/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=40.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-08 14:09:34,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 14:09:34,472 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 14:09:34,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 14:09:34,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 14:09:34,521 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 14:09:34,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 14:09:34,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 14:09:34,530 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 14:09:34,533 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 14:09:34,534 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 14:09:34,535 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 14:09:34,535 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 14:09:34,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 14:09:34,540 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 14:09:34,541 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 14:09:34,543 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 14:09:34,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 14:09:34,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 14:09:34,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 14:09:34,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 14:09:34,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 14:09:34,557 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 14:09:34,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 14:09:34,572 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-08 14:09:34,573 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-08 14:09:34,573 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-08 14:09:34,574 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-08 14:09:34,578 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-08 14:09:34,578 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-08 14:09:34,579 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 14:09:34,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 14:09:34,583 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 14:09:34,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 14:09:34,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 14:09:34,586 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 14:09:34,587 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 14:09:34,587 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 14:09:34,588 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 14:09:34,588 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 14:09:34,589 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 14:09:34,590 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-08 14:09:34,629 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 14:09:34,629 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 14:09:34,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 14:09:34,632 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 14:09:34,632 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 14:09:34,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 14:09:34,633 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 14:09:34,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 14:09:34,633 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 14:09:34,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 14:09:34,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 14:09:34,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 14:09:34,635 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 14:09:34,636 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 14:09:34,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 14:09:34,636 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 14:09:34,636 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 14:09:34,636 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 14:09:34,636 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 14:09:34,637 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 14:09:34,637 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 14:09:34,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 14:09:34,637 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 14:09:34,638 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 14:09:34,638 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 14:09:34,638 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-08 14:09:34,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 14:09:34,638 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 14:09:34,638 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-08 14:09:34,639 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 14:09:34,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 14:09:34,944 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 14:09:34,947 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 14:09:34,948 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 14:09:34,949 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 14:09:34,950 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=40.bpl [2020-10-08 14:09:34,950 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=40.bpl' [2020-10-08 14:09:35,004 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 14:09:35,006 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 14:09:35,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 14:09:35,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 14:09:35,007 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 14:09:35,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=40.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:34" (1/1) ... [2020-10-08 14:09:35,036 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=40.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:34" (1/1) ... [2020-10-08 14:09:35,047 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 14:09:35,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 14:09:35,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 14:09:35,048 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 14:09:35,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=40.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:34" (1/1) ... [2020-10-08 14:09:35,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=40.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:34" (1/1) ... [2020-10-08 14:09:35,062 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=40.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:34" (1/1) ... [2020-10-08 14:09:35,062 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=40.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:34" (1/1) ... [2020-10-08 14:09:35,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=40.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:34" (1/1) ... [2020-10-08 14:09:35,087 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=40.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:34" (1/1) ... [2020-10-08 14:09:35,091 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=40.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:34" (1/1) ... [2020-10-08 14:09:35,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 14:09:35,097 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 14:09:35,097 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 14:09:35,098 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 14:09:35,098 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=40.