/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 15:11:05,977 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 15:11:05,979 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 15:11:05,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-06 15:11:05,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-06 15:11:05,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-06 15:11:05,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-06 15:11:05,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-06 15:11:05,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-06 15:11:06,000 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-06 15:11:06,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-06 15:11:06,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-06 15:11:06,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 15:11:06,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 15:11:06,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 15:11:06,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 15:11:06,003 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 15:11:06,004 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 15:11:06,005 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 15:11:06,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 15:11:06,007 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 15:11:06,007 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 15:11:06,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 15:11:06,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 15:11:06,010 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-06 15:11:06,010 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-06 15:11:06,010 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-06 15:11:06,011 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-06 15:11:06,011 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-06 15:11:06,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-06 15:11:06,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-06 15:11:06,012 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-06 15:11:06,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-06 15:11:06,013 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-06 15:11:06,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-06 15:11:06,014 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-06 15:11:06,014 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-06 15:11:06,014 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-06 15:11:06,014 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 15:11:06,015 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 15:11:06,015 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 15:11:06,016 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random42.epf [2021-06-06 15:11:06,029 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 15:11:06,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 15:11:06,030 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 15:11:06,030 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 15:11:06,030 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 15:11:06,031 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 15:11:06,031 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 15:11:06,031 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 15:11:06,031 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 15:11:06,031 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 15:11:06,031 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 15:11:06,031 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 15:11:06,031 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 15:11:06,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 15:11:06,031 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 15:11:06,031 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 15:11:06,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 15:11:06,032 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 15:11:06,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 15:11:06,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 15:11:06,032 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 15:11:06,032 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 15:11:06,032 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 15:11:06,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 15:11:06,032 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 15:11:06,032 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 15:11:06,032 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 15:11:06,033 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 15:11:06,033 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 15:11:06,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 15:11:06,033 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 15:11:06,033 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 15:11:06,033 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 15:11:06,033 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 15:11:06,033 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 15:11:06,033 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 15:11:06,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 15:11:06,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 15:11:06,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 15:11:06,268 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 15:11:06,268 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 15:11:06,269 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl [2021-06-06 15:11:06,269 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl' [2021-06-06 15:11:06,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 15:11:06,287 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 15:11:06,288 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 15:11:06,288 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 15:11:06,288 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 15:11:06,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:11:06" (1/1) ... [2021-06-06 15:11:06,303 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:11:06" (1/1) ... [2021-06-06 15:11:06,308 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 15:11:06,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 15:11:06,309 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 15:11:06,309 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 15:11:06,314 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:11:06" (1/1) ... [2021-06-06 15:11:06,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:11:06" (1/1) ... [2021-06-06 15:11:06,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:11:06" (1/1) ... [2021-06-06 15:11:06,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:11:06" (1/1) ... [2021-06-06 15:11:06,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:11:06" (1/1) ... [2021-06-06 15:11:06,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:11:06" (1/1) ... [2021-06-06 15:11:06,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:11:06" (1/1) ... [2021-06-06 15:11:06,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 15:11:06,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 15:11:06,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 15:11:06,321 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 15:11:06,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:11:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 15:11:06,370 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 15:11:06,370 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 15:11:06,370 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 15:11:06,370 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 15:11:06,370 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 15:11:06,370 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 15:11:06,371 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 15:11:06,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 15:11:06,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 15:11:06,372 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 15:11:06,587 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 15:11:06,587 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-06 15:11:06,588 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-06 15:11:06,588 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-06 15:11:06,589 INFO L202 PluginConnector]: Adding new model unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 03:11:06 BoogieIcfgContainer [2021-06-06 15:11:06,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 15:11:06,590 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 15:11:06,590 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 15:11:06,592 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 15:11:06,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:11:06" (1/2) ... [2021-06-06 15:11:06,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ac654d2 and model type unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 03:11:06, skipping insertion in model container [2021-06-06 15:11:06,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 03:11:06" (2/2) ... [2021-06-06 15:11:06,593 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-3.wvr.bpl [2021-06-06 15:11:06,597 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 15:11:06,597 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 15:11:06,597 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 15:11:06,597 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 15:11:06,615 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-06 15:11:06,635 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 15:11:06,676 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 15:11:06,677 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 15:11:06,677 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 15:11:06,677 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 15:11:06,677 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 15:11:06,677 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 15:11:06,677 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 15:11:06,677 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 15:11:06,699 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:11:06,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:11:06,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1040214325, now seen corresponding path program 1 times [2021-06-06 15:11:06,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:11:06,711 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094336315] [2021-06-06 15:11:06,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:11:06,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:11:06,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:11:06,816 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:11:06,816 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094336315] [2021-06-06 15:11:06,817 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094336315] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 15:11:06,817 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 15:11:06,818 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-06 15:11:06,818 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79126978] [2021-06-06 15:11:06,822 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 15:11:06,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:11:06,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 15:11:06,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 15:11:06,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:11:06,836 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:11:06,837 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:11:06,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:11:06,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 15:11:06,874 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 15:11:06,874 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:11:06,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:11:06,875 INFO L82 PathProgramCache]: Analyzing trace with hash -614275243, now seen corresponding path program 1 times [2021-06-06 15:11:06,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:11:06,875 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873915718] [2021-06-06 15:11:06,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:11:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:11:06,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:11:06,910 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:11:06,910 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873915718] [2021-06-06 15:11:06,911 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873915718] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:11:06,911 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956943923] [2021-06-06 15:11:06,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:11:06,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:11:06,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-06 15:11:06,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:11:06,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:11:06,986 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956943923] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:11:06,986 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:11:06,986 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-06-06 15:11:06,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212947382] [2021-06-06 15:11:06,987 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-06 15:11:06,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:11:06,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-06 15:11:06,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-06 15:11:06,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:11:06,988 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:11:06,988 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:11:06,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 15:11:06,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:11:07,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 15:11:07,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:11:07,228 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:11:07,229 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:11:07,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:11:07,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1861934924, now seen corresponding path program 1 times [2021-06-06 15:11:07,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:11:07,230 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619842179] [2021-06-06 15:11:07,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:11:07,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:11:07,295 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 15:11:07,296 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:11:07,296 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619842179] [2021-06-06 15:11:07,296 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619842179] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:11:07,296 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1652612047] [2021-06-06 15:11:07,296 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 [2021-06-06 15:11:07,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:11:07,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-06 15:11:07,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:11:07,368 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 15:11:07,369 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1652612047] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:11:07,369 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:11:07,369 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-06-06 15:11:07,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707435554] [2021-06-06 15:11:07,369 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 15:11:07,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:11:07,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 15:11:07,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 15:11:07,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:11:07,370 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:11:07,370 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:11:07,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 15:11:07,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:11:07,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:11:07,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 15:11:07,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:11:07,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:11:07,598 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:11:07,599 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:11:07,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:11:07,599 INFO L82 PathProgramCache]: Analyzing trace with hash 1606457044, now seen corresponding path program 2 times [2021-06-06 15:11:07,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:11:07,599 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464252981] [2021-06-06 15:11:07,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:11:07,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:11:07,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 15:11:07,633 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:11:07,633 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464252981] [2021-06-06 15:11:07,634 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464252981] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:11:07,634 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578971085] [2021-06-06 15:11:07,634 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 [2021-06-06 15:11:07,664 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 15:11:07,664 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:11:07,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-06 15:11:07,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:11:07,707 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 15:11:07,707 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [578971085] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:11:07,707 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:11:07,707 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-06-06 15:11:07,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567602168] [2021-06-06 15:11:07,708 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 15:11:07,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:11:07,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 15:11:07,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-06 15:11:07,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:11:07,709 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:11:07,709 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:11:07,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 15:11:07,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:11:07,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:11:07,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:11:07,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 15:11:07,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:11:07,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:11:07,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:11:07,948 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:11:07,949 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:11:07,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:11:07,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1752425652, now seen corresponding path program 3 times [2021-06-06 15:11:07,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:11:07,950 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715796759] [2021-06-06 15:11:07,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:11:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:11:07,987 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:11:07,987 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:11:07,993 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715796759] [2021-06-06 15:11:07,993 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715796759] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:11:07,993 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1577833618] [2021-06-06 15:11:07,994 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 [2021-06-06 15:11:08,018 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-06 15:11:08,018 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:11:08,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-06 15:11:08,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:11:08,152 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 15:11:08,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-06-06 15:11:08,186 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:11:08,188 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 15:11:08,189 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:11:08,189 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-06-06 15:11:08,198 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:11:08,198 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1577833618] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:11:08,198 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:11:08,199 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 9 [2021-06-06 15:11:08,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973547894] [2021-06-06 15:11:08,199 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-06 15:11:08,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:11:08,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-06 15:11:08,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-06-06 15:11:08,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:11:08,200 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:11:08,200 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.2) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:11:08,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 15:11:08,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:11:08,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:11:08,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:11:08,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:11:08,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 15:11:08,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:11:08,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:11:08,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:11:08,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:11:08,430 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:11:08,431 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:11:08,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:11:08,431 INFO L82 PathProgramCache]: Analyzing trace with hash 1982485204, now seen corresponding path program 4 times [2021-06-06 15:11:08,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:11:08,431 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059779222] [2021-06-06 15:11:08,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:11:08,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:11:08,472 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:11:08,473 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:11:08,473 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059779222] [2021-06-06 15:11:08,473 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059779222] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:11:08,473 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1081554105] [2021-06-06 15:11:08,473 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 [2021-06-06 15:11:08,502 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 15:11:08,502 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:11:08,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 15:11:08,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:11:08,578 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:11:08,579 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1081554105] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:11:08,579 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:11:08,579 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-06-06 15:11:08,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924497511] [2021-06-06 15:11:08,579 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-06 15:11:08,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:11:08,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-06 15:11:08,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-06-06 15:11:08,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:11:08,580 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:11:08,580 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:11:08,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 15:11:08,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:11:08,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:11:08,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:11:08,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:11:08,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:11:08,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 15:11:08,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:11:08,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:11:08,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:11:08,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:11:08,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:11:08,876 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:11:08,877 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:11:08,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:11:08,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1328227605, now seen corresponding path program 5 times [2021-06-06 15:11:08,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:11:08,877 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523444264] [2021-06-06 15:11:08,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:11:08,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:11:08,931 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-06 15:11:08,931 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:11:08,931 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523444264] [2021-06-06 15:11:08,931 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523444264] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:11:08,931 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106003738] [2021-06-06 