/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-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/counter-queue.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 04:16:03,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 04:16:03,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 04:16:03,976 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-14 04:16:03,977 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-14 04:16:03,980 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-14 04:16:03,982 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-14 04:16:03,987 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-14 04:16:03,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-14 04:16:03,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-14 04:16:03,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-14 04:16:03,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-14 04:16:03,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 04:16:03,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 04:16:03,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 04:16:04,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 04:16:04,002 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 04:16:04,003 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 04:16:04,005 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 04:16:04,008 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 04:16:04,009 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 04:16:04,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 04:16:04,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 04:16:04,022 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 04:16:04,028 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-14 04:16:04,037 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 04:16:04,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 04:16:04,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 04:16:04,039 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-NewStatesSleep-NoLbe.epf [2021-07-14 04:16:04,068 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 04:16:04,069 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 04:16:04,069 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 04:16:04,069 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 04:16:04,072 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 04:16:04,072 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 04:16:04,072 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 04:16:04,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 04:16:04,072 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 04:16:04,072 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 04:16:04,073 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 04:16:04,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 04:16:04,073 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 04:16:04,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 04:16:04,074 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 04:16:04,074 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 04:16:04,074 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 04:16:04,074 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 04:16:04,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 04:16:04,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 04:16:04,075 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 04:16:04,075 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 04:16:04,075 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 04:16:04,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 04:16:04,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 04:16:04,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 04:16:04,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 04:16:04,075 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 04:16:04,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 04:16:04,076 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 04:16:04,076 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 04:16:04,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 04:16:04,076 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-14 04:16:04,076 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 04:16:04,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 04:16:04,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 04:16:04,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 04:16:04,387 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 04:16:04,389 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 04:16:04,389 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/counter-queue.wvr.bpl [2021-07-14 04:16:04,389 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/counter-queue.wvr.bpl' [2021-07-14 04:16:04,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 04:16:04,415 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 04:16:04,417 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 04:16:04,417 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 04:16:04,417 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 04:16:04,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:16:04" (1/1) ... [2021-07-14 04:16:04,435 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:16:04" (1/1) ... [2021-07-14 04:16:04,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 04:16:04,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 04:16:04,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 04:16:04,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 04:16:04,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:16:04" (1/1) ... [2021-07-14 04:16:04,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:16:04" (1/1) ... [2021-07-14 04:16:04,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:16:04" (1/1) ... [2021-07-14 04:16:04,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:16:04" (1/1) ... [2021-07-14 04:16:04,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:16:04" (1/1) ... [2021-07-14 04:16:04,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:16:04" (1/1) ... [2021-07-14 04:16:04,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:16:04" (1/1) ... [2021-07-14 04:16:04,457 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 04:16:04,458 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 04:16:04,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 04:16:04,458 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 04:16:04,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:16:04" (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 [2021-07-14 04:16:04,532 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 04:16:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 04:16:04,532 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 04:16:04,532 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 04:16:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 04:16:04,532 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 04:16:04,532 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 04:16:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 04:16:04,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 04:16:04,533 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 04:16:04,669 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 04:16:04,669 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 04:16:04,671 INFO L202 PluginConnector]: Adding new model counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:16:04 BoogieIcfgContainer [2021-07-14 04:16:04,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 04:16:04,673 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 04:16:04,673 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 04:16:04,677 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 04:16:04,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:16:04" (1/2) ... [2021-07-14 04:16:04,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6210afb1 and model type counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:16:04, skipping insertion in model container [2021-07-14 04:16:04,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:16:04" (2/2) ... [2021-07-14 04:16:04,680 INFO L111 eAbstractionObserver]: Analyzing ICFG counter-queue.wvr.bpl [2021-07-14 04:16:04,684 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 04:16:04,684 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 04:16:04,684 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 04:16:04,685 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 04:16:04,725 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 04:16:04,743 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 [2021-07-14 04:16:04,826 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 04:16:04,827 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 04:16:04,827 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 