/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=30.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-50b6972 [2020-10-06 18:49:39,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 18:49:39,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 18:49:39,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 18:49:39,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 18:49:39,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 18:49:39,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 18:49:39,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 18:49:39,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 18:49:39,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 18:49:39,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 18:49:39,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 18:49:39,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 18:49:39,702 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 18:49:39,703 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 18:49:39,704 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 18:49:39,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 18:49:39,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 18:49:39,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 18:49:39,709 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 18:49:39,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 18:49:39,711 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 18:49:39,712 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 18:49:39,713 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 18:49:39,715 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-06 18:49:39,715 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-06 18:49:39,715 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-06 18:49:39,716 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-06 18:49:39,717 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-06 18:49:39,718 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-06 18:49:39,718 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 18:49:39,718 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 18:49:39,719 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 18:49:39,720 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 18:49:39,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 18:49:39,721 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 18:49:39,722 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 18:49:39,722 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 18:49:39,722 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 18:49:39,723 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 18:49:39,724 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 18:49:39,726 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 18:49:39,747 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 18:49:39,747 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 18:49:39,748 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 18:49:39,749 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 18:49:39,749 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 18:49:39,749 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 18:49:39,749 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 18:49:39,750 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 18:49:39,750 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 18:49:39,750 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 18:49:39,750 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 18:49:39,750 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 18:49:39,750 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 18:49:39,751 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 18:49:39,751 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 18:49:39,751 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 18:49:39,751 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 18:49:39,751 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 18:49:39,752 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 18:49:39,752 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 18:49:39,752 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 18:49:39,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 18:49:39,752 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 18:49:39,753 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-06 18:49:39,753 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 18:49:39,753 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 18:49:39,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 18:49:39,753 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 18:49:39,754 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-06 18:49:39,754 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-06 18:49:40,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 18:49:40,050 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 18:49:40,054 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 18:49:40,056 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-06 18:49:40,056 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-06 18:49:40,057 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=30.bpl [2020-10-06 18:49:40,057 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=30.bpl' [2020-10-06 18:49:40,107 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 18:49:40,109 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-06 18:49:40,110 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 18:49:40,110 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 18:49:40,110 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 18:49:40,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:40" (1/1) ... [2020-10-06 18:49:40,137 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:40" (1/1) ... [2020-10-06 18:49:40,147 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 18:49:40,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 18:49:40,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 18:49:40,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 18:49:40,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:40" (1/1) ... [2020-10-06 18:49:40,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:40" (1/1) ... [2020-10-06 18:49:40,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:40" (1/1) ... [2020-10-06 18:49:40,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:40" (1/1) ... [2020-10-06 18:49:40,173 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:40" (1/1) ... [2020-10-06 18:49:40,183 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:40" (1/1) ... [2020-10-06 18:49:40,186 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:40" (1/1) ... [2020-10-06 18:49:40,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 18:49:40,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 18:49:40,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 18:49:40,192 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 18:49:40,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:40" (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 18:49:40,271 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-06 18:49:40,271 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-06 18:49:40,273 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-06 18:49:40,274 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-06 18:49:40,274 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-06 18:49:40,275 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-06 18:49:40,275 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-06 18:49:40,276 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-06 18:49:40,276 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-06 18:49:40,276 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-06 18:49:40,276 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-06 18:49:40,277 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-06 18:49:40,277 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-06 18:49:40,277 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-06 18:49:40,277 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-06 18:49:40,277 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-06 18:49:40,278 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-06 18:49:40,278 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-06 18:49:40,278 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-06 18:49:40,278 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-06 18:49:40,278 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-06 18:49:40,279 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-06 18:49:40,279 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-06 18:49:40,280 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-06 18:49:40,280 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-06 18:49:40,281 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-06 18:49:40,282 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-06 18:49:40,283 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-06 18:49:40,283 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-06 18:49:40,283 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-06 18:49:40,283 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-06 18:49:40,284 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-06 18:49:40,284 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-06 18:49:40,284 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-06 18:49:40,285 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-06 18:49:40,285 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-06 18:49:40,285 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-06 18:49:40,285 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-06 18:49:40,286 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-06 18:49:40,286 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-06 18:49:40,286 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-06 18:49:40,286 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-06 18:49:40,286 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-06 18:49:40,287 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-06 18:49:40,287 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-06 18:49:40,287 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-06 18:49:40,288 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-06 18:49:40,288 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-06 18:49:40,289 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-06 18:49:40,289 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-06 18:49:40,289 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-06 18:49:40,289 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-06 18:49:40,290 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-06 18:49:40,290 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-06 18:49:40,290 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-06 18:49:40,290 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-06 18:49:40,291 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-06 18:49:40,291 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-06 18:49:40,291 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-06 18:49:40,291 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-06 18:49:40,292 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-06 18:49:40,292 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-06 18:49:40,292 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-06 18:49:40,292 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-06 18:49:40,292 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-06 18:49:40,293 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-06 18:49:40,294 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-06 18:49:40,294 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-06 18:49:40,294 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-06 18:49:40,295 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-06 18:49:40,295 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-06 18:49:40,295 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-06 18:49:40,295 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-06 18:49:40,296 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-06 18:49:40,296 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-06 18:49:40,296 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-06 18:49:40,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 18:49:40,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 18:49:40,297 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-06 18:49:40,297 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-06 18:49:40,297 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-06 18:49:40,298 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-06 18:49:40,298 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-06 18:49:40,298 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-06 18:49:40,299 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-06 18:49:40,300 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-06 18:49:40,300 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-06 18:49:40,300 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-06 18:49:40,300 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-06 18:49:40,301 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-06 18:49:40,301 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-06 18:49:40,301 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-06 18:49:40,301 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-06 18:49:40,303 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 18:49:40,796 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 18:49:40,799 INFO L298 CfgBuilder]: Removed 30 assume(true) statements. [2020-10-06 18:49:40,802 INFO L202 PluginConnector]: Adding new model example2_N=30.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 06:49:40 BoogieIcfgContainer [2020-10-06 18:49:40,802 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 18:49:40,803 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 18:49:40,803 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 18:49:40,810 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 18:49:40,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:40" (1/2) ... [2020-10-06 18:49:40,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38a9b1c7 and model type example2_N=30.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 06:49:40, skipping insertion in model container [2020-10-06 18:49:40,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=30.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 06:49:40" (2/2) ... [2020-10-06 18:49:40,820 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=30.bpl [2020-10-06 18:49:40,834 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 18:49:40,834 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-06 18:49:40,843 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 18:49:40,844 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 18:49:41,476 INFO L253 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2020-10-06 18:49:41,498 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-06 18:49:41,498 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-06 18:49:41,498 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-06 18:49:41,498 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-06 18:49:41,499 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 18:49:41,499 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-06 18:49:41,499 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 18:49:41,499 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 18:49:41,520 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-06 18:49:41,523 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 245 places, 184 transitions, 608 flow [2020-10-06 18:49:41,526 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 245 places, 184 transitions, 608 flow [2020-10-06 18:49:41,528 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 245 places, 184 transitions, 608 flow [2020-10-06 18:49:41,650 INFO L129 PetriNetUnfolder]: 30/154 cut-off events. [2020-10-06 18:49:41,651 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-06 18:49:41,662 INFO L80 FinitePrefix]: Finished finitePrefix Result has 275 conditions, 154 events. 30/154 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 181 event pairs, 0 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 177. Up to 2 conditions per place. [2020-10-06 18:49:41,675 INFO L117 LiptonReduction]: Number of co-enabled transitions 13050 [2020-10-06 18:49:42,565 INFO L132 LiptonReduction]: Checked pairs total: 20561 [2020-10-06 18:49:42,565 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-06 18:49:42,572 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 243 places, 182 transitions, 604 flow Received shutdown request... [2020-10-06 19:03:22,600 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-06 19:03:22,609 WARN L235 ceAbstractionStarter]: Timeout [2020-10-06 19:03:22,609 INFO L202 PluginConnector]: Adding new model example2_N=30.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 07:03:22 BasicIcfg [2020-10-06 19:03:22,609 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 19:03:22,612 INFO L168 Benchmark]: Toolchain (without parser) took 822502.47 ms. Allocated memory was 246.9 MB in the beginning and 7.0 GB in the end (delta: 6.8 GB). Free memory was 222.5 MB in the beginning and 2.0 GB in the end (delta: -1.8 GB). Peak memory consumption was 6.2 GB. Max. memory is 14.2 GB. [2020-10-06 19:03:22,613 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 246.9 MB. Free memory is still 224.2 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 19:03:22,614 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.82 ms. Allocated memory is still 246.9 MB. Free memory was 222.5 MB in the beginning and 220.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-06 19:03:22,615 INFO L168 Benchmark]: Boogie Preprocessor took 42.88 ms. Allocated memory is still 246.9 MB. Free memory was 220.8 MB in the beginning and 219.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-06 19:03:22,616 INFO L168 Benchmark]: RCFGBuilder took 610.80 ms. Allocated memory is still 246.9 MB. Free memory was 218.3 MB in the beginning and 188.6 MB in the end (delta: 29.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 14.2 GB. [2020-10-06 19:03:22,618 INFO L168 Benchmark]: TraceAbstraction took 821806.41 ms. Allocated memory was 246.9 MB in the beginning and 7.0 GB in the end (delta: 6.8 GB). Free memory was 187.8 MB in the beginning and 2.0 GB in the end (delta: -1.8 GB). Peak memory consumption was 6.1 GB. Max. memory is 14.2 GB. [2020-10-06 19:03:22,621 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 0.20 ms. Allocated memory is still 246.9 MB. Free memory is still 224.2 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 37.82 ms. Allocated memory is still 246.9 MB. Free memory was 222.5 MB in the beginning and 220.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 42.88 ms. Allocated memory is still 246.9 MB. Free memory was 220.8 MB in the beginning and 219.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * RCFGBuilder took 610.80 ms. Allocated memory is still 246.9 MB. Free memory was 218.3 MB in the beginning and 188.6 MB in the end (delta: 29.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 14.2 GB. * TraceAbstraction took 821806.41 ms. Allocated memory was 246.9 MB in the beginning and 7.0 GB in the end (delta: 6.8 GB). Free memory was 187.8 MB in the beginning and 2.0 GB in the end (delta: -1.8 GB). Peak memory consumption was 6.1 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 5129 VarBasedMoverChecksPositive, 203 VarBasedMoverChecksNegative, 117 SemBasedMoverChecksPositive, 86 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 5195 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.0s, 245 PlacesBefore, 243 PlacesAfterwards, 184 TransitionsBefore, 182 TransitionsAfterwards, 13050 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 20561 MoverChecksTotal - TimeoutResultAtElement [Line: 70]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 70). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 243 places, 182 transitions, 604 flow. Already constructed 741061 states. Currently 370533 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 155 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 821.1s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 821.1s, 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