/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=50.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-08 14:23:20,275 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 14:23:20,278 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 14:23:20,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 14:23:20,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 14:23:20,325 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 14:23:20,328 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 14:23:20,332 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 14:23:20,334 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 14:23:20,337 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 14:23:20,338 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 14:23:20,339 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 14:23:20,339 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 14:23:20,342 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 14:23:20,344 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 14:23:20,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 14:23:20,347 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 14:23:20,348 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 14:23:20,349 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 14:23:20,358 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 14:23:20,360 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 14:23:20,361 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 14:23:20,362 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 14:23:20,363 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 14:23:20,375 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-08 14:23:20,375 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-08 14:23:20,378 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-08 14:23:20,379 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-08 14:23:20,379 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-08 14:23:20,384 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-08 14:23:20,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 14:23:20,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 14:23:20,386 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 14:23:20,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 14:23:20,388 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 14:23:20,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 14:23:20,388 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 14:23:20,389 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 14:23:20,389 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 14:23:20,389 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 14:23:20,393 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 14:23:20,394 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 14:23:20,423 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 14:23:20,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 14:23:20,425 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 14:23:20,425 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 14:23:20,425 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 14:23:20,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 14:23:20,425 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 14:23:20,426 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 14:23:20,426 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 14:23:20,426 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 14:23:20,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 14:23:20,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 14:23:20,427 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 14:23:20,427 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 14:23:20,427 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 14:23:20,427 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 14:23:20,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 14:23:20,428 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 14:23:20,428 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 14:23:20,428 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 14:23:20,428 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 14:23:20,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 14:23:20,429 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 14:23:20,429 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 14:23:20,429 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 14:23:20,429 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-08 14:23:20,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 14:23:20,430 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 14:23:20,430 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-08 14:23:20,430 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 14:23:20,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 14:23:20,752 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 14:23:20,757 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 14:23:20,759 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 14:23:20,759 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 14:23:20,760 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=50.bpl [2020-10-08 14:23:20,762 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=50.bpl' [2020-10-08 14:23:20,832 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 14:23:20,835 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 14:23:20,835 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 14:23:20,835 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 14:23:20,836 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 14:23:20,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=50.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:20" (1/1) ... [2020-10-08 14:23:20,882 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=50.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:20" (1/1) ... [2020-10-08 14:23:20,898 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 14:23:20,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 14:23:20,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 14:23:20,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 14:23:20,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=50.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:20" (1/1) ... [2020-10-08 14:23:20,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=50.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:20" (1/1) ... [2020-10-08 14:23:20,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=50.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:20" (1/1) ... [2020-10-08 14:23:20,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=50.