15:11:08,932 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 [2021-06-06 15:11:08,962 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-06 15:11:08,963 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:11:08,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-06 15:11:08,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:11:09,021 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-06 15:11:09,021 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2106003738] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:11:09,021 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:11:09,021 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-06 15:11:09,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275992653] [2021-06-06 15:11:09,022 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 15:11:09,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:11:09,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 15:11:09,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-06-06 15:11:09,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:11:09,022 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:11:09,022 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:11:09,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 15:11:09,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:11:09,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:11:09,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:11:09,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:11:09,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:11:09,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:11:09,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 15:11:09,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:11:09,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:11:09,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:11:09,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:11:09,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:11:09,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:11:09,304 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:11:09,305 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:11:09,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:11:09,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1986533099, now seen corresponding path program 6 times [2021-06-06 15:11:09,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:11:09,305 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553291236] [2021-06-06 15:11:09,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:11:09,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:11:09,358 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:11:09,358 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:11:09,358 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553291236] [2021-06-06 15:11:09,358 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553291236] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:11:09,360 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119305395] [2021-06-06 15:11:09,360 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 [2021-06-06 15:11:09,388 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-06 15:11:09,388 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:11:09,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-06 15:11:09,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:11:09,580 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 15:11:09,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 31 treesize of output 142 [2021-06-06 15:11:09,919 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:11:09,920 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 15:11:09,921 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:11:09,921 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-06-06 15:11:09,925 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:11:09,925 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1119305395] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:11:09,925 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:11:09,925 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 16 [2021-06-06 15:11:09,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457101737] [2021-06-06 15:11:09,925 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 15:11:09,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:11:09,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 15:11:09,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-06-06 15:11:09,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:11:09,926 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:11:09,926 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 16 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:11:09,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 15:11:09,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:11:09,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:11:09,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:11:09,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:11:09,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:11:09,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:11:09,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:11:09,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 15:11:09,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:11:09,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:11:09,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:11:09,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:11:09,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:11:09,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:11:09,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 15:11:10,193 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-06-06 15:11:10,193 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:11:10,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:11:10,194 INFO L82 PathProgramCache]: Analyzing trace with hash -605836011, now seen corresponding path program 7 times [2021-06-06 15:11:10,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:11:10,194 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618273839] [2021-06-06 15:11:10,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:11:10,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:11:10,269 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:11:10,269 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:11:10,269 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618273839] [2021-06-06 15:11:10,269 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618273839] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:11:10,269 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82869704] [2021-06-06 15:11:10,270 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 [2021-06-06 15:11:10,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:11:10,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-06 15:11:10,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:11:10,351 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:11:10,351 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [82869704] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:11:10,351 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:11:10,351 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2021-06-06 15:11:10,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404108405] [2021-06-06 15:11:10,353 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-06 15:11:10,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:11:10,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-06 15:11:10,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2021-06-06 15:11:10,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:11:10,355 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:11:10,355 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:11:10,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 15:11:10,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:11:10,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:11:10,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:11:10,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:11:10,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:11:10,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:11:10,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 15:11:10,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:11:10,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 15:11:10,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:11:10,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:11:10,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:11:10,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:11:10,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:11:10,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:11:10,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 15:11:10,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 15:11:10,685 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:11:10,686 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:11:10,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:11:10,686 INFO L82 PathProgramCache]: Analyzing trace with hash -1600318732, now seen corresponding path program 8 times [2021-06-06 15:11:10,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:11:10,686 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041945445] [2021-06-06 15:11:10,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:11:10,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:11:10,804 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-06 15:11:10,804 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:11:10,804 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041945445] [2021-06-06 15:11:10,804 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041945445] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:11:10,804 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1435916861] [2021-06-06 15:11:10,804 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 [2021-06-06 15:11:10,839 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 15:11:10,839 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:11:10,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-06 15:11:10,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:11:10,943 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-06 15:11:10,943 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1435916861] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:11:10,943 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:11:10,943 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2021-06-06 15:11:10,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999079798] [2021-06-06 15:11:10,944 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-06 15:11:10,944 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:11:10,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-06 15:11:10,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2021-06-06 15:11:10,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:11:10,944 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:11:10,944 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5625) internal successors, (25), 15 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:11:10,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 15:11:10,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:11:10,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:11:10,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:11:10,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:11:10,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:11:10,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:11:10,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 15:11:10,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 15:11:10,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:11:11,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 15:11:11,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:11:11,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:11:11,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:11:11,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:11:11,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:11:11,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:11:11,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 15:11:11,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 15:11:11,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:11:11,296 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:11:11,297 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:11:11,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:11:11,297 INFO L82 PathProgramCache]: Analyzing trace with hash -1751875372, now seen corresponding path program 9 times [2021-06-06 15:11:11,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:11:11,297 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271454548] [2021-06-06 15:11:11,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:11:11,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:11:11,375 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:11:11,375 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:11:11,375 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271454548] [2021-06-06 