/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=19.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b665a9c [2020-09-29 12:02:15,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-29 12:02:15,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-29 12:02:15,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-29 12:02:15,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-29 12:02:15,169 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-29 12:02:15,171 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-29 12:02:15,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-29 12:02:15,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-29 12:02:15,176 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-29 12:02:15,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-29 12:02:15,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-29 12:02:15,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-29 12:02:15,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-29 12:02:15,181 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-29 12:02:15,182 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-29 12:02:15,183 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-29 12:02:15,184 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-29 12:02:15,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-29 12:02:15,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-29 12:02:15,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-29 12:02:15,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-29 12:02:15,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-29 12:02:15,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-29 12:02:15,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-29 12:02:15,202 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-29 12:02:15,202 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-29 12:02:15,203 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-29 12:02:15,205 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-29 12:02:15,206 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-29 12:02:15,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-29 12:02:15,207 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-29 12:02:15,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-29 12:02:15,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-29 12:02:15,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-29 12:02:15,212 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-29 12:02:15,213 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-29 12:02:15,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-29 12:02:15,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-29 12:02:15,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-29 12:02:15,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-29 12:02:15,217 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-29 12:02:15,276 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-29 12:02:15,277 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-29 12:02:15,279 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-29 12:02:15,280 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-29 12:02:15,280 INFO L138 SettingsManager]: * Use SBE=true [2020-09-29 12:02:15,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-29 12:02:15,280 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-29 12:02:15,281 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-29 12:02:15,281 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-29 12:02:15,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-29 12:02:15,281 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-29 12:02:15,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-29 12:02:15,282 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-29 12:02:15,282 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-29 12:02:15,282 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-29 12:02:15,282 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-29 12:02:15,283 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-29 12:02:15,284 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-29 12:02:15,284 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-29 12:02:15,284 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-29 12:02:15,284 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-29 12:02:15,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-29 12:02:15,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-29 12:02:15,285 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-29 12:02:15,285 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-29 12:02:15,286 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-29 12:02:15,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-29 12:02:15,286 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-29 12:02:15,286 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-29 12:02:15,286 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-29 12:02:15,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-29 12:02:15,774 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-29 12:02:15,779 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-29 12:02:15,780 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-09-29 12:02:15,781 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-09-29 12:02:15,782 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=19.bpl [2020-09-29 12:02:15,782 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=19.bpl' [2020-09-29 12:02:15,835 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-29 12:02:15,843 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-29 12:02:15,844 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-29 12:02:15,844 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-29 12:02:15,844 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-29 12:02:15,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:02:15" (1/1) ... [2020-09-29 12:02:15,880 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:02:15" (1/1) ... [2020-09-29 12:02:15,892 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-29 12:02:15,893 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-29 12:02:15,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-29 12:02:15,894 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-29 12:02:15,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:02:15" (1/1) ... [2020-09-29 12:02:15,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:02:15" (1/1) ... [2020-09-29 12:02:15,909 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:02:15" (1/1) ... [2020-09-29 12:02:15,910 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:02:15" (1/1) ... [2020-09-29 12:02:15,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:02:15" (1/1) ... [2020-09-29 12:02:15,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:02:15" (1/1) ... [2020-09-29 12:02:15,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:02:15" (1/1) ... [2020-09-29 12:02:15,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-29 12:02:15,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-29 12:02:15,930 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-29 12:02:15,930 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-29 12:02:15,931 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:02:15" (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 [2020-09-29 12:02:16,027 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-09-29 12:02:16,029 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-09-29 12:02:16,030 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-09-29 12:02:16,031 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-09-29 12:02:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-09-29 12:02:16,031 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-09-29 12:02:16,031 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-09-29 12:02:16,032 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-09-29 12:02:16,032 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-09-29 12:02:16,032 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-09-29 12:02:16,032 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-09-29 12:02:16,033 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-09-29 12:02:16,033 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-09-29 12:02:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-09-29 12:02:16,033 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-09-29 12:02:16,033 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-09-29 12:02:16,034 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-09-29 12:02:16,034 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-09-29 12:02:16,034 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-09-29 12:02:16,034 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-09-29 12:02:16,034 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-09-29 12:02:16,035 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-09-29 12:02:16,035 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-09-29 12:02:16,035 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-09-29 12:02:16,043 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-09-29 12:02:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-09-29 12:02:16,044 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-09-29 12:02:16,046 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-09-29 12:02:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-09-29 12:02:16,047 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-09-29 12:02:16,047 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-09-29 12:02:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-09-29 12:02:16,047 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-09-29 12:02:16,048 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-09-29 12:02:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-09-29 12:02:16,049 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-09-29 12:02:16,049 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-09-29 12:02:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-09-29 12:02:16,050 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-09-29 12:02:16,050 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-09-29 12:02:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-09-29 12:02:16,050 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-09-29 12:02:16,051 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-09-29 12:02:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-29 12:02:16,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-29 12:02:16,051 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-09-29 12:02:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-09-29 12:02:16,052 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-09-29 12:02:16,052 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-09-29 12:02:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-09-29 12:02:16,052 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-09-29 12:02:16,053 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-09-29 12:02:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-09-29 12:02:16,053 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-09-29 12:02:16,053 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-09-29 12:02:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-09-29 12:02:16,054 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-09-29 12:02:16,054 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-09-29 12:02:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-09-29 12:02:16,055 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-09-29 12:02:16,057 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-29 12:02:16,352 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-29 12:02:16,352 INFO L298 CfgBuilder]: Removed 19 assume(true) statements. [2020-09-29 12:02:16,357 INFO L202 PluginConnector]: Adding new model example2_N=19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 12:02:16 BoogieIcfgContainer [2020-09-29 12:02:16,357 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-29 12:02:16,359 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-29 12:02:16,359 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-29 12:02:16,362 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-29 12:02:16,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:02:15" (1/2) ... [2020-09-29 12:02:16,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4418e144 and model type example2_N=19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 12:02:16, skipping insertion in model container [2020-09-29 12:02:16,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 12:02:16" (2/2) ... [2020-09-29 12:02:16,367 INFO L109 eAbstractionObserver]: Analyzing ICFG example2_N=19.bpl [2020-09-29 12:02:16,389 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-29 12:02:16,389 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-29 12:02:16,415 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-29 12:02:16,416 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-29 12:02:16,894 INFO L251 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2020-09-29 12:02:16,924 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-29 12:02:16,924 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-29 12:02:16,924 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-29 12:02:16,924 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-29 12:02:16,924 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-29 12:02:16,925 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-29 12:02:16,925 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-29 12:02:16,925 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-29 12:02:16,972 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 138 places, 99 transitions, 350 flow [2020-09-29 12:02:16,975 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 138 places, 99 transitions, 350 flow [2020-09-29 12:02:17,097 INFO L129 PetriNetUnfolder]: 19/80 cut-off events. [2020-09-29 12:02:17,097 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2020-09-29 12:02:17,114 INFO L80 FinitePrefix]: Finished finitePrefix Result has 157 conditions, 80 events. 19/80 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 55 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 92. Up to 2 conditions per place. [2020-09-29 12:02:17,125 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 138 places, 99 transitions, 350 flow [2020-09-29 12:02:17,176 INFO L129 PetriNetUnfolder]: 19/80 cut-off events. [2020-09-29 12:02:17,177 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2020-09-29 12:02:17,180 INFO L80 FinitePrefix]: Finished finitePrefix Result has 157 conditions, 80 events. 19/80 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 55 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 92. Up to 2 conditions per place. [2020-09-29 12:02:17,185 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2736 [2020-09-29 12:02:17,186 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-29 12:02:17,307 INFO L206 etLargeBlockEncoding]: Checked pairs total: 0 [2020-09-29 12:02:17,307 INFO L214 etLargeBlockEncoding]: Total number of compositions: 1 [2020-09-29 12:02:17,312 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 137 places, 98 transitions, 348 flow Received shutdown request... [2020-09-29 12:15:49,301 WARN L544 AbstractCegarLoop]: Verification canceled [2020-09-29 12:15:49,308 WARN L228 ceAbstractionStarter]: Timeout [2020-09-29 12:15:49,308 INFO L202 PluginConnector]: Adding new model example2_N=19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 12:15:49 BasicIcfg [2020-09-29 12:15:49,309 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-29 12:15:49,312 INFO L168 Benchmark]: Toolchain (without parser) took 813474.23 ms. Allocated memory was 250.1 MB in the beginning and 7.9 GB in the end (delta: 7.6 GB). Free memory was 226.5 MB in the beginning and 3.3 GB in the end (delta: -3.1 GB). Peak memory consumption was 6.8 GB. Max. memory is 14.2 GB. [2020-09-29 12:15:49,313 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 250.1 MB. Free memory is still 226.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-09-29 12:15:49,314 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.97 ms. Allocated memory is still 250.1 MB. Free memory is still 223.9 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-09-29 12:15:49,315 INFO L168 Benchmark]: Boogie Preprocessor took 36.57 ms. Allocated memory is still 250.1 MB. Free memory was 223.9 MB in the beginning and 221.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-09-29 12:15:49,317 INFO L168 Benchmark]: RCFGBuilder took 427.28 ms. Allocated memory is still 250.1 MB. Free memory was 221.4 MB in the beginning and 201.3 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 14.2 GB. [2020-09-29 12:15:49,318 INFO L168 Benchmark]: TraceAbstraction took 812950.22 ms. Allocated memory was 250.1 MB in the beginning and 7.9 GB in the end (delta: 7.6 GB). Free memory was 201.3 MB in the beginning and 3.3 GB in the end (delta: -3.1 GB). Peak memory consumption was 6.8 GB. Max. memory is 14.2 GB. [2020-09-29 12:15:49,324 INFO L336 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 0.18 ms. Allocated memory is still 250.1 MB. Free memory is still 226.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 48.97 ms. Allocated memory is still 250.1 MB. Free memory is still 223.9 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Preprocessor took 36.57 ms. Allocated memory is still 250.1 MB. Free memory was 223.9 MB in the beginning and 221.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 427.28 ms. Allocated memory is still 250.1 MB. Free memory was 221.4 MB in the beginning and 201.3 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 14.2 GB. * TraceAbstraction took 812950.22 ms. Allocated memory was 250.1 MB in the beginning and 7.9 GB in the end (delta: 7.6 GB). Free memory was 201.3 MB in the beginning and 3.3 GB in the end (delta: -3.1 GB). Peak memory consumption was 6.8 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.3s, 138 ProgramPointsBefore, 137 ProgramPointsAfterwards, 99 TransitionsBefore, 98 TransitionsAfterwards, 2736 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 0 CheckedPairsTotal, 1 TotalNumberOfCompositions - TimeoutResultAtElement [Line: 48]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 48). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 137 places, 98 transitions, 348 flow. Already constructed 545196 states. Currently 168511 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 20 procedures, 81 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 812.3s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 812.3s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s 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