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 14:09:35,171 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-08 14:09:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-08 14:09:35,173 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-08 14:09:35,173 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-08 14:09:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-08 14:09:35,173 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-08 14:09:35,176 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread40 given in one single declaration [2020-10-08 14:09:35,176 INFO L130 BoogieDeclarations]: Found specification of procedure thread40 [2020-10-08 14:09:35,176 INFO L138 BoogieDeclarations]: Found implementation of procedure thread40 [2020-10-08 14:09:35,176 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-08 14:09:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-08 14:09:35,177 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-08 14:09:35,177 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-08 14:09:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-08 14:09:35,177 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-08 14:09:35,177 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-08 14:09:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-08 14:09:35,178 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-08 14:09:35,178 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-08 14:09:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-08 14:09:35,179 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-08 14:09:35,179 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-08 14:09:35,179 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-08 14:09:35,180 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-08 14:09:35,186 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-08 14:09:35,187 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-08 14:09:35,187 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-08 14:09:35,188 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-08 14:09:35,188 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-08 14:09:35,188 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-08 14:09:35,188 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-08 14:09:35,189 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-08 14:09:35,189 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-08 14:09:35,189 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-08 14:09:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-08 14:09:35,190 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-08 14:09:35,190 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread39 given in one single declaration [2020-10-08 14:09:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure thread39 [2020-10-08 14:09:35,190 INFO L138 BoogieDeclarations]: Found implementation of procedure thread39 [2020-10-08 14:09:35,191 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-08 14:09:35,191 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-08 14:09:35,191 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-08 14:09:35,191 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-08 14:09:35,191 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-08 14:09:35,192 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-08 14:09:35,192 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 14:09:35,192 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 14:09:35,192 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 14:09:35,193 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 14:09:35,193 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 14:09:35,193 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 14:09:35,193 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 14:09:35,194 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 14:09:35,194 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 14:09:35,194 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 14:09:35,194 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 14:09:35,195 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 14:09:35,195 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 14:09:35,195 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 14:09:35,195 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 14:09:35,196 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 14:09:35,196 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 14:09:35,196 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 14:09:35,196 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 14:09:35,196 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 14:09:35,196 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 14:09:35,197 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 14:09:35,197 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 14:09:35,198 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 14:09:35,198 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 14:09:35,198 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 14:09:35,198 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 14:09:35,199 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-08 14:09:35,199 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-08 14:09:35,199 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-08 14:09:35,199 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread36 given in one single declaration [2020-10-08 14:09:35,199 INFO L130 BoogieDeclarations]: Found specification of procedure thread36 [2020-10-08 14:09:35,199 INFO L138 BoogieDeclarations]: Found implementation of procedure thread36 [2020-10-08 14:09:35,199 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-08 14:09:35,200 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-08 14:09:35,200 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-08 14:09:35,200 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread35 given in one single declaration [2020-10-08 14:09:35,200 INFO L130 BoogieDeclarations]: Found specification of procedure thread35 [2020-10-08 14:09:35,200 INFO L138 BoogieDeclarations]: Found implementation of procedure thread35 [2020-10-08 14:09:35,201 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-08 14:09:35,201 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-08 14:09:35,202 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-08 14:09:35,202 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 14:09:35,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 14:09:35,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 14:09:35,202 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread38 given in one single declaration [2020-10-08 14:09:35,202 INFO L130 BoogieDeclarations]: Found specification of procedure thread38 [2020-10-08 14:09:35,203 INFO L138 BoogieDeclarations]: Found implementation of procedure thread38 [2020-10-08 14:09:35,203 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-08 14:09:35,203 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-08 14:09:35,203 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-08 14:09:35,203 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread37 given in one single declaration [2020-10-08 14:09:35,203 INFO L130 BoogieDeclarations]: Found specification of procedure thread37 [2020-10-08 14:09:35,204 INFO L138 BoogieDeclarations]: Found implementation of procedure thread37 [2020-10-08 14:09:35,204 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-08 14:09:35,204 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-08 14:09:35,204 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-08 14:09:35,204 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-10-08 14:09:35,204 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-10-08 14:09:35,205 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-10-08 14:09:35,205 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 14:09:35,205 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 14:09:35,205 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 14:09:35,206 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-08 14:09:35,206 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-08 14:09:35,209 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-08 14:09:35,209 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-10-08 14:09:35,209 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-10-08 14:09:35,209 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-10-08 14:09:35,210 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 14:09:35,210 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 14:09:35,210 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 14:09:35,210 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-10-08 14:09:35,210 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-10-08 14:09:35,210 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-10-08 14:09:35,211 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 14:09:35,211 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 14:09:35,211 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 14:09:35,213 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-08 14:09:35,677 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 14:09:35,677 INFO L298 CfgBuilder]: Removed 40 assume(true) statements. [2020-10-08 14:09:35,679 INFO L202 PluginConnector]: Adding new model example2_N=40.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 02:09:35 BoogieIcfgContainer [2020-10-08 14:09:35,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 14:09:35,681 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 14:09:35,681 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 14:09:35,684 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 14:09:35,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=40.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:34" (1/2) ... [2020-10-08 14:09:35,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5965ad31 and model type example2_N=40.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 02:09:35, skipping insertion in model container [2020-10-08 14:09:35,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=40.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 02:09:35" (2/2) ... [2020-10-08 14:09:35,688 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=40.bpl [2020-10-08 14:09:35,699 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 14:09:35,699 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 14:09:35,706 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 14:09:35,707 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 14:09:36,559 INFO L253 AbstractCegarLoop]: Starting to check reachability of 41 error locations. [2020-10-08 14:09:36,581 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 14:09:36,582 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 14:09:36,582 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 14:09:36,582 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 14:09:36,582 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 14:09:36,582 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 14:09:36,582 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 14:09:36,583 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 14:09:36,607 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-08 14:09:36,610 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 325 places, 244 transitions, 808 flow [2020-10-08 14:09:36,613 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 325 places, 244 transitions, 808 flow [2020-10-08 14:09:36,615 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 325 places, 244 transitions, 808 flow [2020-10-08 14:09:36,753 INFO L129 PetriNetUnfolder]: 40/204 cut-off events. [2020-10-08 14:09:36,754 INFO L130 PetriNetUnfolder]: For 40/40 co-relation queries the response was YES. [2020-10-08 14:09:36,771 INFO L80 FinitePrefix]: Finished finitePrefix Result has 365 conditions, 204 events. 40/204 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 281 event pairs, 0 based on Foata normal form. 0/163 useless extension candidates. Maximal degree in co-relation 237. Up to 2 conditions per place. [2020-10-08 14:09:36,793 INFO L117 LiptonReduction]: Number of co-enabled transitions 23400 [2020-10-08 14:09:38,100 INFO L132 LiptonReduction]: Checked pairs total: 37011 [2020-10-08 14:09:38,100 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-08 14:09:38,108 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 323 places, 242 transitions, 804 flow Received shutdown request... [2020-10-08 14:23:11,004 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-08 14:23:11,007 WARN L235 ceAbstractionStarter]: Timeout [2020-10-08 14:23:11,008 INFO L202 PluginConnector]: Adding new model example2_N=40.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 02:23:11 BasicIcfg [2020-10-08 14:23:11,008 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-08 14:23:11,010 INFO L168 Benchmark]: Toolchain (without parser) took 816003.76 ms. Allocated memory was 250.1 MB in the beginning and 8.3 GB in the end (delta: 8.0 GB). Free memory was 224.0 MB in the beginning and 2.7 GB in the end (delta: -2.5 GB). Peak memory consumption was 7.6 GB. Max. memory is 14.2 GB. [2020-10-08 14:23:11,011 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 250.1 MB. Free memory is still 226.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 14:23:11,012 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.11 ms. Allocated memory is still 250.1 MB. Free memory was 224.0 MB in the beginning and 221.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 14:23:11,017 INFO L168 Benchmark]: Boogie Preprocessor took 49.54 ms. Allocated memory is still 250.1 MB. Free memory was 221.4 MB in the beginning and 218.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 14:23:11,024 INFO L168 Benchmark]: RCFGBuilder took 582.48 ms. Allocated memory is still 250.1 MB. Free memory was 218.9 MB in the beginning and 183.7 MB in the end (delta: 35.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 14.2 GB. [2020-10-08 14:23:11,026 INFO L168 Benchmark]: TraceAbstraction took 815327.18 ms. Allocated memory was 250.1 MB in the beginning and 8.3 GB in the end (delta: 8.0 GB). Free memory was 183.7 MB in the beginning and 2.7 GB in the end (delta: -2.5 GB). Peak memory consumption was 7.5 GB. Max. memory is 14.2 GB. [2020-10-08 14:23:11,029 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 0.22 ms. Allocated memory is still 250.1 MB. Free memory is still 226.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 40.11 ms. Allocated memory is still 250.1 MB. Free memory was 224.0 MB in the beginning and 221.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 49.54 ms. Allocated memory is still 250.1 MB. Free memory was 221.4 MB in the beginning and 218.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 582.48 ms. Allocated memory is still 250.1 MB. Free memory was 218.9 MB in the beginning and 183.7 MB in the end (delta: 35.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 14.2 GB. * TraceAbstraction took 815327.18 ms. Allocated memory was 250.1 MB in the beginning and 8.3 GB in the end (delta: 8.0 GB). Free memory was 183.7 MB in the beginning and 2.7 GB in the end (delta: -2.5 GB). Peak memory consumption was 7.5 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 6319 VarBasedMoverChecksPositive, 273 VarBasedMoverChecksNegative, 157 SemBasedMoverChecksPositive, 116 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.9s, 6433 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.4s, 325 PlacesBefore, 323 PlacesAfterwards, 244 TransitionsBefore, 242 TransitionsAfterwards, 23400 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 37011 MoverChecksTotal - TimeoutResultAtElement [Line: 90]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 90). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 323 places, 242 transitions, 804 flow. Already constructed 877951 states. Currently 438979 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 205 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 814.4s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 814.4s, 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