,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:52:34,900 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:52:34,900 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:52:34,901 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811535990] [2021-07-10 10:52:34,901 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811535990] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:52:34,901 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157390816] [2021-07-10 10:52:34,901 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:52:34,938 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 10:52:34,938 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 10:52:34,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-10 10:52:34,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 10:52:35,076 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 10:52:35,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 18 [2021-07-10 10:52:35,080 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 10:52:35,084 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 10:52:35,087 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 10:52:35,088 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-07-10 10:52:35,113 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:52:35,113 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [157390816] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:52:35,113 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 10:52:35,113 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 7 [2021-07-10 10:52:35,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138378051] [2021-07-10 10:52:35,114 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-10 10:52:35,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:52:35,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-10 10:52:35,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-10 10:52:35,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:52:35,115 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:52:35,115 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 10:52:35,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:52:35,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:52:35,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:52:35,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:52:35,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:52:35,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:52:35,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:52:35,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:52:35,379 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:52:35,380 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:52:35,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:52:35,380 INFO L82 PathProgramCache]: Analyzing trace with hash -518492367, now seen corresponding path program 3 times [2021-07-10 10:52:35,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:52:35,381 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127286100] [2021-07-10 10:52:35,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:52:35,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:52:35,421 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:52:35,422 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:52:35,422 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127286100] [2021-07-10 10:52:35,422 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127286100] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:52:35,422 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779034298] [2021-07-10 10:52:35,422 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:52:35,453 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 10:52:35,454 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 10:52:35,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-10 10:52:35,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 10:52:35,500 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:52:35,501 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1779034298] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:52:35,501 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 10:52:35,501 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-07-10 10:52:35,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056400813] [2021-07-10 10:52:35,501 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-10 10:52:35,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:52:35,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-10 10:52:35,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-07-10 10:52:35,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:52:35,502 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:52:35,503 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) [2021-07-10 10:52:35,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:52:35,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:52:35,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:52:35,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:52:35,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:52:35,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:52:35,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:52:35,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:52:35,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:52:35,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:52:35,784 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:52:35,785 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:52:35,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:52:35,785 INFO L82 PathProgramCache]: Analyzing trace with hash 1129677508, now seen corresponding path program 4 times [2021-07-10 10:52:35,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:52:35,785 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547105162] [2021-07-10 10:52:35,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:52:35,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:52:35,852 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 10:52:35,853 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:52:35,853 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547105162] [2021-07-10 10:52:35,853 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547105162] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:52:35,853 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [987998188] [2021-07-10 10:52:35,853 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:52:35,905 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 10:52:35,905 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 10:52:35,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-10 10:52:35,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 10:52:35,986 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 10:52:35,986 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [987998188] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:52:35,987 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 10:52:35,987 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-07-10 10:52:35,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517663466] [2021-07-10 10:52:35,987 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-10 10:52:35,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:52:35,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-10 10:52:35,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-07-10 10:52:35,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:52:35,988 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:52:35,988 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 10:52:35,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:52:35,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:52:35,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:52:35,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:52:35,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:52:35,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:52:36,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:52:36,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:52:36,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:52:36,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:52:36,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:52:36,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:52:36,333 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:52:36,333 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:52:36,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:52:36,334 INFO L82 PathProgramCache]: Analyzing trace with hash 322539282, now seen corresponding path program 5 times [2021-07-10 10:52:36,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:52:36,334 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391823446] [2021-07-10 10:52:36,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:52:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:52:36,453 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:52:36,453 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:52:36,453 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391823446] [2021-07-10 10:52:36,453 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391823446] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:52:36,453 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90685050] [2021-07-10 10:52:36,453 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:52:36,513 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-10 10:52:36,513 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 10:52:36,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-10 10:52:36,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 10:52:36,665 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 10:52:36,665 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [90685050] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:52:36,665 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 10:52:36,665 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2021-07-10 10:52:36,666 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223365255] [2021-07-10 10:52:36,667 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-10 10:52:36,667 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:52:36,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-10 10:52:36,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2021-07-10 10:52:36,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:52:36,675 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:52:36,675 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.8) internal successors, (27), 14 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 10:52:36,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:52:36,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:52:36,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:52:36,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:52:36,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:52:36,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:52:36,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:52:36,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:52:36,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:52:36,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:52:36,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:52:36,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:52:36,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:52:36,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:52:37,048 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:52:37,049 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:52:37,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:52:37,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1431854851, now seen corresponding path program 6 times [2021-07-10 10:52:37,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:52:37,050 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38752874] [2021-07-10 10:52:37,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:52:37,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:52:37,135 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:52:37,136 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:52:37,136 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38752874] [2021-07-10 10:52:37,136 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38752874] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:52:37,136 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1906288643] [2021-07-10 10:52:37,136 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:52:37,178 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-10 10:52:37,178 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 10:52:37,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 25 conjunts are in the unsatisfiable core [2021-07-10 10:52:37,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 10:52:37,438 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 10:52:37,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 31 treesize of output 142 [2021-07-10 10:52:37,898 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 10:52:37,899 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 10:52:37,900 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 10:52:37,901 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-07-10 10:52:37,907 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:52:37,907 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1906288643] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:52:37,907 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 10:52:37,908 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2021-07-10 10:52:37,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947411943] [2021-07-10 10:52:37,908 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-10 10:52:37,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:52:37,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-10 10:52:37,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-07-10 10:52:37,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:52:37,910 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:52:37,910 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.7222222222222223) internal successors, (31), 17 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 10:52:37,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:52:37,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:52:37,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:52:37,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:52:37,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:52:37,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:52:37,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:52:37,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:52:38,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:52:38,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:52:38,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:52:38,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:52:38,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:52:38,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:52:38,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:52:38,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 10:52:38,256 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-07-10 10:52:38,257 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:52:38,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:52:38,257 INFO L82 PathProgramCache]: Analyzing trace with hash 977354257, now seen corresponding path program 7 times [2021-07-10 10:52:38,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:52:38,257 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080888451] [2021-07-10 10:52:38,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:52:38,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:52:38,377 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 15 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:52:38,377 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:52:38,377 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080888451] [2021-07-10 10:52:38,377 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080888451] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:52:38,377 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727096455] [2021-07-10 10:52:38,377 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:52:38,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:52:38,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-10 10:52:38,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 10:52:38,492 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 21 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:52:38,492 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727096455] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:52:38,492 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 10:52:38,493 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2021-07-10 10:52:38,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428772984] [2021-07-10 10:52:38,495 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-10 10:52:38,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:52:38,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-10 10:52:38,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-07-10 10:52:38,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:52:38,496 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:52:38,497 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 10:52:38,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:52:38,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:52:38,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:52:38,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:52:38,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:52:38,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:52:38,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:52:38,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 10:52:38,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:52:38,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:52:38,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:52:38,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:52:38,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:52:38,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:52:38,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:52:38,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:52:38,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 10:52:38,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 10:52:38,880 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:52:38,881 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:52:38,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:52:38,881 INFO L82 PathProgramCache]: Analyzing trace with hash 256282596, now seen corresponding path program 8 times [2021-07-10 10:52:38,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:52:38,882 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833917921] [2021-07-10 10:52:38,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:52:38,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:52:38,963 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-07-10 10:52:38,964 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:52:38,965 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833917921] [2021-07-10 10:52:38,965 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833917921] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:52:38,965 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1142466481] [2021-07-10 10:52:38,965 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:52:39,000 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 10:52:39,000 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 10:52:39,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 10:52:39,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 10:52:39,093 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-10 10:52:39,093 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1142466481] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:52:39,093 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 10:52:39,093 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 13 [2021-07-10 10:52:39,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170902172] [2021-07-10 10:52:39,094 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-10 10:52:39,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:52:39,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-10 10:52:39,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-07-10 10:52:39,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:52:39,094 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:52:39,094 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 10:52:39,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:52:39,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:52:39,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:52:39,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:52:39,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:52:39,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:52:39,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:52:39,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 10:52:39,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 10:52:39,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:52:39,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:52:39,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:52:39,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:52:39,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:52:39,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:52:39,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:52:39,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:52:39,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 10:52:39,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 10:52:39,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:52:39,488 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-07-10 10:52:39,489 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:52:39,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:52:39,489 INFO L82 PathProgramCache]: Analyzing trace with hash 1567875954, now seen corresponding path program 9 times [2021-07-10 10:52:39,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:52:39,489 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496239579] [2021-07-10 10:52:39,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:52:39,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:52:39,576 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:52:39,576 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:52:39,576 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496239579] [2021-07-10 10:52:39,576 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496239579] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:52:39,576 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [162290926] [2021-07-10 10:52:39,576 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:52:39,615 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-10 10:52:39,615 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 10:52:39,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-10 10:52:39,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 10:52:40,013 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-10 10:52:40,014 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 10:52:40,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-07-10 10:52:41,510 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 10:52:41,512 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 10:52:41,512 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 10:52:41,512 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-07-10 10:52:41,519 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:52:41,519 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [162290926] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:52:41,519 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 10:52:41,519 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 14] total 22 [2021-07-10 10:52:41,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795793410] [2021-07-10 10:52:41,520 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-10 10:52:41,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:52:41,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-10 10:52:41,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2021-07-10 10:52:41,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:52:41,521 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:52:41,521 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.608695652173913) internal successors, (37), 22 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 10:52:41,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:52:41,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:52:41,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:52:41,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:52:41,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:52:41,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:52:41,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:52:41,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 10:52:41,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 10:52:41,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:52:41,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:52:41,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:52:41,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:52:41,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:52:41,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:52:41,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:52:41,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:52:41,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:52:41,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 10:52:41,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 10:52:41,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:52:41,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 10:52:41,916 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-07-10 10:52:41,917 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:52:41,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:52:41,917 INFO L82 PathProgramCache]: Analyzing trace with hash 1293396402, now seen corresponding path program 10 times [2021-07-10 10:52:41,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:52:41,918 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654568912] [2021-07-10 10:52:41,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:52:41,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:52:42,070 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 36 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:52:42,071 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:52:42,071 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654568912] [2021-07-10 10:52:42,071 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654568912] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:52:42,071 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798964462] [2021-07-10 10:52:42,071 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:52:42,108 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 10:52:42,108 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 10:52:42,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-10 10:52:42,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 10:52:42,182 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 45 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:52:42,182 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [798964462] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:52:42,182 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 10:52:42,182 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2021-07-10 10:52:42,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780330701] [2021-07-10 10:52:42,183 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-10 10:52:42,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:52:42,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-10 10:52:42,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2021-07-10 10:52:42,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:52:42,184 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:52:42,184 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.5) internal successors, (27), 17 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 10:52:42,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:52:42,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:52:42,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:52:42,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:52:42,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:52:42,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:52:42,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:52:42,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 10:52:42,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 10:52:42,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:52:42,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 10:52:42,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:52:42,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:52:42,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:52:42,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:52:42,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:52:42,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:52:42,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:52:42,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:52:42,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 10:52:42,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 10:52:42,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:52:42,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 10:52:42,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 10:52:42,656 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable200 [2021-07-10 10:52:42,657 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:52:42,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:52:42,657 INFO L82 PathProgramCache]: Analyzing trace with hash 1463654499, now seen corresponding path program 11 times [2021-07-10 10:52:42,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:52:42,657 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236019982] [2021-07-10 10:52:42,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:52:42,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:52:42,762 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:52:42,763 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:52:42,763 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236019982] [2021-07-10 10:52:42,763 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236019982] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:52:42,763 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [398842754] [2021-07-10 10:52:42,763 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:52:42,798 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-10 10:52:42,798 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 10:52:42,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 37 conjunts are in the unsatisfiable core [2021-07-10 10:52:42,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 10:52:43,331 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-07-10 10:52:43,331 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 10:52:43,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 19 new quantified variables, introduced 45 case distinctions, treesize of input 47 treesize of output 394 [2021-07-10 10:52:44,235 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 182 [2021-07-10 10:52:44,510 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 236 [2021-07-10 10:52:44,623 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 236 [2021-07-10 10:52:44,755 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 252 [2021-07-10 10:52:45,021 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 258 [2021-07-10 10:52:45,149 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 206 [2021-07-10 10:52:45,521 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 183 [2021-07-10 10:52:46,861 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 287 [2021-07-10 10:52:47,918 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 480 DAG size of output: 370 [2021-07-10 10:52:48,312 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 395 [2021-07-10 10:52:48,803 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 442 [2021-07-10 10:52:48,943 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 234 [2021-07-10 10:52:51,192 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 270 [2021-07-10 10:52:51,468 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 379 [2021-07-10 10:52:51,824 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 419 [2021-07-10 10:52:52,270 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 667 DAG size of output: 486 [2021-07-10 10:52:53,331 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1125 DAG size of output: 757 [2021-07-10 10:52:54,526 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 1132 DAG size of output: 747 [2021-07-10 10:52:55,727 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 1132 DAG size of output: 747 [2021-07-10 10:52:57,058 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1143 DAG size of output: 758 [2021-07-10 10:52:58,553 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 756 DAG size of output: 858 [2021-07-10 10:52:59,033 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 459 [2021-07-10 10:52:59,212 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 212 [2021-07-10 10:52:59,790 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 183 [2021-07-10 10:52:59,925 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 205 [2021-07-10 10:53:00,587 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 239 [2021-07-10 10:53:00,743 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 271 [2021-07-10 10:53:00,979 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 358 [2021-07-10 10:53:01,750 WARN L205 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 686 [2021-07-10 10:53:02,307 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 491 [2021-07-10 10:53:02,746 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 302 [2021-07-10 10:53:03,100 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 231 [2021-07-10 10:53:03,284 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 459 DAG size of output: 334 [2021-07-10 10:53:03,658 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 378 [2021-07-10 10:53:04,270 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 300 [2021-07-10 10:53:04,575 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 704 DAG size of output: 431 [2021-07-10 10:53:04,928 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 711 DAG size of output: 437 [2021-07-10 10:53:05,543 WARN L205 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 1016 DAG size of output: 596 [2021-07-10 10:53:06,161 WARN L205 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 1016 DAG size of output: 596 [2021-07-10 10:53:06,855 WARN L205 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 1022 DAG size of output: 554 [2021-07-10 10:53:07,158 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 433 [2021-07-10 10:53:07,663 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 209 [2021-07-10 10:53:07,975 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 239 [2021-07-10 10:53:08,364 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 447 [2021-07-10 10:53:08,595 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 279 [2021-07-10 10:53:08,866 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 303 [2021-07-10 10:53:09,135 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 368 [2021-07-10 10:53:09,534 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 436 [2021-07-10 10:53:09,944 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 436 [2021-07-10 10:53:10,397 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 439 [2021-07-10 10:53:10,656 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 335 [2021-07-10 10:53:11,337 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 10:53:11,339 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 10:53:11,339 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 10:53:11,339 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-07-10 10:53:11,346 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:53:11,346 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [398842754] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:53:11,346 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 10:53:11,346 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17] total 27 [2021-07-10 10:53:11,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086161500] [2021-07-10 10:53:11,346 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-10 10:53:11,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:53:11,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-10 10:53:11,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-07-10 10:53:11,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:53:11,347 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:53:11,348 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 27 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 10:53:11,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:53:11,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:53:11,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:53:11,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:53:11,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:53:11,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:53:11,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:53:11,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 10:53:11,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 10:53:11,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:53:11,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 10:53:11,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 10:53:11,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:53:11,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:53:11,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:53:11,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:53:11,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:53:11,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:53:11,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:53:11,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:53:11,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 10:53:11,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 10:53:11,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:53:11,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 10:53:11,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 10:53:11,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 10:53:11,834 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable201 [2021-07-10 10:53:11,835 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:53:11,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:53:11,835 INFO L82 PathProgramCache]: Analyzing trace with hash 2061052451, now seen corresponding path program 12 times [2021-07-10 10:53:11,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:53:11,835 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115055161] [2021-07-10 10:53:11,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:53:11,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:53:12,036 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 55 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:53:12,037 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:53:12,037 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115055161] [2021-07-10 10:53:12,037 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115055161] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:53:12,037 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446734975] [2021-07-10 10:53:12,037 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:53:12,070 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-10 10:53:12,070 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 10:53:12,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-10 10:53:12,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 10:53:12,137 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 66 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:53:12,138 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446734975] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:53:12,138 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 10:53:12,138 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 20 [2021-07-10 10:53:12,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942704732] [2021-07-10 10:53:12,138 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-10 10:53:12,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:53:12,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-10 10:53:12,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2021-07-10 10:53:12,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:53:12,139 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:53:12,139 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 10:53:12,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:53:12,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:53:12,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:53:12,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:53:12,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:53:12,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:53:12,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:53:12,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 10:53:12,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 10:53:12,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:53:12,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 10:53:12,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 10:53:12,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 10:53:12,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:53:12,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:53:12,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:53:12,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:53:12,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:53:12,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:53:12,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:53:12,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:53:12,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 10:53:12,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 10:53:12,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:53:12,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 10:53:12,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 10:53:12,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 10:53:12,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 10:53:12,705 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1342,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:53:12,705 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:53:12,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:53:12,706 INFO L82 PathProgramCache]: Analyzing trace with hash -508811758, now seen corresponding path program 13 times [2021-07-10 10:53:12,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:53:12,706 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478282319] [2021-07-10 10:53:12,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:53:12,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:53:12,829 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:53:12,830 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:53:12,830 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478282319] [2021-07-10 10:53:12,830 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478282319] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:53:12,830 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [605825198] [2021-07-10 10:53:12,830 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:53:12,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:53:12,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 43 conjunts are in the unsatisfiable core [2021-07-10 10:53:12,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 10:53:13,660 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-07-10 10:53:13,661 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 10:53:13,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 23 new quantified variables, introduced 66 case distinctions, treesize of input 55 treesize of output 568 [2021-07-10 10:53:14,738 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 276 [2021-07-10 10:53:14,880 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 280 [2021-07-10 10:53:15,775 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 269 [2021-07-10 10:53:15,909 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 273 [2021-07-10 10:53:16,202 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 411 [2021-07-10 10:53:16,579 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 438 [2021-07-10 10:53:17,430 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 250 [2021-07-10 10:53:17,546 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 252 [2021-07-10 10:53:18,299 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 240 [2021-07-10 10:53:18,419 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 242 [2021-07-10 10:53:18,753 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 374 [2021-07-10 10:53:19,138 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 402 [2021-07-10 10:53:19,947 WARN L205 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 770 DAG size of output: 685 [2021-07-10 10:53:20,839 WARN L205 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 812 DAG size of output: 726 [2021-07-10 10:53:21,883 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 833 DAG size of output: 734 [2021-07-10 10:53:23,088 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 841 DAG size of output: 738 [2021-07-10 10:53:24,290 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 841 DAG size of output: 738 [2021-07-10 10:53:25,727 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 861 DAG size of output: 758 [2021-07-10 10:53:27,531 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 760 DAG size of output: 812 [2021-07-10 10:53:28,355 WARN L205 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 464 DAG size of output: 563 [2021-07-10 10:53:28,925 WARN L205 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 646 [2021-07-10 10:53:29,698 WARN L205 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 545 [2021-07-10 10:53:30,324 WARN L205 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 536 [2021-07-10 10:53:30,651 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 313 [2021-07-10 10:53:30,756 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 254 [2021-07-10 10:53:31,497 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 303 [2021-07-10 10:53:32,355 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 314 [2021-07-10 10:53:32,745 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 500 [2021-07-10 10:53:33,244 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 754 DAG size of output: 569 [2021-07-10 10:53:33,456 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 252 [2021-07-10 10:53:34,168 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 212 [2021-07-10 10:53:34,422 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 273 [2021-07-10 10:53:34,661 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 288 [2021-07-10 10:53:35,411 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 195 [2021-07-10 10:53:35,775 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 259 [2021-07-10 10:53:36,298 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 597 DAG size of output: 416 [2021-07-10 10:53:37,143 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 247 [2021-07-10 10:53:37,326 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 262 [2021-07-10 10:53:37,464 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 250 [2021-07-10 10:53:38,092 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 191 [2021-07-10 10:53:38,252 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 252 [2021-07-10 10:53:38,451 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 253 [2021-07-10 10:53:38,689 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 268 [2021-07-10 10:53:39,198 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 397 [2021-07-10 10:53:40,211 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 975 DAG size of output: 585 [2021-07-10 10:53:41,903 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 1575 DAG size of output: 971 [2021-07-10 10:53:42,836 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 336 [2021-07-10 10:53:43,215 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 355 [2021-07-10 10:53:43,465 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 339 [2021-07-10 10:53:44,575 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 308 [2021-07-10 10:53:44,724 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 322 [2021-07-10 10:53:45,300 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 597 DAG size of output: 379 [2021-07-10 10:53:45,587 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 401 [2021-07-10 10:53:45,931 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 639 DAG size of output: 412 [2021-07-10 10:53:46,806 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 371 DAG size of output: 290 [2021-07-10 10:53:46,986 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 324 [2021-07-10 10:53:47,198 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 334 [2021-07-10 10:53:47,836 WARN L205 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 866 DAG size of output: 570 [2021-07-10 10:53:49,204 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 282 [2021-07-10 10:53:49,467 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 386 [2021-07-10 10:53:49,875 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 444 [2021-07-10 10:53:50,917 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 1125 DAG size of output: 748 [2021-07-10 10:53:52,335 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1273 DAG size of output: 863 [2021-07-10 10:53:52,608 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 273 [2021-07-10 10:53:53,551 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 281 [2021-07-10 10:53:53,719 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 313 [2021-07-10 10:53:54,384 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 281 [2021-07-10 10:53:54,700 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 609 DAG size of output: 428 [2021-07-10 10:53:55,891 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 324 [2021-07-10 10:53:56,121 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 374 [2021-07-10 10:53:56,685 WARN L205 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 756 DAG size of output: 529 [2021-07-10 10:53:58,809 WARN L205 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 1662 DAG size of output: 1121 [2021-07-10 10:53:59,097 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 336 [2021-07-10 10:53:59,297 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 278 [2021-07-10 10:54:00,043 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 208 [2021-07-10 10:54:00,194 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 220 [2021-07-10 10:54:00,942 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 191 [2021-07-10 10:54:01,070 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 215 [2021-07-10 10:54:01,232 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 236 [2021-07-10 10:54:01,603 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 345 [2021-07-10 10:54:01,749 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 242 [2021-07-10 10:54:03,021 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 207 [2021-07-10 10:54:03,279 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 303 [2021-07-10 10:54:03,604 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 323 [2021-07-10 10:54:04,196 WARN L205 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 666 DAG size of output: 465 [2021-07-10 10:54:04,322 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 307 [2021-07-10 10:54:05,218 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 206 [2021-07-10 10:54:05,929 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 285 [2021-07-10 10:54:06,981 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 255 [2021-07-10 10:54:07,167 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 279 [2021-07-10 10:54:07,653 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 424 [2021-07-10 10:54:08,284 WARN L205 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 642 DAG size of output: 511 [2021-07-10 10:54:09,672 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1161 DAG size of output: 818 [2021-07-10 10:54:13,498 WARN L205 SmtUtils]: Spent 3.82 s on a formula simplification. DAG size of input: 2529 DAG size of output: 1673 [2021-07-10 10:54:18,053 WARN L205 SmtUtils]: Spent 4.54 s on a formula simplification. DAG size of input: 2885 DAG size of output: 1923 [2021-07-10 10:54:25,029 WARN L205 SmtUtils]: Spent 6.96 s on a formula simplification. DAG size of input: 4260 DAG size of output: 2683 [2021-07-10 10:54:33,069 WARN L205 SmtUtils]: Spent 8.02 s on a formula simplification. DAG size of input: 4417 DAG size of output: 2844 [2021-07-10 10:54:42,307 WARN L205 SmtUtils]: Spent 9.22 s on a formula simplification. DAG size of input: 4663 DAG size of output: 2936 [2021-07-10 10:54:42,930 WARN L205 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 626 [2021-07-10 10:54:43,728 WARN L205 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 525 [2021-07-10 10:54:44,380 WARN L205 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 490 [2021-07-10 10:54:45,880 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 464 [2021-07-10 10:54:46,078 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 479 DAG size of output: 470 [2021-07-10 10:54:46,436 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 813 DAG size of output: 655 [2021-07-10 10:54:46,684 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 221 [2021-07-10 10:54:47,820 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 181 [2021-07-10 10:54:48,394 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 179 [2021-07-10 10:54:48,629 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 241 [2021-07-10 10:54:48,921 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 244 [2021-07-10 10:54:49,338 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 287 [2021-07-10 10:54:50,278 WARN L205 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 681 [2021-07-10 10:54:51,273 WARN L205 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 584 [2021-07-10 10:54:52,163 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 499 [2021-07-10 10:54:52,352 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 324 [2021-07-10 10:54:52,520 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 322 [2021-07-10 10:54:53,345 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 201 [2021-07-10 10:54:54,097 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 286 [2021-07-10 10:54:55,031 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 214 [2021-07-10 10:54:55,200 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 256 [2021-07-10 10:54:55,964 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 347 [2021-07-10 10:54:56,591 WARN L205 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 524 [2021-07-10 10:54:57,298 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 193 [2021-07-10 10:54:57,954 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 266 [2021-07-10 10:54:59,848 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 188 [2021-07-10 10:54:59,965 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 191 [2021-07-10 10:55:00,164 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 262 [2021-07-10 10:55:00,483 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 355 [2021-07-10 10:55:00,918 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 397 [2021-07-10 10:55:01,636 WARN L205 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 559 [2021-07-10 10:55:03,098 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 977 DAG size of output: 792 [2021-07-10 10:55:04,731 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 1064 DAG size of output: 842 [2021-07-10 10:55:06,566 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 1243 DAG size of output: 920 [2021-07-10 10:55:08,790 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 1442 DAG size of output: 1089 [2021-07-10 10:55:09,366 WARN L205 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 457 [2021-07-10 10:55:09,644 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 383 [2021-07-10 10:55:10,000 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 429 [2021-07-10 10:55:10,901 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 249 [2021-07-10 10:55:11,575 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 207 [2021-07-10 10:55:11,848 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 344 [2021-07-10 10:55:12,238 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 395 [2021-07-10 10:55:13,476 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 202 [2021-07-10 10:55:13,700 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 332 [2021-07-10 10:55:14,035 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 381 [2021-07-10 10:55:14,397 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 401 [2021-07-10 10:55:15,129 WARN L205 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 692 DAG size of output: 593 [2021-07-10 10:55:15,523 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 444 [2021-07-10 10:55:16,312 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 210 [2021-07-10 10:55:16,453 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 233 [2021-07-10 10:55:16,621 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 245 [2021-07-10 10:55:17,297 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 345 [2021-07-10 10:55:17,715 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 398 [2021-07-10 10:55:18,485 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 217 [2021-07-10 10:55:19,140 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 245 [2021-07-10 10:55:19,420 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 344 [2021-07-10 10:55:19,830 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 397 [2021-07-10 10:55:20,615 WARN L205 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 601 [2021-07-10 