/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/automizer/concurrent/VMCAI2021_FA.epf -i ../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=20.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b665a9c [2020-09-29 13:21:51,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-29 13:21:51,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-29 13:21:51,940 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-29 13:21:51,940 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-29 13:21:51,948 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-29 13:21:51,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-29 13:21:51,956 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-29 13:21:51,959 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-29 13:21:51,962 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-29 13:21:51,963 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-29 13:21:51,965 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-29 13:21:51,966 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-29 13:21:51,968 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-29 13:21:51,971 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-29 13:21:51,973 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-29 13:21:51,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-29 13:21:51,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-29 13:21:51,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-29 13:21:51,987 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-29 13:21:51,989 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-29 13:21:51,991 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-29 13:21:51,992 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-29 13:21:51,992 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-29 13:21:52,005 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-29 13:21:52,010 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-29 13:21:52,010 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-29 13:21:52,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-29 13:21:52,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-29 13:21:52,013 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-29 13:21:52,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-29 13:21:52,014 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-29 13:21:52,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-29 13:21:52,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-29 13:21:52,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-29 13:21:52,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-29 13:21:52,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-29 13:21:52,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-29 13:21:52,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-29 13:21:52,019 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-29 13:21:52,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-29 13:21:52,020 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_FA.epf [2020-09-29 13:21:52,046 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-29 13:21:52,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-29 13:21:52,047 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-29 13:21:52,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-29 13:21:52,048 INFO L138 SettingsManager]: * Use SBE=true [2020-09-29 13:21:52,048 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-29 13:21:52,048 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-29 13:21:52,048 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-29 13:21:52,049 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-29 13:21:52,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-29 13:21:52,049 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-29 13:21:52,049 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-29 13:21:52,049 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-29 13:21:52,050 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-29 13:21:52,050 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-29 13:21:52,050 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-29 13:21:52,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-29 13:21:52,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-29 13:21:52,051 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-29 13:21:52,051 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-29 13:21:52,051 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-29 13:21:52,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-29 13:21:52,052 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-29 13:21:52,052 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-29 13:21:52,052 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-29 13:21:52,052 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-09-29 13:21:52,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-29 13:21:52,053 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-09-29 13:21:52,053 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-29 13:21:52,053 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-29 13:21:52,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-29 13:21:52,561 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-29 13:21:52,566 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-29 13:21:52,567 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-09-29 13:21:52,568 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-09-29 13:21:52,569 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=20.bpl [2020-09-29 13:21:52,570 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=20.bpl' [2020-09-29 13:21:52,625 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-29 13:21:52,635 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-29 13:21:52,636 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-29 13:21:52,636 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-29 13:21:52,636 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-29 13:21:52,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:21:52" (1/1) ... [2020-09-29 13:21:52,670 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:21:52" (1/1) ... [2020-09-29 13:21:52,682 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-29 13:21:52,683 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-29 13:21:52,683 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-29 13:21:52,684 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-29 13:21:52,697 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:21:52" (1/1) ... [2020-09-29 13:21:52,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:21:52" (1/1) ... [2020-09-29 13:21:52,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:21:52" (1/1) ... [2020-09-29 13:21:52,700 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:21:52" (1/1) ... [2020-09-29 13:21:52,707 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:21:52" (1/1) ... [2020-09-29 13:21:52,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:21:52" (1/1) ... [2020-09-29 13:21:52,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:21:52" (1/1) ... [2020-09-29 13:21:52,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-29 13:21:52,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-29 13:21:52,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-29 13:21:52,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-29 13:21:52,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:21:52" (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 [2020-09-29 13:21:52,828 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-09-29 13:21:52,828 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-09-29 13:21:52,829 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-09-29 13:21:52,830 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-09-29 13:21:52,830 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-09-29 13:21:52,831 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-09-29 13:21:52,831 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-09-29 13:21:52,831 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-09-29 13:21:52,831 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-09-29 13:21:52,831 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-09-29 13:21:52,832 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-09-29 13:21:52,832 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-09-29 13:21:52,833 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-09-29 13:21:52,833 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-09-29 13:21:52,833 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-09-29 13:21:52,833 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-09-29 13:21:52,833 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-09-29 13:21:52,834 