/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=44.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-50b6972 [2020-10-06 19:17:03,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 19:17:03,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 19:17:03,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 19:17:03,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 19:17:03,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 19:17:03,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 19:17:03,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 19:17:03,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 19:17:03,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 19:17:03,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 19:17:03,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 19:17:03,245 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 19:17:03,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 19:17:03,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 19:17:03,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 19:17:03,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 19:17:03,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 19:17:03,251 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 19:17:03,253 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 19:17:03,255 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 19:17:03,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 19:17:03,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 19:17:03,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 19:17:03,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-06 19:17:03,260 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-06 19:17:03,260 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-06 19:17:03,261 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-06 19:17:03,261 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-06 19:17:03,262 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-06 19:17:03,263 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 19:17:03,263 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 19:17:03,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 19:17:03,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 19:17:03,266 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 19:17:03,266 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 19:17:03,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 19:17:03,267 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 19:17:03,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 19:17:03,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 19:17:03,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 19:17:03,269 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-06 19:17:03,291 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 19:17:03,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 19:17:03,292 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 19:17:03,293 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 19:17:03,293 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 19:17:03,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 19:17:03,293 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 19:17:03,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 19:17:03,294 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 19:17:03,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 19:17:03,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 19:17:03,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 19:17:03,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 19:17:03,295 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 19:17:03,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 19:17:03,295 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 19:17:03,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 19:17:03,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 19:17:03,295 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 19:17:03,296 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 19:17:03,296 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 19:17:03,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 19:17:03,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 19:17:03,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-06 19:17:03,297 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 19:17:03,297 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 19:17:03,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 19:17:03,297 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 19:17:03,297 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-06 19:17:03,298 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-06 19:17:03,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 19:17:03,615 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 19:17:03,620 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 19:17:03,621 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-06 19:17:03,623 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-06 19:17:03,624 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=44.bpl [2020-10-06 19:17:03,625 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=44.bpl' [2020-10-06 19:17:03,692 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 19:17:03,694 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-06 19:17:03,694 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 19:17:03,694 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 19:17:03,695 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 19:17:03,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=44.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:17:03" (1/1) ... [2020-10-06 19:17:03,724 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=44.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:17:03" (1/1) ... [2020-10-06 19:17:03,735 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 19:17:03,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 19:17:03,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 19:17:03,736 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 19:17:03,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=44.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:17:03" (1/1) ... [2020-10-06 19:17:03,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=44.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:17:03" (1/1) ... [2020-10-06 19:17:03,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=44.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:17:03" (1/1) ... [2020-10-06 19:17:03,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=44.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:17:03" (1/1) ... [2020-10-06 19:17:03,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=44.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:17:03" (1/1) ... [2020-10-06 19:17:03,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=44.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:17:03" (1/1) ... [2020-10-06 19:17:03,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=44.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:17:03" (1/1) ... [2020-10-06 19:17:03,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 19:17:03,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 19:17:03,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 19:17:03,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 19:17:03,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=44.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:17:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 19:17:03,882 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-06 19:17:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-06 19:17:03,884 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-06 19:17:03,884 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-06 19:17:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-06 19:17:03,885 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-06 19:17:03,885 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread41 given in one single declaration [2020-10-06 19:17:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure thread41 [2020-10-06 19:17:03,885 INFO L138 BoogieDeclarations]: Found implementation of procedure thread41 [2020-10-06 19:17:03,885 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread40 given in one single declaration [2020-10-06 19:17:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure thread40 [2020-10-06 19:17:03,886 INFO L138 BoogieDeclarations]: Found implementation of procedure thread40 [2020-10-06 19:17:03,886 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-06 19:17:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-06 19:17:03,886 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-06 19:17:03,886 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-06 19:17:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-06 19:17:03,887 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-06 19:17:03,887 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-06 19:17:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-06 19:17:03,888 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-06 19:17:03,888 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-06 19:17:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-06 19:17:03,889 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-06 19:17:03,891 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread43 given in one single declaration [2020-10-06 19:17:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure thread43 [2020-10-06 19:17:03,892 INFO L138 BoogieDeclarations]: Found implementation of procedure thread43 [2020-10-06 19:17:03,893 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-06 19:17:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-06 19:17:03,893 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-06 19:17:03,895 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread42 given in one single declaration [2020-10-06 19:17:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure thread42 [2020-10-06 19:17:03,895 INFO L138 BoogieDeclarations]: Found implementation of procedure thread42 [2020-10-06 19:17:03,895 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-06 19:17:03,896 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-06 19:17:03,896 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-06 19:17:03,897 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-06 19:17:03,898 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-06 19:17:03,898 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-06 19:17:03,899 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread44 given in one single declaration [2020-10-06 19:17:03,899 INFO L130 BoogieDeclarations]: Found specification of procedure thread44 [2020-10-06 19:17:03,900 INFO L138 BoogieDeclarations]: Found implementation of procedure thread44 [2020-10-06 19:17:03,900 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-06 19:17:03,900 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-06 19:17:03,900 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-06 19:17:03,901 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-06 19:17:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-06 19:17:03,901 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-06 19:17:03,902 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread39 given in one single declaration [2020-10-06 19:17:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure thread39 [2020-10-06 19:17:03,902 INFO L138 BoogieDeclarations]: Found implementation of procedure thread39 [2020-10-06 19:17:03,903 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-06 19:17:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-06 19:17:03,903 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-06 19:17:03,903 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-06 19:17:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-06 19:17:03,904 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-06 19:17:03,904 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-06 19:17:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-06 19:17:03,905 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-06 19:17:03,905 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-06 19:17:03,906 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-06 19:17:03,906 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-06 19:17:03,906 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-06 19:17:03,906 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-06 19:17:03,907 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-06 19:17:03,908 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-06 19:17:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-06 19:17:03,908 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-06 19:17:03,908 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-06 19:17:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-06 19:17:03,908 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-06 19:17:03,909 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-06 19:17:03,909 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-06 19:17:03,909 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-06 19:17:03,909 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-06 19:17:03,909 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-06 19:17:03,909 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-06 19:17:03,910 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-06 19:17:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-06 19:17:03,910 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-06 19:17:03,910 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-06 19:17:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-06 19:17:03,910 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-06 19:17:03,911 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-06 19:17:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-06 19:17:03,912 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-06 19:17:03,912 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread36 given in one single declaration [2020-10-06 19:17:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure thread36 [2020-10-06 19:17:03,913 INFO L138 BoogieDeclarations]: Found implementation of procedure thread36 [2020-10-06 19:17:03,913 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-06 19:17:03,913 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-06 19:17:03,913 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-06 19:17:03,913 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread35 given in one single declaration [2020-10-06 19:17:03,913 INFO L130 BoogieDeclarations]: Found specification of procedure thread35 [2020-10-06 19:17:03,914 INFO L138 BoogieDeclarations]: Found implementation of procedure thread35 [2020-10-06 19:17:03,914 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-06 19:17:03,914 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-06 19:17:03,914 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-06 19:17:03,914 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-06 19:17:03,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 19:17:03,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 19:17:03,915 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread38 given in one single declaration [2020-10-06 19:17:03,915 INFO L130 BoogieDeclarations]: Found specification of procedure thread38 [2020-10-06 19:17:03,915 INFO L138 BoogieDeclarations]: Found implementation of procedure thread38 [2020-10-06 19:17:03,915 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-06 19:17:03,915 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-06 19:17:03,916 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-06 19:17:03,917 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread37 given in one single declaration [2020-10-06 19:17:03,917 INFO L130 BoogieDeclarations]: Found specification of procedure thread37 [2020-10-06 19:17:03,920 INFO L138 BoogieDeclarations]: Found implementation of procedure thread37 [2020-10-06 19:17:03,921 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-06 19:17:03,921 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-06 19:17:03,921 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-06 19:17:03,921 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-10-06 19:17:03,921 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-10-06 19:17:03,921 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-10-06 19:17:03,922 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-06 19:17:03,922 