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:20" (1/1) ... [2020-10-08 14:23:20,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=50.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:20" (1/1) ... [2020-10-08 14:23:20,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=50.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:20" (1/1) ... [2020-10-08 14:23:20,987 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=50.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:20" (1/1) ... [2020-10-08 14:23:20,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 14:23:20,996 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 14:23:20,996 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 14:23:20,996 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 14:23:20,997 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=50.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:20" (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 14:23:21,075 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-08 14:23:21,075 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-08 14:23:21,075 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-08 14:23:21,075 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-08 14:23:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-08 14:23:21,076 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-08 14:23:21,076 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-08 14:23:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-08 14:23:21,077 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-08 14:23:21,077 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-08 14:23:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-08 14:23:21,077 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-08 14:23:21,077 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-08 14:23:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-08 14:23:21,078 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-08 14:23:21,078 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-08 14:23:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-08 14:23:21,078 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-08 14:23:21,079 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-08 14:23:21,079 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-08 14:23:21,079 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-08 14:23:21,079 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-08 14:23:21,079 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-08 14:23:21,080 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-08 14:23:21,080 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-08 14:23:21,080 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-08 14:23:21,080 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-08 14:23:21,081 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-08 14:23:21,081 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-08 14:23:21,081 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-08 14:23:21,081 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread39 given in one single declaration [2020-10-08 14:23:21,081 INFO L130 BoogieDeclarations]: Found specification of procedure thread39 [2020-10-08 14:23:21,082 INFO L138 BoogieDeclarations]: Found implementation of procedure thread39 [2020-10-08 14:23:21,082 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 14:23:21,082 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 14:23:21,082 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 14:23:21,082 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 14:23:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 14:23:21,083 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 14:23:21,083 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 14:23:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 14:23:21,084 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 14:23:21,084 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 14:23:21,084 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 14:23:21,084 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 14:23:21,085 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 14:23:21,085 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 14:23:21,085 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 14:23:21,085 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 14:23:21,085 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 14:23:21,086 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 14:23:21,086 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 14:23:21,086 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 14:23:21,086 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 14:23:21,086 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 14:23:21,087 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 14:23:21,087 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 14:23:21,087 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 14:23:21,087 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 14:23:21,087 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 14:23:21,088 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-08 14:23:21,088 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-08 14:23:21,088 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-08 14:23:21,088 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread36 given in one single declaration [2020-10-08 14:23:21,088 INFO L130 BoogieDeclarations]: Found specification of procedure thread36 [2020-10-08 14:23:21,089 INFO L138 BoogieDeclarations]: Found implementation of procedure thread36 [2020-10-08 14:23:21,089 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread35 given in one single declaration [2020-10-08 14:23:21,089 INFO L130 BoogieDeclarations]: Found specification of procedure thread35 [2020-10-08 14:23:21,089 INFO L138 BoogieDeclarations]: Found implementation of procedure thread35 [2020-10-08 14:23:21,089 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread38 given in one single declaration [2020-10-08 14:23:21,090 INFO L130 BoogieDeclarations]: Found specification of procedure thread38 [2020-10-08 14:23:21,090 INFO L138 BoogieDeclarations]: Found implementation of procedure thread38 [2020-10-08 14:23:21,090 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread37 given in one single declaration [2020-10-08 14:23:21,090 INFO L130 BoogieDeclarations]: Found specification of procedure thread37 [2020-10-08 14:23:21,090 INFO L138 BoogieDeclarations]: Found implementation of procedure thread37 [2020-10-08 14:23:21,091 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-10-08 14:23:21,091 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-10-08 14:23:21,091 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-10-08 