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-09-29 13:21:52,834 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-09-29 13:21:52,834 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-09-29 13:21:52,835 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-09-29 13:21:52,836 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-09-29 13:21:52,836 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-09-29 13:21:52,837 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-09-29 13:21:52,844 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-09-29 13:21:52,845 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-09-29 13:21:52,846 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-09-29 13:21:52,848 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-09-29 13:21:52,848 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-09-29 13:21:52,848 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-09-29 13:21:52,848 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-09-29 13:21:52,849 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-09-29 13:21:52,849 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-09-29 13:21:52,849 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-09-29 13:21:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-09-29 13:21:52,851 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-09-29 13:21:52,851 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-09-29 13:21:52,851 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-09-29 13:21:52,851 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-09-29 13:21:52,851 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-09-29 13:21:52,852 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-09-29 13:21:52,852 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-09-29 13:21:52,852 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-09-29 13:21:52,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-29 13:21:52,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-29 13:21:52,852 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-09-29 13:21:52,853 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-09-29 13:21:52,853 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-09-29 13:21:52,853 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-09-29 13:21:52,853 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-09-29 13:21:52,853 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-09-29 13:21:52,854 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-09-29 13:21:52,854 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-09-29 13:21:52,854 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-09-29 13:21:52,855 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-09-29 13:21:52,855 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-09-29 13:21:52,855 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-09-29 13:21:52,855 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-09-29 13:21:52,856 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-09-29 13:21:52,856 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-09-29 13:21:52,856 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-09-29 13:21:52,856 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-09-29 13:21:52,857 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-09-29 13:21:52,859 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-29 13:21:53,183 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-29 13:21:53,184 INFO L298 CfgBuilder]: Removed 20 assume(true) statements. [2020-09-29 13:21:53,190 INFO L202 PluginConnector]: Adding new model example2_N=20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 01:21:53 BoogieIcfgContainer [2020-09-29 13:21:53,190 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-29 13:21:53,192 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-29 13:21:53,193 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-29 13:21:53,197 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-29 13:21:53,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:21:52" (1/2) ... [2020-09-29 13:21:53,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bb523cd and model type example2_N=20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 01:21:53, skipping insertion in model container [2020-09-29 13:21:53,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 01:21:53" (2/2) ... [2020-09-29 13:21:53,202 INFO L109 eAbstractionObserver]: Analyzing ICFG example2_N=20.bpl [2020-09-29 13:21:53,215 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-29 13:21:53,215 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-29 13:21:53,226 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-29 13:21:53,227 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-29 13:21:53,604 INFO L251 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2020-09-29 13:21:53,633 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-29 13:21:53,633 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-29 13:21:53,633 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-29 13:21:53,633 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-29 13:21:53,633 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-29 13:21:53,634 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-29 13:21:53,634 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-29 13:21:53,634 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-29 13:21:53,673 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 145 places, 104 transitions, 368 flow Received shutdown request... [2020-09-29 13:35:21,811 WARN L544 AbstractCegarLoop]: Verification canceled [2020-09-29 13:35:21,825 WARN L228 ceAbstractionStarter]: Timeout [2020-09-29 13:35:21,825 INFO L202 PluginConnector]: Adding new model example2_N=20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 01:35:21 BasicIcfg [2020-09-29 13:35:21,826 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-29 13:35:21,831 INFO L168 Benchmark]: Toolchain (without parser) took 809201.23 ms. Allocated memory was 249.0 MB in the beginning and 8.7 GB in the end (delta: 8.5 GB). Free memory was 225.4 MB in the beginning and 3.5 GB in the end (delta: -3.3 GB). Peak memory consumption was 7.7 GB. Max. memory is 14.2 GB. [2020-09-29 13:35:21,832 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.34 ms. Allocated memory is still 249.0 MB. Free memory is still 225.4 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-09-29 13:35:21,834 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.27 ms. Allocated memory is still 249.0 MB. Free memory is still 222.9 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-09-29 13:35:21,836 INFO L168 Benchmark]: Boogie Preprocessor took 37.69 ms. Allocated memory is still 249.0 MB. Free memory was 222.9 MB in the beginning and 220.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-09-29 13:35:21,839 INFO L168 Benchmark]: RCFGBuilder took 468.86 ms. Allocated memory is still 249.0 MB. Free memory was 220.4 MB in the beginning and 200.0 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 14.2 GB. [2020-09-29 13:35:21,841 INFO L168 Benchmark]: TraceAbstraction took 808633.42 ms. Allocated memory was 249.0 MB in the beginning and 8.7 GB in the end (delta: 8.5 GB). Free memory was 200.0 MB in the beginning and 3.5 GB in the end (delta: -3.3 GB). Peak memory consumption was 7.6 GB. Max. memory is 14.2 GB. [2020-09-29 13:35:21,852 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 0.34 ms. Allocated memory is still 249.0 MB. Free memory is still 225.4 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 47.27 ms. Allocated memory is still 249.0 MB. Free memory is still 222.9 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Preprocessor took 37.69 ms. Allocated memory is still 249.0 MB. Free memory was 222.9 MB in the beginning and 220.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 468.86 ms. Allocated memory is still 249.0 MB. Free memory was 220.4 MB in the beginning and 200.0 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 14.2 GB. * TraceAbstraction took 808633.42 ms. Allocated memory was 249.0 MB in the beginning and 8.7 GB in the end (delta: 8.5 GB). Free memory was 200.0 MB in the beginning and 3.5 GB in the end (delta: -3.3 GB). Peak memory consumption was 7.6 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 50]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 50). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 145 places, 104 transitions, 368 flow. Already constructed 631124 states. Currently 221230 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 21 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 808.1s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 808.1s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown