/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=31.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-50b6972 [2020-10-06 18:49:59,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 18:49:59,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 18:49:59,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 18:49:59,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 18:49:59,217 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 18:49:59,220 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 18:49:59,223 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 18:49:59,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 18:49:59,229 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 18:49:59,230 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 18:49:59,231 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 18:49:59,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 18:49:59,233 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 18:49:59,235 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 18:49:59,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 18:49:59,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 18:49:59,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 18:49:59,240 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 18:49:59,247 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 18:49:59,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 18:49:59,250 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 18:49:59,251 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 18:49:59,252 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 18:49:59,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-06 18:49:59,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-06 18:49:59,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-06 18:49:59,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-06 18:49:59,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-06 18:49:59,269 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-06 18:49:59,269 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 18:49:59,270 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 18:49:59,272 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 18:49:59,273 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 18:49:59,274 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 18:49:59,274 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 18:49:59,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 18:49:59,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 18:49:59,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 18:49:59,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 18:49:59,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 18:49:59,281 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 18:49:59,319 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 18:49:59,319 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 18:49:59,320 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 18:49:59,320 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 18:49:59,321 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 18:49:59,321 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 18:49:59,321 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 18:49:59,321 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 18:49:59,321 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 18:49:59,322 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 18:49:59,323 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 18:49:59,323 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 18:49:59,323 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 18:49:59,323 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 18:49:59,324 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 18:49:59,325 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 18:49:59,325 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 18:49:59,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 18:49:59,325 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 18:49:59,325 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 18:49:59,326 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 18:49:59,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 18:49:59,327 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 18:49:59,327 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-06 18:49:59,327 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 18:49:59,327 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 18:49:59,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 18:49:59,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 18:49:59,328 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-06 18:49:59,328 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-06 18:49:59,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 18:49:59,635 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 18:49:59,638 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 18:49:59,639 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-06 18:49:59,640 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-06 18:49:59,640 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=31.bpl [2020-10-06 18:49:59,641 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=31.bpl' [2020-10-06 18:49:59,691 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 18:49:59,693 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-06 18:49:59,694 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 18:49:59,694 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 18:49:59,694 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 18:49:59,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:59" (1/1) ... [2020-10-06 18:49:59,719 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:59" (1/1) ... [2020-10-06 18:49:59,733 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 18:49:59,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 18:49:59,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 18:49:59,734 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 18:49:59,746 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:59" (1/1) ... [2020-10-06 18:49:59,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:59" (1/1) ... [2020-10-06 18:49:59,749 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:59" (1/1) ... [2020-10-06 18:49:59,749 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:59" (1/1) ... [2020-10-06 18:49:59,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:59" (1/1) ... [2020-10-06 18:49:59,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:59" (1/1) ... [2020-10-06 18:49:59,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:59" (1/1) ... [2020-10-06 18:49:59,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 18:49:59,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 18:49:59,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 18:49:59,780 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 18:49:59,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:59" (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 18:49:59,874 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-06 18:49:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-06 18:49:59,875 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-06 18:49:59,876 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-06 18:49:59,876 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-06 18:49:59,876 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-06 18:49:59,877 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-06 18:49:59,877 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-06 18:49:59,877 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-06 18:49:59,877 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-06 18:49:59,878 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-06 18:49:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-06 18:49:59,878 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-06 18:49:59,878 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-06 18:49:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-06 18:49:59,878 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-06 18:49:59,879 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-06 18:49:59,879 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-06 18:49:59,879 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-06 18:49:59,879 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-06 18:49:59,880 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-06 18:49:59,880 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-06 18:49:59,881 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-06 18:49:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-06 18:49:59,887 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-06 18:49:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-06 18:49:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-06 18:49:59,889 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-06 18:49:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-06 18:49:59,890 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-06 18:49:59,890 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-06 18:49:59,890 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-06 18:49:59,890 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-06 18:49:59,890 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-06 18:49:59,891 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-06 18:49:59,891 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-06 18:49:59,891 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-06 18:49:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-06 18:49:59,892 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-06 18:49:59,892 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-06 18:49:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-06 18:49:59,892 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-06 18:49:59,892 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-06 18:49:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-06 18:49:59,893 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-06 18:49:59,893 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-06 18:49:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-06 18:49:59,894 