14:23:21,091 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-08 14:23:21,091 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-08 14:23:21,091 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-08 14:23:21,092 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-10-08 14:23:21,092 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-10-08 14:23:21,092 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-10-08 14:23:21,092 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-10-08 14:23:21,092 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-10-08 14:23:21,093 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-10-08 14:23:21,093 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread41 given in one single declaration [2020-10-08 14:23:21,093 INFO L130 BoogieDeclarations]: Found specification of procedure thread41 [2020-10-08 14:23:21,093 INFO L138 BoogieDeclarations]: Found implementation of procedure thread41 [2020-10-08 14:23:21,094 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread40 given in one single declaration [2020-10-08 14:23:21,094 INFO L130 BoogieDeclarations]: Found specification of procedure thread40 [2020-10-08 14:23:21,094 INFO L138 BoogieDeclarations]: Found implementation of procedure thread40 [2020-10-08 14:23:21,094 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread47 given in one single declaration [2020-10-08 14:23:21,094 INFO L130 BoogieDeclarations]: Found specification of procedure thread47 [2020-10-08 14:23:21,094 INFO L138 BoogieDeclarations]: Found implementation of procedure thread47 [2020-10-08 14:23:21,095 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread46 given in one single declaration [2020-10-08 14:23:21,095 INFO L130 BoogieDeclarations]: Found specification of procedure thread46 [2020-10-08 14:23:21,095 INFO L138 BoogieDeclarations]: Found implementation of procedure thread46 [2020-10-08 14:23:21,095 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread49 given in one single declaration [2020-10-08 14:23:21,096 INFO L130 BoogieDeclarations]: Found specification of procedure thread49 [2020-10-08 14:23:21,096 INFO L138 BoogieDeclarations]: Found implementation of procedure thread49 [2020-10-08 14:23:21,096 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread48 given in one single declaration [2020-10-08 14:23:21,096 INFO L130 BoogieDeclarations]: Found specification of procedure thread48 [2020-10-08 14:23:21,096 INFO L138 BoogieDeclarations]: Found implementation of procedure thread48 [2020-10-08 14:23:21,096 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread43 given in one single declaration [2020-10-08 14:23:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure thread43 [2020-10-08 14:23:21,097 INFO L138 BoogieDeclarations]: Found implementation of procedure thread43 [2020-10-08 14:23:21,097 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread42 given in one single declaration [2020-10-08 14:23:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure thread42 [2020-10-08 14:23:21,097 INFO L138 BoogieDeclarations]: Found implementation of procedure thread42 [2020-10-08 14:23:21,098 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread45 given in one single declaration [2020-10-08 14:23:21,098 INFO L130 BoogieDeclarations]: Found specification of procedure thread45 [2020-10-08 14:23:21,098 INFO L138 BoogieDeclarations]: Found implementation of procedure thread45 [2020-10-08 14:23:21,098 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread44 given in one single declaration [2020-10-08 14:23:21,098 INFO L130 BoogieDeclarations]: Found specification of procedure thread44 [2020-10-08 14:23:21,099 INFO L138 BoogieDeclarations]: Found implementation of procedure thread44 [2020-10-08 14:23:21,099 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-08 14:23:21,099 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-08 14:23:21,099 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-08 14:23:21,099 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-08 14:23:21,100 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-08 14:23:21,100 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-08 14:23:21,100 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-08 14:23:21,100 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-08 14:23:21,100 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-08 14:23:21,101 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread50 given in one single declaration [2020-10-08 14:23:21,101 INFO L130 BoogieDeclarations]: Found specification of procedure thread50 [2020-10-08 14:23:21,101 INFO L138 BoogieDeclarations]: Found implementation of procedure thread50 [2020-10-08 14:23:21,101 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-08 14:23:21,101 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-08 14:23:21,101 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-08 14:23:21,102 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-08 14:23:21,102 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-08 14:23:21,102 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-08 14:23:21,102 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 14:23:21,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 14:23:21,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 14:23:21,103 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-08 14:23:21,103 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-08 14:23:21,103 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-08 14:23:21,104 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-08 14:23:21,104 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-08 14:23:21,104 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-08 14:23:21,104 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 14:23:21,104 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 14:23:21,105 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 14:23:21,105 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 14:23:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 14:23:21,105 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 14:23:21,106 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 14:23:21,106 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 14:23:21,106 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 14:23:21,108 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 14:23:21,644 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 14:23:21,644 INFO L298 CfgBuilder]: Removed 50 assume(true) statements. [2020-10-08 14:23:21,647 INFO L202 PluginConnector]: Adding new model example2_N=50.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 02:23:21 BoogieIcfgContainer [2020-10-08 14:23:21,647 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 14:23:21,648 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 14:23:21,648 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 14:23:21,652 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 14:23:21,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=50.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:23:20" (1/2) ... [2020-10-08 14:23:21,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c848b96 and model type example2_N=50.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 02:23:21, skipping insertion in model container [2020-10-08 14:23:21,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=50.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 02:23:21" (2/2) ... [2020-10-08 14:23:21,655 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=50.bpl [2020-10-08 14:23:21,666 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 14:23:21,667 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 14:23:21,674 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 14:23:21,675 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 14:23:22,718 INFO L253 AbstractCegarLoop]: Starting to check reachability of 51 error locations. [2020-10-08 14:23:22,751 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 14:23:22,751 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 14:23:22,751 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 14:23:22,751 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 14:23:22,752 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 14:23:22,752 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 14:23:22,752 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 14:23:22,752 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 14:23:22,784 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-08 14:23:22,787 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 405 places, 304 transitions, 1008 flow [2020-10-08 14:23:22,789 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 405 places, 304 transitions, 1008 flow [2020-10-08 14:23:22,791 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 405 places, 304 transitions, 1008 flow [2020-10-08 14:23:22,972 INFO L129 PetriNetUnfolder]: 50/254 cut-off events. [2020-10-08 14:23:22,972 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-10-08 14:23:22,990 INFO L80 FinitePrefix]: Finished finitePrefix Result has 455 conditions, 254 events. 50/254 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 369 event pairs, 0 based on Foata normal form. 0/203 useless extension candidates. Maximal degree in co-relation 297. Up to 2 conditions per place. [2020-10-08 14:23:23,023 INFO L117 LiptonReduction]: Number of co-enabled transitions 36750 [2020-10-08 14:23:24,219 INFO L132 LiptonReduction]: Checked pairs total: 58261 [2020-10-08 14:23:24,219 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-08 14:23:24,226 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 403 places, 302 transitions, 1004 flow Received shutdown request... [2020-10-08 14:36:21,885 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-08 14:36:21,889 WARN L235 ceAbstractionStarter]: Timeout [2020-10-08 14:36:21,891 INFO L202 PluginConnector]: Adding new model example2_N=50.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 02:36:21 BasicIcfg [2020-10-08 14:36:21,892 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-08 14:36:21,899 INFO L168 Benchmark]: Toolchain (without parser) took 781061.14 ms. Allocated memory was 249.6 MB in the beginning and 10.6 GB in the end (delta: 10.4 GB). Free memory was 223.4 MB in the beginning and 2.8 GB in the end (delta: -2.6 GB). Peak memory consumption was 9.1 GB. Max. memory is 14.2 GB. [2020-10-08 14:36:21,899 INFO L168 Benchmark]: Boogie PL CUP Parser took 1.33 ms. Allocated memory is still 249.6 MB. Free memory is still 225.9 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 14:36:21,901 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.98 ms. Allocated memory is still 249.6 MB. Free memory was 223.4 MB in the beginning and 220.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 14:36:21,903 INFO L168 Benchmark]: Boogie Preprocessor took 96.79 ms. Allocated memory is still 249.6 MB. Free memory was 220.9 MB in the beginning and 218.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 14:36:21,905 INFO L168 Benchmark]: RCFGBuilder took 651.34 ms. Allocated memory is still 249.6 MB. Free memory was 218.4 MB in the beginning and 175.5 MB in the end (delta: 42.9 MB). Peak memory consumption was 42.9 MB. Max. memory is 14.2 GB. [2020-10-08 14:36:21,906 INFO L168 Benchmark]: TraceAbstraction took 780244.80 ms. Allocated memory was 249.6 MB in the beginning and 10.6 GB in the end (delta: 10.4 GB). Free memory was 173.0 MB in the beginning and 2.8 GB in the end (delta: -2.6 GB). Peak memory consumption was 9.1 GB. Max. memory is 14.2 GB. [2020-10-08 14:36:21,917 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 1.33 ms. Allocated memory is still 249.6 MB. Free memory is still 225.9 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 62.98 ms. Allocated memory is still 249.6 MB. Free memory was 223.4 MB in the beginning and 220.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 96.79 ms. Allocated memory is still 249.6 MB. Free memory was 220.9 MB in the beginning and 218.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 651.34 ms. Allocated memory is still 249.6 MB. Free memory was 218.4 MB in the beginning and 175.5 MB in the end (delta: 42.9 MB). Peak memory consumption was 42.9 MB. Max. memory is 14.2 GB. * TraceAbstraction took 780244.80 ms. Allocated memory was 249.6 MB in the beginning and 10.6 GB in the end (delta: 10.4 GB). Free memory was 173.0 MB in the beginning and 2.8 GB in the end (delta: -2.6 GB). Peak memory consumption was 9.1 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 9899 VarBasedMoverChecksPositive, 245 VarBasedMoverChecksNegative, 148 SemBasedMoverChecksPositive, 97 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.8s, 9945 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.4s, 405 PlacesBefore, 403 PlacesAfterwards, 304 TransitionsBefore, 302 TransitionsAfterwards, 36750 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 58261 MoverChecksTotal - TimeoutResultAtElement [Line: 110]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 110). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 403 places, 302 transitions, 1004 flow. Already constructed 950940 states. Currently 475489 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 51 procedures, 255 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 779.1s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 779.1s, 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