/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=43.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-50b6972 [2020-10-06 19:16:59,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 19:16:59,258 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 19:16:59,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 19:16:59,285 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 19:16:59,286 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 19:16:59,287 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 19:16:59,289 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 19:16:59,290 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 19:16:59,291 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 19:16:59,292 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 19:16:59,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 19:16:59,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 19:16:59,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 19:16:59,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 19:16:59,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 19:16:59,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 19:16:59,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 19:16:59,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 19:16:59,301 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 19:16:59,303 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 19:16:59,304 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 19:16:59,305 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 19:16:59,306 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 19:16:59,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-06 19:16:59,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-06 19:16:59,309 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-06 19:16:59,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-06 19:16:59,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-06 19:16:59,311 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-06 19:16:59,311 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 19:16:59,312 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 19:16:59,313 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 19:16:59,313 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 19:16:59,314 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 19:16:59,315 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 19:16:59,315 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 19:16:59,315 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 19:16:59,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 19:16:59,316 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 19:16:59,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 19:16:59,318 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 19:16:59,360 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 19:16:59,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 19:16:59,361 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 19:16:59,361 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 19:16:59,361 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 19:16:59,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 19:16:59,366 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 19:16:59,366 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 19:16:59,366 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 19:16:59,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 19:16:59,367 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 19:16:59,367 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 19:16:59,367 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 19:16:59,367 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 19:16:59,368 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 19:16:59,368 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 19:16:59,368 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 19:16:59,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 19:16:59,368 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 19:16:59,368 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 19:16:59,369 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 19:16:59,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 19:16:59,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 19:16:59,373 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-06 19:16:59,373 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 19:16:59,373 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 19:16:59,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 19:16:59,373 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 19:16:59,374 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-06 19:16:59,374 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-06 19:16:59,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 19:16:59,701 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 19:16:59,706 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 19:16:59,708 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-06 19:16:59,708 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-06 19:16:59,709 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=43.bpl [2020-10-06 19:16:59,711 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=43.bpl' [2020-10-06 19:16:59,774 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 19:16:59,776 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-06 19:16:59,777 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 19:16:59,777 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 19:16:59,777 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 19:16:59,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=43.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:16:59" (1/1) ... [2020-10-06 19:16:59,807 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=43.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:16:59" (1/1) ... [2020-10-06 19:16:59,817 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 19:16:59,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 19:16:59,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 19:16:59,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 19:16:59,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=43.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:16:59" (1/1) ... [2020-10-06 19:16:59,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=43.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:16:59" (1/1) ... [2020-10-06 19:16:59,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=43.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:16:59" (1/1) ... [2020-10-06 19:16:59,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=43.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:16:59" (1/1) ... [2020-10-06 19:16:59,850 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=43.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:16:59" (1/1) ... [2020-10-06 19:16:59,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=43.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:16:59" (1/1) ... [2020-10-06 19:16:59,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=43.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:16:59" (1/1) ... [2020-10-06 19:16:59,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 19:16:59,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 19:16:59,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 19:16:59,872 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 19:16:59,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=43.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:16:59" (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 19:16:59,943 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-06 19:16:59,943 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-06 19:16:59,944 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-06 19:16:59,944 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-06 19:16:59,944 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-06 19:16:59,944 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-06 19:16:59,945 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread41 given in one single declaration [2020-10-06 19:16:59,945 INFO L130 BoogieDeclarations]: Found specification of procedure thread41 [2020-10-06 19:16:59,945 INFO L138 BoogieDeclarations]: Found implementation of procedure thread41 [2020-10-06 19:16:59,945 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread40 given in one single declaration [2020-10-06 19:16:59,945 INFO L130 BoogieDeclarations]: Found specification of procedure thread40 [2020-10-06 19:16:59,946 INFO L138 BoogieDeclarations]: Found implementation of procedure thread40 [2020-10-06 19:16:59,946 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-06 19:16:59,946 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-06 19:16:59,946 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-06 19:16:59,946 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-06 19:16:59,947 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-06 19:16:59,947 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-06 19:16:59,947 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-06 19:16:59,947 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-06 19:16:59,947 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-06 19:16:59,948 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-06 19:16:59,948 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-06 19:16:59,948 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-06 19:16:59,948 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread43 given in one single declaration [2020-10-06 19:16:59,948 INFO L130 BoogieDeclarations]: Found specification of procedure thread43 [2020-10-06 19:16:59,949 INFO L138 BoogieDeclarations]: Found implementation of procedure thread43 [2020-10-06 19:16:59,949 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-06 19:16:59,949 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-06 19:16:59,949 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-06 19:16:59,949 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread42 given in one single declaration [2020-10-06 19:16:59,950 INFO L130 BoogieDeclarations]: Found specification of procedure thread42 [2020-10-06 19:16:59,950 INFO L138 BoogieDeclarations]: Found implementation of procedure thread42 [2020-10-06 19:16:59,950 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-06 19:16:59,950 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-06 19:16:59,950 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-06 19:16:59,950 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-06 19:16:59,951 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-06 19:16:59,951 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-06 19:16:59,951 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-06 19:16:59,951 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-06 19:16:59,951 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-06 19:16:59,951 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-06 19:16:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-06 19:16:59,952 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-06 19:16:59,952 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread39 given in one single declaration [2020-10-06 19:16:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure thread39 [2020-10-06 19:16:59,952 INFO L138 BoogieDeclarations]: Found implementation of procedure thread39 [2020-10-06 19:16:59,952 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-06 19:16:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-06 19:16:59,953 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-06 19:16:59,953 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-06 19:16:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-06 19:16:59,953 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-06 19:16:59,954 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-06 19:16:59,954 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-06 19:16:59,954 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-06 19:16:59,954 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-06 19:16:59,954 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-06 19:16:59,955 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-06 19:16:59,955 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-06 19:16:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-06 19:16:59,955 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-06 19:16:59,955 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-06 19:16:59,956 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-06 19:16:59,956 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-06 19:16:59,956 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-06 19:16:59,956 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-06 19:16:59,956 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-06 19:16:59,957 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-06 19:16:59,957 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-06 19:16:59,957 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-06 19:16:59,957 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-06 19:16:59,957 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-06 19:16:59,957 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-06 19:16:59,958 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-06 19:16:59,958 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-06 19:16:59,958 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-06 19:16:59,958 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-06 19:16:59,958 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-06 19:16:59,958 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-06 19:16:59,959 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-06 19:16:59,959 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-06 19:16:59,959 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-06 19:16:59,959 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread36 given in one single declaration [2020-10-06 19:16:59,959 INFO L130 BoogieDeclarations]: Found specification of procedure thread36 [2020-10-06 19:16:59,959 INFO L138 BoogieDeclarations]: Found implementation of procedure thread36 [2020-10-06 19:16:59,960 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-06 19:16:59,960 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-06 19:16:59,960 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-06 19:16:59,960 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread35 given in one single declaration [2020-10-06 19:16:59,960 INFO L130 BoogieDeclarations]: Found specification of procedure thread35 [2020-10-06 19:16:59,961 INFO L138 BoogieDeclarations]: Found implementation of procedure thread35 [2020-10-06 19:16:59,961 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-06 19:16:59,961 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-06 19:16:59,961 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-06 19:16:59,961 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-06 19:16:59,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 19:16:59,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 19:16:59,962 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread38 given in one single declaration [2020-10-06 19:16:59,962 INFO L130 BoogieDeclarations]: Found specification of procedure thread38 [2020-10-06 19:16:59,962 INFO L138 BoogieDeclarations]: Found implementation of procedure thread38 [2020-10-06 19:16:59,962 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-06 19:16:59,962 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-06 19:16:59,963 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-06 19:16:59,963 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread37 given in one single declaration [2020-10-06 19:16:59,963 INFO L130 BoogieDeclarations]: Found specification of procedure thread37 [2020-10-06 19:16:59,963 INFO L138 BoogieDeclarations]: Found implementation of procedure thread37 [2020-10-06 19:16:59,963 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-06 19:16:59,963 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-06 19:16:59,964 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-06 19:16:59,964 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-10-06 19:16:59,964 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-10-06 19:16:59,964 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-10-06 19:16:59,965 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-06 19:16:59,965 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-06 