04:16:04,827 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 04:16:04,827 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 04:16:04,827 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 04:16:04,827 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 04:16:04,827 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 04:16:04,904 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:16:04,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:16:04,909 INFO L82 PathProgramCache]: Analyzing trace with hash -1255291927, now seen corresponding path program 1 times [2021-07-14 04:16:04,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:16:04,916 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145818985] [2021-07-14 04:16:04,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:16:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:16:05,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:16:05,040 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:16:05,041 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145818985] [2021-07-14 04:16:05,041 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145818985] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 04:16:05,041 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 04:16:05,042 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 04:16:05,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100181874] [2021-07-14 04:16:05,065 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 04:16:05,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:16:05,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 04:16:05,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 04:16:05,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:16:05,091 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:16:05,099 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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) [2021-07-14 04:16:05,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:16:05,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:16:05,128 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 04:16:05,128 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:16:05,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:16:05,129 INFO L82 PathProgramCache]: Analyzing trace with hash 417922027, now seen corresponding path program 1 times [2021-07-14 04:16:05,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:16:05,129 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175605933] [2021-07-14 04:16:05,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:16:05,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:16:05,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:16:05,247 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:16:05,247 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175605933] [2021-07-14 04:16:05,247 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175605933] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:16:05,248 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2126495831] [2021-07-14 04:16:05,248 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 [2021-07-14 04:16:05,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:16:05,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-14 04:16:05,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:16:05,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:16:05,485 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2126495831] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:16:05,485 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:16:05,485 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2021-07-14 04:16:05,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586126980] [2021-07-14 04:16:05,486 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 04:16:05,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:16:05,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 04:16:05,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-07-14 04:16:05,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:16:05,488 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:16:05,488 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 04:16:05,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:16:05,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:16:05,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:16:05,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 04:16:05,840 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:16:05,841 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:16:05,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:16:05,841 INFO L82 PathProgramCache]: Analyzing trace with hash -644197395, now seen corresponding path program 1 times [2021-07-14 04:16:05,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:16:05,842 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266071094] [2021-07-14 04:16:05,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:16:05,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:16:06,034 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:16:06,034 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:16:06,034 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266071094] [2021-07-14 04:16:06,035 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266071094] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:16:06,035 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479350639] [2021-07-14 04:16:06,035 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 [2021-07-14 04:16:06,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:16:06,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 04:16:06,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:16:06,309 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:16:06,314 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-07-14 04:16:06,316 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:16:06,321 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:16:06,326 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 04:16:06,326 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:7 [2021-07-14 04:16:06,349 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:16:06,349 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479350639] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:16:06,349 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:16:06,349 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-07-14 04:16:06,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527739437] [2021-07-14 04:16:06,350 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 04:16:06,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:16:06,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 04:16:06,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-07-14 04:16:06,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:16:06,351 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:16:06,351 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 04:16:06,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:16:06,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 04:16:06,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:16:06,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:16:06,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 04:16:06,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 04:16:06,600 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:16:06,601 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:16:06,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:16:06,601 INFO L82 PathProgramCache]: Analyzing trace with hash -48907537, now seen corresponding path program 2 times [2021-07-14 04:16:06,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:16:06,602 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616034561] [2021-07-14 04:16:06,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:16:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:16:06,695 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:16:06,695 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:16:06,695 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616034561] [2021-07-14 04:16:06,696 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616034561] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:16:06,696 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1238175727] [2021-07-14 04:16:06,697 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 [2021-07-14 04:16:06,727 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 04:16:06,728 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:16:06,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 04:16:06,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:16:06,854 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:16:06,854 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1238175727] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:16:06,855 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:16:06,855 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2021-07-14 04:16:06,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746561771] [2021-07-14 04:16:06,855 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 04:16:06,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:16:06,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 04:16:06,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-07-14 04:16:06,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:16:06,857 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:16:06,857 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 2.357142857142857) internal successors, (33), 13 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) [2021-07-14 04:16:06,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:16:06,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 04:16:06,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 04:16:06,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:16:07,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:16:07,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 04:16:07,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 04:16:07,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:16:07,216 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:16:07,217 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:16:07,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:16:07,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1704157681, now seen corresponding path program 3 times [2021-07-14 04:16:07,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:16:07,218 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904912277] [2021-07-14 04:16:07,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:16:07,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:16:07,372 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:16:07,372 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:16:07,372 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904912277] [2021-07-14 04:16:07,372 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904912277] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:16:07,374 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1175523176] [2021-07-14 04:16:07,374 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 [2021-07-14 04:16:07,410 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 04:16:07,410 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:16:07,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-14 04:16:07,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:16:07,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:07,738 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:16:07,749 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:16:07,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 29 [2021-07-14 04:16:07,766 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 04:16:07,783 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:16:07,798 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 04:16:07,799 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:27 [2021-07-14 04:16:07,869 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:16:07,870 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1175523176] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:16:07,870 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:16:07,870 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 15 [2021-07-14 04:16:07,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538775456] [2021-07-14 04:16:07,871 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 04:16:07,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:16:07,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 04:16:07,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2021-07-14 04:16:07,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:16:07,874 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:16:07,874 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 2.3125) internal successors, (37), 15 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) [2021-07-14 04:16:07,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:16:07,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 04:16:07,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 04:16:07,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:16:07,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:16:08,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:16:08,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 04:16:08,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 04:16:08,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:16:08,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:16:08,255 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:16:08,256 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:16:08,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:16:08,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1711150453, now seen corresponding path program 4 times [2021-07-14 04:16:08,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:16:08,257 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665513594] [2021-07-14 04:16:08,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:16:08,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:16:08,379 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:16:08,379 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:16:08,379 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665513594] [2021-07-14 04:16:08,379 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665513594] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:16:08,379 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549428952] [2021-07-14 04:16:08,379 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 [2021-07-14 04:16:08,415 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 04:16:08,415 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:16:08,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-14 04:16:08,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:16:08,589 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:16:08,589 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549428952] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:16:08,590 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:16:08,590 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 19 [2021-07-14 04:16:08,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546044765] [2021-07-14 04:16:08,590 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-14 04:16:08,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:16:08,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-14 04:16:08,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2021-07-14 04:16:08,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:16:08,591 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:16:08,591 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.25) internal successors, (45), 19 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 04:16:08,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:16:08,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 04:16:08,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 04:16:08,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:16:08,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:16:08,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:16:08,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:16:08,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 04:16:08,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 04:16:08,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:16:08,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:16:08,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 04:16:09,102 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:16:09,102 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:16:09,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:16:09,103 INFO L82 PathProgramCache]: Analyzing trace with hash 1439627257, now seen corresponding path program 5 times [2021-07-14 04:16:09,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:16:09,103 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728740534] [2021-07-14 04:16:09,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:16:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:16:09,598 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:16:09,599 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:16:09,599 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728740534] [2021-07-14 04:16:09,599 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728740534] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:16:09,599 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839189668] [2021-07-14 04:16:09,599 