/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/match-symm.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-13 09:16:28,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-13 09:16:28,315 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-13 09:16:28,350 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-13 09:16:28,350 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-13 09:16:28,353 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-13 09:16:28,358 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-13 09:16:28,363 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-13 09:16:28,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-13 09:16:28,369 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-13 09:16:28,370 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-13 09:16:28,372 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-13 09:16:28,372 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-13 09:16:28,374 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-13 09:16:28,375 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-13 09:16:28,376 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-13 09:16:28,379 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-13 09:16:28,379 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-13 09:16:28,382 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-13 09:16:28,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-13 09:16:28,388 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-13 09:16:28,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-13 09:16:28,390 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-13 09:16:28,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-13 09:16:28,398 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-13 09:16:28,401 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-13 09:16:28,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-13 09:16:28,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-13 09:16:28,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-13 09:16:28,406 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-13 09:16:28,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-13 09:16:28,407 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-13 09:16:28,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-13 09:16:28,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-13 09:16:28,408 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-13 09:16:28,421 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-13 09:16:28,422 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-PN-NoLbe.epf [2021-06-13 09:16:28,456 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-13 09:16:28,457 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-13 09:16:28,459 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-13 09:16:28,460 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-13 09:16:28,460 INFO L138 SettingsManager]: * Use SBE=true [2021-06-13 09:16:28,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-13 09:16:28,460 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-13 09:16:28,460 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-13 09:16:28,460 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-13 09:16:28,461 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-13 09:16:28,461 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-13 09:16:28,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-13 09:16:28,462 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-13 09:16:28,462 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-13 09:16:28,462 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-13 09:16:28,462 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-13 09:16:28,462 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-13 09:16:28,462 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-13 09:16:28,462 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-13 09:16:28,463 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-13 09:16:28,463 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-13 09:16:28,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 09:16:28,463 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-13 09:16:28,463 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-13 09:16:28,463 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-13 09:16:28,463 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-13 09:16:28,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-13 09:16:28,464 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-13 09:16:28,464 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-13 09:16:28,464 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-13 09:16:28,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-13 09:16:28,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-13 09:16:28,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-13 09:16:28,776 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-13 09:16:28,781 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-13 09:16:28,781 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/match-symm.wvr.bpl [2021-06-13 09:16:28,781 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/match-symm.wvr.bpl' [2021-06-13 09:16:28,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-13 09:16:28,821 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-13 09:16:28,822 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-13 09:16:28,822 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-13 09:16:28,822 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-13 09:16:28,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "match-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 09:16:28" (1/1) ... [2021-06-13 09:16:28,838 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "match-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 09:16:28" (1/1) ... [2021-06-13 09:16:28,845 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-13 09:16:28,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-13 09:16:28,846 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-13 09:16:28,846 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-13 09:16:28,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "match-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 09:16:28" (1/1) ... [2021-06-13 09:16:28,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "match-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 09:16:28" (1/1) ... [2021-06-13 09:16:28,854 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "match-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 09:16:28" (1/1) ... [2021-06-13 09:16:28,854 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "match-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 09:16:28" (1/1) ... [2021-06-13 09:16:28,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "match-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 09:16:28" (1/1) ... [2021-06-13 09:16:28,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "match-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 09:16:28" (1/1) ... [2021-06-13 09:16:28,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "match-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 09:16:28" (1/1) ... [2021-06-13 09:16:28,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-13 09:16:28,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-13 09:16:28,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-13 09:16:28,859 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-13 09:16:28,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "match-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 09:16:28" (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 [2021-06-13 09:16:28,916 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-13 09:16:28,916 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-13 09:16:28,916 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-13 09:16:28,916 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-13 09:16:28,917 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-13 09:16:28,917 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-13 09:16:28,917 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-13 09:16:28,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-13 09:16:28,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-13 09:16:28,918 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-13 09:16:29,075 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-13 09:16:29,076 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-13 09:16:29,079 INFO L202 PluginConnector]: Adding new model match-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 09:16:29 BoogieIcfgContainer [2021-06-13 09:16:29,079 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-13 09:16:29,082 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-13 09:16:29,082 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-13 09:16:29,084 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-13 09:16:29,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "match-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 09:16:28" (1/2) ... [2021-06-13 09:16:29,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1502fdf1 and model type match-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 09:16:29, skipping insertion in model container [2021-06-13 09:16:29,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "match-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 09:16:29" (2/2) ... [2021-06-13 09:16:29,086 INFO L111 eAbstractionObserver]: Analyzing ICFG match-symm.wvr.bpl [2021-06-13 09:16:29,091 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-13 09:16:29,092 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-13 09:16:29,092 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-13 09:16:29,154 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-13 09:16:29,173 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-06-13 09:16:29,191 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 09:16:29,191 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 09:16:29,191 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 09:16:29,192 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 09:16:29,192 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 09:16:29,192 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 09:16:29,192 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 09:16:29,192 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-13 09:16:29,199 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 21 places, 14 transitions, 44 flow [2021-06-13 09:16:29,215 INFO L129 PetriNetUnfolder]: 0/12 cut-off events. [2021-06-13 09:16:29,215 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-06-13 09:16:29,217 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21 conditions, 12 events. 0/12 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs, 0 based on Foata normal form. 0/11 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-06-13 09:16:29,217 INFO L82 GeneralOperation]: Start removeDead. Operand has 21 places, 14 transitions, 44 flow [2021-06-13 09:16:29,220 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 17 places, 10 transitions, 32 flow [2021-06-13 09:16:29,225 INFO L129 PetriNetUnfolder]: 0/9 cut-off events. [2021-06-13 09:16:29,225 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-06-13 09:16:29,225 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 09:16:29,226 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 09:16:29,226 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 09:16:29,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 09:16:29,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1429089881, now seen corresponding path program 1 times [2021-06-13 09:16:29,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 09:16:29,237 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575956036] [2021-06-13 09:16:29,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 09:16:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 09:16:29,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 09:16:29,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 09:16:29,596 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 56 [2021-06-13 09:16:29,598 INFO L142 QuantifierPusher]: treesize reduction 10024, result has 1.9 percent of original size [2021-06-13 09:16:29,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-06-13 09:16:29,894 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2021-06-13 09:16:29,898 INFO L142 QuantifierPusher]: treesize reduction 11, result has 74.4 percent of original size [2021-06-13 09:16:29,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-13 09:16:29,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 09:16:29,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 09:16:29,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 09:16:29,927 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 09:16:29,928 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575956036] [2021-06-13 09:16:29,928 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575956036] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 09:16:29,928 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 09:16:29,929 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-13 09:16:29,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847606659] [2021-06-13 09:16:29,936 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-13 09:16:29,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 09:16:29,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-13 09:16:29,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-13 09:16:29,952 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 14 [2021-06-13 09:16:29,954 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 17 places, 10 transitions, 32 flow. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 09:16:29,954 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 09:16:29,955 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 14 [2021-06-13 09:16:29,956 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 09:16:30,060 INFO L129 PetriNetUnfolder]: 0/16 cut-off events. [2021-06-13 09:16:30,060 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-06-13 09:16:30,061 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33 conditions, 16 events. 0/16 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 25 event pairs, 0 based on Foata normal form. 1/17 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-06-13 09:16:30,062 INFO L132 encePairwiseOnDemand]: 11/14 looper letters, 2 selfloop transitions, 1 changer transitions 1/11 dead transitions. [2021-06-13 09:16:30,062 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 11 transitions, 42 flow [2021-06-13 09:16:30,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 09:16:30,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-13 09:16:30,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 45 transitions. [2021-06-13 09:16:30,072 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8035714285714286 [2021-06-13 09:16:30,073 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 45 transitions. [2021-06-13 09:16:30,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 45 transitions. [2021-06-13 09:16:30,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 09:16:30,077 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 45 transitions. [2021-06-13 09:16:30,078 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 09:16:30,082 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 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) [2021-06-13 09:16:30,082 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 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) [2021-06-13 09:16:30,084 INFO L185 Difference]: Start difference. First operand has 17 places, 10 transitions, 32 flow. Second operand 4 states and 45 transitions. [2021-06-13 09:16:30,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 20 places, 11 transitions, 42 flow [2021-06-13 09:16:30,089 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 16 places, 11 transitions, 34 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-13 09:16:30,091 INFO L241 Difference]: Finished difference. Result has 18 places, 10 transitions, 31 flow [2021-06-13 09:16:30,092 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=14, PETRI_DIFFERENCE_MINUEND_FLOW=24, PETRI_DIFFERENCE_MINUEND_PLACES=13, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=10, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=31, PETRI_PLACES=18, PETRI_TRANSITIONS=10} [2021-06-13 09:16:30,093 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 1 predicate places. [2021-06-13 09:16:30,093 INFO L482 AbstractCegarLoop]: Abstraction has has 18 places, 10 transitions, 31 flow [2021-06-13 09:16:30,093 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 09:16:30,093 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 09:16:30,094 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 09:16:30,094 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-13 09:16:30,094 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 09:16:30,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 09:16:30,094 INFO L82 PathProgramCache]: Analyzing trace with hash -411680747, now seen corresponding path program 2 times [2021-06-13 09:16:30,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 09:16:30,095 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170364583] [2021-06-13 09:16:30,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 09:16:30,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 09:16:30,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 09:16:30,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 09:16:30,207 INFO L142 QuantifierPusher]: treesize reduction 1338, result has 11.4 percent of original size [2021-06-13 09:16:30,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-06-13 09:16:30,389 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 39 [2021-06-13 09:16:30,391 INFO L142 QuantifierPusher]: treesize reduction 11, result has 74.4 percent of original size [2021-06-13 09:16:30,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-13 09:16:30,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 09:16:30,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 09:16:30,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 09:16:30,423 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 09:16:30,423 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170364583] [2021-06-13 09:16:30,424 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170364583] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 09:16:30,424 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 09:16:30,424 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-13 09:16:30,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328576674] [2021-06-13 09:16:30,426 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-13 09:16:30,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 09:16:30,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-13 09:16:30,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-13 09:16:30,432 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 14 [2021-06-13 09:16:30,433 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 18 places, 10 transitions, 31 flow. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 09:16:30,433 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 09:16:30,433 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 14 [2021-06-13 09:16:30,433 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 09:16:30,513 INFO L129 PetriNetUnfolder]: 0/11 cut-off events. [2021-06-13 09:16:30,513 INFO L130 PetriNetUnfolder]: For 6/7 co-relation queries the response was YES. [2021-06-13 09:16:30,513 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24 conditions, 11 events. 0/11 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 8 event pairs, 0 based on Foata normal form. 1/12 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-06-13 09:16:30,514 INFO L132 encePairwiseOnDemand]: 11/14 looper letters, 0 selfloop transitions, 0 changer transitions 9/9 dead transitions. [2021-06-13 09:16:30,514 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 18 places, 9 transitions, 36 flow [2021-06-13 09:16:30,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 09:16:30,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-13 09:16:30,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 44 transitions. [2021-06-13 09:16:30,516 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7857142857142857 [2021-06-13 09:16:30,516 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 44 transitions. [2021-06-13 09:16:30,516 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 44 transitions. [2021-06-13 09:16:30,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 09:16:30,517 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 44 transitions. [2021-06-13 09:16:30,519 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2021-06-13 09:16:30,520 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 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) [2021-06-13 09:16:30,522 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 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) [2021-06-13 09:16:30,523 INFO L185 Difference]: Start difference. First operand has 18 places, 10 transitions, 31 flow. Second operand 4 states and 44 transitions. [2021-06-13 09:16:30,523 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 18 places, 9 transitions, 36 flow [2021-06-13 09:16:30,524 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 17 places, 9 transitions, 34 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-13 09:16:30,528 INFO L241 Difference]: Finished difference. Result has 17 places, 0 transitions, 0 flow [2021-06-13 09:16:30,528 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=14, PETRI_DIFFERENCE_MINUEND_FLOW=24, PETRI_DIFFERENCE_MINUEND_PLACES=14, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=8, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=17, PETRI_TRANSITIONS=0} [2021-06-13 09:16:30,529 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 0 predicate places. [2021-06-13 09:16:30,529 INFO L482 AbstractCegarLoop]: Abstraction has has 17 places, 0 transitions, 0 flow [2021-06-13 09:16:30,529 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 09:16:30,529 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-13 09:16:30,531 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-13 09:16:30,534 INFO L202 PluginConnector]: Adding new model match-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.06 09:16:30 BasicIcfg [2021-06-13 09:16:30,534 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-13 09:16:30,536 INFO L168 Benchmark]: Toolchain (without parser) took 1713.61 ms. Allocated memory is still 213.9 MB. Free memory was 193.4 MB in the beginning and 181.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 12.2 MB. Max. memory is 8.0 GB. [2021-06-13 09:16:30,536 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 213.9 MB. Free memory is still 194.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-13 09:16:30,537 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.13 ms. Allocated memory is still 213.9 MB. Free memory was 193.3 MB in the beginning and 191.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-13 09:16:30,538 INFO L168 Benchmark]: Boogie Preprocessor took 12.10 ms. Allocated memory is still 213.9 MB. Free memory was 191.9 MB in the beginning and 191.0 MB in the end (delta: 834.1 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-13 09:16:30,538 INFO L168 Benchmark]: RCFGBuilder took 220.98 ms. Allocated memory is still 213.9 MB. Free memory was 190.9 MB in the beginning and 181.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-06-13 09:16:30,539 INFO L168 Benchmark]: TraceAbstraction took 1451.93 ms. Allocated memory is still 213.9 MB. Free memory was 181.0 MB in the beginning and 181.6 MB in the end (delta: -660.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-06-13 09:16:30,544 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 0.11 ms. Allocated memory is still 213.9 MB. Free memory is still 194.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 23.13 ms. Allocated memory is still 213.9 MB. Free memory was 193.3 MB in the beginning and 191.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.10 ms. Allocated memory is still 213.9 MB. Free memory was 191.9 MB in the beginning and 191.0 MB in the end (delta: 834.1 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 220.98 ms. Allocated memory is still 213.9 MB. Free memory was 190.9 MB in the beginning and 181.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1451.93 ms. Allocated memory is still 213.9 MB. Free memory was 181.0 MB in the beginning and 181.6 MB in the end (delta: -660.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 38]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 23 locations, 3 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 5.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 1342.4ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 248.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 27.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 4 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 10 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 655.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 8.7ms SsaConstructionTime, 49.8ms SatisfiabilityAnalysisTime, 905.8ms InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 608 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...