19:16:59,965 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-06 19:16:59,965 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-06 19:16:59,965 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-06 19:16:59,966 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-06 19:16:59,966 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-10-06 19:16:59,966 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-10-06 19:16:59,966 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-10-06 19:16:59,966 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-06 19:16:59,967 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-06 19:16:59,967 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-06 19:16:59,967 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-10-06 19:16:59,967 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-10-06 19:16:59,967 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-10-06 19:16:59,967 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-06 19:16:59,968 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-06 19:16:59,968 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-06 19:16:59,969 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 19:17:00,564 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 19:17:00,564 INFO L298 CfgBuilder]: Removed 43 assume(true) statements. [2020-10-06 19:17:00,566 INFO L202 PluginConnector]: Adding new model example2_N=43.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 07:17:00 BoogieIcfgContainer [2020-10-06 19:17:00,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 19:17:00,568 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 19:17:00,568 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 19:17:00,571 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 19:17:00,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=43.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:16:59" (1/2) ... [2020-10-06 19:17:00,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b626bcb and model type example2_N=43.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 07:17:00, skipping insertion in model container [2020-10-06 19:17:00,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=43.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 07:17:00" (2/2) ... [2020-10-06 19:17:00,575 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=43.bpl [2020-10-06 19:17:00,584 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 19:17:00,585 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-06 19:17:00,591 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 19:17:00,592 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 19:17:01,390 INFO L253 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2020-10-06 19:17:01,411 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-06 19:17:01,411 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-06 19:17:01,411 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-06 19:17:01,411 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-06 19:17:01,411 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 19:17:01,412 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-06 19:17:01,412 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 19:17:01,412 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 19:17:01,443 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-06 19:17:01,448 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 349 places, 262 transitions, 868 flow [2020-10-06 19:17:01,450 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 349 places, 262 transitions, 868 flow [2020-10-06 19:17:01,452 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 349 places, 262 transitions, 868 flow [2020-10-06 19:17:01,677 INFO L129 PetriNetUnfolder]: 43/219 cut-off events. [2020-10-06 19:17:01,677 INFO L130 PetriNetUnfolder]: For 43/43 co-relation queries the response was YES. [2020-10-06 19:17:01,703 INFO L80 FinitePrefix]: Finished finitePrefix Result has 392 conditions, 219 events. 43/219 cut-off events. For 43/43 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 293 event pairs, 0 based on Foata normal form. 0/175 useless extension candidates. Maximal degree in co-relation 255. Up to 2 conditions per place. [2020-10-06 19:17:01,736 INFO L117 LiptonReduction]: Number of co-enabled transitions 27090 [2020-10-06 19:17:02,833 INFO L132 LiptonReduction]: Checked pairs total: 42882 [2020-10-06 19:17:02,833 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-06 19:17:02,840 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 347 places, 260 transitions, 864 flow Received shutdown request... [2020-10-06 19:30:11,859 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-06 19:30:11,864 WARN L235 ceAbstractionStarter]: Timeout [2020-10-06 19:30:11,865 INFO L202 PluginConnector]: Adding new model example2_N=43.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 07:30:11 BasicIcfg [2020-10-06 19:30:11,865 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 19:30:11,875 INFO L168 Benchmark]: Toolchain (without parser) took 792092.53 ms. Allocated memory was 252.2 MB in the beginning and 10.0 GB in the end (delta: 9.8 GB). Free memory was 224.4 MB in the beginning and 3.6 GB in the end (delta: -3.4 GB). Peak memory consumption was 9.0 GB. Max. memory is 14.2 GB. [2020-10-06 19:30:11,876 INFO L168 Benchmark]: Boogie PL CUP Parser took 1.35 ms. Allocated memory is still 252.2 MB. Free memory is still 226.9 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 19:30:11,878 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.53 ms. Allocated memory is still 252.2 MB. Free memory was 224.4 MB in the beginning and 222.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-06 19:30:11,879 INFO L168 Benchmark]: Boogie Preprocessor took 53.36 ms. Allocated memory is still 252.2 MB. Free memory was 222.7 MB in the beginning and 220.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-06 19:30:11,881 INFO L168 Benchmark]: RCFGBuilder took 694.63 ms. Allocated memory is still 252.2 MB. Free memory was 220.2 MB in the beginning and 181.5 MB in the end (delta: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 14.2 GB. [2020-10-06 19:30:11,883 INFO L168 Benchmark]: TraceAbstraction took 791297.29 ms. Allocated memory was 252.2 MB in the beginning and 10.0 GB in the end (delta: 9.8 GB). Free memory was 180.6 MB in the beginning and 3.6 GB in the end (delta: -3.5 GB). Peak memory consumption was 8.9 GB. Max. memory is 14.2 GB. [2020-10-06 19:30:11,893 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 1.35 ms. Allocated memory is still 252.2 MB. Free memory is still 226.9 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 41.53 ms. Allocated memory is still 252.2 MB. Free memory was 224.4 MB in the beginning and 222.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 53.36 ms. Allocated memory is still 252.2 MB. Free memory was 222.7 MB in the beginning and 220.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 694.63 ms. Allocated memory is still 252.2 MB. Free memory was 220.2 MB in the beginning and 181.5 MB in the end (delta: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 14.2 GB. * TraceAbstraction took 791297.29 ms. Allocated memory was 252.2 MB in the beginning and 10.0 GB in the end (delta: 9.8 GB). Free memory was 180.6 MB in the beginning and 3.6 GB in the end (delta: -3.5 GB). Peak memory consumption was 8.9 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 9654 VarBasedMoverChecksPositive, 211 VarBasedMoverChecksNegative, 128 SemBasedMoverChecksPositive, 83 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.7s, 9687 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.3s, 349 PlacesBefore, 347 PlacesAfterwards, 262 TransitionsBefore, 260 TransitionsAfterwards, 27090 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 42882 MoverChecksTotal - TimeoutResultAtElement [Line: 96]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 96). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 347 places, 260 transitions, 864 flow. Already constructed 994219 states. Currently 497111 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 220 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 790.4s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 790.4s, 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