15:11:11,375 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271454548] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:11:11,375 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2075687051] [2021-06-06 15:11:11,375 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 [2021-06-06 15:11:11,424 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-06 15:11:11,424 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:11:11,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-06 15:11:11,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:11:11,751 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-06-06 15:11:11,751 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 15:11:11,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 43 treesize of output 319 [2021-06-06 15:11:12,583 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 278 [2021-06-06 15:11:12,718 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 285 [2021-06-06 15:11:12,851 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 285 [2021-06-06 15:11:13,004 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 295 [2021-06-06 15:11:13,118 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 264 [2021-06-06 15:11:14,024 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 234 [2021-06-06 15:11:14,148 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 234 [2021-06-06 15:11:14,255 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 241 [2021-06-06 15:11:14,399 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 293 [2021-06-06 15:11:15,182 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 179 [2021-06-06 15:11:15,463 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 241 [2021-06-06 15:11:15,610 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 273 [2021-06-06 15:11:15,753 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 273 [2021-06-06 15:11:15,912 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 279 [2021-06-06 15:11:16,101 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 270 [2021-06-06 15:11:16,953 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 481 DAG size of output: 268 [2021-06-06 15:11:17,120 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 276 [2021-06-06 15:11:17,245 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 276 [2021-06-06 15:11:17,386 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 495 DAG size of output: 280 [2021-06-06 15:11:17,788 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:11:17,790 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 15:11:17,790 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:11:17,790 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-06-06 15:11:17,794 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:11:17,794 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2075687051] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:11:17,795 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:11:17,795 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14] total 23 [2021-06-06 15:11:17,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966148382] [2021-06-06 15:11:17,795 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-06 15:11:17,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:11:17,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-06 15:11:17,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=495, Unknown=0, NotChecked=0, Total=552 [2021-06-06 15:11:17,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:11:17,796 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:11:17,796 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 23 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:11:17,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 15:11:17,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:11:17,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:11:17,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:11:17,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:11:17,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:11:17,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:11:17,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 15:11:17,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 15:11:17,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:11:17,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:11:17,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 15:11:17,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:11:17,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:11:17,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:11:17,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:11:17,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:11:17,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:11:17,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 15:11:17,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 15:11:17,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:11:17,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:11:18,096 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2021-06-06 15:11:18,097 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:11:18,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:11:18,097 INFO L82 PathProgramCache]: Analyzing trace with hash 1509526260, now seen corresponding path program 10 times [2021-06-06 15:11:18,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:11:18,098 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147004602] [2021-06-06 15:11:18,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:11:18,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:11:18,235 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 55 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:11:18,236 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:11:18,236 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147004602] [2021-06-06 15:11:18,236 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147004602] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:11:18,236 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509054786] [2021-06-06 15:11:18,236 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:11:18,277 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 15:11:18,278 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:11:18,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-06 15:11:18,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:11:18,334 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 66 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:11:18,335 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [509054786] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:11:18,335 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:11:18,335 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 18 [2021-06-06 15:11:18,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779550560] [2021-06-06 15:11:18,335 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-06 15:11:18,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:11:18,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-06 15:11:18,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2021-06-06 15:11:18,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:11:18,336 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:11:18,336 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:11:18,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 15:11:18,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:11:18,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:11:18,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:11:18,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:11:18,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:11:18,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:11:18,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 15:11:18,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 15:11:18,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:11:18,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:11:18,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:11:18,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 15:11:18,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:11:18,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:11:18,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:11:18,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:11:18,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:11:18,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:11:18,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 15:11:18,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 15:11:18,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:11:18,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:11:18,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:11:18,736 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable687,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:11:18,737 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:11:18,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:11:18,737 INFO L82 PathProgramCache]: Analyzing trace with hash -448597771, now seen corresponding path program 11 times [2021-06-06 15:11:18,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:11:18,737 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653617232] [2021-06-06 15:11:18,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:11:18,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:11:18,840 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:11:18,840 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:11:18,840 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653617232] [2021-06-06 15:11:18,840 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653617232] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:11:18,840 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078088551] [2021-06-06 15:11:18,840 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:11:18,869 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-06-06 15:11:18,869 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:11:18,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 39 conjunts are in the unsatisfiable core [2021-06-06 15:11:18,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:11:19,488 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-06-06 15:11:19,489 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 15:11:19,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 23 new quantified variables, introduced 66 case distinctions, treesize of input 55 treesize of output 568 [2021-06-06 15:11:20,635 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 553 DAG size of output: 343 [2021-06-06 15:11:20,849 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 582 DAG size of output: 372 [2021-06-06 15:11:21,897 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 337 [2021-06-06 15:11:22,065 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 364 [2021-06-06 15:11:22,467 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 1033 DAG size of output: 619 [2021-06-06 15:11:22,954 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 1043 DAG size of output: 624 [2021-06-06 15:11:24,122 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 529 DAG size of output: 527 [2021-06-06 15:11:24,899 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 314 [2021-06-06 15:11:25,332 WARN L205 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 945 DAG size of output: 745 [2021-06-06 15:11:25,773 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 969 DAG size of output: 769 [2021-06-06 15:11:26,644 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 519 DAG size of output: 322 [2021-06-06 15:11:27,879 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 534 [2021-06-06 15:11:28,257 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 752 [2021-06-06 15:11:28,732 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 980 DAG size of output: 778 [2021-06-06 15:11:29,738 WARN L205 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 1815 DAG size of output: 1411 [2021-06-06 15:11:30,964 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 1825 DAG size of output: 1419 [2021-06-06 15:11:32,963 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 2733 DAG size of output: 1906 [2021-06-06 15:11:35,285 WARN L205 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 2763 DAG size of output: 1936 [2021-06-06 15:11:37,977 WARN L205 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 2790 DAG size of output: 1963 [2021-06-06 15:11:41,038 WARN L205 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 2801 DAG size of output: 1974 [2021-06-06 15:11:44,505 WARN L205 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 2827 DAG size of output: 1998 [2021-06-06 15:11:47,971 WARN L205 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 2827 DAG size of output: 1998 [2021-06-06 15:11:51,865 WARN L205 SmtUtils]: Spent 3.88 s on a formula simplification. DAG size of input: 2840 DAG size of output: 2011 [2021-06-06 15:11:52,983 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 2013 DAG size of output: 2150 [2021-06-06 15:11:56,053 WARN L205 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 2008 DAG size of output: 2005 [2021-06-06 15:11:58,214 WARN L205 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 2002 DAG size of output: 2347 [2021-06-06 15:12:02,622 WARN L205 SmtUtils]: Spent 4.39 s on a formula simplification. DAG size of input: 1999 DAG size of output: 2441 [2021-06-06 15:12:04,036 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1995 DAG size of output: 2001 [2021-06-06 15:12:07,107 WARN L205 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 1992 DAG size of output: 2011 [2021-06-06 15:12:07,411 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 1989 DAG size of output: 1989 [2021-06-06 15:12:07,553 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 1984 [2021-06-06 15:12:07,818 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 1962 DAG size of output: 1962 [2021-06-06 15:12:11,150 WARN L205 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 1953 DAG size of output: 2305 [2021-06-06 15:12:11,283 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 1076 DAG size of output: 1076 [2021-06-06 15:12:11,412 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 1053 DAG size of output: 1053 [2021-06-06 15:12:11,602 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 1031 DAG size of output: 1031 [2021-06-06 15:12:13,598 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 1409 DAG size of output: 575 [2021-06-06 15:12:14,098 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 1420 DAG size of output: 584 [2021-06-06 15:12:15,049 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 1603 DAG size of output: 662 [2021-06-06 15:12:15,688 WARN L205 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 1620 DAG size of output: 679 [2021-06-06 15:12:16,461 WARN L205 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 1680 DAG size of output: 746 [2021-06-06 15:12:17,400 WARN L205 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 1709 DAG size of output: 769 [2021-06-06 15:12:19,253 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 2355 DAG size of output: 1207 [2021-06-06 15:12:21,668 WARN L205 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 2852 DAG size of output: 1424 [2021-06-06 15:12:24,424 WARN L205 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 2858 DAG size of output: 1428 [2021-06-06 15:12:27,848 WARN L205 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 3044 DAG size of output: 1578 [2021-06-06 15:12:31,278 WARN L205 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 3044 DAG size of output: 1578 [2021-06-06 15:12:35,222 WARN L205 SmtUtils]: Spent 3.94 s on a formula simplification. DAG size of input: 3055 DAG size of output: 1590 [2021-06-06 15:12:35,357 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 1583 [2021-06-06 15:12:38,488 WARN L205 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 1585 DAG size of output: 1658 [2021-06-06 15:12:41,562 WARN L205 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 1565 DAG size of output: 1614 [2021-06-06 15:12:42,001 WARN L205 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 1531 DAG size of output: 1526 [2021-06-06 15:12:44,356 WARN L205 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 1390 DAG size of output: 1324 [2021-06-06 15:12:46,513 WARN L205 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 1321 DAG size of output: 1007 [2021-06-06 15:12:46,833 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 269 [2021-06-06 15:12:47,824 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 234 [2021-06-06 15:12:48,057 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 377 [2021-06-06 15:12:48,276 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 400 [2021-06-06 15:12:48,467 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 327 [2021-06-06 15:12:49,065 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 581 DAG size of output: 288 [2021-06-06 15:12:49,842 WARN L205 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 1111 DAG size of output: 701 [2021-06-06 15:12:50,747 WARN L205 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 1123 DAG size of output: 715 [2021-06-06 15:12:51,410 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 232 [2021-06-06 15:12:51,584 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 273 [2021-06-06 15:12:51,831 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 240 [2021-06-06 15:12:52,207 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 216 [2021-06-06 15:12:52,674 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 234 [2021-06-06 15:12:52,849 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 237 [2021-06-06 15:12:53,076 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-06-06 15:12:53,459 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 398 [2021-06-06 15:12:53,840 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 398 [2021-06-06 15:12:54,399 WARN L205 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 694 DAG size of output: 545 [2021-06-06 15:12:55,984 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 1691 DAG size of output: 1148 [2021-06-06 15:12:57,964 WARN L205 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 1798 DAG size of output: 1244 [2021-06-06 15:13:00,379 WARN L205 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 1926 DAG size of output: 1352 [2021-06-06 15:13:02,797 WARN L205 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 1926 DAG size of output: 1352 [2021-06-06 15:13:06,699 WARN L205 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 1937 DAG size of output: 1305 [2021-06-06 15:13:08,184 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1223 DAG size of output: 1120 [2021-06-06 15:13:09,979 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 1012 DAG size of output: 906 [2021-06-06 15:13:10,640 WARN L205 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 899 DAG size of output: 860 [2021-06-06 15:13:11,910 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 763 DAG size of output: 845 [2021-06-06 15:13:12,204 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 202 [2021-06-06 15:13:12,743 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 253 [2021-06-06 15:13:12,988 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 250 [2021-06-06 15:13:13,354 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2021-06-06 15:13:13,490 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 172 [2021-06-06 15:13:14,279 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 284 [2021-06-06 15:13:14,511 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 649 DAG size of output: 328 [2021-06-06 15:13:14,616 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 227 [2021-06-06 15:13:15,319 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 164 [2021-06-06 15:13:15,539 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 282 [2021-06-06 15:13:16,119 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 858 DAG size of output: 535 [2021-06-06 15:13:16,811 WARN L205 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 866 DAG size of output: 542 [2021-06-06 15:13:16,988 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 279 [2021-06-06 15:13:18,661 WARN L205 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 1020 DAG size of output: 630 [2021-06-06 15:13:19,919 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1153 DAG size of output: 730 [2021-06-06 15:13:21,175 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1153 DAG size of output: 730 [2021-06-06 15:13:22,543 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1155 DAG size of output: 732 [2021-06-06 15:13:23,922 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 729 DAG size of output: 729 [2021-06-06 15:13:24,304 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 439 DAG size of output: 292 [2021-06-06 15:13:25,186 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 420 [2021-06-06 15:13:25,362 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 258 [2021-06-06 15:13:25,475 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 233 [2021-06-06 15:13:26,704 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 593 DAG size of output: 281 [2021-06-06 15:13:26,872 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 593 DAG size of output: 281 [2021-06-06 15:13:27,214 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 598 DAG size of output: 346 [2021-06-06 15:13:27,600 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 225 [2021-06-06 15:13:27,710 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 229 [2021-06-06 15:13:28,271 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 198 [2021-06-06 15:13:28,472 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 286 [2021-06-06 15:13:28,677 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 286 [2021-06-06 15:13:28,902 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 292 [2021-06-06 15:13:29,157 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 334 [2021-06-06 15:13:29,367 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 343 [2021-06-06 15:13:29,574 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 318 [2021-06-06 15:13:29,716 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 266 [2021-06-06 15:13:29,834 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 249 [2021-06-06 15:13:30,259 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 239 [2021-06-06 15:13:30,362 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 239 [2021-06-06 15:13:30,470 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 239 [2021-06-06 15:13:30,587 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 257 [2021-06-06 15:13:30,773 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:13:30,775 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 15:13:30,775 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:13:30,775 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:3 [2021-06-06 15:13:30,779 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:13:30,779 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078088551] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:13:30,779 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:13:30,779 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 18] total 30 [2021-06-06 15:13:30,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421614829] [2021-06-06 15:13:30,780 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-06 15:13:30,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:13:30,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-06 15:13:30,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=855, Unknown=0, NotChecked=0, Total=930 [2021-06-06 15:13:30,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:13:30,780 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:13:30,780 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.4838709677419355) internal successors, (46), 30 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:13:30,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 15:13:30,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:13:30,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:13:30,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:13:30,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:13:30,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:13:30,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:13:30,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 15:13:30,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 15:13:30,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:13:30,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:13:30,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:13:30,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:13:30,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 15:13:30,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:13:30,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:13:30,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:13:30,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:13:30,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:13:30,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:13:30,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 15:13:30,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 15:13:30,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:13:30,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:13:30,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:13:30,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 15:13:31,132 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable688 [2021-06-06 15:13:31,132 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:13:31,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:13:31,132 INFO L82 PathProgramCache]: Analyzing trace with hash 2077616917, now seen corresponding path program 12 times [2021-06-06 15:13:31,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:13:31,133 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313505158] [2021-06-06 15:13:31,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:13:31,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:13:31,300 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 91 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:13:31,300 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:13:31,300 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313505158] [2021-06-06 15:13:31,300 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313505158] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:13:31,300 