/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=35.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-08 13:56:10,210 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 13:56:10,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 13:56:10,247 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 13:56:10,247 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 13:56:10,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 13:56:10,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 13:56:10,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 13:56:10,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 13:56:10,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 13:56:10,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 13:56:10,266 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 13:56:10,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 13:56:10,269 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 13:56:10,271 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 13:56:10,272 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 13:56:10,273 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 13:56:10,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 13:56:10,277 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 13:56:10,283 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 13:56:10,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 13:56:10,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 13:56:10,287 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 13:56:10,288 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 13:56:10,300 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-08 13:56:10,300 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-08 13:56:10,301 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-08 13:56:10,301 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-08 13:56:10,302 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-08 13:56:10,302 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-08 13:56:10,303 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 13:56:10,305 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 13:56:10,306 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 13:56:10,306 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 13:56:10,307 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 13:56:10,307 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 13:56:10,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 13:56:10,309 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 13:56:10,309 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 13:56:10,310 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 13:56:10,311 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 13:56:10,312 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 [2020-10-08 13:56:10,359 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 13:56:10,359 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 13:56:10,361 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 13:56:10,361 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 13:56:10,361 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 13:56:10,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 13:56:10,361 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 13:56:10,362 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 13:56:10,362 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 13:56:10,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 13:56:10,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 13:56:10,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 13:56:10,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 13:56:10,363 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 13:56:10,363 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 13:56:10,363 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 13:56:10,363 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 13:56:10,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 13:56:10,364 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 13:56:10,364 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 13:56:10,364 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 13:56:10,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 13:56:10,364 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 13:56:10,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 13:56:10,365 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 13:56:10,365 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-08 13:56:10,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 13:56:10,365 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 13:56:10,365 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-08 13:56:10,366 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 13:56:10,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 13:56:10,649 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 13:56:10,654 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 13:56:10,657 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 13:56:10,660 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 13:56:10,661 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=35.bpl [2020-10-08 13:56:10,662 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=35.bpl' [2020-10-08 13:56:10,725 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 13:56:10,727 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 13:56:10,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 13:56:10,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 13:56:10,728 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 13:56:10,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=35.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:10" (1/1) ... [2020-10-08 13:56:10,757 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=35.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:10" (1/1) ... [2020-10-08 13:56:10,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 13:56:10,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 13:56:10,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 13:56:10,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 13:56:10,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=35.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:10" (1/1) ... [2020-10-08 13:56:10,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=35.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:10" (1/1) ... [2020-10-08 13:56:10,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=35.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:10" (1/1) ... [2020-10-08 13:56:10,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=35.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:10" (1/1) ... [2020-10-08 13:56:10,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=35.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:10" (1/1) ... [2020-10-08 13:56:10,809 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=35.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:10" (1/1) ... [2020-10-08 13:56:10,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=35.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:10" (1/1) ... [2020-10-08 13:56:10,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 13:56:10,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 13:56:10,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 13:56:10,825 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 13:56:10,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=35.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:10" (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 [2020-10-08 13:56:10,900 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-08 13:56:10,900 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-08 13:56:10,902 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-08 13:56:10,903 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-08 13:56:10,903 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-08 13:56:10,903 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-08 13:56:10,903 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-08 13:56:10,903 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-08 13:56:10,904 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-08 13:56:10,904 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-08 13:56:10,904 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-08 13:56:10,905 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-08 13:56:10,905 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-08 13:56:10,905 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-08 13:56:10,905 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-08 13:56:10,906 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-08 13:56:10,906 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-08 13:56:10,906 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-08 13:56:10,906 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-08 13:56:10,907 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-08 13:56:10,907 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-08 13:56:10,907 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-08 13:56:10,907 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-08 13:56:10,908 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-08 13:56:10,908 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-08 13:56:10,909 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-08 13:56:10,909 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-08 13:56:10,911 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-08 13:56:10,911 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-08 13:56:10,911 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-08 13:56:10,912 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-08 13:56:10,912 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-08 13:56:10,912 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-08 13:56:10,913 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-08 13:56:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-08 13:56:10,915 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-08 13:56:10,915 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-08 13:56:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-08 13:56:10,915 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-08 13:56:10,916 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 13:56:10,916 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 13:56:10,916 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 13:56:10,916 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 13:56:10,916 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 13:56:10,917 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 13:56:10,917 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 13:56:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 13:56:10,918 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 13:56:10,918 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 13:56:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 13:56:10,919 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 13:56:10,919 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 13:56:10,919 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 13:56:10,919 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 13:56:10,919 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 13:56:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 13:56:10,920 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 13:56:10,920 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 13:56:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 13:56:10,921 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 13:56:10,921 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 13:56:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 13:56:10,921 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 13:56:10,922 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 13:56:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 13:56:10,922 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 13:56:10,923 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-08 13:56:10,923 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-08 13:56:10,923 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-08 13:56:10,924 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-08 13:56:10,924 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-08 13:56:10,924 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-08 13:56:10,924 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread35 given in one single declaration [2020-10-08 13:56:10,925 INFO L130 BoogieDeclarations]: Found specification of procedure thread35 [2020-10-08 13:56:10,925 INFO L138 BoogieDeclarations]: Found implementation of procedure thread35 [2020-10-08 13:56:10,925 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-08 13:56:10,926 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-08 13:56:10,926 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-08 13:56:10,926 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 13:56:10,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 13:56:10,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 13:56:10,926 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-08 13:56:10,927 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-08 13:56:10,927 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-08 13:56:10,927 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-08 13:56:10,928 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-08 13:56:10,928 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-08 13:56:10,929 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-10-08 13:56:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-10-08 13:56:10,930 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-10-08 13:56:10,930 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 13:56:10,930 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 13:56:10,931 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 13:56:10,932 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-08 13:56:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-08 13:56:10,933 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-08 13:56:10,933 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-10-08 13:56:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-10-08 13:56:10,933 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-10-08 13:56:10,934 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 13:56:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 13:56:10,934 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 13:56:10,934 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-10-08 13:56:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-10-08 13:56:10,934 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-10-08 13:56:10,935 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 13:56:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 13:56:10,935 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 13:56:10,936 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-08 13:56:11,499 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 13:56:11,499 INFO L298 CfgBuilder]: Removed 35 assume(true) statements. [2020-10-08 13:56:11,501 INFO L202 PluginConnector]: Adding new model example2_N=35.