/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-FA-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/mcr/example_15.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 14:23:32,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 14:23:32,062 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 14:23:32,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 14:23:32,088 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 14:23:32,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 14:23:32,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 14:23:32,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 14:23:32,094 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 14:23:32,094 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 14:23:32,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 14:23:32,096 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 14:23:32,096 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 14:23:32,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 14:23:32,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 14:23:32,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 14:23:32,100 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 14:23:32,100 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 14:23:32,102 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 14:23:32,103 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 14:23:32,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 14:23:32,105 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 14:23:32,106 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 14:23:32,107 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 14:23:32,109 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-11 14:23:32,109 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-11 14:23:32,110 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-11 14:23:32,110 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-11 14:23:32,111 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-11 14:23:32,111 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-11 14:23:32,112 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-11 14:23:32,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-11 14:23:32,113 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-11 14:23:32,114 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-11 14:23:32,114 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-11 14:23:32,115 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-11 14:23:32,115 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-11 14:23:32,116 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-11 14:23:32,116 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 14:23:32,117 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 14:23:32,117 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 14:23:32,126 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-FA-SemanticLbe.epf [2021-03-11 14:23:32,160 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 14:23:32,161 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 14:23:32,162 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 14:23:32,162 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 14:23:32,162 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 14:23:32,162 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 14:23:32,162 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 14:23:32,163 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 14:23:32,163 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 14:23:32,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 14:23:32,163 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 14:23:32,163 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 14:23:32,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 14:23:32,163 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 14:23:32,163 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 14:23:32,164 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 14:23:32,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 14:23:32,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 14:23:32,164 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 14:23:32,164 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 14:23:32,164 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 14:23:32,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 14:23:32,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 14:23:32,165 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 14:23:32,165 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 14:23:32,165 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 14:23:32,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 14:23:32,165 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-11 14:23:32,165 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 14:23:32,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 14:23:32,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 14:23:32,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 14:23:32,505 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-11 14:23:32,511 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-11 14:23:32,512 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_15.bpl [2021-03-11 14:23:32,512 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_15.bpl' [2021-03-11 14:23:32,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 14:23:32,927 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-11 14:23:32,928 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 14:23:32,928 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 14:23:32,928 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 14:23:32,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:23:32" (1/1) ... [2021-03-11 14:23:32,946 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:23:32" (1/1) ... [2021-03-11 14:23:32,952 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 14:23:32,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 14:23:32,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 14:23:32,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 14:23:32,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:23:32" (1/1) ... [2021-03-11 14:23:32,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:23:32" (1/1) ... [2021-03-11 14:23:32,963 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:23:32" (1/1) ... [2021-03-11 14:23:32,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:23:32" (1/1) ... [2021-03-11 14:23:32,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:23:32" (1/1) ... [2021-03-11 14:23:32,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:23:32" (1/1) ... [2021-03-11 14:23:32,971 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:23:32" (1/1) ... [2021-03-11 14:23:32,976 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 14:23:32,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 14:23:32,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 14:23:32,977 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 14:23:32,978 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:23:32" (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 [2021-03-11 14:23:33,044 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_14 given in one single declaration [2021-03-11 14:23:33,045 INFO L130 BoogieDeclarations]: Found specification of procedure set_14 [2021-03-11 14:23:33,045 INFO L138 BoogieDeclarations]: Found implementation of procedure set_14 [2021-03-11 14:23:33,045 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2021-03-11 14:23:33,045 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2021-03-11 14:23:33,045 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2021-03-11 14:23:33,045 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2021-03-11 14:23:33,045 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2021-03-11 14:23:33,045 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2021-03-11 14:23:33,046 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2021-03-11 14:23:33,046 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2021-03-11 14:23:33,046 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2021-03-11 14:23:33,047 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2021-03-11 14:23:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2021-03-11 14:23:33,047 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2021-03-11 14:23:33,047 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2021-03-11 14:23:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2021-03-11 14:23:33,047 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2021-03-11 14:23:33,047 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_9 given in one single declaration [2021-03-11 14:23:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure set_9 [2021-03-11 14:23:33,048 INFO L138 BoogieDeclarations]: Found implementation of procedure set_9 [2021-03-11 14:23:33,048 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-11 14:23:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 14:23:33,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 14:23:33,048 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_12 given in one single declaration [2021-03-11 14:23:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure set_12 [2021-03-11 14:23:33,048 INFO L138 BoogieDeclarations]: Found implementation of procedure set_12 [2021-03-11 14:23:33,048 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2021-03-11 14:23:33,049 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2021-03-11 14:23:33,049 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2021-03-11 14:23:33,049 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_13 given in one single declaration [2021-03-11 14:23:33,049 INFO L130 BoogieDeclarations]: Found specification of procedure set_13 [2021-03-11 14:23:33,049 INFO L138 BoogieDeclarations]: Found implementation of procedure set_13 [2021-03-11 14:23:33,049 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2021-03-11 14:23:33,049 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2021-03-11 14:23:33,049 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2021-03-11 14:23:33,050 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_10 given in one single declaration [2021-03-11 14:23:33,050 INFO L130 BoogieDeclarations]: Found specification of procedure set_10 [2021-03-11 14:23:33,050 INFO L138 BoogieDeclarations]: Found implementation of procedure set_10 [2021-03-11 14:23:33,050 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_7 given in one single declaration [2021-03-11 14:23:33,050 INFO L130 BoogieDeclarations]: Found specification of procedure set_7 [2021-03-11 14:23:33,050 INFO L138 BoogieDeclarations]: Found implementation of procedure set_7 [2021-03-11 14:23:33,050 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_11 given in one single declaration [2021-03-11 14:23:33,050 INFO L130 BoogieDeclarations]: Found specification of procedure set_11 [2021-03-11 14:23:33,050 INFO L138 BoogieDeclarations]: Found implementation of procedure set_11 [2021-03-11 14:23:33,051 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_8 given in one single declaration [2021-03-11 14:23:33,051 INFO L130 BoogieDeclarations]: Found specification of procedure set_8 [2021-03-11 14:23:33,051 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8 [2021-03-11 14:23:33,052 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-11 14:23:33,256 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 14:23:33,256 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-11 14:23:33,258 INFO L202 PluginConnector]: Adding new model example_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 02:23:33 BoogieIcfgContainer [2021-03-11 14:23:33,258 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 14:23:33,259 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 14:23:33,259 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 14:23:33,261 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 14:23:33,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:23:32" (1/2) ... [2021-03-11 14:23:33,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e40e358 and model type example_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 02:23:33, skipping insertion in model container [2021-03-11 14:23:33,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 02:23:33" (2/2) ... [2021-03-11 14:23:33,275 INFO L111 eAbstractionObserver]: Analyzing ICFG example_15.bpl [2021-03-11 14:23:33,280 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-11 14:23:33,280 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 14:23:33,283 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-11 14:23:33,284 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 14:23:33,575 INFO L149 ThreadInstanceAdder]: Constructed 225 joinOtherThreadTransitions. [2021-03-11 14:23:33,587 INFO L253 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2021-03-11 14:23:33,604 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 14:23:33,604 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-11 14:23:33,604 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 14:23:33,604 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 14:23:33,604 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 14:23:33,605 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 14:23:33,605 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 14:23:33,605 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 14:23:33,620 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-11 14:23:33,629 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 288 transitions, 1326 flow [2021-03-11 14:23:33,631 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 288 transitions, 1326 flow [2021-03-11 14:23:33,632 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 124 places, 288 transitions, 1326 flow [2021-03-11 14:23:51,193 INFO L129 PetriNetUnfolder]: 212993/245808 cut-off events. [2021-03-11 14:23:51,193 INFO L130 PetriNetUnfolder]: For 245760/245760 co-relation queries the response was YES. [2021-03-11 14:23:53,157 INFO L84 FinitePrefix]: Finished finitePrefix Result has 491614 conditions, 245808 events. 212993/245808 cut-off events. For 245760/245760 co-relation queries the response was YES. Maximal size of possible extension queue 7060. Compared 1008684 event pairs, 0 based on Foata normal form. 0/245807 useless extension candidates. Maximal degree in co-relation 229448. Up to 51480 conditions per place. [2021-03-11 14:23:58,886 INFO L116 LiptonReduction]: Number of co-enabled transitions 13020 [2021-03-11 14:23:59,252 INFO L131 LiptonReduction]: Checked pairs total: 83475 [2021-03-11 14:23:59,253 INFO L133 LiptonReduction]: Total number of compositions: 16 [2021-03-11 14:23:59,262 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 108 places, 272 transitions, 1294 flow Received shutdown request... [2021-03-11 14:37:58,772 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-11 14:37:58,774 WARN L224 ceAbstractionStarter]: Timeout [2021-03-11 14:37:58,775 INFO L202 PluginConnector]: Adding new model example_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 02:37:58 BasicIcfg [2021-03-11 14:37:58,775 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 14:37:58,777 INFO L168 Benchmark]: Toolchain (without parser) took 865852.28 ms. Allocated memory was 255.9 MB in the beginning and 14.1 GB in the end (delta: 13.8 GB). Free memory was 236.8 MB in the beginning and 8.7 GB in the end (delta: -8.4 GB). Peak memory consumption was 6.6 GB. Max. memory is 16.0 GB. [2021-03-11 14:37:58,777 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 255.9 MB. Free memory was 238.0 MB in the beginning and 238.0 MB in the end (delta: 27.5 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 14:37:58,778 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.23 ms. Allocated memory is still 255.9 MB. Free memory was 236.3 MB in the beginning and 234.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 14:37:58,778 INFO L168 Benchmark]: Boogie Preprocessor took 22.65 ms. Allocated memory is still 255.9 MB. Free memory was 234.7 MB in the beginning and 233.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 14:37:58,779 INFO L168 Benchmark]: RCFGBuilder took 281.02 ms. Allocated memory is still 255.9 MB. Free memory was 233.6 MB in the beginning and 234.2 MB in the end (delta: -544.9 kB). Peak memory consumption was 17.2 MB. Max. memory is 16.0 GB. [2021-03-11 14:37:58,780 INFO L168 Benchmark]: TraceAbstraction took 865515.90 ms. Allocated memory was 255.9 MB in the beginning and 14.1 GB in the end (delta: 13.8 GB). Free memory was 234.2 MB in the beginning and 8.7 GB in the end (delta: -8.4 GB). Peak memory consumption was 6.6 GB. Max. memory is 16.0 GB. [2021-03-11 14:37:58,783 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 238.0 MB in the beginning and 238.0 MB in the end (delta: 27.5 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 24.23 ms. Allocated memory is still 255.9 MB. Free memory was 236.3 MB in the beginning and 234.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 22.65 ms. Allocated memory is still 255.9 MB. Free memory was 234.7 MB in the beginning and 233.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 281.02 ms. Allocated memory is still 255.9 MB. Free memory was 233.6 MB in the beginning and 234.2 MB in the end (delta: -544.9 kB). Peak memory consumption was 17.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 865515.90 ms. Allocated memory was 255.9 MB in the beginning and 14.1 GB in the end (delta: 13.8 GB). Free memory was 234.2 MB in the beginning and 8.7 GB in the end (delta: -8.4 GB). Peak memory consumption was 6.6 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 25621.5ms, 124 PlacesBefore, 108 PlacesAfterwards, 288 TransitionsBefore, 272 TransitionsAfterwards, 13020 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 15 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 16 TotalNumberOfCompositions, 83475 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 83475, positive: 83475, positive conditional: 0, positive unconditional: 83475, 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: 6846, positive: 6846, positive conditional: 0, positive unconditional: 6846, 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: 6846, positive: 6846, positive conditional: 0, positive unconditional: 6846, 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: 83475, positive: 76629, positive conditional: 0, positive unconditional: 76629, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6846, unknown conditional: 0, unknown unconditional: 6846] , Statistics on independence cache: Total cache size (in pairs): 3255, Positive cache size: 3255, Positive conditional cache size: 0, Positive unconditional cache size: 3255, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - TimeoutResultAtElement [Line: 43]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 43). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 108 places, 272 transitions, 1294 flow. Already constructed 593552 states. Currently 303586 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 16 procedures, 79 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 865170.8ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 865167.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown