/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-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/LBE_bigexample_safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-11 18:42:15,280 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-11 18:42:15,281 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-11 18:42:15,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-11 18:42:15,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-11 18:42:15,308 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-11 18:42:15,309 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-11 18:42:15,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-11 18:42:15,312 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-11 18:42:15,312 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-11 18:42:15,313 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-11 18:42:15,314 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-11 18:42:15,314 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-11 18:42:15,315 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-11 18:42:15,316 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-11 18:42:15,317 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-11 18:42:15,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-11 18:42:15,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-11 18:42:15,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-11 18:42:15,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-11 18:42:15,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-11 18:42:15,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-11 18:42:15,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-11 18:42:15,324 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-11 18:42:15,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-11 18:42:15,327 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-11 18:42:15,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-11 18:42:15,327 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-11 18:42:15,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-11 18:42:15,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-11 18:42:15,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-11 18:42:15,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-11 18:42:15,330 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-11 18:42:15,330 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-11 18:42:15,331 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-11 18:42:15,331 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-11 18:42:15,332 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-11 18:42:15,332 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-11 18:42:15,332 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-11 18:42:15,333 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-11 18:42:15,334 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-11 18:42:15,334 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-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-06-11 18:42:15,354 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-11 18:42:15,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-11 18:42:15,355 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-11 18:42:15,355 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-11 18:42:15,355 INFO L138 SettingsManager]: * Use SBE=true [2021-06-11 18:42:15,355 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-11 18:42:15,356 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-11 18:42:15,356 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-11 18:42:15,356 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-11 18:42:15,356 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-11 18:42:15,356 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-11 18:42:15,356 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-11 18:42:15,356 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-11 18:42:15,356 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-11 18:42:15,357 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-11 18:42:15,357 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-11 18:42:15,357 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-11 18:42:15,357 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-11 18:42:15,357 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-11 18:42:15,357 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-11 18:42:15,358 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-11 18:42:15,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 18:42:15,358 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-11 18:42:15,358 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-11 18:42:15,358 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-11 18:42:15,358 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-11 18:42:15,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-11 18:42:15,358 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-06-11 18:42:15,359 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-11 18:42:15,359 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-11 18:42:15,359 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-11 18:42:15,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-11 18:42:15,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-11 18:42:15,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-11 18:42:15,667 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-11 18:42:15,669 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-11 18:42:15,670 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/LBE_bigexample_safe.bpl [2021-06-11 18:42:15,670 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/LBE_bigexample_safe.bpl' [2021-06-11 18:42:15,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-11 18:42:15,700 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-11 18:42:15,701 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-11 18:42:15,701 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-11 18:42:15,701 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-11 18:42:15,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "LBE_bigexample_safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 06:42:15" (1/1) ... [2021-06-11 18:42:15,717 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "LBE_bigexample_safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 06:42:15" (1/1) ... [2021-06-11 18:42:15,723 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-11 18:42:15,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-11 18:42:15,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-11 18:42:15,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-11 18:42:15,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "LBE_bigexample_safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 06:42:15" (1/1) ... [2021-06-11 18:42:15,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "LBE_bigexample_safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 06:42:15" (1/1) ... [2021-06-11 18:42:15,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "LBE_bigexample_safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 06:42:15" (1/1) ... [2021-06-11 18:42:15,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "LBE_bigexample_safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 06:42:15" (1/1) ... [2021-06-11 18:42:15,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "LBE_bigexample_safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 06:42:15" (1/1) ... [2021-06-11 18:42:15,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "LBE_bigexample_safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 06:42:15" (1/1) ... [2021-06-11 18:42:15,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "LBE_bigexample_safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 06:42:15" (1/1) ... [2021-06-11 18:42:15,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-11 18:42:15,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-11 18:42:15,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-11 18:42:15,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-11 18:42:15,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "LBE_bigexample_safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 06:42:15" (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 [2021-06-11 18:42:15,796 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-06-11 18:42:15,797 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-06-11 18:42:15,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-11 18:42:15,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-11 18:42:15,798 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-11 18:42:15,949 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-11 18:42:15,949 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-11 18:42:15,952 INFO L202 PluginConnector]: Adding new model LBE_bigexample_safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 06:42:15 BoogieIcfgContainer [2021-06-11 18:42:15,952 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-11 18:42:15,965 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-11 18:42:15,966 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-11 18:42:15,968 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-11 18:42:15,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "LBE_bigexample_safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 06:42:15" (1/2) ... [2021-06-11 18:42:15,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16d37625 and model type LBE_bigexample_safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 06:42:15, skipping insertion in model container [2021-06-11 18:42:15,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "LBE_bigexample_safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 06:42:15" (2/2) ... [2021-06-11 18:42:15,970 INFO L111 eAbstractionObserver]: Analyzing ICFG LBE_bigexample_safe.bpl [2021-06-11 18:42:15,974 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-11 18:42:15,993 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 22 error locations. [2021-06-11 18:42:15,994 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-11 18:42:16,095 INFO L149 ThreadInstanceAdder]: Constructed 16 joinOtherThreadTransitions. [2021-06-11 18:42:16,110 INFO L253 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2021-06-11 18:42:16,135 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 18:42:16,136 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 18:42:16,136 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 18:42:16,136 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 18:42:16,136 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 18:42:16,136 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 18:42:16,136 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 18:42:16,136 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 18:42:16,150 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 86 transitions, 240 flow [2021-06-11 18:42:16,186 INFO L129 PetriNetUnfolder]: 17/98 cut-off events. [2021-06-11 18:42:16,187 INFO L130 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2021-06-11 18:42:16,191 INFO L84 FinitePrefix]: Finished finitePrefix Result has 143 conditions, 98 events. 17/98 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 198 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 93. Up to 12 conditions per place. [2021-06-11 18:42:16,191 INFO L82 GeneralOperation]: Start removeDead. Operand has 87 places, 86 transitions, 240 flow [2021-06-11 18:42:16,197 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 81 places, 77 transitions, 202 flow [2021-06-11 18:42:16,198 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 18:42:16,211 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 77 transitions, 202 flow [2021-06-11 18:42:16,215 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 77 transitions, 202 flow [2021-06-11 18:42:16,217 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 77 transitions, 202 flow [2021-06-11 18:42:16,237 INFO L129 PetriNetUnfolder]: 14/93 cut-off events. [2021-06-11 18:42:16,238 INFO L130 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2021-06-11 18:42:16,238 INFO L84 FinitePrefix]: Finished finitePrefix Result has 134 conditions, 93 events. 14/93 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 207 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 93. Up to 12 conditions per place. [2021-06-11 18:42:16,242 INFO L151 LiptonReduction]: Number of co-enabled transitions 2320 [2021-06-11 18:42:16,801 INFO L163 LiptonReduction]: Checked pairs total: 1842 [2021-06-11 18:42:16,801 INFO L165 LiptonReduction]: Total number of compositions: 86 [2021-06-11 18:42:16,806 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 609 [2021-06-11 18:42:16,820 INFO L129 PetriNetUnfolder]: 0/4 cut-off events. [2021-06-11 18:42:16,820 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 18:42:16,820 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 18:42:16,821 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-06-11 18:42:16,821 INFO L428 AbstractCegarLoop]: === Iteration 1 === [fooErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr17ASSERT_VIOLATIONASSERT, fooErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr5ASSERT_VIOLATIONASSERT, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr19ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr7ASSERT_VIOLATIONASSERT, fooErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr15ASSERT_VIOLATIONASSERT, ULTIMATE.startErr9ASSERT_VIOLATIONASSERT, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr13ASSERT_VIOLATIONASSERT, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr11ASSERT_VIOLATIONASSERT, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr18ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4ASSERT_VIOLATIONASSERT, ULTIMATE.startErr16ASSERT_VIOLATIONASSERT, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr14ASSERT_VIOLATIONASSERT, fooErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr6ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr12ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10ASSERT_VIOLATIONASSERT, fooErr1ASSERT_VIOLATIONASSERT]=== [2021-06-11 18:42:16,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 18:42:16,827 INFO L82 PathProgramCache]: Analyzing trace with hash 111808, now seen corresponding path program 1 times [2021-06-11 18:42:16,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 18:42:16,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502136160] [2021-06-11 18:42:16,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 18:42:16,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 18:42:16,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 18:42:16,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 18:42:16,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 18:42:16,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502136160] [2021-06-11 18:42:16,910 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 18:42:16,910 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 18:42:16,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487626498] [2021-06-11 18:42:16,917 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 18:42:16,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 18:42:16,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 18:42:16,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 18:42:16,928 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 29 out of 172 [2021-06-11 18:42:16,930 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 50 transitions, 148 flow. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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) [2021-06-11 18:42:16,930 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 18:42:16,930 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 29 of 172 [2021-06-11 18:42:16,931 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 18:42:16,970 INFO L129 PetriNetUnfolder]: 80/155 cut-off events. [2021-06-11 18:42:16,970 INFO L130 PetriNetUnfolder]: For 70/70 co-relation queries the response was YES. [2021-06-11 18:42:16,971 INFO L84 FinitePrefix]: Finished finitePrefix Result has 320 conditions, 155 events. 80/155 cut-off events. For 70/70 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 599 event pairs, 49 based on Foata normal form. 0/142 useless extension candidates. Maximal degree in co-relation 249. Up to 81 conditions per place. [2021-06-11 18:42:16,972 INFO L132 encePairwiseOnDemand]: 143/172 looper letters, 0 selfloop transitions, 0 changer transitions 22/22 dead transitions. [2021-06-11 18:42:16,973 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 22 transitions, 104 flow [2021-06-11 18:42:16,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 18:42:16,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 18:42:16,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 121 transitions. [2021-06-11 18:42:16,983 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23449612403100775 [2021-06-11 18:42:16,983 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 121 transitions. [2021-06-11 18:42:16,984 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 121 transitions. [2021-06-11 18:42:16,984 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 18:42:16,986 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 121 transitions. [2021-06-11 18:42:16,988 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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) [2021-06-11 18:42:16,992 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 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) [2021-06-11 18:42:16,992 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 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) [2021-06-11 18:42:16,994 INFO L185 Difference]: Start difference. First operand has 54 places, 50 transitions, 148 flow. Second operand 3 states and 121 transitions. [2021-06-11 18:42:16,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 22 transitions, 104 flow [2021-06-11 18:42:16,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 22 transitions, 72 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-06-11 18:42:16,999 INFO L241 Difference]: Finished difference. Result has 20 places, 0 transitions, 0 flow [2021-06-11 18:42:17,001 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=18, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=20, PETRI_TRANSITIONS=0} [2021-06-11 18:42:17,002 INFO L343 CegarLoopForPetriNet]: 54 programPoint places, -34 predicate places. [2021-06-11 18:42:17,002 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 18:42:17,002 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 20 places, 0 transitions, 0 flow [2021-06-11 18:42:17,002 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 20 places, 0 transitions, 0 flow [2021-06-11 18:42:17,002 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-06-11 18:42:17,003 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-06-11 18:42:17,003 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 18:42:17,003 INFO L84 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2021-06-11 18:42:17,003 INFO L151 LiptonReduction]: Number of co-enabled transitions 0 [2021-06-11 18:42:17,003 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 18:42:17,003 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 18:42:17,003 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1 [2021-06-11 18:42:17,004 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-06-11 18:42:17,005 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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) [2021-06-11 18:42:17,005 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-11 18:42:17,008 INFO L202 PluginConnector]: Adding new model LBE_bigexample_safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.06 06:42:17 BasicIcfg [2021-06-11 18:42:17,008 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-11 18:42:17,009 INFO L168 Benchmark]: Toolchain (without parser) took 1309.12 ms. Allocated memory is still 356.5 MB. Free memory was 337.3 MB in the beginning and 219.5 MB in the end (delta: 117.8 MB). Peak memory consumption was 117.6 MB. Max. memory is 16.0 GB. [2021-06-11 18:42:17,010 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.45 ms. Allocated memory is still 356.5 MB. Free memory is still 338.3 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 18:42:17,010 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.61 ms. Allocated memory is still 356.5 MB. Free memory was 337.2 MB in the beginning and 335.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 18:42:17,011 INFO L168 Benchmark]: Boogie Preprocessor took 12.11 ms. Allocated memory is still 356.5 MB. Free memory was 335.7 MB in the beginning and 334.9 MB in the end (delta: 814.7 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 18:42:17,011 INFO L168 Benchmark]: RCFGBuilder took 214.52 ms. Allocated memory is still 356.5 MB. Free memory was 334.8 MB in the beginning and 322.8 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-06-11 18:42:17,012 INFO L168 Benchmark]: TraceAbstraction took 1043.09 ms. Allocated memory is still 356.5 MB. Free memory was 322.3 MB in the beginning and 219.5 MB in the end (delta: 102.8 MB). Peak memory consumption was 103.0 MB. Max. memory is 16.0 GB. [2021-06-11 18:42:17,014 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 0.45 ms. Allocated memory is still 356.5 MB. Free memory is still 338.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 22.61 ms. Allocated memory is still 356.5 MB. Free memory was 337.2 MB in the beginning and 335.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 12.11 ms. Allocated memory is still 356.5 MB. Free memory was 335.7 MB in the beginning and 334.9 MB in the end (delta: 814.7 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 214.52 ms. Allocated memory is still 356.5 MB. Free memory was 334.8 MB in the beginning and 322.8 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1043.09 ms. Allocated memory is still 356.5 MB. Free memory was 322.3 MB in the beginning and 219.5 MB in the end (delta: 102.8 MB). Peak memory consumption was 103.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 586.7ms, 81 PlacesBefore, 54 PlacesAfterwards, 77 TransitionsBefore, 50 TransitionsAfterwards, 2320 CoEnabledTransitionPairs, 7 FixpointIterations, 0 TrivialSequentialCompositions, 86 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 86 TotalNumberOfCompositions, 1842 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1842, positive: 1842, positive conditional: 1842, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1842, positive: 1842, positive conditional: 0, positive unconditional: 1842, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1842, positive: 1842, positive conditional: 0, positive unconditional: 1842, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 984, positive: 984, positive conditional: 0, positive unconditional: 984, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 984, positive: 984, positive conditional: 0, positive unconditional: 984, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1842, positive: 858, positive conditional: 0, positive unconditional: 858, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 984, unknown conditional: 0, unknown unconditional: 984] , Statistics on independence cache: Total cache size (in pairs): 984, Positive cache size: 984, Positive conditional cache size: 0, Positive unconditional cache size: 984, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.9ms, 20 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 984, Positive cache size: 984, Positive conditional cache size: 0, Positive unconditional cache size: 984, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - PositiveResult [Line: 53]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 52]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 25]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 40]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 26]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 39]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 27]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 38]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 24]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 41]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 22]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 23]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 29]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 36]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 28]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 37]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 31]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 34]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 30]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 35]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 32]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 33]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 57 locations, 22 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 2.8ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 873.5ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 77.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 680.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1 SDtfs, 5 SDslu, 0 SDs, 0 SdLazy, 5 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=148occurred in iteration=0, InterpolantAutomatonStates: 3, 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: 4.0ms SsaConstructionTime, 7.9ms SatisfiabilityAnalysisTime, 22.5ms InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 2 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 22 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...