/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 11:36:51,329 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 11:36:51,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 11:36:51,371 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-06 11:36:51,372 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-06 11:36:51,375 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-06 11:36:51,378 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-06 11:36:51,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-06 11:36:51,388 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-06 11:36:51,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-06 11:36:51,389 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-06 11:36:51,390 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-06 11:36:51,391 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 11:36:51,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 11:36:51,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 11:36:51,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 11:36:51,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 11:36:51,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 11:36:51,396 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 11:36:51,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 11:36:51,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 11:36:51,400 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 11:36:51,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 11:36:51,401 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 11:36:51,404 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-06 11:36:51,404 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-06 11:36:51,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-06 11:36:51,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-06 11:36:51,405 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-06 11:36:51,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-06 11:36:51,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-06 11:36:51,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-06 11:36:51,407 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-06 11:36:51,408 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-06 11:36:51,409 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-06 11:36:51,409 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-06 11:36:51,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-06 11:36:51,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-06 11:36:51,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 11:36:51,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 11:36:51,411 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 11:36:51,412 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.epf [2021-06-06 11:36:51,433 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 11:36:51,433 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 11:36:51,433 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 11:36:51,433 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 11:36:51,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 11:36:51,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 11:36:51,435 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 11:36:51,435 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 11:36:51,435 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 11:36:51,435 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 11:36:51,435 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 11:36:51,435 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 11:36:51,435 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 11:36:51,436 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 11:36:51,436 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 11:36:51,436 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 11:36:51,436 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 11:36:51,436 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 11:36:51,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 11:36:51,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 11:36:51,436 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 11:36:51,437 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 11:36:51,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 11:36:51,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 11:36:51,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 11:36:51,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 11:36:51,437 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 11:36:51,437 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 11:36:51,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 11:36:51,438 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 11:36:51,438 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 11:36:51,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 11:36:51,438 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 11:36:51,438 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 11:36:51,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 11:36:51,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 11:36:51,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 11:36:51,726 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 11:36:51,728 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 11:36:51,729 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun-alt.wvr.bpl [2021-06-06 11:36:51,729 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun-alt.wvr.bpl' [2021-06-06 11:36:51,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 11:36:51,755 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 11:36:51,756 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 11:36:51,756 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 11:36:51,756 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 11:36:51,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:36:51" (1/1) ... [2021-06-06 11:36:51,772 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:36:51" (1/1) ... [2021-06-06 11:36:51,777 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 11:36:51,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 11:36:51,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 11:36:51,779 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 11:36:51,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:36:51" (1/1) ... [2021-06-06 11:36:51,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:36:51" (1/1) ... [2021-06-06 11:36:51,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:36:51" (1/1) ... [2021-06-06 11:36:51,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:36:51" (1/1) ... [2021-06-06 11:36:51,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:36:51" (1/1) ... [2021-06-06 11:36:51,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:36:51" (1/1) ... [2021-06-06 11:36:51,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:36:51" (1/1) ... [2021-06-06 11:36:51,793 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 11:36:51,794 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 11:36:51,794 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 11:36:51,794 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 11:36:51,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:36:51" (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 11:36:51,863 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 11:36:51,864 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 11:36:51,864 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 11:36:51,864 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 11:36:51,864 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 11:36:51,864 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 11:36:51,864 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 11:36:51,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 11:36:51,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 11:36:51,865 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 11:36:51,865 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 11:36:51,865 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 11:36:51,866 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 11:36:52,117 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 11:36:52,118 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 11:36:52,119 INFO L202 PluginConnector]: Adding new model max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 11:36:52 BoogieIcfgContainer [2021-06-06 11:36:52,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 11:36:52,121 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 11:36:52,121 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 11:36:52,123 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 11:36:52,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:36:51" (1/2) ... [2021-06-06 11:36:52,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41378fc and model type max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 11:36:52, skipping insertion in model container [2021-06-06 11:36:52,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 11:36:52" (2/2) ... [2021-06-06 11:36:52,125 INFO L111 eAbstractionObserver]: Analyzing ICFG max-fun-alt.wvr.bpl [2021-06-06 11:36:52,140 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 11:36:52,141 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 11:36:52,141 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 11:36:52,142 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 11:36:52,189 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-06 11:36:52,219 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 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 11:36:52,275 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 11:36:52,275 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 11:36:52,275 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 11:36:52,275 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 11:36:52,276 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 11:36:52,276 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 11:36:52,276 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 11:36:52,276 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 11:36:52,353 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:36:52,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:36:52,357 INFO L82 PathProgramCache]: Analyzing trace with hash 1399820781, now seen corresponding path program 1 times [2021-06-06 11:36:52,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:36:52,365 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43691834] [2021-06-06 11:36:52,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:36:52,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:36:52,523 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 11:36:52,524 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:36:52,524 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43691834] [2021-06-06 11:36:52,525 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43691834] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 11:36:52,525 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 11:36:52,525 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 11:36:52,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619222504] [2021-06-06 11:36:52,529 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 11:36:52,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:36:52,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 11:36:52,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 11:36:52,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:36:52,547 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:36:52,553 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 11:36:52,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:36:52,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:36:52,587 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 11:36:52,587 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:36:52,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:36:52,590 INFO L82 PathProgramCache]: Analyzing trace with hash 1882321483, now seen corresponding path program 1 times [2021-06-06 11:36:52,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:36:52,592 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397519966] [2021-06-06 11:36:52,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:36:52,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:36:52,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 11:36:52,655 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:36:52,655 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397519966] [2021-06-06 11:36:52,655 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397519966] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 11:36:52,655 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 11:36:52,655 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 11:36:52,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490439466] [2021-06-06 11:36:52,657 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 11:36:52,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:36:52,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 11:36:52,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 11:36:52,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:36:52,658 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:36:52,658 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 11:36:52,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:36:52,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:36:52,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:36:52,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:36:52,694 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 11:36:52,695 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:36:52,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:36:52,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1166833961, now seen corresponding path program 1 times [2021-06-06 11:36:52,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:36:52,695 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505944964] [2021-06-06 11:36:52,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:36:52,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:36:53,052 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:36:53,053 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:36:53,053 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505944964] [2021-06-06 11:36:53,053 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505944964] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:36:53,053 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82063391] [2021-06-06 11:36:53,053 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 11:36:53,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:36:53,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-06 11:36:53,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:36:53,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-06-06 11:36:53,449 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 11:36:53,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-06-06 11:36:53,454 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 11:36:53,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-06-06 11:36:53,467 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 11:36:53,477 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:36:53,483 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 11:36:53,483 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:91, output treesize:15 [2021-06-06 11:36:53,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:36:53,532 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [82063391] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:36:53,532 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:36:53,532 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-06 11:36:53,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054798561] [2021-06-06 11:36:53,533 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-06 11:36:53,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:36:53,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-06 11:36:53,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-06-06 11:36:53,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:36:53,534 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:36:53,534 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 11 states have internal predecessors, (34), 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 11:36:53,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:36:53,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:36:53,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:36:53,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:36:53,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:36:53,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:36:53,911 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:36:53,911 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:36:53,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:36:53,911 INFO L82 PathProgramCache]: Analyzing trace with hash 2135652999, now seen corresponding path program 2 times [2021-06-06 11:36:53,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:36:53,912 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809106376] [2021-06-06 11:36:53,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:36:53,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:36:53,971 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:36:53,971 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:36:53,971 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809106376] [2021-06-06 11:36:53,971 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809106376] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:36:53,971 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044326634] [2021-06-06 11:36:53,971 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:36:54,003 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 11:36:54,004 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:36:54,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 11:36:54,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:36:54,093 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:36:54,093 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1044326634] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:36:54,093 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:36:54,093 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-06 11:36:54,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131403702] [2021-06-06 11:36:54,094 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-06 11:36:54,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:36:54,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-06 11:36:54,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-06 11:36:54,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:36:54,095 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:36:54,095 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:36:54,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:36:54,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:36:54,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:36:54,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:36:54,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:36:54,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:36:54,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:36:54,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:36:54,469 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:36:54,470 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:36:54,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:36:54,470 INFO L82 PathProgramCache]: Analyzing trace with hash -357408053, now seen corresponding path program 1 times [2021-06-06 11:36:54,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:36:54,470 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165278913] [2021-06-06 11:36:54,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:36:54,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:36:54,557 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 11:36:54,557 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:36:54,557 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165278913] [2021-06-06 11:36:54,557 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165278913] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:36:54,557 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [232789823] [2021-06-06 11:36:54,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:36:54,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:36:54,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 11:36:54,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:36:54,713 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 11:36:54,713 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [232789823] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:36:54,713 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:36:54,713 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-06 11:36:54,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969791422] [2021-06-06 11:36:54,714 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 11:36:54,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:36:54,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 11:36:54,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-06-06 11:36:54,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:36:54,715 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:36:54,715 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 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 11:36:54,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:36:54,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:36:54,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:36:54,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:36:54,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:36:54,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:36:54,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:36:54,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:36:54,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:36:54,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:36:55,036 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:36:55,037 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:36:55,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:36:55,037 INFO L82 PathProgramCache]: Analyzing trace with hash -336173655, now seen corresponding path program 2 times [2021-06-06 11:36:55,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:36:55,037 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141277710] [2021-06-06 11:36:55,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:36:55,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:36:55,606 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2021-06-06 11:36:55,765 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2021-06-06 11:36:55,991 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:36:55,991 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:36:55,991 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141277710] [2021-06-06 11:36:55,994 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141277710] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:36:55,994 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [420919741] [2021-06-06 11:36:55,995 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:36:56,040 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 11:36:56,040 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:36:56,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 37 conjunts are in the unsatisfiable core [2021-06-06 11:36:56,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:36:57,468 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-06-06 11:36:59,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:59,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:59,673 INFO L354 Elim1Store]: treesize reduction 14, result has 68.9 percent of original size [2021-06-06 11:36:59,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 52 [2021-06-06 11:36:59,685 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 11:36:59,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:59,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:59,809 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-06-06 11:36:59,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 48 [2021-06-06 11:36:59,817 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:01,404 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 344 [2021-06-06 11:37:01,404 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:01,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:01,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:01,489 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-06-06 11:37:01,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 37 [2021-06-06 11:37:01,495 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:01,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:01,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:01,588 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 11:37:01,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 50 [2021-06-06 11:37:01,594 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:03,078 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 333 [2021-06-06 11:37:03,078 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:03,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:03,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:03,157 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:03,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 28 treesize of output 60 [2021-06-06 11:37:03,185 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:03,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:03,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:03,261 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-06-06 11:37:03,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 33 treesize of output 31 [2021-06-06 11:37:03,265 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:04,666 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 319 [2021-06-06 11:37:04,666 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:04,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:04,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:04,747 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-06 11:37:04,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 38 [2021-06-06 11:37:04,749 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:04,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:04,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:04,875 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-06 11:37:04,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 50 treesize of output 54 [2021-06-06 11:37:04,891 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:07,667 WARN L205 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 313 DAG size of output: 308 [2021-06-06 11:37:07,669 INFO L628 ElimStorePlain]: treesize reduction 67, result has 96.6 percent of original size [2021-06-06 11:37:07,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:07,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:07,795 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 11:37:07,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 50 [2021-06-06 11:37:07,807 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:07,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:07,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:07,893 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-06 11:37:07,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 38 [2021-06-06 11:37:07,897 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:09,230 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 299 [2021-06-06 11:37:09,230 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:09,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:09,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:09,321 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-06 11:37:09,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 50 treesize of output 42 [2021-06-06 11:37:09,326 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:09,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:09,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:09,373 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-06-06 11:37:09,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 1 [2021-06-06 11:37:09,374 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:10,580 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 287 [2021-06-06 11:37:10,581 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:10,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:10,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:10,658 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-06-06 11:37:10,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 34 [2021-06-06 11:37:10,660 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:10,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:10,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:10,749 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:10,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 66 [2021-06-06 11:37:10,768 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:11,976 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 271 [2021-06-06 11:37:11,977 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:11,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:12,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:12,071 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-06 11:37:12,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 50 treesize of output 42 [2021-06-06 11:37:12,078 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:12,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:12,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:12,123 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-06-06 11:37:12,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 1 [2021-06-06 11:37:12,124 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:14,201 WARN L205 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 261 DAG size of output: 259 [2021-06-06 11:37:14,201 INFO L628 ElimStorePlain]: treesize reduction 13, result has 99.2 percent of original size [2021-06-06 11:37:14,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:14,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:14,283 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 11:37:14,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 50 [2021-06-06 11:37:14,291 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:14,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:14,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:14,342 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-06 11:37:14,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 35 [2021-06-06 11:37:14,352 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:15,344 WARN L205 SmtUtils]: Spent 991.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2021-06-06 11:37:15,345 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:15,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:15,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:15,408 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-06 11:37:15,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 39 treesize of output 39 [2021-06-06 11:37:15,415 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:15,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:15,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:15,455 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-06-06 11:37:15,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 37 treesize of output 1 [2021-06-06 11:37:15,457 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:16,358 WARN L205 SmtUtils]: Spent 901.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2021-06-06 11:37:16,359 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:16,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:16,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:16,444 INFO L354 Elim1Store]: treesize reduction 14, result has 68.9 percent of original size [2021-06-06 11:37:16,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 33 treesize of output 49 [2021-06-06 11:37:16,454 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:16,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:16,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:16,530 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-06-06 11:37:16,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 38 treesize of output 48 [2021-06-06 11:37:16,535 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:17,404 WARN L205 SmtUtils]: Spent 868.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-06-06 11:37:17,405 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:17,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:17,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:17,479 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-06 11:37:17,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 50 treesize of output 42 [2021-06-06 11:37:17,490 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:17,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:17,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:17,537 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-06-06 11:37:17,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 34 [2021-06-06 11:37:17,539 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:19,181 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2021-06-06 11:37:19,182 INFO L628 ElimStorePlain]: treesize reduction 16, result has 98.8 percent of original size [2021-06-06 11:37:19,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:19,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:19,257 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 11:37:19,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 50 [2021-06-06 11:37:19,263 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:19,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:19,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:19,309 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-06-06 11:37:19,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 40 [2021-06-06 11:37:19,318 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:20,081 WARN L205 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2021-06-06 11:37:20,082 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:20,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:20,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:20,146 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 11:37:20,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 50 [2021-06-06 11:37:20,152 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:20,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:20,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:20,197 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-06-06 11:37:20,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 40 [2021-06-06 11:37:20,204 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:21,670 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 185 DAG size of output: 181 [2021-06-06 11:37:21,671 INFO L628 ElimStorePlain]: treesize reduction 17, result has 98.7 percent of original size [2021-06-06 11:37:21,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:21,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:21,736 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-06 11:37:21,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 54 [2021-06-06 11:37:21,761 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:21,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:21,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:21,790 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-06-06 11:37:21,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 1 [2021-06-06 11:37:21,791 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:22,483 WARN L205 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-06-06 11:37:22,483 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:22,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:22,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:22,531 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-06 11:37:22,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 38 [2021-06-06 11:37:22,534 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:22,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:22,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:22,571 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-06 11:37:22,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 42 [2021-06-06 11:37:22,583 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:23,687 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 155 DAG size of output: 154 [2021-06-06 11:37:23,687 INFO L628 ElimStorePlain]: treesize reduction 43, result has 96.1 percent of original size [2021-06-06 11:37:23,799 INFO L550 ElimStorePlain]: Start of recursive call 1: 17 dim-0 vars, 16 dim-1 vars, End of recursive call: and 26 xjuncts. [2021-06-06 11:37:23,799 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 33 variables, input treesize:2177, output treesize:1228 [2021-06-06 11:37:24,041 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 25 [2021-06-06 11:37:24,113 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:37:24,113 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [420919741] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:37:24,113 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:37:24,114 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-06-06 11:37:24,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948923418] [2021-06-06 11:37:24,114 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-06 11:37:24,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:37:24,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-06 11:37:24,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=506, Unknown=0, NotChecked=0, Total=600 [2021-06-06 11:37:24,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:37:24,115 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:37:24,116 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.24) internal successors, (56), 25 states have internal predecessors, (56), 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 11:37:24,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:37:24,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:37:24,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:37:24,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:37:24,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:37:24,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:37:24,585 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 62 [2021-06-06 11:37:24,926 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 51 [2021-06-06 11:37:25,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:37:25,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:37:25,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:37:25,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:37:25,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:37:25,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:37:25,281 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-06-06 11:37:25,281 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:37:25,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:37:25,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1404753657, now seen corresponding path program 3 times [2021-06-06 11:37:25,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:37:25,282 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834446489] [2021-06-06 11:37:25,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:37:25,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:37:25,369 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:37:25,369 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:37:25,369 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834446489] [2021-06-06 11:37:25,369 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834446489] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:37:25,369 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [10624013] [2021-06-06 11:37:25,369 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:37:25,401 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-06 11:37:25,402 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:37:25,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 11:37:25,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:37:25,581 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:37:25,581 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [10624013] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:37:25,581 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:37:25,581 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-06-06 11:37:25,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545852706] [2021-06-06 11:37:25,582 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-06 11:37:25,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:37:25,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-06 11:37:25,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-06-06 11:37:25,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:37:25,583 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:37:25,584 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 20 states have internal predecessors, (51), 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 11:37:25,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:37:25,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:37:25,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:37:25,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:37:25,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:37:25,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:37:25,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:37:26,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:37:26,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:37:26,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:37:26,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:37:26,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:37:26,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:37:26,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:37:26,264 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable286,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:37:26,265 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:37:26,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:37:26,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1909403317, now seen corresponding path program 4 times [2021-06-06 11:37:26,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:37:26,265 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882798698] [2021-06-06 11:37:26,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:37:26,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:37:26,362 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 11:37:26,362 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:37:26,362 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882798698] [2021-06-06 11:37:26,363 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882798698] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:37:26,363 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1842964514] [2021-06-06 11:37:26,363 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:37:26,405 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 11:37:26,405 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:37:26,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 11:37:26,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:37:26,529 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 11:37:26,530 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1842964514] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:37:26,530 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:37:26,530 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-06-06 11:37:26,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172603634] [2021-06-06 11:37:26,530 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 11:37:26,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:37:26,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 11:37:26,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-06-06 11:37:26,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:37:26,531 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:37:26,531 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 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 11:37:26,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:37:26,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:37:26,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:37:26,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:37:26,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:37:26,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:37:26,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:37:26,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:37:26,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:37:26,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:37:26,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:37:26,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:37:26,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:37:26,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:37:26,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:37:26,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:37:26,884 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable287 [2021-06-06 11:37:26,885 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:37:26,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:37:26,885 INFO L82 PathProgramCache]: Analyzing trace with hash 665523753, now seen corresponding path program 5 times [2021-06-06 11:37:26,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:37:26,885 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056066501] [2021-06-06 11:37:26,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:37:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:37:27,662 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 60 [2021-06-06 11:37:28,099 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 100 [2021-06-06 11:37:28,717 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 116 [2021-06-06 11:37:29,287 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 111 [2021-06-06 11:37:29,505 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2021-06-06 11:37:29,677 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 49 [2021-06-06 11:37:29,856 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:37:29,856 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:37:29,856 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056066501] [2021-06-06 11:37:29,856 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056066501] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:37:29,856 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1720020007] [2021-06-06 11:37:29,856 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:37:29,904 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-06 11:37:29,905 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:37:29,906 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 48 conjunts are in the unsatisfiable core [2021-06-06 11:37:29,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:37:31,798 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 117 [2021-06-06 11:37:33,211 WARN L205 SmtUtils]: Spent 989.00 ms on a formula simplification that was a NOOP. DAG size: 353 [2021-06-06 11:37:35,435 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 361 [2021-06-06 11:37:37,182 WARN L205 SmtUtils]: Spent 989.00 ms on a formula simplification that was a NOOP. DAG size: 362 [2021-06-06 11:37:38,962 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 364 [2021-06-06 11:37:40,464 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 363 [2021-06-06 11:37:41,693 WARN L205 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 350 [2021-06-06 11:37:43,435 WARN L205 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 349 [2021-06-06 11:37:44,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:44,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:44,305 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:37:44,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:44,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:44,316 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:37:44,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 22 [2021-06-06 11:37:44,345 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:44,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:44,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:44,390 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:37:44,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:44,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:44,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 11:37:44,396 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:49,403 WARN L205 SmtUtils]: Spent 5.01 s on a formula simplification. DAG size of input: 790 DAG size of output: 635 [2021-06-06 11:37:49,404 INFO L628 ElimStorePlain]: treesize reduction 2064, result has 44.1 percent of original size [2021-06-06 11:37:49,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:49,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:49,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:49,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:49,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 22 [2021-06-06 11:37:49,457 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:50,726 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 623 [2021-06-06 11:37:50,727 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:50,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:50,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:50,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:50,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:50,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 11:37:50,768 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:51,901 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 611 [2021-06-06 11:37:51,901 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:51,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:51,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:51,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:51,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:51,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 22 [2021-06-06 11:37:51,937 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:53,039 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 599 [2021-06-06 11:37:53,040 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:53,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:53,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:53,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:53,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:53,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 11:37:53,073 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:54,149 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 587 [2021-06-06 11:37:54,149 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:54,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:54,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:54,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:54,181 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:37:54,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:54,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:54,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-06 11:37:54,186 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:55,199 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 573 [2021-06-06 11:37:55,200 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:55,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:55,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:55,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:55,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:55,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 22 [2021-06-06 11:37:55,235 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:56,291 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 560 [2021-06-06 11:37:56,292 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:56,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:56,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:56,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:56,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:56,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 22 [2021-06-06 11:37:56,323 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:57,251 WARN L205 SmtUtils]: Spent 928.00 ms on a formula simplification that was a NOOP. DAG size: 547 [2021-06-06 11:37:57,252 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:57,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:57,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:57,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:57,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:57,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-06-06 11:37:57,283 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:58,194 WARN L205 SmtUtils]: Spent 910.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2021-06-06 11:37:58,194 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:58,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:58,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:58,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:58,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:58,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 11:37:58,223 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:59,079 WARN L205 SmtUtils]: Spent 856.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2021-06-06 11:37:59,080 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:59,080 INFO L518 ElimStorePlain]: Eliminatee v_prenex_146 vanished before elimination [2021-06-06 11:37:59,103 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:37:59,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:59,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:59,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:59,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:59,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 22 [2021-06-06 11:37:59,111 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:59,904 WARN L205 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2021-06-06 11:37:59,905 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:59,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:59,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:59,927 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:37:59,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:59,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:59,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-06-06 11:37:59,932 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:00,730 WARN L205 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 495 [2021-06-06 11:38:00,730 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:00,750 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:00,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:00,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:00,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:00,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:00,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 22 [2021-06-06 11:38:00,758 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:01,539 WARN L205 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 482 [2021-06-06 11:38:01,540 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:01,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:01,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:01,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:01,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:01,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:01,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:01,567 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:01,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:01,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 22 [2021-06-06 11:38:01,570 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:02,307 WARN L205 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2021-06-06 11:38:02,307 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:02,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:02,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:02,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:02,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:02,332 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:02,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 22 [2021-06-06 11:38:02,334 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:03,045 WARN L205 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 454 [2021-06-06 11:38:03,045 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:03,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:03,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:03,070 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:03,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:03,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:03,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 22 [2021-06-06 11:38:03,075 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:03,780 WARN L205 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 440 [2021-06-06 11:38:03,780 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:03,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:03,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:03,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:03,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:03,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 22 [2021-06-06 11:38:03,805 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:04,447 WARN L205 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 427 [2021-06-06 11:38:04,447 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:04,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:04,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:04,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:04,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:04,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-06 11:38:04,472 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:05,073 WARN L205 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 414 [2021-06-06 11:38:05,073 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:05,091 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:05,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:05,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:05,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:05,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:05,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 11:38:05,098 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:05,742 WARN L205 SmtUtils]: Spent 643.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2021-06-06 11:38:05,742 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:05,759 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:05,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:05,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:05,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:05,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:05,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 22 [2021-06-06 11:38:05,765 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:06,313 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2021-06-06 11:38:06,314 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:06,330 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:06,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:06,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:06,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:06,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:06,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-06 11:38:06,337 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:06,860 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2021-06-06 11:38:06,860 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:06,877 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:06,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:06,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:06,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:06,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:06,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 22 [2021-06-06 11:38:06,888 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:07,382 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 359 [2021-06-06 11:38:07,383 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:07,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:07,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:07,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:07,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:07,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 22 [2021-06-06 11:38:07,405 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:07,883 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 346 [2021-06-06 11:38:07,883 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:07,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:07,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:07,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:07,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:07,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 22 [2021-06-06 11:38:07,908 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:08,349 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 333 [2021-06-06 11:38:08,349 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:08,364 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:08,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:08,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:08,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:08,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:08,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 11:38:08,370 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:08,793 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2021-06-06 11:38:08,793 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:08,808 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:08,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:08,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:08,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:08,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:08,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 22 [2021-06-06 11:38:08,813 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:09,220 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 305 [2021-06-06 11:38:09,221 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:09,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:09,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:09,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:09,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:09,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 11:38:09,240 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:09,613 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 292 [2021-06-06 11:38:09,613 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:09,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:09,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:09,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:09,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:09,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 22 [2021-06-06 11:38:09,632 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:09,985 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 279 [2021-06-06 11:38:09,985 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:09,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:09,999 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:10,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:10,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:10,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:10,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 11:38:10,004 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:10,334 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-06-06 11:38:10,335 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:10,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:10,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:10,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:10,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:10,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-06 11:38:10,353 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:10,665 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2021-06-06 11:38:10,665 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:10,678 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:10,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:10,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:10,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:10,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:10,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 22 [2021-06-06 11:38:10,683 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:10,978 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2021-06-06 11:38:10,978 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:11,002 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 32 dim-1 vars, End of recursive call: and 10 xjuncts. [2021-06-06 11:38:11,002 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 96 variables, input treesize:3792, output treesize:71 [2021-06-06 11:38:11,140 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:38:11,140 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1720020007] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:38:11,140 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:38:11,140 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-06-06 11:38:11,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083686900] [2021-06-06 11:38:11,141 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-06 11:38:11,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:38:11,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-06 11:38:11,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=898, Unknown=0, NotChecked=0, Total=992 [2021-06-06 11:38:11,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:38:11,142 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:38:11,142 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.3125) internal successors, (74), 32 states have internal predecessors, (74), 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 11:38:11,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:38:11,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:38:11,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:38:11,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:38:11,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:38:11,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:38:11,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:38:11,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:38:11,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:38:11,576 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 33 [2021-06-06 11:38:12,079 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 41 [2021-06-06 11:38:12,699 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 63 [2021-06-06 11:38:12,918 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2021-06-06 11:38:13,254 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 58 [2021-06-06 11:38:13,554 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 83 [2021-06-06 11:38:14,505 WARN L205 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 125 [2021-06-06 11:38:16,715 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 206 DAG size of output: 121 [2021-06-06 11:38:20,258 WARN L205 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 513 DAG size of output: 160 [2021-06-06 11:38:21,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:38:21,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:38:21,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:38:21,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:38:21,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:38:21,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:38:21,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:38:21,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:38:21,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 11:38:21,285 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable288 [2021-06-06 11:38:21,286 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:38:21,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:38:21,286 INFO L82 PathProgramCache]: Analyzing trace with hash 440189797, now seen corresponding path program 6 times [2021-06-06 11:38:21,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:38:21,286 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807901395] [2021-06-06 11:38:21,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:38:21,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:38:22,065 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2021-06-06 11:38:22,487 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 114 [2021-06-06 11:38:22,991 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 117 [2021-06-06 11:38:23,591 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 138 [2021-06-06 11:38:23,983 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 106 [2021-06-06 11:38:24,206 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2021-06-06 11:38:24,567 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:38:24,567 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:38:24,567 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807901395] [2021-06-06 11:38:24,567 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807901395] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:38:24,567 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333332032] [2021-06-06 11:38:24,567 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:38:24,624 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-06 11:38:24,624 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:38:24,625 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 59 conjunts are in the unsatisfiable core [2021-06-06 11:38:24,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:38:25,272 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-06-06 11:38:25,466 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-06-06 11:38:28,771 WARN L205 SmtUtils]: Spent 2.59 s on a formula simplification that was a NOOP. DAG size: 168 [2021-06-06 11:38:32,575 WARN L205 SmtUtils]: Spent 2.91 s on a formula simplification that was a NOOP. DAG size: 669 [2021-06-06 11:38:38,356 WARN L205 SmtUtils]: Spent 3.11 s on a formula simplification that was a NOOP. DAG size: 678 [2021-06-06 11:38:42,652 WARN L205 SmtUtils]: Spent 2.66 s on a formula simplification that was a NOOP. DAG size: 679 [2021-06-06 11:38:47,409 WARN L205 SmtUtils]: Spent 3.06 s on a formula simplification that was a NOOP. DAG size: 681 [2021-06-06 11:38:51,788 WARN L205 SmtUtils]: Spent 3.36 s on a formula simplification that was a NOOP. DAG size: 682 [2021-06-06 11:38:56,221 WARN L205 SmtUtils]: Spent 3.09 s on a formula simplification that was a NOOP. DAG size: 685 [2021-06-06 11:38:59,585 WARN L205 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 684 [2021-06-06 11:39:01,273 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 1064 DAG size of output: 1064 [2021-06-06 11:39:01,488 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1447 DAG size of output: 1447 [2021-06-06 11:39:01,610 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 1447 DAG size of output: 1447 [2021-06-06 11:39:10,107 WARN L205 SmtUtils]: Spent 7.01 s on a formula simplification. DAG size of input: 1447 DAG size of output: 1075 [2021-06-06 11:39:14,417 WARN L205 SmtUtils]: Spent 2.66 s on a formula simplification that was a NOOP. DAG size: 1077 [2021-06-06 11:39:20,590 INFO L446 ElimStorePlain]: Different costs {11=[v_prenex_349, v_prenex_328, v_prenex_296, v_prenex_342, v_prenex_298, v_prenex_331, v_prenex_332, v_prenex_333, v_prenex_357, v_prenex_337], 15=[v_prenex_350, v_prenex_295, v_prenex_341, v_prenex_321, v_prenex_354, v_prenex_310, v_prenex_322, v_prenex_355, v_prenex_311, v_prenex_300, v_prenex_344, v_prenex_301, v_prenex_334, v_prenex_346, v_prenex_335, v_prenex_314, v_prenex_347, v_prenex_348, v_prenex_317, v_prenex_307, v_prenex_308], 18=[v_prenex_340, v_prenex_320, v_prenex_343, v_prenex_323, v_prenex_345, v_prenex_324, v_prenex_302, v_prenex_325, v_prenex_303, v_prenex_326, v_prenex_304, v_prenex_316, v_prenex_338, v_prenex_318, v_prenex_319, v_prenex_351, v_prenex_352, v_prenex_330, v_prenex_297, v_prenex_353, v_prenex_299, v_prenex_312, v_prenex_356, v_prenex_313, v_prenex_336, v_prenex_315, v_prenex_305, v_prenex_327, v_prenex_306, A, v_prenex_329, v_prenex_309], 21=[v_prenex_339]} [2021-06-06 11:39:20,810 INFO L244 Elim1Store]: Index analysis took 135 ms [2021-06-06 11:39:21,321 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-06 11:39:21,321 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-06 11:39:21,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 56 treesize of output 92 [2021-06-06 11:39:21,350 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:21,541 INFO L244 Elim1Store]: Index analysis took 110 ms [2021-06-06 11:39:22,173 WARN L205 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2021-06-06 11:39:22,173 INFO L354 Elim1Store]: treesize reduction 40, result has 55.1 percent of original size [2021-06-06 11:39:22,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 56 treesize of output 76 [2021-06-06 11:39:22,176 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:50,829 WARN L205 SmtUtils]: Spent 28.65 s on a formula simplification that was a NOOP. DAG size: 1817 [2021-06-06 11:39:50,830 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:51,181 INFO L244 Elim1Store]: Index analysis took 257 ms [2021-06-06 11:39:51,572 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-06-06 11:39:51,572 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:51,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 58 treesize of output 116 [2021-06-06 11:39:51,812 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:52,029 INFO L244 Elim1Store]: Index analysis took 115 ms [2021-06-06 11:39:52,676 WARN L205 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-06 11:39:52,677 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-06 11:39:52,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 58 treesize of output 92 [2021-06-06 11:39:52,698 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 11:40:50,608 WARN L205 SmtUtils]: Spent 57.91 s on a formula simplification. DAG size of input: 1822 DAG size of output: 1801 [2021-06-06 11:40:50,612 INFO L628 ElimStorePlain]: treesize reduction 95, result has 99.0 percent of original size [2021-06-06 11:40:50,911 INFO L244 Elim1Store]: Index analysis took 211 ms [2021-06-06 11:40:51,446 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2021-06-06 11:40:51,446 INFO L354 Elim1Store]: treesize reduction 40, result has 55.1 percent of original size [2021-06-06 11:40:51,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 58 treesize of output 76 [2021-06-06 11:40:51,449 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 11:40:51,634 INFO L244 Elim1Store]: Index analysis took 103 ms [2021-06-06 11:40:52,098 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-06 11:40:52,099 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-06 11:40:52,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 58 treesize of output 92 [2021-06-06 11:40:52,109 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 11:41:48,999 WARN L205 SmtUtils]: Spent 56.89 s on a formula simplification. DAG size of input: 1800 DAG size of output: 1797 [2021-06-06 11:41:49,003 INFO L628 ElimStorePlain]: treesize reduction 14, result has 99.9 percent of original size [2021-06-06 11:41:49,276 INFO L244 Elim1Store]: Index analysis took 187 ms [2021-06-06 11:41:49,916 WARN L205 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-06-06 11:41:49,917 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:41:49,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 58 treesize of output 116 [2021-06-06 11:41:50,344 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 11:41:50,550 INFO L244 Elim1Store]: Index analysis took 110 ms [2021-06-06 11:41:51,262 WARN L205 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-06 11:41:51,263 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-06 11:41:51,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 58 treesize of output 92 [2021-06-06 11:41:51,302 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 11:42:48,829 WARN L205 SmtUtils]: Spent 57.52 s on a formula simplification. DAG size of input: 1839 DAG size of output: 1780 [2021-06-06 11:42:48,832 INFO L628 ElimStorePlain]: treesize reduction 411, result has 95.9 percent of original size [2021-06-06 11:42:49,222 INFO L244 Elim1Store]: Index analysis took 304 ms [2021-06-06 11:42:49,797 WARN L205 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-06 11:42:49,798 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-06 11:42:49,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 58 treesize of output 92 [2021-06-06 11:42:49,829 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 11:42:50,031 INFO L244 Elim1Store]: Index analysis took 114 ms [2021-06-06 11:42:50,663 WARN L205 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2021-06-06 11:42:50,663 INFO L354 Elim1Store]: treesize reduction 40, result has 55.1 percent of original size [2021-06-06 11:42:50,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 58 treesize of output 76 [2021-06-06 11:42:50,666 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 11:43:46,993 WARN L205 SmtUtils]: Spent 56.33 s on a formula simplification. DAG size of input: 1783 DAG size of output: 1777 [2021-06-06 11:43:46,996 INFO L628 ElimStorePlain]: treesize reduction 40, result has 99.6 percent of original size [2021-06-06 11:43:47,229 INFO L244 Elim1Store]: Index analysis took 149 ms [2021-06-06 11:43:47,574 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-06 11:43:47,574 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-06 11:43:47,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 41 treesize of output 89 [2021-06-06 11:43:47,594 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 11:43:48,349 WARN L205 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2021-06-06 11:43:48,350 INFO L354 Elim1Store]: treesize reduction 40, result has 55.1 percent of original size [2021-06-06 11:43:48,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 46 treesize of output 76 [2021-06-06 11:43:48,353 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 11:44:15,878 WARN L205 SmtUtils]: Spent 27.52 s on a formula simplification that was a NOOP. DAG size: 1773 [2021-06-06 11:44:15,879 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:44:16,153 INFO L244 Elim1Store]: Index analysis took 190 ms [2021-06-06 11:44:16,556 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2021-06-06 11:44:16,557 INFO L354 Elim1Store]: treesize reduction 40, result has 55.1 percent of original size [2021-06-06 11:44:16,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 58 treesize of output 76 [2021-06-06 11:44:16,559 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 11:44:16,753 INFO L244 Elim1Store]: Index analysis took 105 ms [2021-06-06 11:44:17,217 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-06 11:44:17,217 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-06 11:44:17,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 58 treesize of output 92 [2021-06-06 11:44:17,256 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 11:45:13,133 WARN L205 SmtUtils]: Spent 55.87 s on a formula simplification. DAG size of input: 1772 DAG size of output: 1768 [2021-06-06 11:45:13,136 INFO L628 ElimStorePlain]: treesize reduction 34, result has 99.6 percent of original size [2021-06-06 11:45:13,411 INFO L244 Elim1Store]: Index analysis took 189 ms [2021-06-06 11:45:14,013 WARN L205 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-06 11:45:14,013 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-06 11:45:14,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 56 treesize of output 92 [2021-06-06 11:45:14,034 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 11:45:14,225 INFO L244 Elim1Store]: Index analysis took 107 ms [2021-06-06 11:45:14,591 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2021-06-06 11:45:14,591 INFO L354 Elim1Store]: treesize reduction 40, result has 55.1 percent of original size [2021-06-06 11:45:14,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 56 treesize of output 76 [2021-06-06 11:45:14,594 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 11:46:11,879 WARN L205 SmtUtils]: Spent 57.28 s on a formula simplification. DAG size of input: 1766 DAG size of output: 1762 [2021-06-06 11:46:11,883 INFO L628 ElimStorePlain]: treesize reduction 30, result has 99.7 percent of original size [2021-06-06 11:46:12,139 INFO L244 Elim1Store]: Index analysis took 171 ms [2021-06-06 11:46:12,521 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-06-06 11:46:12,522 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:46:12,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 56 treesize of output 116 [2021-06-06 11:46:12,786 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 11:46:13,389 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-06 11:46:13,390 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-06 11:46:13,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 56 treesize of output 92 [2021-06-06 11:46:13,401 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 11:47:09,100 WARN L205 SmtUtils]: Spent 55.70 s on a formula simplification. DAG size of input: 1769 DAG size of output: 1745 [2021-06-06 11:47:09,120 INFO L628 ElimStorePlain]: treesize reduction 138, result has 98.6 percent of original size [2021-06-06 11:47:09,386 INFO L244 Elim1Store]: Index analysis took 179 ms [2021-06-06 11:47:10,032 WARN L205 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-06 11:47:10,032 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-06 11:47:10,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 58 treesize of output 92 [2021-06-06 11:47:10,057 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 11:47:10,535 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-06-06 11:47:10,535 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:47:10,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 58 treesize of output 116 [2021-06-06 11:47:10,954 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 11:48:10,354 WARN L205 SmtUtils]: Spent 59.40 s on a formula simplification. DAG size of input: 1755 DAG size of output: 1728 [2021-06-06 11:48:10,377 INFO L628 ElimStorePlain]: treesize reduction 152, result has 98.4 percent of original size [2021-06-06 11:48:10,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:48:10,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:48:10,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:48:10,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:48:10,659 INFO L244 Elim1Store]: Index analysis took 199 ms [2021-06-06 11:48:11,191 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2021-06-06 11:48:11,191 INFO L354 Elim1Store]: treesize reduction 40, result has 55.1 percent of original size [2021-06-06 11:48:11,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 58 treesize of output 76 [2021-06-06 11:48:11,194 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 11:48:11,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:48:11,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:48:11,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:48:11,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:48:11,406 INFO L244 Elim1Store]: Index analysis took 125 ms [2021-06-06 11:48:11,838 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-06 11:48:11,839 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-06 11:48:11,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 58 treesize of output 92 [2021-06-06 11:48:11,873 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-06 11:48:18,342 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: ASSERTION VIOLATION File: ../src/math/lp/int_solver.cpp Line: 562 Failed to verify: get_freedom_interval_for_column(j, inf_l, l, inf_u, u, m) || settings().get_cancel_flag() Z3 4.8.11.0 Please file an issue with this message and more detail about how you encountered it at https://github.com/Z3Prover/z3/issues/new [2021-06-06 11:48:18,348 WARN L348 FreeRefinementEngine]: Global settings require throwing the following exception [2021-06-06 11:48:18,548 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable444 [2021-06-06 11:48:18,549 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: ASSERTION VIOLATION File: ../src/math/lp/int_solver.cpp Line: 562 Failed to verify: get_freedom_interval_for_column(j, inf_l, l, inf_u, u, m) || settings().get_cancel_flag() Z3 4.8.11.0 Please file an issue with this message and more detail about how you encountered it at https://github.com/Z3Prover/z3/issues/new at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:621) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:393) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:649) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:173) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:238) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:625) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:307) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:100) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:297) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:643) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:364) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:238) ... 56 more [2021-06-06 11:48:18,555 INFO L168 Benchmark]: Toolchain (without parser) took 686799.84 ms. Allocated memory was 373.3 MB in the beginning and 541.1 MB in the end (delta: 167.8 MB). Free memory was 352.2 MB in the beginning and 279.9 MB in the end (delta: 72.2 MB). Peak memory consumption was 330.7 MB. Max. memory is 16.0 GB. [2021-06-06 11:48:18,555 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 373.3 MB. Free memory was 353.4 MB in the beginning and 353.3 MB in the end (delta: 65.7 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 11:48:18,555 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.31 ms. Allocated memory is still 373.3 MB. Free memory was 352.1 MB in the beginning and 350.6 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 11:48:18,555 INFO L168 Benchmark]: Boogie Preprocessor took 15.06 ms. Allocated memory is still 373.3 MB. Free memory was 350.6 MB in the beginning and 349.7 MB in the end (delta: 939.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 11:48:18,555 INFO L168 Benchmark]: RCFGBuilder took 325.19 ms. Allocated memory is still 373.3 MB. Free memory was 349.6 MB in the beginning and 337.0 MB in the end (delta: 12.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-06-06 11:48:18,556 INFO L168 Benchmark]: TraceAbstraction took 686433.92 ms. Allocated memory was 373.3 MB in the beginning and 541.1 MB in the end (delta: 167.8 MB). Free memory was 336.5 MB in the beginning and 279.9 MB in the end (delta: 56.6 MB). Peak memory consumption was 316.0 MB. Max. memory is 16.0 GB. [2021-06-06 11:48:18,556 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 0.16 ms. Allocated memory is still 373.3 MB. Free memory was 353.4 MB in the beginning and 353.3 MB in the end (delta: 65.7 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 21.31 ms. Allocated memory is still 373.3 MB. Free memory was 352.1 MB in the beginning and 350.6 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 15.06 ms. Allocated memory is still 373.3 MB. Free memory was 350.6 MB in the beginning and 349.7 MB in the end (delta: 939.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 325.19 ms. Allocated memory is still 373.3 MB. Free memory was 349.6 MB in the beginning and 337.0 MB in the end (delta: 12.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 686433.92 ms. Allocated memory was 373.3 MB in the beginning and 541.1 MB in the end (delta: 167.8 MB). Free memory was 336.5 MB in the beginning and 279.9 MB in the end (delta: 56.6 MB). Peak memory consumption was 316.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: ASSERTION VIOLATION File: ../src/math/lp/int_solver.cpp Line: 562 Failed to verify: get_freedom_interval_for_column(j, inf_l, l, inf_u, u, m) || settings().get_cancel_flag() Z3 4.8.11.0 Please file an issue with this message and more detail about how you encountered it at https://github.com/Z3Prover/z3/issues/new de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: ASSERTION VIOLATION File: ../src/math/lp/int_solver.cpp Line: 562 Failed to verify: get_freedom_interval_for_column(j, inf_l, l, inf_u, u, m) || settings().get_cancel_flag() Z3 4.8.11.0 Please file an issue with this message and more detail about how you encountered it at https://github.com/Z3Prover/z3/issues/new : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...