/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=39.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b665a9c [2020-09-29 12:29:36,223 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-29 12:29:36,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-29 12:29:36,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-29 12:29:36,256 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-29 12:29:36,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-29 12:29:36,259 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-29 12:29:36,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-29 12:29:36,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-29 12:29:36,264 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-29 12:29:36,265 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-29 12:29:36,266 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-29 12:29:36,267 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-29 12:29:36,268 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-29 12:29:36,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-29 12:29:36,271 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-29 12:29:36,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-29 12:29:36,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-29 12:29:36,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-29 12:29:36,276 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-29 12:29:36,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-29 12:29:36,279 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-29 12:29:36,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-29 12:29:36,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-29 12:29:36,284 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-29 12:29:36,285 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-29 12:29:36,285 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-29 12:29:36,286 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-29 12:29:36,287 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-29 12:29:36,288 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-29 12:29:36,288 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-29 12:29:36,289 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-29 12:29:36,290 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-29 12:29:36,291 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-29 12:29:36,292 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-29 12:29:36,293 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-29 12:29:36,294 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-29 12:29:36,294 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-29 12:29:36,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-29 12:29:36,295 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-29 12:29:36,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-29 12:29:36,297 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 12:29:36,335 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-29 12:29:36,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-29 12:29:36,336 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-29 12:29:36,339 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-29 12:29:36,339 INFO L138 SettingsManager]: * Use SBE=true [2020-09-29 12:29:36,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-29 12:29:36,340 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-29 12:29:36,340 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-29 12:29:36,340 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-29 12:29:36,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-29 12:29:36,340 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-29 12:29:36,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-29 12:29:36,341 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-29 12:29:36,341 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-29 12:29:36,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-29 12:29:36,341 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-29 12:29:36,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-29 12:29:36,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-29 12:29:36,344 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-29 12:29:36,344 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-29 12:29:36,345 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-29 12:29:36,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-29 12:29:36,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-29 12:29:36,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-29 12:29:36,345 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-29 12:29:36,346 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-29 12:29:36,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-29 12:29:36,346 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-29 12:29:36,346 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-29 12:29:36,346 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-29 12:29:36,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-29 12:29:36,813 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-29 12:29:36,818 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-29 12:29:36,820 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-09-29 12:29:36,824 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-09-29 12:29:36,826 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=39.bpl [2020-09-29 12:29:36,828 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=39.bpl' [2020-09-29 12:29:36,908 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-29 12:29:36,915 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-29 12:29:36,916 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-29 12:29:36,916 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-29 12:29:36,917 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-29 12:29:36,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=39.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:29:36" (1/1) ... [2020-09-29 12:29:36,963 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=39.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:29:36" (1/1) ... [2020-09-29 12:29:36,977 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-29 12:29:36,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-29 12:29:36,979 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-29 12:29:36,979 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-29 12:29:36,994 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=39.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:29:36" (1/1) ... [2020-09-29 12:29:36,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=39.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:29:36" (1/1) ... [2020-09-29 12:29:37,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=39.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:29:36" (1/1) ... [2020-09-29 12:29:37,009 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=39.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:29:36" (1/1) ... [2020-09-29 12:29:37,035 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=39.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:29:36" (1/1) ... [2020-09-29 12:29:37,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=39.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:29:36" (1/1) ... [2020-09-29 12:29:37,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=39.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:29:36" (1/1) ... [2020-09-29 12:29:37,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-29 12:29:37,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-29 12:29:37,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-29 12:29:37,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-29 12:29:37,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=39.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:29:36" (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 12:29:37,159 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-09-29 12:29:37,159 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-09-29 12:29:37,160 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-09-29 12:29:37,160 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-09-29 12:29:37,160 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-09-29 12:29:37,160 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-09-29 12:29:37,160 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-09-29 12:29:37,161 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-09-29 12:29:37,161 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-09-29 12:29:37,161 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-09-29 12:29:37,161 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-09-29 12:29:37,162 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-09-29 12:29:37,162 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-09-29 12:29:37,162 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-09-29 12:29:37,162 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-09-29 12:29:37,162 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-09-29 12:29:37,163 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-09-29 12:29:37,163 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-09-29 12:29:37,163 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-09-29 12:29:37,163 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-09-29 12:29:37,164 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-09-29 12:29:37,164 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-09-29 12:29:37,164 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-09-29 12:29:37,164 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-09-29 12:29:37,164 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-09-29 12:29:37,165 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-09-29 12:29:37,165 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-09-29 12:29:37,165 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-09-29 12:29:37,165 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-09-29 12:29:37,165 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-09-29 12:29:37,169 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-09-29 12:29:37,169 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-09-29 12:29:37,169 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-09-29 12:29:37,170 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread39 given in one single declaration [2020-09-29 12:29:37,170 INFO L130 BoogieDeclarations]: Found specification of procedure thread39 [2020-09-29 12:29:37,170 INFO L138 BoogieDeclarations]: Found implementation of procedure thread39 [2020-09-29 12:29:37,170 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-09-29 12:29:37,170 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-09-29 12:29:37,171 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-09-29 12:29:37,171 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-09-29 12:29:37,171 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-09-29 12:29:37,171 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-09-29 12:29:37,172 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-09-29 12:29:37,174 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-09-29 12:29:37,174 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-09-29 12:29:37,174 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-09-29 12:29:37,175 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-09-29 12:29:37,175 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-09-29 12:29:37,175 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-09-29 12:29:37,175 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-09-29 12:29:37,176 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-09-29 12:29:37,176 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-09-29 12:29:37,176 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-09-29 12:29:37,176 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-09-29 12:29:37,177 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-09-29 12:29:37,179 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-09-29 12:29:37,179 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-09-29 12:29:37,179 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-09-29 12:29:37,180 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-09-29 12:29:37,180 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-09-29 12:29:37,180 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-09-29 12:29:37,180 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-09-29 12:29:37,180 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-09-29 12:29:37,181 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-09-29 12:29:37,181 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-09-29 12:29:37,181 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-09-29 12:29:37,181 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-09-29 12:29:37,182 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-09-29 12:29:37,182 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-09-29 12:29:37,183 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-09-29 12:29:37,183 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-09-29 12:29:37,183 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-09-29 12:29:37,183 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread36 given in one single declaration [2020-09-29 12:29:37,183 INFO L130 BoogieDeclarations]: Found specification of procedure thread36 [2020-09-29 12:29:37,183 INFO L138 BoogieDeclarations]: Found implementation of procedure thread36 [2020-09-29 12:29:37,184 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-09-29 12:29:37,184 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-09-29 12:29:37,184 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-09-29 12:29:37,184 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread35 given in one single declaration [2020-09-29 12:29:37,184 INFO L130 BoogieDeclarations]: Found specification of procedure thread35 [2020-09-29 12:29:37,185 INFO L138 BoogieDeclarations]: Found implementation of procedure thread35 [2020-09-29 12:29:37,185 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-09-29 12:29:37,185 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-09-29 12:29:37,185 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-09-29 12:29:37,186 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-09-29 12:29:37,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-29 12:29:37,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-29 12:29:37,187 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread38 given in one single declaration [2020-09-29 12:29:37,187 INFO L130 BoogieDeclarations]: Found specification of procedure thread38 [2020-09-29 12:29:37,188 INFO L138 BoogieDeclarations]: Found implementation of procedure thread38 [2020-09-29 12:29:37,189 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-09-29 12:29:37,189 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-09-29 12:29:37,189 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-09-29 12:29:37,190 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread37 given in one single declaration [2020-09-29 12:29:37,190 INFO L130 BoogieDeclarations]: Found specification of procedure thread37 [2020-09-29 12:29:37,190 INFO L138 BoogieDeclarations]: Found implementation of procedure thread37 [2020-09-29 12:29:37,191 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-09-29 12:29:37,191 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-09-29 12:29:37,191 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-09-29 12:29:37,191 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-09-29 12:29:37,191 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-09-29 12:29:37,191 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-09-29 12:29:37,192 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-09-29 12:29:37,192 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-09-29 12:29:37,192 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-09-29 12:29:37,192 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-09-29 12:29:37,192 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-09-29 12:29:37,193 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-09-29 12:29:37,194 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-09-29 12:29:37,194 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-09-29 12:29:37,198 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-09-29 12:29:37,198 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-09-29 12:29:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-09-29 12:29:37,198 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-09-29 12:29:37,199 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-09-29 12:29:37,199 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-09-29 12:29:37,199 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-09-29 12:29:37,199 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-09-29 12:29:37,199 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-09-29 12:29:37,199 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-09-29 12:29:37,202 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 12:29:37,755 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-29 12:29:37,755 INFO L298 CfgBuilder]: Removed 39 assume(true) statements. [2020-09-29 12:29:37,760 INFO L202 PluginConnector]: Adding new model example2_N=39.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 12:29:37 BoogieIcfgContainer [2020-09-29 12:29:37,761 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-29 12:29:37,762 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-29 12:29:37,762 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-29 12:29:37,766 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-29 12:29:37,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=39.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:29:36" (1/2) ... [2020-09-29 12:29:37,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5042036e and model type example2_N=39.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 12:29:37, skipping insertion in model container [2020-09-29 12:29:37,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=39.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 12:29:37" (2/2) ... [2020-09-29 12:29:37,770 INFO L109 eAbstractionObserver]: Analyzing ICFG example2_N=39.bpl [2020-09-29 12:29:37,782 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-29 12:29:37,782 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-29 12:29:37,793 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-29 12:29:37,794 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-29 12:29:38,701 INFO L251 AbstractCegarLoop]: Starting to check reachability of 40 error locations. [2020-09-29 12:29:38,727 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-29 12:29:38,728 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-29 12:29:38,728 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-29 12:29:38,728 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-29 12:29:38,728 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-29 12:29:38,728 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-29 12:29:38,729 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-29 12:29:38,729 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-29 12:29:38,763 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 278 places, 199 transitions, 710 flow [2020-09-29 12:29:38,765 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 278 places, 199 transitions, 710 flow [2020-09-29 12:29:38,883 INFO L129 PetriNetUnfolder]: 39/160 cut-off events. [2020-09-29 12:29:38,883 INFO L130 PetriNetUnfolder]: For 39/39 co-relation queries the response was YES. [2020-09-29 12:29:38,895 INFO L80 FinitePrefix]: Finished finitePrefix Result has 317 conditions, 160 events. 39/160 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 119 event pairs, 0 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 192. Up to 2 conditions per place. [2020-09-29 12:29:38,909 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 278 places, 199 transitions, 710 flow [2020-09-29 12:29:39,000 INFO L129 PetriNetUnfolder]: 39/160 cut-off events. [2020-09-29 12:29:39,001 INFO L130 PetriNetUnfolder]: For 39/39 co-relation queries the response was YES. [2020-09-29 12:29:39,004 INFO L80 FinitePrefix]: Finished finitePrefix Result has 317 conditions, 160 events. 39/160 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 119 event pairs, 0 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 192. Up to 2 conditions per place. [2020-09-29 12:29:39,016 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 11856 [2020-09-29 12:29:39,017 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-29 12:29:39,249 INFO L206 etLargeBlockEncoding]: Checked pairs total: 0 [2020-09-29 12:29:39,249 INFO L214 etLargeBlockEncoding]: Total number of compositions: 1 [2020-09-29 12:29:39,253 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 277 places, 198 transitions, 708 flow Received shutdown request... [2020-09-29 12:43:01,565 WARN L544 AbstractCegarLoop]: Verification canceled [2020-09-29 12:43:01,569 WARN L228 ceAbstractionStarter]: Timeout [2020-09-29 12:43:01,570 INFO L202 PluginConnector]: Adding new model example2_N=39.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 12:43:01 BasicIcfg [2020-09-29 12:43:01,570 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-29 12:43:01,573 INFO L168 Benchmark]: Toolchain (without parser) took 804662.28 ms. Allocated memory was 251.1 MB in the beginning and 9.3 GB in the end (delta: 9.0 GB). Free memory was 225.0 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 8.3 GB. Max. memory is 14.2 GB. [2020-09-29 12:43:01,582 INFO L168 Benchmark]: Boogie PL CUP Parser took 1.40 ms. Allocated memory is still 251.1 MB. Free memory is still 227.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-09-29 12:43:01,584 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.11 ms. Allocated memory is still 251.1 MB. Free memory was 225.0 MB in the beginning and 222.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-09-29 12:43:01,587 INFO L168 Benchmark]: Boogie Preprocessor took 92.24 ms. Allocated memory is still 251.1 MB. Free memory was 222.5 MB in the beginning and 220.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-09-29 12:43:01,588 INFO L168 Benchmark]: RCFGBuilder took 689.76 ms. Allocated memory is still 251.1 MB. Free memory was 220.0 MB in the beginning and 189.8 MB in the end (delta: 30.2 MB). Peak memory consumption was 30.2 MB. Max. memory is 14.2 GB. [2020-09-29 12:43:01,589 INFO L168 Benchmark]: TraceAbstraction took 803807.98 ms. Allocated memory was 251.1 MB in the beginning and 9.3 GB in the end (delta: 9.0 GB). Free memory was 189.8 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 8.2 GB. Max. memory is 14.2 GB. [2020-09-29 12:43:01,595 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 1.40 ms. Allocated memory is still 251.1 MB. Free memory is still 227.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 62.11 ms. Allocated memory is still 251.1 MB. Free memory was 225.0 MB in the beginning and 222.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 92.24 ms. Allocated memory is still 251.1 MB. Free memory was 222.5 MB in the beginning and 220.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 689.76 ms. Allocated memory is still 251.1 MB. Free memory was 220.0 MB in the beginning and 189.8 MB in the end (delta: 30.2 MB). Peak memory consumption was 30.2 MB. Max. memory is 14.2 GB. * TraceAbstraction took 803807.98 ms. Allocated memory was 251.1 MB in the beginning and 9.3 GB in the end (delta: 9.0 GB). Free memory was 189.8 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 8.2 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.4s, 278 ProgramPointsBefore, 277 ProgramPointsAfterwards, 199 TransitionsBefore, 198 TransitionsAfterwards, 11856 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: 88]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 88). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 277 places, 198 transitions, 708 flow. Already constructed 721933 states. Currently 275794 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 161 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 802.8s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 802.8s, 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