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-06 18:49:59,894 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-06 18:49:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-06 18:49:59,895 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-06 18:49:59,895 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-06 18:49:59,895 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-06 18:49:59,895 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-06 18:49:59,895 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-06 18:49:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-06 18:49:59,896 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-06 18:49:59,896 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-06 18:49:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-06 18:49:59,897 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-06 18:49:59,897 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-06 18:49:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-06 18:49:59,897 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-06 18:49:59,897 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-06 18:49:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-06 18:49:59,898 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-06 18:49:59,899 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-06 18:49:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-06 18:49:59,899 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-06 18:49:59,899 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-06 18:49:59,900 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-06 18:49:59,900 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-06 18:49:59,900 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-06 18:49:59,900 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-06 18:49:59,901 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-06 18:49:59,901 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-06 18:49:59,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 18:49:59,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 18:49:59,901 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-06 18:49:59,902 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-06 18:49:59,902 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-06 18:49:59,902 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-06 18:49:59,902 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-06 18:49:59,903 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-06 18:49:59,903 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-06 18:49:59,904 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-06 18:49:59,904 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-06 18:49:59,904 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-06 18:49:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-06 18:49:59,905 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-06 18:49:59,905 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-06 18:49:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-06 18:49:59,905 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-06 18:49:59,905 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-06 18:49:59,906 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-06 18:49:59,906 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-06 18:49:59,908 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 18:50:00,267 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 18:50:00,268 INFO L298 CfgBuilder]: Removed 31 assume(true) statements. [2020-10-06 18:50:00,270 INFO L202 PluginConnector]: Adding new model example2_N=31.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 06:50:00 BoogieIcfgContainer [2020-10-06 18:50:00,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 18:50:00,271 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 18:50:00,271 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 18:50:00,274 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 18:50:00,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:59" (1/2) ... [2020-10-06 18:50:00,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c210eb0 and model type example2_N=31.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 06:50:00, skipping insertion in model container [2020-10-06 18:50:00,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=31.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 06:50:00" (2/2) ... [2020-10-06 18:50:00,277 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=31.bpl [2020-10-06 18:50:00,288 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 18:50:00,288 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-06 18:50:00,295 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 18:50:00,296 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 18:50:00,812 INFO L253 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2020-10-06 18:50:00,835 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-06 18:50:00,835 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-06 18:50:00,835 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-06 18:50:00,835 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-06 18:50:00,835 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 18:50:00,835 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-06 18:50:00,836 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 18:50:00,836 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 18:50:00,855 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-06 18:50:00,858 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 253 places, 190 transitions, 628 flow [2020-10-06 18:50:00,860 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 253 places, 190 transitions, 628 flow [2020-10-06 18:50:00,862 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 253 places, 190 transitions, 628 flow [2020-10-06 18:50:00,965 INFO L129 PetriNetUnfolder]: 31/159 cut-off events. [2020-10-06 18:50:00,966 INFO L130 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2020-10-06 18:50:00,979 INFO L80 FinitePrefix]: Finished finitePrefix Result has 284 conditions, 159 events. 31/159 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 221 event pairs, 0 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 183. Up to 2 conditions per place. [2020-10-06 18:50:00,992 INFO L117 LiptonReduction]: Number of co-enabled transitions 13950 [2020-10-06 18:50:01,974 INFO L132 LiptonReduction]: Checked pairs total: 21990 [2020-10-06 18:50:01,975 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-06 18:50:01,981 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 251 places, 188 transitions, 624 flow Received shutdown request... [2020-10-06 19:03:41,643 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-06 19:03:41,646 WARN L235 ceAbstractionStarter]: Timeout [2020-10-06 19:03:41,647 INFO L202 PluginConnector]: Adding new model example2_N=31.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 07:03:41 BasicIcfg [2020-10-06 19:03:41,647 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 19:03:41,650 INFO L168 Benchmark]: Toolchain (without parser) took 821956.28 ms. Allocated memory was 252.7 MB in the beginning and 7.5 GB in the end (delta: 7.2 GB). Free memory was 226.6 MB in the beginning and 1.1 GB in the end (delta: -873.2 MB). Peak memory consumption was 6.6 GB. Max. memory is 14.2 GB. [2020-10-06 19:03:41,651 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 252.7 MB. Free memory is still 229.1 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 19:03:41,652 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.78 ms. Allocated memory is still 252.7 MB. Free memory is still 226.6 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 19:03:41,653 INFO L168 Benchmark]: Boogie Preprocessor took 46.06 ms. Allocated memory is still 252.7 MB. Free memory was 226.6 MB in the beginning and 224.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-06 19:03:41,654 INFO L168 Benchmark]: RCFGBuilder took 490.02 ms. Allocated memory is still 252.7 MB. Free memory was 224.1 MB in the beginning and 193.8 MB in the end (delta: 30.2 MB). Peak memory consumption was 30.2 MB. Max. memory is 14.2 GB. [2020-10-06 19:03:41,655 INFO L168 Benchmark]: TraceAbstraction took 821376.11 ms. Allocated memory was 252.7 MB in the beginning and 7.5 GB in the end (delta: 7.2 GB). Free memory was 191.3 MB in the beginning and 1.1 GB in the end (delta: -908.5 MB). Peak memory consumption was 6.6 GB. Max. memory is 14.2 GB. [2020-10-06 19:03:41,659 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 0.17 ms. Allocated memory is still 252.7 MB. Free memory is still 229.1 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 39.78 ms. Allocated memory is still 252.7 MB. Free memory is still 226.6 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Preprocessor took 46.06 ms. Allocated memory is still 252.7 MB. Free memory was 226.6 MB in the beginning and 224.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 490.02 ms. Allocated memory is still 252.7 MB. Free memory was 224.1 MB in the beginning and 193.8 MB in the end (delta: 30.2 MB). Peak memory consumption was 30.2 MB. Max. memory is 14.2 GB. * TraceAbstraction took 821376.11 ms. Allocated memory was 252.7 MB in the beginning and 7.5 GB in the end (delta: 7.2 GB). Free memory was 191.3 MB in the beginning and 1.1 GB in the end (delta: -908.5 MB). Peak memory consumption was 6.6 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 5602 VarBasedMoverChecksPositive, 210 VarBasedMoverChecksNegative, 121 SemBasedMoverChecksPositive, 89 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.7s, 5662 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.1s, 253 PlacesBefore, 251 PlacesAfterwards, 190 TransitionsBefore, 188 TransitionsAfterwards, 13950 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 21990 MoverChecksTotal - TimeoutResultAtElement [Line: 72]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 72). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 251 places, 188 transitions, 624 flow. Already constructed 801606 states. Currently 400806 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 160 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 820.8s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 820.8s, 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