10:55:21,991 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1077 DAG size of output: 809 [2021-07-10 10:55:23,639 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 1165 DAG size of output: 847 [2021-07-10 10:55:27,995 WARN L205 SmtUtils]: Spent 4.35 s on a formula simplification. DAG size of input: 2290 DAG size of output: 1526 [2021-07-10 10:55:33,943 WARN L205 SmtUtils]: Spent 5.94 s on a formula simplification. DAG size of input: 3340 DAG size of output: 2063 [2021-07-10 10:55:40,905 WARN L205 SmtUtils]: Spent 6.95 s on a formula simplification. DAG size of input: 3491 DAG size of output: 2236 [2021-07-10 10:55:49,007 WARN L205 SmtUtils]: Spent 8.09 s on a formula simplification. DAG size of input: 3713 DAG size of output: 2317 [2021-07-10 10:56:07,253 WARN L205 SmtUtils]: Spent 18.22 s on a formula simplification. DAG size of input: 7370 DAG size of output: 4532 [2021-07-10 10:56:29,014 WARN L205 SmtUtils]: Spent 21.73 s on a formula simplification. DAG size of input: 7654 DAG size of output: 4652 [2021-07-10 10:56:51,199 WARN L205 SmtUtils]: Spent 22.15 s on a formula simplification. DAG size of input: 7654 DAG size of output: 4652 [2021-07-10 10:57:15,880 WARN L205 SmtUtils]: Spent 24.66 s on a formula simplification. DAG size of input: 7669 DAG size of output: 4667 [2021-07-10 10:57:16,659 WARN L205 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 4661 [2021-07-10 10:57:43,904 WARN L205 SmtUtils]: Spent 27.22 s on a formula simplification. DAG size of input: 4663 DAG size of output: 6220 [2021-07-10 10:57:53,729 WARN L205 SmtUtils]: Spent 9.78 s on a formula simplification. DAG size of input: 4573 DAG size of output: 4534 [2021-07-10 10:58:16,016 WARN L205 SmtUtils]: Spent 22.25 s on a formula simplification. DAG size of input: 4531 DAG size of output: 4865 [2021-07-10 10:58:30,655 WARN L205 SmtUtils]: Spent 14.61 s on a formula simplification. DAG size of input: 3153 DAG size of output: 3275 [2021-07-10 10:58:40,588 WARN L205 SmtUtils]: Spent 9.91 s on a formula simplification. DAG size of input: 3100 DAG size of output: 3091 [2021-07-10 10:58:57,932 WARN L205 SmtUtils]: Spent 17.31 s on a formula simplification. DAG size of input: 2740 DAG size of output: 4110 [2021-07-10 10:58:58,827 WARN L205 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 2692 DAG size of output: 2692 [2021-07-10 10:58:59,098 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 256 [2021-07-10 10:58:59,570 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 1341 [2021-07-10 10:58:59,858 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 1234 [2021-07-10 10:58:59,992 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2021-07-10 10:59:00,140 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 668 DAG size of output: 668 [2021-07-10 10:59:00,265 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 635 DAG size of output: 635 [2021-07-10 10:59:01,751 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 685 [2021-07-10 10:59:02,334 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 596 DAG size of output: 558 [2021-07-10 10:59:03,462 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 189 [2021-07-10 10:59:03,745 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 318 [2021-07-10 10:59:04,166 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 429 [2021-07-10 10:59:04,660 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 846 DAG size of output: 502 [2021-07-10 10:59:05,043 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 450 [2021-07-10 10:59:05,499 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 1736 DAG size of output: 1736 [2021-07-10 10:59:05,704 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 1598 [2021-07-10 10:59:06,031 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 1498 [2021-07-10 10:59:06,304 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 1220 DAG size of output: 1220 [2021-07-10 10:59:06,756 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 1076 DAG size of output: 852 [2021-07-10 10:59:07,288 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 705 [2021-07-10 10:59:08,229 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 197 [2021-07-10 10:59:09,189 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 487 DAG size of output: 313 [2021-07-10 10:59:09,466 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 375 [2021-07-10 10:59:11,381 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 357 [2021-07-10 10:59:12,818 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 227 [2021-07-10 10:59:13,915 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 391 [2021-07-10 10:59:14,421 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 871 DAG size of output: 621 [2021-07-10 10:59:15,367 WARN L205 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 1446 DAG size of output: 922 [2021-07-10 10:59:16,510 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 1728 DAG size of output: 970 [2021-07-10 10:59:17,641 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 1758 DAG size of output: 839 [2021-07-10 10:59:17,910 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 283 [2021-07-10 10:59:19,566 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1922 DAG size of output: 903 [2021-07-10 10:59:21,484 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 2598 DAG size of output: 1165 [2021-07-10 10:59:27,298 WARN L205 SmtUtils]: Spent 5.79 s on a formula simplification. DAG size of input: 4518 DAG size of output: 2219 [2021-07-10 10:59:28,030 WARN L205 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 525 [2021-07-10 10:59:28,393 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 477 [2021-07-10 10:59:29,304 WARN L205 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 729 [2021-07-10 10:59:29,579 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 468 DAG size of output: 338 [2021-07-10 10:59:30,326 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 273 [2021-07-10 10:59:30,586 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 279 [2021-07-10 10:59:30,917 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 325 [2021-07-10 10:59:37,948 WARN L205 SmtUtils]: Spent 7.02 s on a formula simplification. DAG size of input: 4961 DAG size of output: 2195 [2021-07-10 10:59:46,120 WARN L205 SmtUtils]: Spent 8.15 s on a formula simplification. DAG size of input: 5328 DAG size of output: 2407 [2021-07-10 10:59:56,514 WARN L205 SmtUtils]: Spent 10.37 s on a formula simplification. DAG size of input: 6680 DAG size of output: 2674 [2021-07-10 11:00:09,129 WARN L205 SmtUtils]: Spent 12.59 s on a formula simplification. DAG size of input: 6693 DAG size of output: 2686 [2021-07-10 11:00:23,644 WARN L205 SmtUtils]: Spent 14.49 s on a formula simplification. DAG size of input: 8215 DAG size of output: 3079 [2021-07-10 11:00:37,608 WARN L205 SmtUtils]: Spent 13.93 s on a formula simplification. DAG size of input: 8215 DAG size of output: 3079 [2021-07-10 11:00:54,328 WARN L205 SmtUtils]: Spent 16.67 s on a formula simplification. DAG size of input: 8225 DAG size of output: 3069 [2021-07-10 11:01:07,647 WARN L205 SmtUtils]: Spent 13.30 s on a formula simplification. DAG size of input: 3054 DAG size of output: 3247 [2021-07-10 11:01:13,628 WARN L205 SmtUtils]: Spent 5.96 s on a formula simplification. DAG size of input: 2778 DAG size of output: 2144 [2021-07-10 11:01:18,619 WARN L205 SmtUtils]: Spent 4.97 s on a formula simplification. DAG size of input: 1921 DAG size of output: 2107 [2021-07-10 11:01:23,070 WARN L205 SmtUtils]: Spent 4.43 s on a formula simplification. DAG size of input: 1844 DAG size of output: 1869 [2021-07-10 11:01:23,274 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 1774 [2021-07-10 11:01:23,453 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 1623 [2021-07-10 11:01:23,651 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 271 [2021-07-10 11:01:24,727 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 302 [2021-07-10 11:01:24,900 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 1442 [2021-07-10 11:01:25,202 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 262 [2021-07-10 11:01:25,381 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 233 [2021-07-10 11:01:26,255 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 1292 DAG size of output: 1292 [2021-07-10 11:01:26,466 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 265 [2021-07-10 11:01:26,738 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 204 [2021-07-10 11:01:26,924 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 214 [2021-07-10 11:01:27,939 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 1104 DAG size of output: 1104 [2021-07-10 11:01:28,656 WARN L205 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 490 [2021-07-10 11:01:29,663 WARN L205 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 509 [2021-07-10 11:01:30,239 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 338 [2021-07-10 11:01:30,522 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 441 [2021-07-10 11:01:30,982 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 535 [2021-07-10 11:01:31,100 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 624 [2021-07-10 11:01:31,736 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 353 [2021-07-10 11:01:32,436 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 204 [2021-07-10 11:01:32,586 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 216 [2021-07-10 11:01:33,253 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 291 [2021-07-10 11:01:34,024 WARN L205 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 1185 DAG size of output: 751 [2021-07-10 11:01:35,118 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 1369 DAG size of output: 911 [2021-07-10 11:01:36,323 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 1497 DAG size of output: 994 [2021-07-10 11:01:37,747 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1806 DAG size of output: 1194 [2021-07-10 11:01:37,941 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 248 [2021-07-10 11:01:38,143 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 207 [2021-07-10 11:01:38,442 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 232 [2021-07-10 11:01:39,036 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 169 [2021-07-10 11:01:39,181 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 207 [2021-07-10 11:01:39,342 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 223 [2021-07-10 11:01:41,009 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 2038 DAG size of output: 1341 [2021-07-10 11:01:43,092 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 2187 DAG size of output: 1400 [2021-07-10 11:01:46,200 WARN L205 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 2655 DAG size of output: 1823 [2021-07-10 11:01:50,415 WARN L205 SmtUtils]: Spent 4.20 s on a formula simplification. DAG size of input: 2932 DAG size of output: 2078 [2021-07-10 11:01:55,515 WARN L205 SmtUtils]: Spent 5.09 s on a formula simplification. DAG size of input: 3415 DAG size of output: 2208 [2021-07-10 11:02:01,281 WARN L205 SmtUtils]: Spent 5.75 s on a formula simplification. DAG size of input: 3441 DAG size of output: 2213 [2021-07-10 11:02:07,174 WARN L205 SmtUtils]: Spent 5.88 s on a formula simplification. DAG size of input: 3441 DAG size of output: 2213 [2021-07-10 11:02:13,382 WARN L205 SmtUtils]: Spent 6.20 s on a formula simplification. DAG size of input: 3444 DAG size of output: 2217 [2021-07-10 11:02:13,631 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 2213 [2021-07-10 11:02:14,143 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 2213 DAG size of output: 2213 [2021-07-10 11:02:14,418 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 2208 [2021-07-10 11:02:19,167 WARN L205 SmtUtils]: Spent 4.74 s on a formula simplification. DAG size of input: 2078 DAG size of output: 1870 [2021-07-10 11:02:19,437 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 1107 [2021-07-10 11:02:19,569 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 180 [2021-07-10 11:02:21,393 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 1010 DAG size of output: 875 [2021-07-10 11:02:21,907 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 416 [2021-07-10 11:02:22,085 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 188 [2021-07-10 11:02:22,550 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 197 [2021-07-10 11:02:23,594 WARN L205 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 529 [2021-07-10 11:02:23,767 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 289 [2021-07-10 11:02:24,355 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 258 [2021-07-10 11:02:25,057 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 286 [2021-07-10 11:02:25,303 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 593 DAG size of output: 383 [2021-07-10 11:02:25,486 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 947 DAG size of output: 945 [2021-07-10 11:02:26,806 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 789 DAG size of output: 735 [2021-07-10 11:02:27,356 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 547 [2021-07-10 11:02:27,838 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 537 DAG size of output: 464 [2021-07-10 11:02:28,500 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 242 [2021-07-10 11:02:28,648 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 252 [2021-07-10 11:02:28,967 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 239 [2021-07-10 11:02:29,618 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 315 [2021-07-10 11:02:29,756 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 196 [2021-07-10 11:02:30,167 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 582 DAG size of output: 346 [2021-07-10 11:02:30,471 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 589 DAG size of output: 350 [2021-07-10 11:02:31,023 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 574 [2021-07-10 11:02:31,319 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 292 [2021-07-10 11:02:31,461 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 195 [2021-07-10 11:02:32,195 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 213 [2021-07-10 11:02:32,331 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 199 [2021-07-10 11:02:33,656 WARN L205 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 1288 DAG size of output: 687 [2021-07-10 11:02:34,577 WARN L205 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 1291 DAG size of output: 686 [2021-07-10 11:02:35,495 WARN L205 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 1291 DAG size of output: 686 [2021-07-10 11:02:36,461 WARN L205 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 1297 DAG size of output: 692 [2021-07-10 11:02:36,782 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 491 [2021-07-10 11:02:37,322 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 304 [2021-07-10 11:02:37,635 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 355 [2021-07-10 11:02:38,008 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 360 [2021-07-10 11:02:38,379 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 360 [2021-07-10 11:02:38,768 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 363 [2021-07-10 11:02:39,061 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 365 [2021-07-10 11:02:39,191 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 248 [2021-07-10 11:02:40,060 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:02:40,062 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:02:40,062 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:02:40,063 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:3 [2021-07-10 11:02:40,068 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:02:40,068 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [605825198] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:02:40,068 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:02:40,068 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 20] total 32 [2021-07-10 11:02:40,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534643677] [2021-07-10 11:02:40,068 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-10 11:02:40,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:02:40,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-10 11:02:40,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=975, Unknown=0, NotChecked=0, Total=1056 [2021-07-10 11:02:40,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:02:40,069 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:02:40,069 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 1.4848484848484849) internal successors, (49), 32 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:02:40,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:02:40,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:02:40,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:02:40,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:02:40,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:02:40,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:02:40,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 11:02:40,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:02:40,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:02:40,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 11:02:40,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:02:40,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:02:40,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:02:40,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:02:40,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:02:40,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:02:40,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:02:40,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:02:40,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:02:40,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:02:40,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:02:40,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 11:02:40,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:02:40,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:02:40,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 11:02:40,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:02:40,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:02:40,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:02:40,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:02:40,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:02:40,623 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1343 [2021-07-10 11:02:40,623 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:02:40,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:02:40,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1770898350, now seen corresponding path program 14 times [2021-07-10 11:02:40,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:02:40,624 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296365124] [2021-07-10 11:02:40,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:02:40,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:02:40,851 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 78 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:02:40,852 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:02:40,852 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296365124] [2021-07-10 11:02:40,852 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296365124] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:02:40,852 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175900256] [2021-07-10 11:02:40,852 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:02:40,902 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 11:02:40,902 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:02:40,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-10 11:02:40,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:02:40,997 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 91 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:02:40,997 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [175900256] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:02:40,997 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:02:40,997 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 23 [2021-07-10 11:02:40,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165101206] [2021-07-10 11:02:40,998 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-10 11:02:40,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:02:40,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-10 11:02:40,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=394, Unknown=0, NotChecked=0, Total=552 [2021-07-10 11:02:40,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:02:40,999 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:02:40,999 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.375) internal successors, (33), 23 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:02:40,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:02:40,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:02:40,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:02:40,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:02:40,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:02:40,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:02:40,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 11:02:40,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:02:40,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:02:40,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 11:02:40,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:02:40,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:02:40,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:02:40,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:02:40,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:02:40,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:02:41,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:02:41,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:02:41,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:02:41,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:02:41,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:02:41,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:02:41,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 11:02:41,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:02:41,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:02:41,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 11:02:41,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:02:41,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:02:41,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:02:41,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:02:41,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:02:41,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 11:02:41,577 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11576 [2021-07-10 11:02:41,577 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:02:41,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:02:41,577 INFO L82 PathProgramCache]: Analyzing trace with hash 959797699, now seen corresponding path program 15 times [2021-07-10 11:02:41,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:02:41,578 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047413909] [2021-07-10 11:02:41,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:02:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:02:41,737 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:02:41,737 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:02:41,737 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047413909] [2021-07-10 11:02:41,737 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047413909] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:02:41,737 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513169881] [2021-07-10 11:02:41,737 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:02:41,777 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-07-10 11:02:41,777 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:02:41,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 49 conjunts are in the unsatisfiable core [2021-07-10 11:02:41,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:02:42,888 WARN L205 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2021-07-10 11:02:42,889 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:02:42,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 27 new quantified variables, introduced 91 case distinctions, treesize of input 63 treesize of output 774 [2021-07-10 11:02:44,114 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 301 [2021-07-10 11:02:44,300 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 334 [2021-07-10 11:02:44,546 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 363 [2021-07-10 11:02:45,119 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 332 [2021-07-10 11:02:45,926 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 673 DAG size of output: 609 [2021-07-10 11:02:46,226 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 701 DAG size of output: 636 [2021-07-10 11:02:46,851 WARN L205 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 912 [2021-07-10 11:02:47,637 WARN L205 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 1137 DAG size of output: 937 [2021-07-10 11:02:48,666 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1169 DAG size of output: 969 [2021-07-10 11:02:49,999 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1200 DAG size of output: 1000 [2021-07-10 11:02:51,406 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1232 DAG size of output: 1032 [2021-07-10 11:02:52,717 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 235 [2021-07-10 11:02:52,863 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 256 [2021-07-10 11:02:53,046 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 289 [2021-07-10 11:02:53,246 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 412 DAG size of output: 321 [2021-07-10 11:02:53,488 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 354 [2021-07-10 11:02:55,345 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 1480 DAG size of output: 1192 [2021-07-10 11:02:56,749 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 657 DAG size of output: 593 [2021-07-10 11:02:58,108 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 589 [2021-07-10 11:02:58,632 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 1250 DAG size of output: 1122 [2021-07-10 11:02:59,335 WARN L205 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 1279 DAG size of output: 1150 [2021-07-10 11:03:00,207 WARN L205 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 1310 DAG size of output: 1181 [2021-07-10 11:03:01,268 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 1340 DAG size of output: 1211 [2021-07-10 11:03:02,635 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1369 DAG size of output: 1239 [2021-07-10 11:03:04,135 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 460 DAG size of output: 316 [2021-07-10 11:03:04,344 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 348 [2021-07-10 11:03:04,598 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 375 [2021-07-10 11:03:04,898 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 406 [2021-07-10 11:03:05,239 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 436 [2021-07-10 11:03:07,300 WARN L205 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 1800 DAG size of output: 1526 [2021-07-10 11:03:09,626 WARN L205 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 1831 DAG size of output: 1557 [2021-07-10 11:03:14,208 WARN L205 SmtUtils]: Spent 4.57 s on a formula simplification. DAG size of input: 3112 DAG size of output: 2563 [2021-07-10 11:03:19,491 WARN L205 SmtUtils]: Spent 5.27 s on a formula simplification. DAG size of input: 3143 DAG size of output: 2594 [2021-07-10 11:03:25,201 WARN L205 SmtUtils]: Spent 5.69 s on a formula simplification. DAG size of input: 3171 DAG size of output: 2622 [2021-07-10 11:03:31,648 WARN L205 SmtUtils]: Spent 6.43 s on a formula simplification. DAG size of input: 3200 DAG size of output: 2649 [2021-07-10 11:03:38,761 WARN L205 SmtUtils]: Spent 7.10 s on a formula simplification. DAG size of input: 3246 DAG size of output: 2693 [2021-07-10 11:03:40,073 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 234 [2021-07-10 11:03:40,216 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 262 [2021-07-10 11:03:40,396 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 295 [2021-07-10 11:03:40,592 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 327 [2021-07-10 11:03:41,243 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 337 [2021-07-10 11:03:42,040 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 610 [2021-07-10 11:03:43,173 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 302 [2021-07-10 11:03:43,367 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 335 [2021-07-10 11:03:43,886 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 881 [2021-07-10 11:03:44,528 WARN L205 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 1104 DAG size of output: 911 [2021-07-10 11:03:45,327 WARN L205 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 1136 DAG size of output: 943 [2021-07-10 11:03:46,294 WARN L205 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 1168 DAG size of output: 975 [2021-07-10 11:03:47,517 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 1199 DAG size of output: 1006 [2021-07-10 11:03:49,155 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 1441 DAG size of output: 1168 [2021-07-10 11:03:51,036 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 1474 DAG size of output: 1201 [2021-07-10 11:03:52,145 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 302 [2021-07-10 11:03:52,349 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 335 [2021-07-10 11:03:52,617 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 364 [2021-07-10 11:03:53,900 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 304 [2021-07-10 11:03:54,121 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 339 [2021-07-10 11:03:54,400 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 499 DAG size of output: 370 [2021-07-10 11:03:54,992 WARN L205 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 890 DAG size of output: 633 [2021-07-10 11:03:55,714 WARN L205 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 923 DAG size of output: 659 [2021-07-10 11:03:56,558 WARN L205 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 957 DAG size of output: 693 [2021-07-10 11:03:57,542 WARN L205 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 990 DAG size of output: 726 [2021-07-10 11:03:58,679 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 1024 DAG size of output: 760 [2021-07-10 11:04:00,807 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1051 DAG size of output: 779 [2021-07-10 11:04:04,334 WARN L205 SmtUtils]: Spent 3.52 s on a formula simplification. DAG size of input: 2305 DAG size of output: 1755 [2021-07-10 11:04:08,377 WARN L205 SmtUtils]: Spent 4.03 s on a formula simplification. DAG size of input: 2338 DAG size of output: 1788 [2021-07-10 11:04:12,670 WARN L205 SmtUtils]: Spent 4.28 s on a formula simplification. DAG size of input: 2368 DAG size of output: 1818 [2021-07-10 11:04:17,478 WARN L205 SmtUtils]: Spent 4.80 s on a formula simplification. DAG size of input: 2399 DAG size of output: 1847 [2021-07-10 11:04:30,748 WARN L205 SmtUtils]: Spent 13.25 s on a formula simplification. DAG size of input: 5327 DAG size of output: 4237 [2021-07-10 11:04:45,455 WARN L205 SmtUtils]: Spent 14.68 s on a formula simplification. DAG size of input: 5355 DAG size of output: 4263 [2021-07-10 11:05:00,265 WARN L205 SmtUtils]: Spent 14.78 s on a formula simplification. DAG size of input: 5355 DAG size of output: 4263 [2021-07-10 11:05:17,546 WARN L205 SmtUtils]: Spent 17.26 s on a formula simplification. DAG size of input: 5378 DAG size of output: 4286 [2021-07-10 11:05:46,342 WARN L205 SmtUtils]: Spent 28.77 s on a formula simplification. DAG size of input: 4288 DAG size of output: 5230 [2021-07-10 11:06:19,653 WARN L205 SmtUtils]: Spent 33.28 s on a formula simplification. DAG size of input: 4282 DAG size of output: 6377 [2021-07-10 11:06:20,151 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 4274 [2021-07-10 11:06:21,537 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 309 [2021-07-10 11:06:21,784 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 334 [2021-07-10 11:06:22,423 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 231 [2021-07-10 11:06:22,548 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 256 [2021-07-10 11:06:23,259 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 244 [2021-07-10 11:06:23,523 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 352 [2021-07-10 11:06:23,839 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 375 [2021-07-10 11:06:24,506 WARN L205 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 657 DAG size of output: 545 [2021-07-10 11:06:25,173 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 240 [2021-07-10 11:06:25,776 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 228 [2021-07-10 11:06:25,892 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 250 [2021-07-10 11:06:26,140 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 346 [2021-07-10 11:06:27,408 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 299 [2021-07-10 11:06:27,942 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 618 DAG size of output: 516 [2021-07-10 11:06:28,554 WARN L205 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 643 DAG size of output: 538 [2021-07-10 11:06:29,876 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1114 DAG size of output: 848 [2021-07-10 11:06:30,481 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 248 [2021-07-10 11:06:31,191 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 340 [2021-07-10 11:06:32,239 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 275 [2021-07-10 11:06:32,702 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 481 [2021-07-10 11:06:33,273 WARN L205 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 501 [2021-07-10 11:06:33,845 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 233 [2021-07-10 11:06:33,963 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 256 [2021-07-10 11:06:34,499 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 245 [2021-07-10 11:06:34,762 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 349 [2021-07-10 11:06:35,057 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 370 [2021-07-10 11:06:35,559 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2021-07-10 11:06:36,168 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 287 [2021-07-10 11:06:36,372 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 307 [2021-07-10 11:06:36,961 WARN L205 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 514 [2021-07-10 11:06:38,133 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 926 DAG size of output: 806 [2021-07-10 11:06:40,892 WARN L205 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 1850 DAG size of output: 1449 [2021-07-10 11:06:43,996 WARN L205 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 1896 DAG size of output: 1472 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown