/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=51.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-50b6972 [2020-10-06 19:30:38,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 19:30:38,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 19:30:38,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 19:30:38,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 19:30:38,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 19:30:38,240 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 19:30:38,244 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 19:30:38,246 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 19:30:38,250 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 19:30:38,251 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 19:30:38,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 19:30:38,252 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 19:30:38,255 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 19:30:38,257 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 19:30:38,259 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 19:30:38,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 19:30:38,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 19:30:38,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 19:30:38,270 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 19:30:38,272 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 19:30:38,273 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 19:30:38,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 19:30:38,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 19:30:38,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-06 19:30:38,278 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-06 19:30:38,278 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-06 19:30:38,282 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-06 19:30:38,283 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-06 19:30:38,284 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-06 19:30:38,284 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 19:30:38,288 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 19:30:38,288 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 19:30:38,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 19:30:38,289 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 19:30:38,289 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 19:30:38,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 19:30:38,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 19:30:38,293 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 19:30:38,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 19:30:38,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 19:30:38,296 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 [2020-10-06 19:30:38,338 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 19:30:38,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 19:30:38,340 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 19:30:38,340 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 19:30:38,340 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 19:30:38,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 19:30:38,341 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 19:30:38,341 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 19:30:38,341 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 19:30:38,341 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 19:30:38,342 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 19:30:38,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 19:30:38,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 19:30:38,343 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 19:30:38,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 19:30:38,344 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 19:30:38,344 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 19:30:38,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 19:30:38,344 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 19:30:38,344 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 19:30:38,344 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 19:30:38,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 19:30:38,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 19:30:38,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-06 19:30:38,345 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 19:30:38,345 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 19:30:38,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 19:30:38,346 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 19:30:38,346 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-06 19:30:38,346 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-06 19:30:38,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 19:30:38,641 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 19:30:38,645 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 19:30:38,646 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-06 19:30:38,648 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-06 19:30:38,649 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=51.bpl [2020-10-06 19:30:38,649 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=51.bpl' [2020-10-06 19:30:38,715 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 19:30:38,717 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-06 19:30:38,718 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 19:30:38,718 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 19:30:38,718 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 19:30:38,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:38" (1/1) ... [2020-10-06 19:30:38,749 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:38" (1/1) ... [2020-10-06 19:30:38,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 19:30:38,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 19:30:38,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 19:30:38,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 19:30:38,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:38" (1/1) ... [2020-10-06 19:30:38,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:38" (1/1) ... [2020-10-06 19:30:38,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:38" (1/1) ... [2020-10-06 19:30:38,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:38" (1/1) ... [2020-10-06 19:30:38,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:38" (1/1) ... [2020-10-06 19:30:38,809 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:38" (1/1) ... [2020-10-06 19:30:38,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:38" (1/1) ... [2020-10-06 19:30:38,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 19:30:38,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 19:30:38,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 19:30:38,832 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 19:30:38,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:38" (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 [2020-10-06 19:30:38,918 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-06 19:30:38,918 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-06 19:30:38,918 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-06 19:30:38,918 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-06 19:30:38,919 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-06 19:30:38,919 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-06 19:30:38,919 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-06 19:30:38,919 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-06 19:30:38,920 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-06 19:30:38,920 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-06 19:30:38,920 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-06 19:30:38,920 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-06 19:30:38,920 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-06 19:30:38,921 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-06 19:30:38,921 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-06 19:30:38,921 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-06 19:30:38,921 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-06 19:30:38,921 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-06 19:30:38,922 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-06 19:30:38,922 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-06 19:30:38,922 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-06 19:30:38,922 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-06 19:30:38,922 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-06 19:30:38,922 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-06 19:30:38,923 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-06 19:30:38,923 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-06 19:30:38,923 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-06 19:30:38,923 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-06 19:30:38,923 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-06 19:30:38,924 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-06 19:30:38,924 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread39 given in one single declaration [2020-10-06 19:30:38,924 INFO L130 BoogieDeclarations]: Found specification of procedure thread39 [2020-10-06 19:30:38,924 INFO L138 BoogieDeclarations]: Found implementation of procedure thread39 [2020-10-06 19:30:38,924 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-06 19:30:38,924 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-06 19:30:38,925 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-06 19:30:38,925 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-06 19:30:38,925 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-06 19:30:38,925 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-06 19:30:38,925 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-06 19:30:38,925 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-06 19:30:38,926 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-06 19:30:38,926 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-06 19:30:38,926 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-06 19:30:38,926 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-06 19:30:38,926 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-06 19:30:38,927 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-06 19:30:38,927 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-06 19:30:38,927 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-06 19:30:38,927 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-06 19:30:38,927 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-06 19:30:38,927 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-06 19:30:38,928 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-06 19:30:38,928 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-06 19:30:38,928 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-06 19:30:38,928 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-06 19:30:38,928 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-06 19:30:38,928 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-06 19:30:38,929 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-06 19:30:38,929 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-06 19:30:38,929 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-06 19:30:38,929 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-06 19:30:38,929 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-06 19:30:38,929 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread36 given in one single declaration [2020-10-06 19:30:38,930 INFO L130 BoogieDeclarations]: Found specification of procedure thread36 [2020-10-06 19:30:38,930 INFO L138 BoogieDeclarations]: Found implementation of procedure thread36 [2020-10-06 19:30:38,930 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread35 given in one single declaration [2020-10-06 19:30:38,930 INFO L130 BoogieDeclarations]: Found specification of procedure thread35 [2020-10-06 19:30:38,930 INFO L138 BoogieDeclarations]: Found implementation of procedure thread35 [2020-10-06 19:30:38,931 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread38 given in one single declaration [2020-10-06 19:30:38,931 INFO L130 BoogieDeclarations]: Found specification of procedure thread38 [2020-10-06 19:30:38,931 INFO L138 BoogieDeclarations]: Found implementation of procedure thread38 [2020-10-06 19:30:38,931 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread37 given in one single declaration [2020-10-06 19:30:38,931 INFO L130 BoogieDeclarations]: Found specification of procedure thread37 [2020-10-06 19:30:38,932 INFO L138 BoogieDeclarations]: Found implementation of procedure thread37 [2020-10-06 19:30:38,932 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-10-06 19:30:38,932 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-10-06 19:30:38,932 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-10-06 19:30:38,932 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-06 19:30:38,932 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-06 19:30:38,933 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-06 19:30:38,933 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-10-06 19:30:38,933 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-10-06 19:30:38,933 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-10-06 19:30:38,933 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-10-06 19:30:38,933 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-10-06 19:30:38,933 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-10-06 19:30:38,934 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread41 given in one single declaration [2020-10-06 19:30:38,934 INFO L130 BoogieDeclarations]: Found specification of procedure thread41 [2020-10-06 19:30:38,934 INFO L138 BoogieDeclarations]: Found implementation of procedure thread41 [2020-10-06 19:30:38,934 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread40 given in one single declaration [2020-10-06 19:30:38,934 INFO L130 BoogieDeclarations]: Found specification of procedure thread40 [2020-10-06 19:30:38,935 INFO L138 BoogieDeclarations]: Found implementation of procedure thread40 [2020-10-06 19:30:38,935 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread47 given in one single declaration [2020-10-06 19:30:38,935 INFO L130 BoogieDeclarations]: Found specification of procedure thread47 [2020-10-06 19:30:38,935 INFO L138 BoogieDeclarations]: Found implementation of procedure thread47 [2020-10-06 19:30:38,935 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread46 given in one single declaration [2020-10-06 19:30:38,936 INFO L130 BoogieDeclarations]: Found specification of procedure thread46 [2020-10-06 19:30:38,936 INFO L138 BoogieDeclarations]: Found implementation of procedure thread46 [2020-10-06 19:30:38,936 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread49 given in one single declaration [2020-10-06 19:30:38,936 INFO L130 BoogieDeclarations]: Found specification of procedure thread49 [2020-10-06 19:30:38,936 INFO L138 BoogieDeclarations]: Found implementation of procedure thread49 [2020-10-06 19:30:38,937 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread48 given in one single declaration [2020-10-06 19:30:38,937 INFO L130 BoogieDeclarations]: Found specification of procedure thread48 [2020-10-06 19:30:38,937 INFO L138 BoogieDeclarations]: Found implementation of procedure thread48 [2020-10-06 19:30:38,937 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread43 given in one single declaration [2020-10-06 19:30:38,937 INFO L130 BoogieDeclarations]: Found specification of procedure thread43 [2020-10-06 19:30:38,937 INFO L138 BoogieDeclarations]: Found implementation of procedure thread43 [2020-10-06 19:30:38,938 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread42 given in one single declaration [2020-10-06 19:30:38,938 INFO L130 BoogieDeclarations]: Found specification of procedure thread42 [2020-10-06 19:30:38,938 INFO L138 BoogieDeclarations]: Found implementation of procedure thread42 [2020-10-06 19:30:38,938 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread45 given in one single declaration [2020-10-06 19:30:38,938 INFO L130 BoogieDeclarations]: Found specification of procedure thread45 [2020-10-06 19:30:38,939 INFO L138 BoogieDeclarations]: Found implementation of procedure thread45 [2020-10-06 19:30:38,939 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread44 given in one single declaration [2020-10-06 19:30:38,939 INFO L130 BoogieDeclarations]: Found specification of procedure thread44 [2020-10-06 19:30:38,939 INFO L138 BoogieDeclarations]: Found implementation of procedure thread44 [2020-10-06 19:30:38,939 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-06 19:30:38,939 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-06 19:30:38,940 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-06 19:30:38,940 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-06 19:30:38,940 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-06 19:30:38,940 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-06 19:30:38,940 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-06 19:30:38,940 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-06 19:30:38,941 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-06 19:30:38,941 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread50 given in one single declaration [2020-10-06 19:30:38,941 INFO L130 BoogieDeclarations]: Found specification of procedure thread50 [2020-10-06 19:30:38,941 INFO L138 BoogieDeclarations]: Found implementation of procedure thread50 [2020-10-06 19:30:38,941 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread51 given in one single declaration [2020-10-06 19:30:38,941 INFO L130 BoogieDeclarations]: Found specification of procedure thread51 [2020-10-06 19:30:38,942 INFO L138 BoogieDeclarations]: Found implementation of procedure thread51 [2020-10-06 19:30:38,942 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-06 19:30:38,942 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-06 19:30:38,942 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-06 19:30:38,942 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-06 19:30:38,942 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-06 19:30:38,943 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-06 19:30:38,943 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-06 19:30:38,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 19:30:38,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 19:30:38,943 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-06 19:30:38,943 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-06 19:30:38,943 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-06 19:30:38,944 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-06 19:30:38,944 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-06 19:30:38,944 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-06 19:30:38,944 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-06 19:30:38,944 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-06 19:30:38,945 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-06 19:30:38,945 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-06 19:30:38,945 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-06 19:30:38,945 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-06 19:30:38,945 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-06 19:30:38,945 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-06 19:30:38,946 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-06 19:30:38,947 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-06 19:30:39,493 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 19:30:39,493 INFO L298 CfgBuilder]: Removed 51 assume(true) statements. [2020-10-06 19:30:39,496 INFO L202 PluginConnector]: Adding new model example2_N=51.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 07:30:39 BoogieIcfgContainer [2020-10-06 19:30:39,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 19:30:39,498 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 19:30:39,498 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 19:30:39,501 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 19:30:39,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:38" (1/2) ... [2020-10-06 19:30:39,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bf72591 and model type example2_N=51.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 07:30:39, skipping insertion in model container [2020-10-06 19:30:39,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=51.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 07:30:39" (2/2) ... [2020-10-06 19:30:39,504 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=51.bpl [2020-10-06 19:30:39,516 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 19:30:39,516 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-06 19:30:39,524 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 19:30:39,525 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 19:30:40,638 INFO L253 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2020-10-06 19:30:40,660 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-06 19:30:40,660 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-06 19:30:40,661 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-06 19:30:40,661 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-06 19:30:40,661 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 19:30:40,661 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-06 19:30:40,661 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 19:30:40,662 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 19:30:40,685 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-06 19:30:40,688 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 413 places, 310 transitions, 1028 flow [2020-10-06 19:30:40,691 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 413 places, 310 transitions, 1028 flow [2020-10-06 19:30:40,693 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 413 places, 310 transitions, 1028 flow [2020-10-06 19:30:40,869 INFO L129 PetriNetUnfolder]: 51/259 cut-off events. [2020-10-06 19:30:40,869 INFO L130 PetriNetUnfolder]: For 51/51 co-relation queries the response was YES. [2020-10-06 19:30:40,897 INFO L80 FinitePrefix]: Finished finitePrefix Result has 464 conditions, 259 events. 51/259 cut-off events. For 51/51 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 355 event pairs, 0 based on Foata normal form. 0/207 useless extension candidates. Maximal degree in co-relation 303. Up to 2 conditions per place. [2020-10-06 19:30:40,935 INFO L117 LiptonReduction]: Number of co-enabled transitions 38250 [2020-10-06 19:30:42,068 INFO L132 LiptonReduction]: Checked pairs total: 60650 [2020-10-06 19:30:42,068 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-06 19:30:42,075 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 411 places, 308 transitions, 1024 flow Received shutdown request... [2020-10-06 19:43:39,267 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-06 19:43:39,270 WARN L235 ceAbstractionStarter]: Timeout [2020-10-06 19:43:39,270 INFO L202 PluginConnector]: Adding new model example2_N=51.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 07:43:39 BasicIcfg [2020-10-06 19:43:39,272 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 19:43:39,275 INFO L168 Benchmark]: Toolchain (without parser) took 780557.16 ms. Allocated memory was 251.7 MB in the beginning and 10.8 GB in the end (delta: 10.5 GB). Free memory was 223.0 MB in the beginning and 4.4 GB in the end (delta: -4.2 GB). Peak memory consumption was 9.5 GB. Max. memory is 14.2 GB. [2020-10-06 19:43:39,275 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 251.7 MB. Free memory is still 225.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 19:43:39,277 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.46 ms. Allocated memory is still 251.7 MB. Free memory was 223.0 MB in the beginning and 220.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-06 19:43:39,277 INFO L168 Benchmark]: Boogie Preprocessor took 67.01 ms. Allocated memory is still 251.7 MB. Free memory was 220.5 MB in the beginning and 218.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-06 19:43:39,278 INFO L168 Benchmark]: RCFGBuilder took 665.18 ms. Allocated memory is still 251.7 MB. Free memory was 218.0 MB in the beginning and 172.7 MB in the end (delta: 45.3 MB). Peak memory consumption was 45.3 MB. Max. memory is 14.2 GB. [2020-10-06 19:43:39,279 INFO L168 Benchmark]: TraceAbstraction took 779774.78 ms. Allocated memory was 251.7 MB in the beginning and 10.8 GB in the end (delta: 10.5 GB). Free memory was 172.7 MB in the beginning and 4.4 GB in the end (delta: -4.2 GB). Peak memory consumption was 9.4 GB. Max. memory is 14.2 GB. [2020-10-06 19:43:39,283 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 0.15 ms. Allocated memory is still 251.7 MB. Free memory is still 225.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 42.46 ms. Allocated memory is still 251.7 MB. Free memory was 223.0 MB in the beginning and 220.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 67.01 ms. Allocated memory is still 251.7 MB. Free memory was 220.5 MB in the beginning and 218.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 665.18 ms. Allocated memory is still 251.7 MB. Free memory was 218.0 MB in the beginning and 172.7 MB in the end (delta: 45.3 MB). Peak memory consumption was 45.3 MB. Max. memory is 14.2 GB. * TraceAbstraction took 779774.78 ms. Allocated memory was 251.7 MB in the beginning and 10.8 GB in the end (delta: 10.5 GB). Free memory was 172.7 MB in the beginning and 4.4 GB in the end (delta: -4.2 GB). Peak memory consumption was 9.4 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 10301 VarBasedMoverChecksPositive, 250 VarBasedMoverChecksNegative, 151 SemBasedMoverChecksPositive, 99 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.7s, 10348 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.3s, 413 PlacesBefore, 411 PlacesAfterwards, 310 TransitionsBefore, 308 TransitionsAfterwards, 38250 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 60650 MoverChecksTotal - TimeoutResultAtElement [Line: 112]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 112). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 411 places, 308 transitions, 1024 flow. Already constructed 959374 states. Currently 479695 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 52 procedures, 260 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 778.6s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 778.6s, 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