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 01:56:11 BoogieIcfgContainer [2020-10-08 13:56:11,502 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 13:56:11,503 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 13:56:11,503 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 13:56:11,507 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 13:56:11,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=35.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:10" (1/2) ... [2020-10-08 13:56:11,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7399a568 and model type example2_N=35.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 01:56:11, skipping insertion in model container [2020-10-08 13:56:11,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=35.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 01:56:11" (2/2) ... [2020-10-08 13:56:11,511 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=35.bpl [2020-10-08 13:56:11,523 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 13:56:11,523 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 13:56:11,532 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 13:56:11,533 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 13:56:12,216 INFO L253 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2020-10-08 13:56:12,238 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 13:56:12,238 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 13:56:12,238 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 13:56:12,238 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 13:56:12,239 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 13:56:12,239 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 13:56:12,239 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 13:56:12,239 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 13:56:12,257 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-08 13:56:12,260 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 285 places, 214 transitions, 708 flow [2020-10-08 13:56:12,263 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 285 places, 214 transitions, 708 flow [2020-10-08 13:56:12,265 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 285 places, 214 transitions, 708 flow [2020-10-08 13:56:12,375 INFO L129 PetriNetUnfolder]: 35/179 cut-off events. [2020-10-08 13:56:12,375 INFO L130 PetriNetUnfolder]: For 35/35 co-relation queries the response was YES. [2020-10-08 13:56:12,387 INFO L80 FinitePrefix]: Finished finitePrefix Result has 320 conditions, 179 events. 35/179 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 255 event pairs, 0 based on Foata normal form. 0/143 useless extension candidates. Maximal degree in co-relation 207. Up to 2 conditions per place. [2020-10-08 13:56:12,404 INFO L117 LiptonReduction]: Number of co-enabled transitions 17850 [2020-10-08 13:56:13,259 INFO L132 LiptonReduction]: Checked pairs total: 28186 [2020-10-08 13:56:13,260 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-08 13:56:13,267 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 283 places, 212 transitions, 704 flow Received shutdown request... [2020-10-08 14:09:32,343 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-08 14:09:32,346 WARN L235 ceAbstractionStarter]: Timeout [2020-10-08 14:09:32,347 INFO L202 PluginConnector]: Adding new model example2_N=35.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 02:09:32 BasicIcfg [2020-10-08 14:09:32,347 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-08 14:09:32,360 INFO L168 Benchmark]: Toolchain (without parser) took 801624.80 ms. Allocated memory was 252.2 MB in the beginning and 8.3 GB in the end (delta: 8.1 GB). Free memory was 226.0 MB in the beginning and 2.3 GB in the end (delta: -2.1 GB). Peak memory consumption was 7.6 GB. Max. memory is 14.2 GB. [2020-10-08 14:09:32,360 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.44 ms. Allocated memory is still 252.2 MB. Free memory is still 228.6 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 14:09:32,361 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.26 ms. Allocated memory is still 252.2 MB. Free memory was 226.0 MB in the beginning and 223.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 14:09:32,362 INFO L168 Benchmark]: Boogie Preprocessor took 56.03 ms. Allocated memory is still 252.2 MB. Free memory is still 223.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 14:09:32,365 INFO L168 Benchmark]: RCFGBuilder took 676.97 ms. Allocated memory is still 252.2 MB. Free memory was 223.5 MB in the beginning and 188.3 MB in the end (delta: 35.2 MB). Peak memory consumption was 35.2 MB. Max. memory is 14.2 GB. [2020-10-08 14:09:32,368 INFO L168 Benchmark]: TraceAbstraction took 800846.74 ms. Allocated memory was 252.2 MB in the beginning and 8.3 GB in the end (delta: 8.1 GB). Free memory was 188.3 MB in the beginning and 2.3 GB in the end (delta: -2.1 GB). Peak memory consumption was 7.5 GB. Max. memory is 14.2 GB. [2020-10-08 14:09:32,374 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 0.44 ms. Allocated memory is still 252.2 MB. Free memory is still 228.6 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 40.26 ms. Allocated memory is still 252.2 MB. Free memory was 226.0 MB in the beginning and 223.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 56.03 ms. Allocated memory is still 252.2 MB. Free memory is still 223.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * RCFGBuilder took 676.97 ms. Allocated memory is still 252.2 MB. Free memory was 223.5 MB in the beginning and 188.3 MB in the end (delta: 35.2 MB). Peak memory consumption was 35.2 MB. Max. memory is 14.2 GB. * TraceAbstraction took 800846.74 ms. Allocated memory was 252.2 MB in the beginning and 8.3 GB in the end (delta: 8.1 GB). Free memory was 188.3 MB in the beginning and 2.3 GB in the end (delta: -2.1 GB). Peak memory consumption was 7.5 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 4829 VarBasedMoverChecksPositive, 170 VarBasedMoverChecksNegative, 102 SemBasedMoverChecksPositive, 68 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 4861 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 0.9s, 285 PlacesBefore, 283 PlacesAfterwards, 214 TransitionsBefore, 212 TransitionsAfterwards, 17850 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 28186 MoverChecksTotal - TimeoutResultAtElement [Line: 80]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 80). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 283 places, 212 transitions, 704 flow. Already constructed 865482 states. Currently 432743 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 180 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 800.1s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 800.1s, 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