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1240707783] [2021-06-06 15:13:31,300 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:13:31,336 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-06-06 15:13:31,336 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:13:31,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-06 15:13:31,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:13:31,406 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 105 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:13:31,406 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1240707783] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:13:31,406 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:13:31,406 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 22 [2021-06-06 15:13:31,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361313334] [2021-06-06 15:13:31,406 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-06 15:13:31,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:13:31,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-06 15:13:31,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=347, Unknown=0, NotChecked=0, Total=506 [2021-06-06 15:13:31,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:13:31,407 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:13:31,407 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 22 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:13:31,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 15:13:31,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:13:31,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:13:31,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:13:31,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:13:31,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:13:31,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:13:31,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 15:13:31,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 15:13:31,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:13:31,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:13:31,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:13:31,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 15:13:31,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:13:31,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 15:13:31,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:13:31,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:13:31,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:13:31,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:13:31,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 15:13:31,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:13:31,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 15:13:31,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 15:13:31,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:13:31,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:13:31,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 15:13:31,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 15:13:31,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 15:13:31,840 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3716,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:13:31,841 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:13:31,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:13:31,841 INFO L82 PathProgramCache]: Analyzing trace with hash -17656588, now seen corresponding path program 13 times [2021-06-06 15:13:31,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:13:31,841 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811085866] [2021-06-06 15:13:31,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:13:31,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:13:31,995 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:13:31,996 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:13:31,996 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811085866] [2021-06-06 15:13:31,996 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811085866] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:13:31,996 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284351200] [2021-06-06 15:13:31,996 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:13:32,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:13:32,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 47 conjunts are in the unsatisfiable core [2021-06-06 15:13:32,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:13:33,199 WARN L205 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 451 [2021-06-06 15:13:33,200 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 15:13:33,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 29 new quantified variables, introduced 105 case distinctions, treesize of input 67 treesize of output 889 [2021-06-06 15:13:34,891 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 301 [2021-06-06 15:13:35,121 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 336 [2021-06-06 15:13:36,686 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 298 [2021-06-06 15:13:36,913 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 331 [2021-06-06 15:13:37,404 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 469 [2021-06-06 15:13:38,326 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 292 [2021-06-06 15:13:39,257 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 369 [2021-06-06 15:13:39,568 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 443 DAG size of output: 397 [2021-06-06 15:13:41,222 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 301 [2021-06-06 15:13:41,481 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 371 [2021-06-06 15:13:41,793 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 401 [2021-06-06 15:13:42,478 WARN L205 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 573 [2021-06-06 15:13:43,816 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1029 DAG size of output: 813 [2021-06-06 15:13:45,379 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 1064 DAG size of output: 848 [2021-06-06 15:13:46,968 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 312 [2021-06-06 15:13:47,204 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 345 [2021-06-06 15:13:48,862 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 309 [2021-06-06 15:13:49,143 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 393 [2021-06-06 15:13:49,493 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 421 [2021-06-06 15:13:50,149 WARN L205 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 554 [2021-06-06 15:13:51,508 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 297 [2021-06-06 15:13:51,727 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 363 [2021-06-06 15:13:52,003 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 426 DAG size of output: 407 [2021-06-06 15:13:53,489 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 278 [2021-06-06 15:13:53,726 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 344 [2021-06-06 15:13:54,003 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 426 DAG size of output: 388 [2021-06-06 15:13:54,639 WARN L205 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 628 DAG size of output: 563 [2021-06-06 15:13:56,121 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1039 DAG size of output: 880 [2021-06-06 15:13:59,443 WARN L205 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 1848 DAG size of output: 1480 [2021-06-06 15:14:03,307 WARN L205 SmtUtils]: Spent 3.85 s on a formula simplification. DAG size of input: 1883 DAG size of output: 1513 [2021-06-06 15:14:07,766 WARN L205 SmtUtils]: Spent 4.45 s on a formula simplification. DAG size of input: 1917 DAG size of output: 1547 [2021-06-06 15:14:09,185 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 312 [2021-06-06 15:14:09,386 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 341 [2021-06-06 15:14:10,666 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 266 [2021-06-06 15:14:11,032 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 421 [2021-06-06 15:14:12,224 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 300 [2021-06-06 15:14:12,390 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 346 [2021-06-06 15:14:13,585 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 264 [2021-06-06 15:14:13,732 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 310 [2021-06-06 15:14:14,096 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 444 [2021-06-06 15:14:14,937 WARN L205 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 753 DAG size of output: 651 [2021-06-06 15:14:16,203 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 256 [2021-06-06 15:14:17,431 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 251 [2021-06-06 15:14:17,673 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 337 [2021-06-06 15:14:19,046 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 291 [2021-06-06 15:14:19,230 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 322 [2021-06-06 15:14:20,524 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 286 [2021-06-06 15:14:20,698 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 315 [2021-06-06 15:14:21,084 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 439 [2021-06-06 15:14:21,815 WARN L205 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 725 DAG size of output: 571 [2021-06-06 15:14:22,682 WARN L205 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 609 [2021-06-06 15:14:24,470 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 1284 DAG size of output: 971 [2021-06-06 15:14:26,574 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 1320 DAG size of output: 1005 [2021-06-06 15:14:29,035 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 1357 DAG size of output: 1042 [2021-06-06 15:14:36,753 WARN L205 SmtUtils]: Spent 7.71 s on a formula simplification. DAG size of input: 2959 DAG size of output: 2238 [2021-06-06 15:14:45,507 WARN L205 SmtUtils]: Spent 8.74 s on a formula simplification. DAG size of input: 2993 DAG size of output: 2270 [2021-06-06 15:14:55,202 WARN L205 SmtUtils]: Spent 9.68 s on a formula simplification. DAG size of input: 3024 DAG size of output: 2299 [2021-06-06 15:15:06,108 WARN L205 SmtUtils]: Spent 10.89 s on a formula simplification. DAG size of input: 3054 DAG size of output: 2327 [2021-06-06 15:15:17,003 WARN L205 SmtUtils]: Spent 10.88 s on a formula simplification. DAG size of input: 3054 DAG size of output: 2327 [2021-06-06 15:15:30,086 WARN L205 SmtUtils]: Spent 13.07 s on a formula simplification. DAG size of input: 3079 DAG size of output: 2352 [2021-06-06 15:15:43,170 WARN L205 SmtUtils]: Spent 13.07 s on a formula simplification. DAG size of input: 2354 DAG size of output: 2363 [2021-06-06 15:16:19,112 WARN L205 SmtUtils]: Spent 35.92 s on a formula simplification. DAG size of input: 2345 DAG size of output: 3486 [2021-06-06 15:16:37,786 WARN L205 SmtUtils]: Spent 18.65 s on a formula simplification. DAG size of input: 2122 DAG size of output: 3082 [2021-06-06 15:16:58,166 WARN L205 SmtUtils]: Spent 20.36 s on a formula simplification. DAG size of input: 2118 DAG size of output: 3300 [2021-06-06 15:17:16,145 WARN L205 SmtUtils]: Spent 17.96 s on a formula simplification. DAG size of input: 2112 DAG size of output: 2949 [2021-06-06 15:17:16,514 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 2104 [2021-06-06 15:17:44,107 WARN L205 SmtUtils]: Spent 27.58 s on a formula simplification. DAG size of input: 2076 DAG size of output: 2858 [2021-06-06 15:18:00,865 WARN L205 SmtUtils]: Spent 16.74 s on a formula simplification. DAG size of input: 1979 DAG size of output: 2740 [2021-06-06 15:18:16,696 WARN L205 SmtUtils]: Spent 15.81 s on a formula simplification. DAG size of input: 1958 DAG size of output: 2444 [2021-06-06 15:18:32,362 WARN L205 SmtUtils]: Spent 15.65 s on a formula simplification. DAG size of input: 1938 DAG size of output: 2763 [2021-06-06 15:18:39,679 WARN L205 SmtUtils]: Spent 7.30 s on a formula simplification. DAG size of input: 1930 DAG size of output: 1839 [2021-06-06 15:18:40,189 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 1812 [2021-06-06 15:18:40,799 WARN L205 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 1782 DAG size of output: 1782 [2021-06-06 15:18:41,191 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 1268 DAG size of output: 1268 [2021-06-06 15:18:46,625 WARN L205 SmtUtils]: Spent 5.23 s on a formula simplification. DAG size of input: 1237 DAG size of output: 2125 [2021-06-06 15:18:47,000 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 1231 DAG size of output: 1231 [2021-06-06 15:18:51,237 WARN L205 SmtUtils]: Spent 4.20 s on a formula simplification. DAG size of input: 1203 DAG size of output: 2086 [2021-06-06 15:18:55,738 WARN L205 SmtUtils]: Spent 4.49 s on a formula simplification. DAG size of input: 1198 DAG size of output: 1515 [2021-06-06 15:19:00,495 WARN L205 SmtUtils]: Spent 4.74 s on a formula simplification. DAG size of input: 1194 DAG size of output: 1508 [2021-06-06 15:19:00,833 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 1002 DAG size of output: 1002 [2021-06-06 15:19:01,968 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 622 DAG size of output: 710 [2021-06-06 15:19:03,525 