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 [2021-07-14 04:16:09,636 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-14 04:16:09,636 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:16:09,637 WARN L261 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 35 conjunts are in the unsatisfiable core [2021-07-14 04:16:09,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:16:10,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:10,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:10,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:10,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:10,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:10,065 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:16:10,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:10,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:10,067 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:16:10,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:10,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:10,069 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:16:10,070 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:16:10,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 7 [2021-07-14 04:16:10,072 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:16:10,077 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:16:10,079 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 04:16:10,079 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:7 [2021-07-14 04:16:10,103 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:16:10,103 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [839189668] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:16:10,103 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:16:10,103 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 24 [2021-07-14 04:16:10,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505518718] [2021-07-14 04:16:10,104 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 04:16:10,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:16:10,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 04:16:10,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=517, Unknown=0, NotChecked=0, Total=600 [2021-07-14 04:16:10,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:16:10,105 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:16:10,105 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.12) internal successors, (53), 24 states have internal predecessors, (53), 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) [2021-07-14 04:16:10,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:16:10,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 04:16:10,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 04:16:10,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:16:10,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:16:10,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 04:16:10,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:16:11,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:16:11,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 04:16:11,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 04:16:11,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:16:11,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:16:11,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 04:16:11,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 04:16:11,520 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:16:11,526 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:16:11,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:16:11,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1621327869, now seen corresponding path program 6 times [2021-07-14 04:16:11,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:16:11,527 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764131110] [2021-07-14 04:16:11,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:16:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:16:11,943 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 4 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:16:11,943 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:16:11,943 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764131110] [2021-07-14 04:16:11,943 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764131110] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:16:11,943 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [698329756] [2021-07-14 04:16:11,943 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 [2021-07-14 04:16:11,975 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-14 04:16:11,975 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:16:11,976 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 47 conjunts are in the unsatisfiable core [2021-07-14 04:16:11,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:16:13,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:13,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:13,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:13,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:13,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:13,099 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:16:13,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:13,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:13,102 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:16:13,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:13,105 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:16:13,107 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:16:13,145 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:16:13,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 6 disjoint index pairs (out of 45 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 81 treesize of output 95 [2021-07-14 04:16:13,228 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-07-14 04:16:13,289 INFO L628 ElimStorePlain]: treesize reduction 280, result has 11.1 percent of original size [2021-07-14 04:16:13,298 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 04:16:13,298 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:103, output treesize:22 [2021-07-14 04:16:13,376 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:16:13,377 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [698329756] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:16:13,377 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:16:13,377 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 33 [2021-07-14 04:16:13,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283063148] [2021-07-14 04:16:13,377 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-14 04:16:13,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:16:13,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-14 04:16:13,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=990, Unknown=0, NotChecked=0, Total=1122 [2021-07-14 04:16:13,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:16:13,379 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:16:13,379 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.7941176470588236) internal successors, (61), 33 states have internal predecessors, (61), 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) [2021-07-14 04:16:13,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:16:13,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 04:16:13,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 04:16:13,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:16:13,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:16:13,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 04:16:13,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 04:16:13,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:16:15,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:16:15,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 04:16:15,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 04:16:15,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:16:15,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:16:15,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 04:16:15,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 04:16:15,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:16:15,515 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-07-14 04:16:15,516 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:16:15,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:16:15,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1607956991, now seen corresponding path program 7 times [2021-07-14 04:16:15,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:16:15,517 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409560823] [2021-07-14 04:16:15,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:16:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:16:16,105 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:16:16,105 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:16:16,105 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409560823] [2021-07-14 04:16:16,105 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409560823] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:16:16,106 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [234588701] [2021-07-14 04:16:16,106 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 [2021-07-14 04:16:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:16:16,154 WARN L261 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 51 conjunts are in the unsatisfiable core [2021-07-14 04:16:16,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:16:16,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:16,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:16,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:16,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:16,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:16,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:16,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:16,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:16,849 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:16:16,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:16,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:16,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:16,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:16,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:16,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:16,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:16,856 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:16:16,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:16,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:16,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:16,858 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:16:16,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:16,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:16,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:16,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:16,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:16,862 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:16:16,863 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:16:16,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:16,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:16,865 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:16:16,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 7 [2021-07-14 04:16:16,867 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:16:16,872 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:16:16,874 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 04:16:16,874 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:107, output treesize:7 [2021-07-14 04:16:16,903 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:16:16,904 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [234588701] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:16:16,904 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:16:16,904 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 16] total 32 [2021-07-14 04:16:16,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70312051] [2021-07-14 04:16:16,908 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-14 04:16:16,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:16:16,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-14 04:16:16,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=934, Unknown=0, NotChecked=0, Total=1056 [2021-07-14 04:16:16,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:16:16,909 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:16:16,909 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 2.090909090909091) internal successors, (69), 32 states have internal predecessors, (69), 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) [2021-07-14 04:16:16,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:16:16,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 04:16:16,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 04:16:16,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:16:16,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:16:16,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 04:16:16,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 04:16:16,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:16:16,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:16:18,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:16:18,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 04:16:18,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 04:16:18,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:16:18,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:16:18,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 04:16:18,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 04:16:18,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:16:18,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:16:18,856 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:16:18,857 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:16:18,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:16:18,857 INFO L82 PathProgramCache]: Analyzing trace with hash -1654191611, now seen corresponding path program 8 times [2021-07-14 04:16:18,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:16:18,858 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179202404] [2021-07-14 04:16:18,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:16:18,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:16:19,539 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 16 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:16:19,540 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:16:19,540 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179202404] [2021-07-14 04:16:19,540 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179202404] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:16:19,540 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [513587499] [2021-07-14 04:16:19,540 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 [2021-07-14 04:16:19,587 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 04:16:19,587 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:16:19,588 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 59 conjunts are in the unsatisfiable core [2021-07-14 04:16:19,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:16:20,376 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:16:20,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:20,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:20,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:20,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:20,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:20,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:20,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:20,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:20,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:20,383 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:16:20,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:20,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:20,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:20,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:20,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:20,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:20,388 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:16:20,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:20,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:20,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:20,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:20,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:20,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:20,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:20,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:20,394 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:16:20,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:20,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:20,396 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:16:20,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:20,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:20,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:20,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:20,399 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:16:20,400 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:16:20,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 7 [2021-07-14 04:16:20,402 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:16:20,408 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:16:20,409 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 04:16:20,409 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:123, output treesize:7 [2021-07-14 04:16:20,441 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:16:20,441 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [513587499] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:16:20,441 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:16:20,441 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 18] total 36 [2021-07-14 04:16:20,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67423921] [2021-07-14 04:16:20,442 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-14 04:16:20,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:16:20,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-14 04:16:20,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=1192, Unknown=0, NotChecked=0, Total=1332 [2021-07-14 04:16:20,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:16:20,443 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:16:20,443 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.081081081081081) internal successors, (77), 36 states have internal predecessors, (77), 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) [2021-07-14 04:16:20,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:16:20,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 04:16:20,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 04:16:20,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:16:20,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:16:20,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 04:16:20,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 04:16:20,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:16:20,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:16:20,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:16:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:16:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 04:16:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 04:16:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 04:16:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:16:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 04:16:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 04:16:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:16:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:16:22,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:16:22,881 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:16:22,881 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:16:22,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:16:22,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1226306551, now seen corresponding path program 9 times [2021-07-14 04:16:22,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:16:22,882 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536653129] [2021-07-14 04:16:22,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:16:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:16:23,618 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 25 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:16:23,618 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:16:23,618 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536653129] [2021-07-14 04:16:23,618 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536653129] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:16:23,618 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [470727796] [2021-07-14 04:16:23,619 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 [2021-07-14 04:16:23,655 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-07-14 04:16:23,656 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:16:23,657 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 71 conjunts are in the unsatisfiable core [2021-07-14 04:16:23,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:16:27,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:27,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:27,743 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:16:27,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:27,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:27,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:27,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:27,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:27,755 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:16:27,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:27,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:27,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:27,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:27,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:27,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:27,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:27,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:27,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:27,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:27,774 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:16:27,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:27,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:27,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:27,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:27,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:27,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:27,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:27,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:27,791 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:16:27,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:27,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:16:28,087 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2021-07-14 04:16:28,087 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:16:28,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 24 disjoint index pairs (out of 120 index pairs), introduced 12 new quantified variables, introduced 74 case distinctions, treesize of input 141 treesize of output 487 [2021-07-14 04:16:29,146 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 212 [2021-07-14 04:16:29,411 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 242 [2021-07-14 04:16:29,840 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 262 [2021-07-14 04:16:30,155 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 308 [2021-07-14 04:16:30,760 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 221 [2021-07-14 04:16:31,109 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 271 [2021-07-14 04:16:31,796 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 221 [2021-07-14 04:16:32,012 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 242 [2021-07-14 04:16:32,863 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2021-07-14 04:16:33,373 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 276 [2021-07-14 04:16:34,186 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 342 [2021-07-14 04:16:35,009 WARN L205 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 412 [2021-07-14 04:16:36,291 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 503 DAG size of output: 520 [2021-07-14 04:16:38,187 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 641 DAG size of output: 665 [2021-07-14 04:16:40,443 WARN L205 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 673 DAG size of output: 697 [2021-07-14 04:16:41,094 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 263 [2021-07-14 04:16:41,262 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 298 [2021-07-14 04:16:41,508 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 333 [2021-07-14 04:16:41,807 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 371 DAG size of output: 370 [2021-07-14 04:16:42,353 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 297 [2021-07-14 04:16:42,497 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 334 [2021-07-14 04:16:42,949 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 276 [2021-07-14 04:16:43,217 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 468 DAG size of output: 477 [2021-07-14 04:16:43,755 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 287 [2021-07-14 04:16:44,296 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 307 [2021-07-14 04:16:44,958 WARN L205 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 634 [2021-07-14 04:16:45,811 WARN L205 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 666 DAG size of output: 678 [2021-07-14 04:16:47,272 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 823 DAG size of output: 833 [2021-07-14 04:16:48,058 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 207 [2021-07-14 04:16:48,212 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 222 [2021-07-14 04:16:48,586 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 270 [2021-07-14 04:16:48,980 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 347 [2021-07-14 04:16:49,851 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 411 [2021-07-14 04:16:52,484 WARN L205 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 1066 DAG size of output: 1073 [2021-07-14 04:16:58,269 WARN L205 SmtUtils]: Spent 5.78 s on a formula simplification. DAG size of input: 1491 DAG size of output: 1519 [2021-07-14 04:17:04,045 WARN L205 SmtUtils]: Spent 5.77 s on a formula simplification. DAG size of input: 1491 DAG size of output: 1519 [2021-07-14 04:17:10,262 WARN L205 SmtUtils]: Spent 6.21 s on a formula simplification. DAG size of input: 1502 DAG size of output: 1530 [2021-07-14 04:17:12,901 WARN L205 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 741 DAG size of output: 950 [2021-07-14 04:17:15,786 WARN L205 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 736 DAG size of output: 1124 [2021-07-14 04:17:17,685 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 692 DAG size of output: 835 [2021-07-14 04:17:18,453 WARN L205 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 695 [2021-07-14 04:17:20,348 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 617 DAG size of output: 791 [2021-07-14 04:17:20,952 WARN L205 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 581 DAG size of output: 595 [2021-07-14 04:17:22,094 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 578 DAG size of output: 808 [2021-07-14 04:17:22,924 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 446 [2021-07-14 04:17:23,673 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 558 [2021-07-14 04:17:23,841 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 222 [2021-07-14 04:17:24,269 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 315 [2021-07-14 04:17:25,399 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 275 [2021-07-14 04:17:25,609 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 412 [2021-07-14 04:17:29,288 WARN L205 SmtUtils]: Spent 3.67 s on a formula simplification. DAG size of input: 1917 DAG size of output: 1769 [2021-07-14 04:17:34,763 WARN L205 SmtUtils]: Spent 5.46 s on a formula simplification. DAG size of input: 2194 DAG size of output: 2044 [2021-07-14 04:17:42,484 WARN L205 SmtUtils]: Spent 7.71 s on a formula simplification. DAG size of input: 2459 DAG size of output: 2323 [2021-07-14 04:17:43,088 WARN L205 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 587 [2021-07-14 04:17:43,309 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 541 [2021-07-14 04:17:43,836 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 446 [2021-07-14 04:17:44,037 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 223 [2021-07-14 04:17:44,528 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 257 [2021-07-14 04:17:44,758 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 351 [2021-07-14 04:17:45,497 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 387 [2021-07-14 04:17:45,930 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 240 [2021-07-14 04:17:46,264 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 531 [2021-07-14 04:17:46,944 WARN L205 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 771 DAG size of output: 708 [2021-07-14 04:17:47,458 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 350 [2021-07-14 04:17:47,720 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 354 [2021-07-14 04:17:48,553 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 471 DAG size of output: 443 [2021-07-14 04:17:48,899 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 256 [2021-07-14 04:17:49,192 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 311 [2021-07-14 04:17:49,670 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 289 [2021-07-14 04:17:50,028 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 344 [2021-07-14 04:17:51,276 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 734 DAG size of output: 696 [2021-07-14 04:17:53,775 WARN L205 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 1237 DAG size of output: 1148 [2021-07-14 04:17:53,942 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 306 [2021-07-14 04:17:54,503 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 348 [2021-07-14 04:17:55,242 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 485 DAG size of output: 473 [2021-07-14 04:17:55,623 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 690 [2021-07-14 04:17:56,231 WARN L205 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 795 DAG size of output: 784 [2021-07-14 04:17:57,201 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 357 [2021-07-14 04:17:57,756 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 288 [2021-07-14 04:17:57,975 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 381 [2021-07-14 04:17:58,493 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 311 [2021-07-14 04:17:58,968 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 550 [2021-07-14 04:17:59,795 WARN L205 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 790 DAG size of output: 792 [2021-07-14 04:18:04,736 WARN L205 SmtUtils]: Spent 4.94 s on a formula simplification. DAG size of input: 2269 DAG size of output: 2166 [2021-07-14 04:18:12,558 WARN L205 SmtUtils]: Spent 7.73 s on a formula simplification. DAG size of input: 2617 DAG size of output: 2468 [2021-07-14 04:18:22,632 WARN L205 SmtUtils]: Spent 10.06 s on a formula simplification. DAG size of input: 2856 DAG size of output: 2716 [2021-07-14 04:18:43,274 WARN L205 SmtUtils]: Spent 20.63 s on a formula simplification. DAG size of input: 4301 DAG size of output: 4043 [2021-07-14 04:18:43,884 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 637 DAG size of output: 651 [2021-07-14 04:18:45,219 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 634 DAG size of output: 902 [2021-07-14 04:18:46,388 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 478 DAG size of output: 700 [2021-07-14 04:18:46,854 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 194 [2021-07-14 04:18:47,658 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 324 [2021-07-14 04:18:48,048 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 387 [2021-07-14 04:18:48,217 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 280 [2021-07-14 04:18:48,722 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 427 [2021-07-14 04:18:50,721 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 1172 DAG size of output: 1090 [2021-07-14 04:18:51,449 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 381 [2021-07-14 04:18:51,778 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 501 [2021-07-14 04:18:52,535 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 285 [2021-07-14 04:18:53,129 WARN L205 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 662 [2021-07-14 04:18:56,345 WARN L205 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 1655 DAG size of output: 1556 [2021-07-14 04:19:01,128 WARN L205 SmtUtils]: Spent 4.77 s on a formula simplification. DAG size of input: 1952 DAG size of output: 1867 [2021-07-14 04:19:08,058 WARN L205 SmtUtils]: Spent 6.92 s on a formula simplification. DAG size of input: 2252 DAG size of output: 2166 [2021-07-14 04:19:19,364 WARN L205 SmtUtils]: Spent 11.10 s on a formula simplification. DAG size of input: 3203 DAG size of output: 2955 [2021-07-14 04:19:56,551 WARN L205 SmtUtils]: Spent 37.17 s on a formula simplification. DAG size of input: 6325 DAG size of output: 5851 [2021-07-14 04:19:56,701 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 701 [2021-07-14 04:19:59,220 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 671 DAG size of output: 978 [2021-07-14 04:20:01,761 WARN L205 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 668 DAG size of output: 961 [2021-07-14 04:20:05,028 WARN L205 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 665 DAG size of output: 974 [2021-07-14 04:20:05,502 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 285 [2021-07-14 04:20:05,679 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 193 [2021-07-14 04:20:06,051 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 337 [2021-07-14 04:20:06,547 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 416 [2021-07-14 04:20:06,994 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 453 [2021-07-14 04:20:07,665 WARN L205 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 615 DAG size of output: 563 [2021-07-14 04:20:07,790 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 200 [2021-07-14 04:20:08,099 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 262 [2021-07-14 04:20:09,009 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 316 [2021-07-14 04:20:09,896 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 583 DAG size of output: 563 [2021-07-14 04:20:10,377 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 394 [2021-07-14 04:20:10,826 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 220 [2021-07-14 04:20:11,842 WARN L205 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 658 DAG size of output: 639 [2021-07-14 04:20:18,305 WARN L205 SmtUtils]: Spent 6.46 s on a formula simplification. DAG size of input: 2009 DAG size of output: 1914 [2021-07-14 04:20:28,063 WARN L205 SmtUtils]: Spent 9.75 s on a formula simplification. DAG size of input: 2013 DAG size of output: 1916 [2021-07-14 04:20:41,234 WARN L205 SmtUtils]: Spent 13.16 s on a formula simplification. DAG size of input: 2325 DAG size of output: 2231 [2021-07-14 04:21:02,091 WARN L205 SmtUtils]: Spent 20.60 s on a formula simplification. DAG size of input: 3594 DAG size of output: 3167 [2021-07-14 04:22:08,144 WARN L205 SmtUtils]: Spent 1.10 m on a formula simplification. DAG size of input: 9326 DAG size of output: 8368 [2021-07-14 04:23:26,723 WARN L205 SmtUtils]: Spent 1.31 m on a formula simplification. DAG size of input: 9585 DAG size of output: 8636 [2021-07-14 04:23:30,189 WARN L205 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 1088 DAG size of output: 1536 [2021-07-14 04:23:33,506 WARN L205 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 1085 DAG size of output: 1490 [2021-07-14 04:23:33,670 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2021-07-14 04:23:33,860 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 263 [2021-07-14 04:23:34,000 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 260 [2021-07-14 04:23:34,128 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 224 [2021-07-14 04:23:34,232 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 220 [2021-07-14 04:23:34,486 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 281 [2021-07-14 04:23:34,715 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 284 [2021-07-14 04:23:35,045 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 336 [2021-07-14 04:23:35,546 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 401 [2021-07-14 04:23:36,220 WARN L205 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 403 [2021-07-14 04:23:36,619 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 367 [2021-07-14 04:23:36,980 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 359 [2021-07-14 04:23:37,518 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 364 [2021-07-14 04:23:37,813 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 246 [2021-07-14 04:23:38,808 WARN L205 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 628 DAG size of output: 589 [2021-07-14 04:23:39,821 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 633 DAG size of output: 592 [2021-07-14 04:23:41,306 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 757 DAG size of output: 712 [2021-07-14 04:23:41,438 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 244 [2021-07-14 04:23:41,555 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 243 [2021-07-14 04:23:41,670 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 233 [2021-07-14 04:23:42,266 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 322 [2021-07-14 04:23:42,499 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 368 [2021-07-14 04:23:42,874 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 422 [2021-07-14 04:23:43,440 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 469 [2021-07-14 04:23:45,901 WARN L205 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 1092 DAG size of output: 1023 [2021-07-14 04:23:49,642 WARN L205 SmtUtils]: Spent 3.74 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1202 [2021-07-14 04:23:49,755 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 840 [2021-07-14 04:23:50,197 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 412 [2021-07-14 04:23:50,747 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 236 [2021-07-14 04:23:51,030 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 297 [2021-07-14 04:23:51,419 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 352 [2021-07-14 04:23:51,973 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 326 [2021-07-14 04:23:52,268 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 350 [2021-07-14 04:23:52,875 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 493 [2021-07-14 04:23:53,392 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 641 DAG size of output: 602 [2021-07-14 04:23:54,168 WARN L205 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 779 DAG size of output: 741 [2021-07-14 04:23:55,511 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 987 DAG size of output: 950 [2021-07-14 04:23:57,418 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 1124 DAG size of output: 1088 [2021-07-14 04:24:00,515 WARN L205 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 1499 DAG size of output: 1406 [2021-07-14 04:24:01,121 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 340 [2021-07-14 04:24:01,338 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 353 [2021-07-14 04:24:02,021 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 587 DAG size of output: 571 [2021-07-14 04:24:02,381 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 727 DAG size of output: 707 [2021-07-14 04:24:02,935 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 816 DAG size of output: 802 [2021-07-14 04:24:03,469 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 333 [2021-07-14 04:24:04,349 WARN L205 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 1003 [2021-07-14 04:24:04,614 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 366 [2021-07-14 04:24:04,749 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 322 [2021-07-14 04:24:04,874 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 306 [2021-07-14 04:24:05,383 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 609 DAG size of output: 586 [2021-07-14 04:24:05,782 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 693 DAG size of output: 674 [2021-07-14 04:24:06,414 WARN L205 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 818 DAG size of output: 794 [2021-07-14 04:24:06,579 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 312 [2021-07-14 04:24:07,303 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 532 [2021-07-14 04:24:07,735 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 676 [2021-07-14 04:24:08,086 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 305 [2021-07-14 04:24:08,781 WARN L205 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 845 DAG size of output: 815 [2021-07-14 04:24:09,380 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 301 [2021-07-14 04:24:09,485 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 335 [2021-07-14 04:24:09,689 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 318 [2021-07-14 04:24:10,106 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 499 [2021-07-14 04:24:10,368 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 664 DAG size of output: 632 [2021-07-14 04:24:10,569 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 335 [2021-07-14 04:24:10,677 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 297 [2021-07-14 04:24:10,784 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 299 [2021-07-14 04:24:11,692 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 517 [2021-07-14 04:24:12,026 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 684 DAG size of output: 639 [2021-07-14 04:24:12,531 WARN L205 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 804 DAG size of output: 760 [2021-07-14 04:24:13,288 WARN L205 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 917 DAG size of output: 878 [2021-07-14 04:24:14,404 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 1213 DAG size of output: 1168 [2021-07-14 04:24:16,902 WARN L205 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 1965 DAG size of output: 1905 [2021-07-14 04:24:21,968 WARN L205 SmtUtils]: Spent 5.06 s on a formula simplification. DAG size of input: 2878 DAG size of output: 2788 [2021-07-14 04:24:30,898 WARN L205 SmtUtils]: Spent 8.91 s on a formula simplification. DAG size of input: 4237 DAG size of output: 3592 [2021-07-14 04:24:44,918 WARN L205 SmtUtils]: Spent 14.00 s on a formula simplification. DAG size of input: 5311 DAG size of output: 4573 [2021-07-14 04:25:06,362 WARN L205 SmtUtils]: Spent 21.42 s on a formula simplification. DAG size of input: 6289 DAG size of output: 5463 [2021-07-14 04:25:34,733 WARN L205 SmtUtils]: Spent 28.34 s on a formula simplification. DAG size of input: 6859 DAG size of output: 6051 [2021-07-14 04:26:09,245 WARN L205 SmtUtils]: Spent 34.48 s on a formula simplification. DAG size of input: 6979 DAG size of output: 6178 [2021-07-14 04:28:17,940 WARN L205 SmtUtils]: Spent 2.14 m on a formula simplification. DAG size of input: 15531 DAG size of output: 13741 [2021-07-14 04:30:28,116 WARN L205 SmtUtils]: Spent 2.17 m on a formula simplification. DAG size of input: 15531 DAG size of output: 13741 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown