/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-Sleep-SemanticLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/mcr/example_6.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-13 00:19:28,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-13 00:19:28,918 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-13 00:19:28,957 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-13 00:19:28,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-13 00:19:28,961 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-13 00:19:28,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-13 00:19:28,968 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-13 00:19:28,970 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-13 00:19:28,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-13 00:19:28,975 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-13 00:19:28,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-13 00:19:28,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-13 00:19:28,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-13 00:19:28,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-13 00:19:28,981 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-13 00:19:28,983 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-13 00:19:28,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-13 00:19:28,986 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-13 00:19:28,996 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-13 00:19:28,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-13 00:19:28,999 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-13 00:19:29,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-13 00:19:29,002 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-13 00:19:29,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-13 00:19:29,008 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-13 00:19:29,008 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-13 00:19:29,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-13 00:19:29,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-13 00:19:29,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-13 00:19:29,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-13 00:19:29,012 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-13 00:19:29,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-13 00:19:29,014 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-13 00:19:29,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-13 00:19:29,014 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-13 00:19:29,015 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-13 00:19:29,015 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-13 00:19:29,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-13 00:19:29,016 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-13 00:19:29,016 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-13 00:19:29,020 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-Sleep-SemanticLbe-Delay.epf [2021-03-13 00:19:29,054 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-13 00:19:29,054 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-13 00:19:29,054 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-13 00:19:29,054 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-13 00:19:29,057 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-13 00:19:29,057 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-13 00:19:29,057 INFO L138 SettingsManager]: * Use SBE=true [2021-03-13 00:19:29,058 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-13 00:19:29,058 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-13 00:19:29,058 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-13 00:19:29,059 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-13 00:19:29,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-13 00:19:29,059 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-13 00:19:29,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-13 00:19:29,059 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-13 00:19:29,060 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-13 00:19:29,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-13 00:19:29,060 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-13 00:19:29,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-13 00:19:29,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-13 00:19:29,060 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-13 00:19:29,060 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-13 00:19:29,061 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-13 00:19:29,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-13 00:19:29,061 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-13 00:19:29,061 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-13 00:19:29,061 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-13 00:19:29,061 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-13 00:19:29,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-13 00:19:29,062 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-13 00:19:29,062 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-13 00:19:29,062 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-13 00:19:29,062 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-13 00:19:29,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-13 00:19:29,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-13 00:19:29,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-13 00:19:29,423 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-13 00:19:29,424 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-13 00:19:29,425 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_6.bpl [2021-03-13 00:19:29,425 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_6.bpl' [2021-03-13 00:19:29,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-13 00:19:29,469 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-13 00:19:29,470 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-13 00:19:29,470 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-13 00:19:29,470 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-13 00:19:29,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:19:29" (1/1) ... [2021-03-13 00:19:29,484 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:19:29" (1/1) ... [2021-03-13 00:19:29,489 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-13 00:19:29,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-13 00:19:29,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-13 00:19:29,491 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-13 00:19:29,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:19:29" (1/1) ... [2021-03-13 00:19:29,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:19:29" (1/1) ... [2021-03-13 00:19:29,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:19:29" (1/1) ... [2021-03-13 00:19:29,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:19:29" (1/1) ... [2021-03-13 00:19:29,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:19:29" (1/1) ... [2021-03-13 00:19:29,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:19:29" (1/1) ... [2021-03-13 00:19:29,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:19:29" (1/1) ... [2021-03-13 00:19:29,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-13 00:19:29,506 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-13 00:19:29,506 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-13 00:19:29,507 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-13 00:19:29,508 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:19:29" (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 [2021-03-13 00:19:29,563 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2021-03-13 00:19:29,563 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2021-03-13 00:19:29,563 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2021-03-13 00:19:29,563 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2021-03-13 00:19:29,563 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2021-03-13 00:19:29,563 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2021-03-13 00:19:29,564 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2021-03-13 00:19:29,564 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2021-03-13 00:19:29,564 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2021-03-13 00:19:29,564 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2021-03-13 00:19:29,564 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2021-03-13 00:19:29,564 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2021-03-13 00:19:29,564 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2021-03-13 00:19:29,564 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2021-03-13 00:19:29,564 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2021-03-13 00:19:29,565 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-13 00:19:29,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-13 00:19:29,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-13 00:19:29,565 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2021-03-13 00:19:29,565 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2021-03-13 00:19:29,565 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2021-03-13 00:19:29,566 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-13 00:19:29,736 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-13 00:19:29,736 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-13 00:19:29,737 INFO L202 PluginConnector]: Adding new model example_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.03 12:19:29 BoogieIcfgContainer [2021-03-13 00:19:29,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-13 00:19:29,739 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-13 00:19:29,739 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-13 00:19:29,741 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-13 00:19:29,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:19:29" (1/2) ... [2021-03-13 00:19:29,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25431d15 and model type example_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 12:19:29, skipping insertion in model container [2021-03-13 00:19:29,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.03 12:19:29" (2/2) ... [2021-03-13 00:19:29,748 INFO L111 eAbstractionObserver]: Analyzing ICFG example_6.bpl [2021-03-13 00:19:29,756 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-13 00:19:29,756 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-13 00:19:29,759 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-13 00:19:29,760 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-13 00:19:29,903 INFO L149 ThreadInstanceAdder]: Constructed 36 joinOtherThreadTransitions. [2021-03-13 00:19:29,918 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 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) [2021-03-13 00:19:29,957 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-13 00:19:29,957 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-13 00:19:29,957 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-13 00:19:29,957 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-13 00:19:29,957 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-13 00:19:29,957 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-13 00:19:29,957 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-13 00:19:29,957 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-03-13 00:19:29,965 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-13 00:19:29,965 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 63 transitions, 264 flow [2021-03-13 00:19:29,967 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 63 transitions, 264 flow [2021-03-13 00:19:29,969 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 63 transitions, 264 flow [2021-03-13 00:19:30,062 INFO L129 PetriNetUnfolder]: 129/213 cut-off events. [2021-03-13 00:19:30,062 INFO L130 PetriNetUnfolder]: For 192/192 co-relation queries the response was YES. [2021-03-13 00:19:30,067 INFO L84 FinitePrefix]: Finished finitePrefix Result has 424 conditions, 213 events. 129/213 cut-off events. For 192/192 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 763 event pairs, 0 based on Foata normal form. 0/212 useless extension candidates. Maximal degree in co-relation 187. Up to 60 conditions per place. [2021-03-13 00:19:30,075 INFO L116 LiptonReduction]: Number of co-enabled transitions 780 [2021-03-13 00:19:30,231 INFO L131 LiptonReduction]: Checked pairs total: 2295 [2021-03-13 00:19:30,231 INFO L133 LiptonReduction]: Total number of compositions: 7 [2021-03-13 00:19:30,257 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-13 00:19:30,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:19:30,261 INFO L82 PathProgramCache]: Analyzing trace with hash -611018228, now seen corresponding path program 1 times [2021-03-13 00:19:30,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:19:30,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425856895] [2021-03-13 00:19:30,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:19:30,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:19:30,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:19:30,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425856895] [2021-03-13 00:19:30,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 00:19:30,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-13 00:19:30,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249997739] [2021-03-13 00:19:30,379 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-13 00:19:30,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:19:30,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-13 00:19:30,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-13 00:19:30,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:19:30,392 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:19:30,392 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 00:19:30,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:19:30,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:19:30,407 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-13 00:19:30,407 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-13 00:19:30,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:19:30,407 INFO L82 PathProgramCache]: Analyzing trace with hash 1188912408, now seen corresponding path program 1 times [2021-03-13 00:19:30,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:19:30,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546297604] [2021-03-13 00:19:30,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:19:30,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:19:30,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:19:30,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546297604] [2021-03-13 00:19:30,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 00:19:30,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-13 00:19:30,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936612524] [2021-03-13 00:19:30,430 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-13 00:19:30,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:19:30,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-13 00:19:30,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-13 00:19:30,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:19:30,431 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:19:30,432 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 00:19:30,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:19:30,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:19:30,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:19:30,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:19:30,450 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-13 00:19:30,450 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-13 00:19:30,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:19:30,451 INFO L82 PathProgramCache]: Analyzing trace with hash 1456419996, now seen corresponding path program 1 times [2021-03-13 00:19:30,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:19:30,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531276547] [2021-03-13 00:19:30,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:19:30,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:19:30,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:19:30,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531276547] [2021-03-13 00:19:30,478 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 00:19:30,478 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-13 00:19:30,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777029301] [2021-03-13 00:19:30,479 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-13 00:19:30,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:19:30,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-13 00:19:30,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-13 00:19:30,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:19:30,480 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:19:30,480 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 00:19:30,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:19:30,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:19:30,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:19:30,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:19:30,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:19:30,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:19:30,490 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-13 00:19:30,490 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-13 00:19:30,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:19:30,491 INFO L82 PathProgramCache]: Analyzing trace with hash 1456822686, now seen corresponding path program 1 times [2021-03-13 00:19:30,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:19:30,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472359717] [2021-03-13 00:19:30,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:19:30,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:19:30,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:19:30,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472359717] [2021-03-13 00:19:30,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 00:19:30,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-13 00:19:30,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199951911] [2021-03-13 00:19:30,798 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-13 00:19:30,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:19:30,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-13 00:19:30,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-13 00:19:30,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:19:30,799 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:19:30,800 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 00:19:30,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:19:30,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:19:30,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:19:30,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:19:31,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:19:31,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:19:31,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:19:31,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:19:31,037 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-13 00:19:31,043 INFO L202 PluginConnector]: Adding new model example_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.03 12:19:31 BasicIcfg [2021-03-13 00:19:31,043 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-13 00:19:31,044 INFO L168 Benchmark]: Toolchain (without parser) took 1577.85 ms. Allocated memory was 255.9 MB in the beginning and 348.1 MB in the end (delta: 92.3 MB). Free memory was 236.6 MB in the beginning and 321.4 MB in the end (delta: -84.8 MB). Peak memory consumption was 64.9 MB. Max. memory is 16.0 GB. [2021-03-13 00:19:31,044 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 255.9 MB. Free memory was 237.6 MB in the beginning and 237.5 MB in the end (delta: 92.7 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-13 00:19:31,045 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.92 ms. Allocated memory is still 255.9 MB. Free memory was 236.1 MB in the beginning and 234.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-13 00:19:31,045 INFO L168 Benchmark]: Boogie Preprocessor took 14.53 ms. Allocated memory is still 255.9 MB. Free memory was 234.6 MB in the beginning and 233.7 MB in the end (delta: 856.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-13 00:19:31,046 INFO L168 Benchmark]: RCFGBuilder took 232.05 ms. Allocated memory is still 255.9 MB. Free memory was 233.6 MB in the beginning and 237.2 MB in the end (delta: -3.6 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.0 GB. [2021-03-13 00:19:31,046 INFO L168 Benchmark]: TraceAbstraction took 1304.30 ms. Allocated memory was 255.9 MB in the beginning and 348.1 MB in the end (delta: 92.3 MB). Free memory was 236.7 MB in the beginning and 321.4 MB in the end (delta: -84.7 MB). Peak memory consumption was 63.5 MB. Max. memory is 16.0 GB. [2021-03-13 00:19:31,048 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 255.9 MB. Free memory was 237.6 MB in the beginning and 237.5 MB in the end (delta: 92.7 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 19.92 ms. Allocated memory is still 255.9 MB. Free memory was 236.1 MB in the beginning and 234.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 14.53 ms. Allocated memory is still 255.9 MB. Free memory was 234.6 MB in the beginning and 233.7 MB in the end (delta: 856.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 232.05 ms. Allocated memory is still 255.9 MB. Free memory was 233.6 MB in the beginning and 237.2 MB in the end (delta: -3.6 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1304.30 ms. Allocated memory was 255.9 MB in the beginning and 348.1 MB in the end (delta: 92.3 MB). Free memory was 236.7 MB in the beginning and 321.4 MB in the end (delta: -84.7 MB). Peak memory consumption was 63.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 263.7ms, 52 PlacesBefore, 45 PlacesAfterwards, 63 TransitionsBefore, 56 TransitionsAfterwards, 780 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 7 TotalNumberOfCompositions, 2295 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2295, positive: 2295, positive conditional: 0, positive unconditional: 2295, 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: 440, positive: 440, positive conditional: 0, positive unconditional: 440, 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: 440, positive: 440, positive conditional: 0, positive unconditional: 440, 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: 2295, positive: 1855, positive conditional: 0, positive unconditional: 1855, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 440, unknown conditional: 0, unknown unconditional: 440] , Statistics on independence cache: Total cache size (in pairs): 195, Positive cache size: 195, Positive conditional cache size: 0, Positive unconditional cache size: 195, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3073, positive: 2738, positive conditional: 2738, positive unconditional: 0, negative: 335, negative conditional: 335, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2738, positive: 2738, positive conditional: 2738, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2738, positive: 2738, positive conditional: 0, positive unconditional: 2738, 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: 325, positive: 325, positive conditional: 0, positive unconditional: 325, 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: 325, positive: 325, positive conditional: 0, positive unconditional: 325, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2738, positive: 2413, positive conditional: 0, positive unconditional: 2413, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 325, unknown conditional: 0, unknown unconditional: 325] , Statistics on independence cache: Total cache size (in pairs): 325, Positive cache size: 325, Positive conditional cache size: 0, Positive unconditional cache size: 325, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 325, Positive cache size: 325, Positive conditional cache size: 0, Positive unconditional cache size: 325, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 325, Positive cache size: 325, Positive conditional cache size: 0, Positive unconditional cache size: 325, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 325, Positive cache size: 325, Positive conditional cache size: 0, Positive unconditional cache size: 325, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 325, Positive cache size: 325, Positive conditional cache size: 0, Positive unconditional cache size: 325, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 335 - PositiveResult [Line: 25]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1108.6ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 282.8ms, PartialOrderReductionTime: 294.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 17, 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: 6.6ms SsaConstructionTime, 26.0ms SatisfiabilityAnalysisTime, 375.8ms InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 448 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...