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 620 DAG size of output: 971 [2021-06-06 15:19:05,018 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 619 DAG size of output: 814 [2021-06-06 15:19:05,178 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 614 [2021-06-06 15:19:06,496 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 318 [2021-06-06 15:19:07,260 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 261 [2021-06-06 15:19:07,945 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 281 [2021-06-06 15:19:08,208 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 374 [2021-06-06 15:19:08,748 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 715 DAG size of output: 519 [2021-06-06 15:19:09,703 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 255 [2021-06-06 15:19:10,570 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 424 DAG size of output: 321 [2021-06-06 15:19:11,465 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 226 [2021-06-06 15:19:11,610 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 263 [2021-06-06 15:19:12,390 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 244 [2021-06-06 15:19:12,532 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 282 [2021-06-06 15:19:12,857 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 376 [2021-06-06 15:19:13,515 WARN L205 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 733 DAG size of output: 524 [2021-06-06 15:19:14,850 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 997 DAG size of output: 720 [2021-06-06 15:19:15,486 WARN L205 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 435 [2021-06-06 15:19:16,756 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 312 [2021-06-06 15:19:18,092 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 258 [2021-06-06 15:19:18,220 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 263 [2021-06-06 15:19:18,452 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 323 [2021-06-06 15:19:18,910 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 425 [2021-06-06 15:19:19,245 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 303 [2021-06-06 15:19:20,534 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 225 [2021-06-06 15:19:20,738 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 294 [2021-06-06 15:19:21,008 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 332 [2021-06-06 15:19:22,255 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 272 [2021-06-06 15:19:22,465 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 311 [2021-06-06 15:19:23,025 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 464 [2021-06-06 15:19:24,210 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 959 DAG size of output: 697 [2021-06-06 15:19:26,758 WARN L205 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 1720 DAG size of output: 1194 [2021-06-06 15:19:26,923 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 606 [2021-06-06 15:19:27,323 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 349 [2021-06-06 15:19:28,638 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 312 [2021-06-06 15:19:28,907 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 316 [2021-06-06 15:19:29,621 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 252 [2021-06-06 15:19:30,277 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 317 [2021-06-06 15:19:30,693 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 470 [2021-06-06 15:19:31,198 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 596 DAG size of output: 477 [2021-06-06 15:19:32,367 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 288 [2021-06-06 15:19:33,173 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 314 [2021-06-06 15:19:33,437 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 319 [2021-06-06 15:19:34,239 WARN L205 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 832 DAG size of output: 587 [2021-06-06 15:19:35,791 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 291 [2021-06-06 15:19:35,920 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 267 [2021-06-06 15:19:36,035 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 239 [2021-06-06 15:19:36,750 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 250 [2021-06-06 15:19:37,506 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 333 [2021-06-06 15:19:37,924 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 436 [2021-06-06 15:19:38,456 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 460 [2021-06-06 15:19:38,684 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 253 [2021-06-06 15:19:39,311 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 229 [2021-06-06 15:19:39,989 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 248 [2021-06-06 15:19:40,209 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 336 [2021-06-06 15:19:40,461 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 342 [2021-06-06 15:19:41,374 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 481 DAG size of output: 343 [2021-06-06 15:19:41,744 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 367 [2021-06-06 15:19:42,722 WARN L205 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 833 DAG size of output: 618 [2021-06-06 15:19:44,816 WARN L205 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 1424 DAG size of output: 997 [2021-06-06 15:19:50,016 WARN L205 SmtUtils]: Spent 5.19 s on a formula simplification. DAG size of input: 2319 DAG size of output: 1544 [2021-06-06 15:19:50,182 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 545 DAG size of output: 545 [2021-06-06 15:19:51,429 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 224 [2021-06-06 15:19:52,908 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 228 [2021-06-06 15:19:53,156 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 287 [2021-06-06 15:19:53,505 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 338 [2021-06-06 15:19:55,759 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 227 [2021-06-06 15:19:55,984 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 266 [2021-06-06 15:19:56,274 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 347 [2021-06-06 15:19:56,995 WARN L205 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 698 DAG size of output: 504 [2021-06-06 15:19:57,315 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 339 [2021-06-06 15:19:58,507 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 231 [2021-06-06 15:19:59,575 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 235 [2021-06-06 15:19:59,847 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 322 [2021-06-06 15:20:00,638 WARN L205 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 447 [2021-06-06 15:20:02,406 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 222 [2021-06-06 15:20:02,646 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 306 [2021-06-06 15:20:02,893 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 230 [2021-06-06 15:20:03,909 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 244 [2021-06-06 15:20:04,774 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 222 [2021-06-06 15:20:05,081 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 340 [2021-06-06 15:20:05,673 WARN L205 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 672 DAG size of output: 474 [2021-06-06 15:20:06,761 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 786 DAG size of output: 562 [2021-06-06 15:20:08,788 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 1315 DAG size of output: 893 [2021-06-06 15:20:17,193 WARN L205 SmtUtils]: Spent 8.40 s on a formula simplification. DAG size of input: 3402 DAG size of output: 2219 [2021-06-06 15:20:29,366 WARN L205 SmtUtils]: Spent 12.16 s on a formula simplification. DAG size of input: 4261 DAG size of output: 3009 [2021-06-06 15:20:45,976 WARN L205 SmtUtils]: Spent 16.59 s on a formula simplification. DAG size of input: 5206 DAG size of output: 3925 [2021-06-06 15:21:07,177 WARN L205 SmtUtils]: Spent 21.17 s on a formula simplification. DAG size of input: 6147 DAG size of output: 4510 [2021-06-06 15:21:31,119 WARN L205 SmtUtils]: Spent 23.91 s on a formula simplification. DAG size of input: 6182 DAG size of output: 4546 [2021-06-06 15:21:31,488 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 1227 DAG size of output: 1227 [2021-06-06 15:21:31,813 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 1198 DAG size of output: 1198 [2021-06-06 15:21:33,280 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 657 DAG size of output: 806 [2021-06-06 15:21:33,556 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 249 [2021-06-06 15:21:34,372 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 325 [2021-06-06 15:21:35,316 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 386 [2021-06-06 15:21:35,651 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 326 [2021-06-06 15:21:37,331 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 285 [2021-06-06 15:21:37,478 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 283 [2021-06-06 15:21:37,831 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 408 [2021-06-06 15:21:38,577 WARN L205 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 561 [2021-06-06 15:21:38,848 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 250 [2021-06-06 15:21:39,008 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 227 [2021-06-06 15:21:39,819 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 255 [2021-06-06 15:21:39,973 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 224 [2021-06-06 15:21:40,823 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 221 [2021-06-06 15:21:41,729 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 287 [2021-06-06 15:21:42,053 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 329 [2021-06-06 15:21:42,584 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 430 [2021-06-06 15:21:43,988 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 310 [2021-06-06 15:21:44,884 WARN L205 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 619 DAG size of output: 546 [2021-06-06 15:21:46,824 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 1092 DAG size of output: 916 [2021-06-06 15:21:49,986 WARN L205 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 1323 DAG size of output: 1268 [2021-06-06 15:21:51,988 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 714 DAG size of output: 881 [2021-06-06 15:21:53,222 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 291 [2021-06-06 15:21:53,888 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 328 [2021-06-06 15:21:54,135 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 334 [2021-06-06 15:21:54,568 WARN L205 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 345 [2021-06-06 15:21:54,857 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 324 [2021-06-06 15:21:55,158 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 354 [2021-06-06 15:21:55,451 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 321 [2021-06-06 15:21:56,661 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 257 [2021-06-06 15:21:56,918 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 309 [2021-06-06 15:21:57,869 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 258 [2021-06-06 15:21:58,047 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 264 [2021-06-06 15:21:58,444 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 382 [2021-06-06 15:21:58,754 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 347 [2021-06-06 15:21:58,999 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 314 [2021-06-06 15:21:59,965 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 253 [2021-06-06 15:22:00,773 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 348 [2021-06-06 15:22:01,065 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 354 [2021-06-06 15:22:01,840 WARN L205 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 436 [2021-06-06 15:22:03,028 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 693 DAG size of output: 573 [2021-06-06 15:22:04,471 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 888 DAG size of output: 695 [2021-06-06 15:22:05,601 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 304 [2021-06-06 15:22:06,694 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 378 [2021-06-06 15:22:07,005 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 393 [2021-06-06 15:22:07,329 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 364 [2021-06-06 15:22:07,438 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 294 [2021-06-06 15:22:07,735 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 382 [2021-06-06 15:22:07,996 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 301 [2021-06-06 15:22:09,123 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 230 [2021-06-06 15:22:09,304 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 272 [2021-06-06 15:22:09,588 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 345 [2021-06-06 15:22:11,044 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 278 [2021-06-06 15:22:11,442 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 400 [2021-06-06 15:22:12,896 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 237 [2021-06-06 15:22:13,059 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 242 [2021-06-06 15:22:13,203 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 247 [2021-06-06 15:22:13,382 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 277 [2021-06-06 15:22:14,061 WARN L205 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 474 [2021-06-06 15:22:15,006 WARN L205 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 677 DAG size of output: 599 [2021-06-06 15:22:16,490 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 914 DAG size of output: 805 [2021-06-06 15:22:19,740 WARN L205 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 1578 DAG size of output: 1173 [2021-06-06 15:22:24,519 WARN L205 SmtUtils]: Spent 4.77 s on a formula simplification. DAG size of input: 1866 DAG size of output: 1552 [2021-06-06 15:22:33,859 WARN L205 SmtUtils]: Spent 9.29 s on a formula simplification. DAG size of input: 2940 DAG size of output: 2588 [2021-06-06 15:22:44,470 WARN L205 SmtUtils]: Spent 10.57 s on a formula simplification. DAG size of input: 2968 DAG size of output: 2618 [2021-06-06 15:23:23,809 WARN L205 SmtUtils]: Spent 39.32 s on a formula simplification. DAG size of input: 8402 DAG size of output: 6273 [2021-06-06 15:24:08,073 WARN L205 SmtUtils]: Spent 44.22 s on a formula simplification. DAG size of input: 8492 DAG size of output: 6351 [2021-06-06 15:24:08,300 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 763 [2021-06-06 15:24:08,501 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 731 DAG size of output: 731 [2021-06-06 15:24:10,599 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 702 DAG size of output: 1025 [2021-06-06 15:24:12,143 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 698 DAG size of output: 914 [2021-06-06 15:24:12,325 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 692 DAG size of output: 692 [2021-06-06 15:24:12,720 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 325 [2021-06-06 15:24:13,004 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 316 [2021-06-06 15:24:14,667 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 202 [2021-06-06 15:24:14,859 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 206 [2021-06-06 15:24:15,668 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 237 [2021-06-06 15:24:16,011 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 344 [2021-06-06 15:24:16,613 WARN L205 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 482 [2021-06-06 15:24:17,059 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 386 [2021-06-06 15:24:17,361 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 329 [2021-06-06 15:24:19,576 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 232 [2021-06-06 15:24:19,794 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 286 [2021-06-06 15:24:20,069 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 327 [2021-06-06 15:24:22,225 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 360 [2021-06-06 15:24:22,928 WARN L205 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 484 [2021-06-06 15:24:23,985 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 704 DAG size of output: 629 [2021-06-06 15:24:25,911 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 1009 DAG size of output: 898 [2021-06-06 15:24:27,711 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 249 [2021-06-06 15:24:27,962 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 327 [2021-06-06 15:24:29,015 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 298 [2021-06-06 15:24:29,545 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 468 [2021-06-06 15:24:29,891 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 359 [2021-06-06 15:24:30,132 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 317 [2021-06-06 15:24:30,358 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 316 [2021-06-06 15:24:32,256 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 193 [2021-06-06 15:24:32,738 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 213 [2021-06-06 15:24:32,952 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 290 [2021-06-06 15:24:33,265 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 374 [2021-06-06 15:24:33,574 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 372 [2021-06-06 15:24:35,024 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 262 [2021-06-06 15:24:36,314 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 471 DAG size of output: 306 [2021-06-06 15:24:36,940 WARN L205 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 391 [2021-06-06 15:24:37,944 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 750 DAG size of output: 516 [2021-06-06 15:24:39,373 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 870 DAG size of output: 675 [2021-06-06 15:24:41,640 WARN L205 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 1157 DAG size of output: 948 [2021-06-06 15:24:46,601 WARN L205 SmtUtils]: Spent 4.95 s on a formula simplification. DAG size of input: 1924 DAG size of output: 1646 [2021-06-06 15:24:53,188 WARN L205 SmtUtils]: Spent 6.58 s on a formula simplification. DAG size of input: 2158 DAG size of output: 1979 [2021-06-06 15:24:55,409 WARN L205 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 696 DAG size of output: 953 [2021-06-06 15:24:57,183 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 692 DAG size of output: 825 [2021-06-06 15:24:58,452 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 689 DAG size of output: 822 [2021-06-06 15:24:59,468 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 687 DAG size of output: 806 [2021-06-06 15:24:59,651 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 655 DAG size of output: 655 [2021-06-06 15:25:01,291 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 293 [2021-06-06 15:25:02,679 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 239 [2021-06-06 15:25:03,024 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 383 [2021-06-06 15:25:03,271 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 308 [2021-06-06 15:25:04,415 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 225 [2021-06-06 15:25:04,747 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 372 [2021-06-06 15:25:06,202 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 254 [2021-06-06 15:25:06,553 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 378 [2021-06-06 15:25:07,427 WARN L205 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 881 DAG size of output: 639 [2021-06-06 15:25:08,974 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 685 DAG size of output: 1005 [2021-06-06 15:25:09,151 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 682 [2021-06-06 15:25:10,680 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 299 [2021-06-06 15:25:12,570 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 324 [2021-06-06 15:25:13,013 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 673 DAG size of output: 486 [2021-06-06 15:25:13,182 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 681 DAG size of output: 681 [2021-06-06 15:25:14,447 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 299 [2021-06-06 15:25:16,065 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 316 [2021-06-06 15:25:16,516 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 672 DAG size of output: 486 [2021-06-06 15:25:17,549 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 966 DAG size of output: 640 [2021-06-06 15:25:19,704 WARN L205 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 1382 DAG size of output: 835 [2021-06-06 15:25:19,891 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 655 DAG size of output: 655 [2021-06-06 15:25:21,946 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 197 [2021-06-06 15:25:22,596 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 227 [2021-06-06 15:25:22,768 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 257 [2021-06-06 15:25:23,062 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 340 [2021-06-06 15:25:23,398 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 329 [2021-06-06 15:25:24,940 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 259 [2021-06-06 15:25:25,241 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 331 [2021-06-06 15:25:26,746 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 255 [2021-06-06 15:25:27,143 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 359 [2021-06-06 15:25:27,945 WARN L205 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 545 [2021-06-06 15:25:29,842 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 248 [2021-06-06 15:25:31,279 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 186 [2021-06-06 15:25:32,050 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 236 [2021-06-06 15:25:32,429 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 373 [2021-06-06 15:25:33,811 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1037 DAG size of output: 762 [2021-06-06 15:25:37,805 WARN L205 SmtUtils]: Spent 3.99 s on a formula simplification. DAG size of input: 1939 DAG size of output: 1117 Received shutdown request... [2021-06-06 15:25:43,622 WARN L205 SmtUtils]: Spent 5.81 s on a formula simplification. DAG size of input: 2267 DAG size of output: 1472 [2021-06-06 15:25:43,838 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3717 [2021-06-06 15:25:43,838 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-06 15:25:43,843 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 15:25:43,844 WARN L196 ceAbstractionStarter]: Timeout [2021-06-06 15:25:43,844 INFO L202 PluginConnector]: Adding new model unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 03:25:43 BasicIcfg [2021-06-06 15:25:43,844 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 15:25:43,845 INFO L168 Benchmark]: Toolchain (without parser) took 877557.55 ms. Allocated memory was 358.6 MB in the beginning and 1.6 GB in the end (delta: 1.2 GB). Free memory was 337.5 MB in the beginning and 740.8 MB in the end (delta: -403.3 MB). Peak memory consumption was 978.3 MB. Max. memory is 16.0 GB. [2021-06-06 15:25:43,845 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 358.6 MB. Free memory is still 338.5 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 15:25:43,845 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.84 ms. Allocated memory is still 358.6 MB. Free memory was 337.4 MB in the beginning and 335.9 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 15:25:43,845 INFO L168 Benchmark]: Boogie Preprocessor took 9.83 ms. Allocated memory is still 358.6 MB. Free memory was 335.9 MB in the beginning and 335.0 MB in the end (delta: 892.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 15:25:43,845 INFO L168 Benchmark]: RCFGBuilder took 268.52 ms. Allocated memory is still 358.6 MB. Free memory was 334.9 MB in the beginning and 320.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-06-06 15:25:43,845 INFO L168 Benchmark]: TraceAbstraction took 877254.47 ms. Allocated memory was 358.6 MB in the beginning and 1.6 GB in the end (delta: 1.2 GB). Free memory was 319.7 MB in the beginning and 740.8 MB in the end (delta: -421.1 MB). Peak memory consumption was 959.4 MB. Max. memory is 16.0 GB. [2021-06-06 15:25:43,845 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 358.6 MB. Free memory is still 338.5 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 19.84 ms. Allocated memory is still 358.6 MB. Free memory was 337.4 MB in the beginning and 335.9 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 9.83 ms. Allocated memory is still 358.6 MB. Free memory was 335.9 MB in the beginning and 335.0 MB in the end (delta: 892.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 268.52 ms. Allocated memory is still 358.6 MB. Free memory was 334.9 MB in the beginning and 320.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 877254.47 ms. Allocated memory was 358.6 MB in the beginning and 1.6 GB in the end (delta: 1.2 GB). Free memory was 319.7 MB in the beginning and 740.8 MB in the end (delta: -421.1 MB). Peak memory consumption was 959.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 641, positive: 420, positive conditional: 420, positive unconditional: 0, negative: 221, negative conditional: 221, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 420, positive: 420, positive conditional: 420, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 420, positive: 420, positive conditional: 0, positive unconditional: 420, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 420, positive: 412, positive conditional: 0, positive unconditional: 412, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 221 - TimeoutResultAtElement [Line: 55]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 30 with TraceHistMax 15,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 20 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 877197.0ms, OverallIterations: 15, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6.2ms, PartialOrderReductionTime: 1275.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 145, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 76.6ms SsaConstructionTime, 208.2ms SatisfiabilityAnalysisTime, 140480.3ms InterpolantComputationTime, 467 NumberOfCodeBlocks, 467 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 440 ConstructedInterpolants, 0 QuantifiedInterpolants, 3104 SizeOfPredicates, 16 NumberOfNonLiveVariables, 898 ConjunctsInSsa, 209 ConjunctsInUnsatCore, 27 InterpolantComputations, 1 PerfectInterpolantSequences, 400/992 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown