/usr/bin/java -Xmx8000000000 -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=25.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b665a9c [2020-09-29 10:30:01,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-29 10:30:01,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-29 10:30:01,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-29 10:30:01,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-29 10:30:01,173 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-29 10:30:01,175 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-29 10:30:01,179 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-29 10:30:01,182 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-29 10:30:01,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-29 10:30:01,187 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-29 10:30:01,188 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-29 10:30:01,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-29 10:30:01,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-29 10:30:01,194 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-29 10:30:01,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-29 10:30:01,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-29 10:30:01,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-29 10:30:01,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-29 10:30:01,210 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-29 10:30:01,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-29 10:30:01,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-29 10:30:01,215 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-29 10:30:01,216 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-29 10:30:01,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-29 10:30:01,219 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-29 10:30:01,219 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-29 10:30:01,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-29 10:30:01,223 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-29 10:30:01,224 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-29 10:30:01,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-29 10:30:01,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-29 10:30:01,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-29 10:30:01,227 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-29 10:30:01,228 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-29 10:30:01,228 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-29 10:30:01,229 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-29 10:30:01,229 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-29 10:30:01,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-29 10:30:01,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-29 10:30:01,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-29 10:30:01,233 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 10:30:01,280 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-29 10:30:01,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-29 10:30:01,283 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-29 10:30:01,283 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-29 10:30:01,283 INFO L138 SettingsManager]: * Use SBE=true [2020-09-29 10:30:01,283 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-29 10:30:01,284 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-29 10:30:01,284 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-29 10:30:01,284 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-29 10:30:01,284 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-29 10:30:01,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-29 10:30:01,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-29 10:30:01,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-29 10:30:01,287 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-29 10:30:01,287 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-29 10:30:01,287 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-29 10:30:01,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-29 10:30:01,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-29 10:30:01,288 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-29 10:30:01,288 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-29 10:30:01,288 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-29 10:30:01,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-29 10:30:01,288 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-29 10:30:01,289 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-29 10:30:01,289 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-29 10:30:01,289 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-29 10:30:01,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-29 10:30:01,290 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-29 10:30:01,290 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-29 10:30:01,290 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-29 10:30:01,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-29 10:30:01,772 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-29 10:30:01,778 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-29 10:30:01,780 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-09-29 10:30:01,783 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-09-29 10:30:01,785 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=25.bpl [2020-09-29 10:30:01,785 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=25.bpl' [2020-09-29 10:30:01,864 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-29 10:30:01,871 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-29 10:30:01,872 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-29 10:30:01,872 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-29 10:30:01,873 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-29 10:30:01,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:01" (1/1) ... [2020-09-29 10:30:01,918 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:01" (1/1) ... [2020-09-29 10:30:01,933 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-29 10:30:01,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-29 10:30:01,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-29 10:30:01,934 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-29 10:30:01,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:01" (1/1) ... [2020-09-29 10:30:01,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:01" (1/1) ... [2020-09-29 10:30:01,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:01" (1/1) ... [2020-09-29 10:30:01,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:01" (1/1) ... [2020-09-29 10:30:01,973 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:01" (1/1) ... [2020-09-29 10:30:01,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:01" (1/1) ... [2020-09-29 10:30:01,999 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:01" (1/1) ... [2020-09-29 10:30:02,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-29 10:30:02,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-29 10:30:02,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-29 10:30:02,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-29 10:30:02,012 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:01" (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 10:30:02,099 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-09-29 10:30:02,099 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-09-29 10:30:02,100 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-09-29 10:30:02,100 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-09-29 10:30:02,100 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-09-29 10:30:02,100 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-09-29 10:30:02,101 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-09-29 10:30:02,101 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-09-29 10:30:02,101 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-09-29 10:30:02,101 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-09-29 10:30:02,101 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-09-29 10:30:02,102 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-09-29 10:30:02,102 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-09-29 10:30:02,102 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-09-29 10:30:02,102 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-09-29 10:30:02,103 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-09-29 10:30:02,103 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-09-29 10:30:02,103 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-09-29 10:30:02,103 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-09-29 10:30:02,103 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-09-29 10:30:02,103 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-09-29 10:30:02,104 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-09-29 10:30:02,104 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-09-29 10:30:02,104 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-09-29 10:30:02,104 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-09-29 10:30:02,104 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-09-29 10:30:02,105 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-09-29 10:30:02,105 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-09-29 10:30:02,105 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-09-29 10:30:02,105 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-09-29 10:30:02,106 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-09-29 10:30:02,106 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-09-29 10:30:02,106 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-09-29 10:30:02,106 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-09-29 10:30:02,106 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-09-29 10:30:02,107 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-09-29 10:30:02,107 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-09-29 10:30:02,107 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-09-29 10:30:02,107 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-09-29 10:30:02,107 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-09-29 10:30:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-09-29 10:30:02,108 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-09-29 10:30:02,108 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-09-29 10:30:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-09-29 10:30:02,108 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-09-29 10:30:02,109 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-09-29 10:30:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-09-29 10:30:02,109 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-09-29 10:30:02,109 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-09-29 10:30:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-09-29 10:30:02,110 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-09-29 10:30:02,110 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-09-29 10:30:02,110 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-09-29 10:30:02,110 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-09-29 10:30:02,110 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-09-29 10:30:02,111 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-09-29 10:30:02,111 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-09-29 10:30:02,111 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-09-29 10:30:02,111 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-09-29 10:30:02,111 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-09-29 10:30:02,112 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-09-29 10:30:02,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-29 10:30:02,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-29 10:30:02,112 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-09-29 10:30:02,112 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-09-29 10:30:02,112 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-09-29 10:30:02,113 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-09-29 10:30:02,113 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-09-29 10:30:02,113 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-09-29 10:30:02,113 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-09-29 10:30:02,113 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-09-29 10:30:02,114 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-09-29 10:30:02,114 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-09-29 10:30:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-09-29 10:30:02,114 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-09-29 10:30:02,114 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-09-29 10:30:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-09-29 10:30:02,115 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-09-29 10:30:02,117 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 10:30:02,454 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-29 10:30:02,454 INFO L298 CfgBuilder]: Removed 25 assume(true) statements. [2020-09-29 10:30:02,460 INFO L202 PluginConnector]: Adding new model example2_N=25.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 10:30:02 BoogieIcfgContainer [2020-09-29 10:30:02,460 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-29 10:30:02,462 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-29 10:30:02,462 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-29 10:30:02,465 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-29 10:30:02,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:01" (1/2) ... [2020-09-29 10:30:02,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a8d6fce and model type example2_N=25.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 10:30:02, skipping insertion in model container [2020-09-29 10:30:02,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=25.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 10:30:02" (2/2) ... [2020-09-29 10:30:02,470 INFO L109 eAbstractionObserver]: Analyzing ICFG example2_N=25.bpl [2020-09-29 10:30:02,483 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-29 10:30:02,484 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-29 10:30:02,494 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-29 10:30:02,496 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-29 10:30:02,994 INFO L251 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2020-09-29 10:30:03,017 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-29 10:30:03,017 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-29 10:30:03,018 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-29 10:30:03,018 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-29 10:30:03,018 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-29 10:30:03,018 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-29 10:30:03,018 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-29 10:30:03,018 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-29 10:30:03,053 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 180 places, 129 transitions, 458 flow [2020-09-29 10:30:03,055 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 180 places, 129 transitions, 458 flow [2020-09-29 10:30:03,142 INFO L129 PetriNetUnfolder]: 25/104 cut-off events. [2020-09-29 10:30:03,142 INFO L130 PetriNetUnfolder]: For 25/25 co-relation queries the response was YES. [2020-09-29 10:30:03,152 INFO L80 FinitePrefix]: Finished finitePrefix Result has 205 conditions, 104 events. 25/104 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 81 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 122. Up to 2 conditions per place. [2020-09-29 10:30:03,159 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 180 places, 129 transitions, 458 flow [2020-09-29 10:30:03,226 INFO L129 PetriNetUnfolder]: 25/104 cut-off events. [2020-09-29 10:30:03,227 INFO L130 PetriNetUnfolder]: For 25/25 co-relation queries the response was YES. [2020-09-29 10:30:03,232 INFO L80 FinitePrefix]: Finished finitePrefix Result has 205 conditions, 104 events. 25/104 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 81 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 122. Up to 2 conditions per place. [2020-09-29 10:30:03,237 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 4800 [2020-09-29 10:30:03,239 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-29 10:30:03,384 INFO L206 etLargeBlockEncoding]: Checked pairs total: 0 [2020-09-29 10:30:03,385 INFO L214 etLargeBlockEncoding]: Total number of compositions: 1 [2020-09-29 10:30:03,389 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 179 places, 128 transitions, 456 flow Received shutdown request... [2020-09-29 10:43:06,366 WARN L544 AbstractCegarLoop]: Verification canceled [2020-09-29 10:43:06,370 WARN L228 ceAbstractionStarter]: Timeout [2020-09-29 10:43:06,370 INFO L202 PluginConnector]: Adding new model example2_N=25.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 10:43:06 BasicIcfg [2020-09-29 10:43:06,371 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-29 10:43:06,374 INFO L168 Benchmark]: Toolchain (without parser) took 784506.86 ms. Allocated memory was 114.8 MB in the beginning and 7.0 GB in the end (delta: 6.9 GB). Free memory was 89.2 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 6.3 GB. Max. memory is 7.1 GB. [2020-09-29 10:43:06,381 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.63 ms. Allocated memory is still 114.8 MB. Free memory was 91.0 MB in the beginning and 90.9 MB in the end (delta: 105.0 kB). Peak memory consumption was 105.0 kB. Max. memory is 7.1 GB. [2020-09-29 10:43:06,384 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.09 ms. Allocated memory is still 114.8 MB. Free memory was 88.8 MB in the beginning and 86.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-09-29 10:43:06,387 INFO L168 Benchmark]: Boogie Preprocessor took 75.23 ms. Allocated memory is still 114.8 MB. Free memory was 86.9 MB in the beginning and 85.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2020-09-29 10:43:06,389 INFO L168 Benchmark]: RCFGBuilder took 451.16 ms. Allocated memory was 114.8 MB in the beginning and 130.5 MB in the end (delta: 15.7 MB). Free memory was 85.2 MB in the beginning and 104.6 MB in the end (delta: -19.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2020-09-29 10:43:06,391 INFO L168 Benchmark]: TraceAbstraction took 783909.04 ms. Allocated memory was 130.5 MB in the beginning and 7.0 GB in the end (delta: 6.9 GB). Free memory was 104.2 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 6.3 GB. Max. memory is 7.1 GB. [2020-09-29 10:43:06,399 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 0.63 ms. Allocated memory is still 114.8 MB. Free memory was 91.0 MB in the beginning and 90.9 MB in the end (delta: 105.0 kB). Peak memory consumption was 105.0 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 61.09 ms. Allocated memory is still 114.8 MB. Free memory was 88.8 MB in the beginning and 86.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 75.23 ms. Allocated memory is still 114.8 MB. Free memory was 86.9 MB in the beginning and 85.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 451.16 ms. Allocated memory was 114.8 MB in the beginning and 130.5 MB in the end (delta: 15.7 MB). Free memory was 85.2 MB in the beginning and 104.6 MB in the end (delta: -19.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 783909.04 ms. Allocated memory was 130.5 MB in the beginning and 7.0 GB in the end (delta: 6.9 GB). Free memory was 104.2 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 6.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.3s, 180 ProgramPointsBefore, 179 ProgramPointsAfterwards, 129 TransitionsBefore, 128 TransitionsAfterwards, 4800 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: 60]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 60). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 179 places, 128 transitions, 456 flow. Already constructed 657292 states. Currently 251064 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 105 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 783.3s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 783.3s, 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