/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=57.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-50b6972 [2020-10-06 19:43:51,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 19:43:51,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 19:43:51,282 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 19:43:51,282 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 19:43:51,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 19:43:51,291 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 19:43:51,294 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 19:43:51,297 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 19:43:51,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 19:43:51,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 19:43:51,303 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 19:43:51,303 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 19:43:51,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 19:43:51,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 19:43:51,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 19:43:51,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 19:43:51,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 19:43:51,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 19:43:51,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 19:43:51,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 19:43:51,325 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 19:43:51,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 19:43:51,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 19:43:51,337 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-06 19:43:51,337 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-06 19:43:51,338 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-06 19:43:51,343 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-06 19:43:51,343 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-06 19:43:51,344 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-06 19:43:51,344 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 19:43:51,345 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 19:43:51,346 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 19:43:51,346 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 19:43:51,347 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 19:43:51,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 19:43:51,348 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 19:43:51,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 19:43:51,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 19:43:51,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 19:43:51,349 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 19:43:51,350 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 19:43:51,372 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 19:43:51,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 19:43:51,373 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 19:43:51,373 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 19:43:51,374 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 19:43:51,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 19:43:51,374 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 19:43:51,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 19:43:51,374 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 19:43:51,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 19:43:51,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 19:43:51,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 19:43:51,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 19:43:51,375 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 19:43:51,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 19:43:51,376 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 19:43:51,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 19:43:51,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 19:43:51,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 19:43:51,377 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 19:43:51,377 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 19:43:51,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 19:43:51,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 19:43:51,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-06 19:43:51,377 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 19:43:51,378 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 19:43:51,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 19:43:51,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 19:43:51,378 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-06 19:43:51,378 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-06 19:43:51,667 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 19:43:51,680 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 19:43:51,684 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 19:43:51,685 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-06 19:43:51,686 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-06 19:43:51,686 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=57.bpl [2020-10-06 19:43:51,687 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=57.bpl' [2020-10-06 19:43:51,757 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 19:43:51,759 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-06 19:43:51,760 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 19:43:51,760 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 19:43:51,760 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 19:43:51,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=57.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:43:51" (1/1) ... [2020-10-06 19:43:51,792 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=57.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:43:51" (1/1) ... [2020-10-06 19:43:51,803 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 19:43:51,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 19:43:51,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 19:43:51,804 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 19:43:51,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=57.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:43:51" (1/1) ... [2020-10-06 19:43:51,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=57.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:43:51" (1/1) ... [2020-10-06 19:43:51,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=57.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:43:51" (1/1) ... [2020-10-06 19:43:51,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=57.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:43:51" (1/1) ... [2020-10-06 19:43:51,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=57.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:43:51" (1/1) ... [2020-10-06 19:43:51,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=57.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:43:51" (1/1) ... [2020-10-06 19:43:51,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=57.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:43:51" (1/1) ... [2020-10-06 19:43:51,895 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 19:43:51,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 19:43:51,896 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 19:43:51,896 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 19:43:51,897 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=57.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:43:51" (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 19:43:51,984 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-06 19:43:51,985 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-06 19:43:51,985 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-06 19:43:51,985 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-06 19:43:51,985 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-06 19:43:51,985 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-06 19:43:51,985 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-06 19:43:51,986 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-06 19:43:51,986 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-06 19:43:51,986 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-06 19:43:51,986 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-06 19:43:51,986 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-06 19:43:51,986 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-06 19:43:51,986 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-06 19:43:51,986 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-06 19:43:51,987 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-06 19:43:51,987 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-06 19:43:51,987 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-06 19:43:51,987 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-06 19:43:51,987 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-06 19:43:51,987 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-06 19:43:51,988 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-06 19:43:51,989 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-06 19:43:51,990 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-06 19:43:51,990 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-06 19:43:51,991 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-06 19:43:51,991 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-06 19:43:51,993 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-06 19:43:51,994 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-06 19:43:51,994 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-06 19:43:51,994 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread39 given in one single declaration [2020-10-06 19:43:51,994 INFO L130 BoogieDeclarations]: Found specification of procedure thread39 [2020-10-06 19:43:51,994 INFO L138 BoogieDeclarations]: Found implementation of procedure thread39 [2020-10-06 19:43:51,995 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-06 19:43:51,995 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-06 19:43:51,995 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-06 19:43:51,995 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-06 19:43:51,995 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-06 19:43:51,995 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-06 19:43:51,996 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-06 19:43:51,996 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-06 19:43:51,996 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-06 19:43:51,996 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-06 19:43:51,996 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-06 19:43:51,997 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-06 19:43:51,997 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-06 19:43:51,997 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-06 19:43:51,997 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-06 19:43:51,997 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-06 19:43:51,998 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-06 19:43:51,998 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-06 19:43:51,998 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-06 19:43:51,998 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-06 19:43:51,998 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-06 19:43:51,999 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-06 19:43:51,999 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-06 19:43:51,999 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-06 19:43:51,999 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-06 19:43:52,000 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-06 19:43:52,001 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-06 19:43:52,001 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-06 19:43:52,001 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-06 19:43:52,001 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-06 19:43:52,001 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread36 given in one single declaration [2020-10-06 19:43:52,001 INFO L130 BoogieDeclarations]: Found specification of procedure thread36 [2020-10-06 19:43:52,002 INFO L138 BoogieDeclarations]: Found implementation of procedure thread36 [2020-10-06 19:43:52,003 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread35 given in one single declaration [2020-10-06 19:43:52,003 INFO L130 BoogieDeclarations]: Found specification of procedure thread35 [2020-10-06 19:43:52,003 INFO L138 BoogieDeclarations]: Found implementation of procedure thread35 [2020-10-06 19:43:52,003 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread38 given in one single declaration [2020-10-06 19:43:52,003 INFO L130 BoogieDeclarations]: Found specification of procedure thread38 [2020-10-06 19:43:52,004 INFO L138 BoogieDeclarations]: Found implementation of procedure thread38 [2020-10-06 19:43:52,004 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread37 given in one single declaration [2020-10-06 19:43:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure thread37 [2020-10-06 19:43:52,004 INFO L138 BoogieDeclarations]: Found implementation of procedure thread37 [2020-10-06 19:43:52,004 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-10-06 19:43:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-10-06 19:43:52,005 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-10-06 19:43:52,005 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-06 19:43:52,005 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-06 19:43:52,005 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-06 19:43:52,005 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-10-06 19:43:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-10-06 19:43:52,006 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-10-06 19:43:52,006 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-10-06 19:43:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-10-06 19:43:52,007 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-10-06 19:43:52,007 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread41 given in one single declaration [2020-10-06 19:43:52,008 INFO L130 BoogieDeclarations]: Found specification of procedure thread41 [2020-10-06 19:43:52,008 INFO L138 BoogieDeclarations]: Found implementation of procedure thread41 [2020-10-06 19:43:52,008 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread40 given in one single declaration [2020-10-06 19:43:52,008 INFO L130 BoogieDeclarations]: Found specification of procedure thread40 [2020-10-06 19:43:52,008 INFO L138 BoogieDeclarations]: Found implementation of procedure thread40 [2020-10-06 19:43:52,008 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread47 given in one single declaration [2020-10-06 19:43:52,008 INFO L130 BoogieDeclarations]: Found specification of procedure thread47 [2020-10-06 19:43:52,009 INFO L138 BoogieDeclarations]: Found implementation of procedure thread47 [2020-10-06 19:43:52,009 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread46 given in one single declaration [2020-10-06 19:43:52,009 INFO L130 BoogieDeclarations]: Found specification of procedure thread46 [2020-10-06 19:43:52,009 INFO L138 BoogieDeclarations]: Found implementation of procedure thread46 [2020-10-06 19:43:52,010 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread49 given in one single declaration [2020-10-06 19:43:52,010 INFO L130 BoogieDeclarations]: Found specification of procedure thread49 [2020-10-06 19:43:52,010 INFO L138 BoogieDeclarations]: Found implementation of procedure thread49 [2020-10-06 19:43:52,010 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread48 given in one single declaration [2020-10-06 19:43:52,010 INFO L130 BoogieDeclarations]: Found specification of procedure thread48 [2020-10-06 19:43:52,010 INFO L138 BoogieDeclarations]: Found implementation of procedure thread48 [2020-10-06 19:43:52,011 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread43 given in one single declaration [2020-10-06 19:43:52,011 INFO L130 BoogieDeclarations]: Found specification of procedure thread43 [2020-10-06 19:43:52,011 INFO L138 BoogieDeclarations]: Found implementation of procedure thread43 [2020-10-06 19:43:52,012 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread42 given in one single declaration [2020-10-06 19:43:52,012 INFO L130 BoogieDeclarations]: Found specification of procedure thread42 [2020-10-06 19:43:52,015 INFO L138 BoogieDeclarations]: Found implementation of procedure thread42 [2020-10-06 19:43:52,016 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread45 given in one single declaration [2020-10-06 19:43:52,016 INFO L130 BoogieDeclarations]: Found specification of procedure thread45 [2020-10-06 19:43:52,016 INFO L138 BoogieDeclarations]: Found implementation of procedure thread45 [2020-10-06 19:43:52,016 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread44 given in one single declaration [2020-10-06 19:43:52,016 INFO L130 BoogieDeclarations]: Found specification of procedure thread44 [2020-10-06 19:43:52,016 INFO L138 BoogieDeclarations]: Found implementation of procedure thread44 [2020-10-06 19:43:52,017 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-06 19:43:52,017 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-06 19:43:52,017 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-06 19:43:52,017 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-06 19:43:52,017 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-06 19:43:52,018 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-06 19:43:52,018 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-06 19:43:52,018 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-06 19:43:52,018 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-06 19:43:52,018 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread50 given in one single declaration [2020-10-06 19:43:52,018 INFO L130 BoogieDeclarations]: Found specification of procedure thread50 [2020-10-06 19:43:52,018 INFO L138 BoogieDeclarations]: Found implementation of procedure thread50 [2020-10-06 19:43:52,019 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread52 given in one single declaration [2020-10-06 19:43:52,019 INFO L130 BoogieDeclarations]: Found specification of procedure thread52 [2020-10-06 19:43:52,019 INFO L138 BoogieDeclarations]: Found implementation of procedure thread52 [2020-10-06 19:43:52,019 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread51 given in one single declaration [2020-10-06 19:43:52,019 INFO L130 BoogieDeclarations]: Found specification of procedure thread51 [2020-10-06 19:43:52,020 INFO L138 BoogieDeclarations]: Found implementation of procedure thread51 [2020-10-06 19:43:52,020 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-06 19:43:52,021 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-06 19:43:52,021 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-06 19:43:52,021 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread57 given in one single declaration [2020-10-06 19:43:52,021 INFO L130 BoogieDeclarations]: Found specification of procedure thread57 [2020-10-06 19:43:52,021 INFO L138 BoogieDeclarations]: Found implementation of procedure thread57 [2020-10-06 19:43:52,021 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-06 19:43:52,021 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-06 19:43:52,021 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-06 19:43:52,022 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-06 19:43:52,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 19:43:52,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 19:43:52,023 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-06 19:43:52,023 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-06 19:43:52,023 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-06 19:43:52,024 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-06 19:43:52,026 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-06 19:43:52,027 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-06 19:43:52,027 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread54 given in one single declaration [2020-10-06 19:43:52,027 INFO L130 BoogieDeclarations]: Found specification of procedure thread54 [2020-10-06 19:43:52,027 INFO L138 BoogieDeclarations]: Found implementation of procedure thread54 [2020-10-06 19:43:52,028 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-06 19:43:52,028 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-06 19:43:52,028 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-06 19:43:52,028 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread53 given in one single declaration [2020-10-06 19:43:52,028 INFO L130 BoogieDeclarations]: Found specification of procedure thread53 [2020-10-06 19:43:52,028 INFO L138 BoogieDeclarations]: Found implementation of procedure thread53 [2020-10-06 19:43:52,029 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread56 given in one single declaration [2020-10-06 19:43:52,029 INFO L130 BoogieDeclarations]: Found specification of procedure thread56 [2020-10-06 19:43:52,029 INFO L138 BoogieDeclarations]: Found implementation of procedure thread56 [2020-10-06 19:43:52,029 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-06 19:43:52,029 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-06 19:43:52,029 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-06 19:43:52,029 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread55 given in one single declaration [2020-10-06 19:43:52,030 INFO L130 BoogieDeclarations]: Found specification of procedure thread55 [2020-10-06 19:43:52,030 INFO L138 BoogieDeclarations]: Found implementation of procedure thread55 [2020-10-06 19:43:52,030 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-06 19:43:52,030 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-06 19:43:52,030 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-06 19:43:52,032 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 19:43:52,646 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 19:43:52,646 INFO L298 CfgBuilder]: Removed 57 assume(true) statements. [2020-10-06 19:43:52,649 INFO L202 PluginConnector]: Adding new model example2_N=57.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 07:43:52 BoogieIcfgContainer [2020-10-06 19:43:52,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 19:43:52,650 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 19:43:52,650 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 19:43:52,654 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 19:43:52,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=57.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:43:51" (1/2) ... [2020-10-06 19:43:52,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4220953 and model type example2_N=57.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 07:43:52, skipping insertion in model container [2020-10-06 19:43:52,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=57.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 07:43:52" (2/2) ... [2020-10-06 19:43:52,657 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=57.bpl [2020-10-06 19:43:52,668 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 19:43:52,668 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-06 19:43:52,675 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 19:43:52,677 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 19:43:53,939 INFO L253 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2020-10-06 19:43:53,966 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-06 19:43:53,966 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-06 19:43:53,966 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-06 19:43:53,966 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-06 19:43:53,966 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 19:43:53,967 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-06 19:43:53,967 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 19:43:53,967 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 19:43:53,992 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-06 19:43:53,996 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 461 places, 346 transitions, 1148 flow [2020-10-06 19:43:53,999 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 461 places, 346 transitions, 1148 flow [2020-10-06 19:43:54,001 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 461 places, 346 transitions, 1148 flow [2020-10-06 19:43:54,275 INFO L129 PetriNetUnfolder]: 57/289 cut-off events. [2020-10-06 19:43:54,276 INFO L130 PetriNetUnfolder]: For 57/57 co-relation queries the response was YES. [2020-10-06 19:43:54,296 INFO L80 FinitePrefix]: Finished finitePrefix Result has 518 conditions, 289 events. 57/289 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 391 event pairs, 0 based on Foata normal form. 0/231 useless extension candidates. Maximal degree in co-relation 339. Up to 2 conditions per place. [2020-10-06 19:43:54,383 INFO L117 LiptonReduction]: Number of co-enabled transitions 47880 [2020-10-06 19:43:55,847 INFO L132 LiptonReduction]: Checked pairs total: 75992 [2020-10-06 19:43:55,847 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-06 19:43:55,854 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 459 places, 344 transitions, 1144 flow Received shutdown request... [2020-10-06 19:57:18,130 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-06 19:57:18,132 WARN L235 ceAbstractionStarter]: Timeout [2020-10-06 19:57:18,134 INFO L202 PluginConnector]: Adding new model example2_N=57.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 07:57:18 BasicIcfg [2020-10-06 19:57:18,135 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 19:57:18,138 INFO L168 Benchmark]: Toolchain (without parser) took 806377.61 ms. Allocated memory was 249.6 MB in the beginning and 9.4 GB in the end (delta: 9.2 GB). Free memory was 220.9 MB in the beginning and 3.5 GB in the end (delta: -3.2 GB). Peak memory consumption was 8.0 GB. Max. memory is 14.2 GB. [2020-10-06 19:57:18,139 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 249.6 MB. Free memory is still 223.4 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 19:57:18,141 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.30 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. [2020-10-06 19:57:18,143 INFO L168 Benchmark]: Boogie Preprocessor took 92.14 ms. Allocated memory is still 249.6 MB. Free memory was 218.4 MB in the beginning and 215.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-06 19:57:18,144 INFO L168 Benchmark]: RCFGBuilder took 752.90 ms. Allocated memory is still 249.6 MB. Free memory was 215.9 MB in the beginning and 165.5 MB in the end (delta: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 14.2 GB. [2020-10-06 19:57:18,146 INFO L168 Benchmark]: TraceAbstraction took 805484.48 ms. Allocated memory was 249.6 MB in the beginning and 9.4 GB in the end (delta: 9.2 GB). Free memory was 165.5 MB in the beginning and 3.5 GB in the end (delta: -3.3 GB). Peak memory consumption was 8.0 GB. Max. memory is 14.2 GB. [2020-10-06 19:57:18,150 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 0.14 ms. Allocated memory is still 249.6 MB. Free memory is still 223.4 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 43.30 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. * Boogie Preprocessor took 92.14 ms. Allocated memory is still 249.6 MB. Free memory was 218.4 MB in the beginning and 215.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 752.90 ms. Allocated memory is still 249.6 MB. Free memory was 215.9 MB in the beginning and 165.5 MB in the end (delta: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 14.2 GB. * TraceAbstraction took 805484.48 ms. Allocated memory was 249.6 MB in the beginning and 9.4 GB in the end (delta: 9.2 GB). Free memory was 165.5 MB in the beginning and 3.5 GB in the end (delta: -3.3 GB). Peak memory consumption was 8.0 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 16608 VarBasedMoverChecksPositive, 392 VarBasedMoverChecksNegative, 225 SemBasedMoverChecksPositive, 167 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.1s, 16768 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.8s, 461 PlacesBefore, 459 PlacesAfterwards, 346 TransitionsBefore, 344 TransitionsAfterwards, 47880 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 75992 MoverChecksTotal - TimeoutResultAtElement [Line: 124]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 124). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 459 places, 344 transitions, 1144 flow. Already constructed 863099 states. Currently 431563 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 58 procedures, 290 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 804.1s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 804.1s, 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