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-06 19:17:03,922 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-06 19:17:03,922 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-06 19:17:03,922 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-06 19:17:03,922 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-06 19:17:03,923 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-10-06 19:17:03,923 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-10-06 19:17:03,923 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-10-06 19:17:03,923 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-06 19:17:03,923 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-06 19:17:03,923 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-06 19:17:03,924 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-10-06 19:17:03,924 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-10-06 19:17:03,925 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-10-06 19:17:03,925 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-06 19:17:03,925 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-06 19:17:03,925 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-06 19:17:03,929 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-06 19:17:04,499 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 19:17:04,499 INFO L298 CfgBuilder]: Removed 44 assume(true) statements. [2020-10-06 19:17:04,502 INFO L202 PluginConnector]: Adding new model example2_N=44.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 07:17:04 BoogieIcfgContainer [2020-10-06 19:17:04,502 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 19:17:04,503 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 19:17:04,503 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 19:17:04,507 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 19:17:04,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=44.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:17:03" (1/2) ... [2020-10-06 19:17:04,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b9126fb and model type example2_N=44.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 07:17:04, skipping insertion in model container [2020-10-06 19:17:04,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=44.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 07:17:04" (2/2) ... [2020-10-06 19:17:04,511 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=44.bpl [2020-10-06 19:17:04,522 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 19:17:04,522 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-06 19:17:04,530 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 19:17:04,531 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 19:17:05,322 INFO L253 AbstractCegarLoop]: Starting to check reachability of 45 error locations. [2020-10-06 19:17:05,343 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-06 19:17:05,344 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-06 19:17:05,344 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-06 19:17:05,344 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-06 19:17:05,344 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 19:17:05,344 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-06 19:17:05,344 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 19:17:05,345 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 19:17:05,368 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-06 19:17:05,370 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 357 places, 268 transitions, 888 flow [2020-10-06 19:17:05,373 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 357 places, 268 transitions, 888 flow [2020-10-06 19:17:05,375 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 357 places, 268 transitions, 888 flow [2020-10-06 19:17:05,554 INFO L129 PetriNetUnfolder]: 44/224 cut-off events. [2020-10-06 19:17:05,554 INFO L130 PetriNetUnfolder]: For 44/44 co-relation queries the response was YES. [2020-10-06 19:17:05,569 INFO L80 FinitePrefix]: Finished finitePrefix Result has 401 conditions, 224 events. 44/224 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 303 event pairs, 0 based on Foata normal form. 0/179 useless extension candidates. Maximal degree in co-relation 261. Up to 2 conditions per place. [2020-10-06 19:17:05,595 INFO L117 LiptonReduction]: Number of co-enabled transitions 28380 [2020-10-06 19:17:06,609 INFO L132 LiptonReduction]: Checked pairs total: 44935 [2020-10-06 19:17:06,609 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-06 19:17:06,617 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 355 places, 266 transitions, 884 flow Received shutdown request... [2020-10-06 19:30:38,875 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-06 19:30:38,878 WARN L235 ceAbstractionStarter]: Timeout [2020-10-06 19:30:38,879 INFO L202 PluginConnector]: Adding new model example2_N=44.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 07:30:38 BasicIcfg [2020-10-06 19:30:38,879 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 19:30:38,886 INFO L168 Benchmark]: Toolchain (without parser) took 815187.94 ms. Allocated memory was 251.1 MB in the beginning and 8.1 GB in the end (delta: 7.8 GB). Free memory was 225.8 MB in the beginning and 1.9 GB in the end (delta: -1.6 GB). Peak memory consumption was 7.4 GB. Max. memory is 14.2 GB. [2020-10-06 19:30:38,892 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 251.1 MB. Free memory is still 228.4 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 19:30:38,895 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.15 ms. Allocated memory is still 251.1 MB. Free memory was 225.8 MB in the beginning and 224.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-06 19:30:38,896 INFO L168 Benchmark]: Boogie Preprocessor took 71.26 ms. Allocated memory is still 251.1 MB. Free memory was 224.2 MB in the beginning and 221.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-06 19:30:38,898 INFO L168 Benchmark]: RCFGBuilder took 694.77 ms. Allocated memory is still 251.1 MB. Free memory was 221.6 MB in the beginning and 182.1 MB in the end (delta: 39.6 MB). Peak memory consumption was 39.6 MB. Max. memory is 14.2 GB. [2020-10-06 19:30:38,900 INFO L168 Benchmark]: TraceAbstraction took 814376.10 ms. Allocated memory was 251.1 MB in the beginning and 8.1 GB in the end (delta: 7.8 GB). Free memory was 181.2 MB in the beginning and 1.9 GB in the end (delta: -1.7 GB). Peak memory consumption was 7.4 GB. Max. memory is 14.2 GB. [2020-10-06 19:30:38,907 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 0.18 ms. Allocated memory is still 251.1 MB. Free memory is still 228.4 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 41.15 ms. Allocated memory is still 251.1 MB. Free memory was 225.8 MB in the beginning and 224.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 71.26 ms. Allocated memory is still 251.1 MB. Free memory was 224.2 MB in the beginning and 221.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 694.77 ms. Allocated memory is still 251.1 MB. Free memory was 221.6 MB in the beginning and 182.1 MB in the end (delta: 39.6 MB). Peak memory consumption was 39.6 MB. Max. memory is 14.2 GB. * TraceAbstraction took 814376.10 ms. Allocated memory was 251.1 MB in the beginning and 8.1 GB in the end (delta: 7.8 GB). Free memory was 181.2 MB in the beginning and 1.9 GB in the end (delta: -1.7 GB). Peak memory consumption was 7.4 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 10624 VarBasedMoverChecksPositive, 215 VarBasedMoverChecksNegative, 130 SemBasedMoverChecksPositive, 85 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.7s, 10648 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.2s, 357 PlacesBefore, 355 PlacesAfterwards, 268 TransitionsBefore, 266 TransitionsAfterwards, 28380 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 44935 MoverChecksTotal - TimeoutResultAtElement [Line: 98]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 98). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 355 places, 266 transitions, 884 flow. Already constructed 883364 states. Currently 441684 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 225 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 813.5s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 813.5s, 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