/usr/bin/java -Xmx8000000000 -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=20.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b665a9c [2020-09-29 10:29:59,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-29 10:29:59,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-29 10:29:59,986 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-29 10:29:59,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-29 10:29:59,988 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-29 10:29:59,990 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-29 10:29:59,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-29 10:29:59,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-29 10:29:59,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-29 10:29:59,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-29 10:29:59,998 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-29 10:29:59,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-29 10:30:00,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-29 10:30:00,001 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-29 10:30:00,002 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-29 10:30:00,004 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-29 10:30:00,005 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-29 10:30:00,007 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-29 10:30:00,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-29 10:30:00,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-29 10:30:00,017 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-29 10:30:00,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-29 10:30:00,022 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-29 10:30:00,028 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-29 10:30:00,029 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-29 10:30:00,029 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-29 10:30:00,031 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-29 10:30:00,031 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-29 10:30:00,033 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-29 10:30:00,035 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-29 10:30:00,036 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-29 10:30:00,037 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-29 10:30:00,038 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-29 10:30:00,039 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-29 10:30:00,039 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-29 10:30:00,040 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-29 10:30:00,041 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-29 10:30:00,041 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-29 10:30:00,042 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-29 10:30:00,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-29 10:30:00,045 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 [2020-09-29 10:30:00,092 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-29 10:30:00,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-29 10:30:00,095 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-29 10:30:00,095 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-29 10:30:00,095 INFO L138 SettingsManager]: * Use SBE=true [2020-09-29 10:30:00,096 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-29 10:30:00,096 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-29 10:30:00,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-29 10:30:00,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-29 10:30:00,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-29 10:30:00,097 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-29 10:30:00,098 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-29 10:30:00,098 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-29 10:30:00,098 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-29 10:30:00,099 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-29 10:30:00,099 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-29 10:30:00,099 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-29 10:30:00,099 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-29 10:30:00,100 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-29 10:30:00,100 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-29 10:30:00,100 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-29 10:30:00,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-29 10:30:00,101 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-29 10:30:00,101 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-29 10:30:00,101 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-29 10:30:00,101 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-29 10:30:00,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-29 10:30:00,101 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-29 10:30:00,102 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-29 10:30:00,102 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-29 10:30:00,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-29 10:30:00,734 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-29 10:30:00,740 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-29 10:30:00,742 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-09-29 10:30:00,743 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-09-29 10:30:00,744 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=20.bpl [2020-09-29 10:30:00,745 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=20.bpl' [2020-09-29 10:30:00,826 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-29 10:30:00,834 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-29 10:30:00,835 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-29 10:30:00,835 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-29 10:30:00,835 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-29 10:30:00,857 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 10:30:00" (1/1) ... [2020-09-29 10:30:00,880 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 10:30:00" (1/1) ... [2020-09-29 10:30:00,893 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-29 10:30:00,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-29 10:30:00,894 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-29 10:30:00,894 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-29 10:30:00,908 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 10:30:00" (1/1) ... [2020-09-29 10:30:00,909 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 10:30:00" (1/1) ... [2020-09-29 10:30:00,911 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 10:30:00" (1/1) ... [2020-09-29 10:30:00,912 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 10:30:00" (1/1) ... [2020-09-29 10:30:00,930 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 10:30:00" (1/1) ... [2020-09-29 10:30:00,947 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 10:30:00" (1/1) ... [2020-09-29 10:30:00,953 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 10:30:00" (1/1) ... [2020-09-29 10:30:00,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-29 10:30:00,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-29 10:30:00,962 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-29 10:30:00,962 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-29 10:30:00,963 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 10:30:00" (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 10:30:01,055 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-09-29 10:30:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-09-29 10:30:01,055 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-09-29 10:30:01,056 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-09-29 10:30:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-09-29 10:30:01,056 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-09-29 10:30:01,056 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-09-29 10:30:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-09-29 10:30:01,057 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-09-29 10:30:01,057 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-09-29 10:30:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-09-29 10:30:01,057 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-09-29 10:30:01,058 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-09-29 10:30:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-09-29 10:30:01,058 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-09-29 10:30:01,058 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-09-29 10:30:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-09-29 10:30:01,059 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-09-29 10:30:01,059 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-09-29 10:30:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-09-29 10:30:01,059 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-09-29 10:30:01,059 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-09-29 10:30:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-09-29 10:30:01,060 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-09-29 10:30:01,060 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-09-29 10:30:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-09-29 10:30:01,060 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-09-29 10:30:01,061 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-09-29 10:30:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-09-29 10:30:01,061 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-09-29 10:30:01,061 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-09-29 10:30:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-09-29 10:30:01,062 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-09-29 10:30:01,062 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-09-29 10:30:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-09-29 10:30:01,062 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-09-29 10:30:01,063 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-09-29 10:30:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-09-29 10:30:01,063 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-09-29 10:30:01,063 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-09-29 10:30:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-09-29 10:30:01,064 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-09-29 10:30:01,064 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-09-29 10:30:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-29 10:30:01,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-29 10:30:01,064 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-09-29 10:30:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-09-29 10:30:01,065 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-09-29 10:30:01,065 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-09-29 10:30:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-09-29 10:30:01,065 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-09-29 10:30:01,066 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-09-29 10:30:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-09-29 10:30:01,066 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-09-29 10:30:01,066 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-09-29 10:30:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-09-29 10:30:01,066 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-09-29 10:30:01,067 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-09-29 10:30:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-09-29 10:30:01,067 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-09-29 10:30:01,067 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-09-29 10:30:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-09-29 10:30:01,068 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-09-29 10:30:01,069 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 10:30:01,367 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-29 10:30:01,368 INFO L298 CfgBuilder]: Removed 20 assume(true) statements. [2020-09-29 10:30:01,374 INFO L202 PluginConnector]: Adding new model example2_N=20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 10:30:01 BoogieIcfgContainer [2020-09-29 10:30:01,374 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-29 10:30:01,376 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-29 10:30:01,376 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-29 10:30:01,380 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-29 10:30:01,381 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 10:30:00" (1/2) ... [2020-09-29 10:30:01,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30ae487a and model type example2_N=20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 10:30:01, skipping insertion in model container [2020-09-29 10:30:01,383 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 10:30:01" (2/2) ... [2020-09-29 10:30:01,386 INFO L109 eAbstractionObserver]: Analyzing ICFG example2_N=20.bpl [2020-09-29 10:30:01,400 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-29 10:30:01,400 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-29 10:30:01,413 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-29 10:30:01,414 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-29 10:30:01,829 INFO L251 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2020-09-29 10:30:01,858 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-29 10:30:01,859 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-29 10:30:01,859 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-29 10:30:01,859 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-29 10:30:01,859 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-29 10:30:01,860 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-29 10:30:01,860 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-29 10:30:01,860 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-29 10:30:01,884 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 145 places, 104 transitions, 368 flow [2020-09-29 10:30:01,887 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 145 places, 104 transitions, 368 flow [2020-09-29 10:30:02,004 INFO L129 PetriNetUnfolder]: 20/84 cut-off events. [2020-09-29 10:30:02,005 INFO L130 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2020-09-29 10:30:02,020 INFO L80 FinitePrefix]: Finished finitePrefix Result has 165 conditions, 84 events. 20/84 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 61 event pairs, 0 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 97. Up to 2 conditions per place. [2020-09-29 10:30:02,030 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 145 places, 104 transitions, 368 flow [2020-09-29 10:30:02,094 INFO L129 PetriNetUnfolder]: 20/84 cut-off events. [2020-09-29 10:30:02,095 INFO L130 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2020-09-29 10:30:02,099 INFO L80 FinitePrefix]: Finished finitePrefix Result has 165 conditions, 84 events. 20/84 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 61 event pairs, 0 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 97. Up to 2 conditions per place. [2020-09-29 10:30:02,102 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 3040 [2020-09-29 10:30:02,104 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-29 10:30:02,231 INFO L206 etLargeBlockEncoding]: Checked pairs total: 0 [2020-09-29 10:30:02,232 INFO L214 etLargeBlockEncoding]: Total number of compositions: 1 [2020-09-29 10:30:02,237 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 144 places, 103 transitions, 366 flow Received shutdown request... [2020-09-29 10:43:09,920 WARN L544 AbstractCegarLoop]: Verification canceled [2020-09-29 10:43:09,924 WARN L228 ceAbstractionStarter]: Timeout [2020-09-29 10:43:09,925 INFO L202 PluginConnector]: Adding new model example2_N=20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 10:43:09 BasicIcfg [2020-09-29 10:43:09,925 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-29 10:43:09,929 INFO L168 Benchmark]: Toolchain (without parser) took 789099.49 ms. Allocated memory was 114.8 MB in the beginning and 5.8 GB in the end (delta: 5.7 GB). Free memory was 89.3 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 5.3 GB. Max. memory is 7.1 GB. [2020-09-29 10:43:09,930 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.55 ms. Allocated memory is still 114.8 MB. Free memory was 90.9 MB in the beginning and 90.8 MB in the end (delta: 105.0 kB). Peak memory consumption was 105.0 kB. Max. memory is 7.1 GB. [2020-09-29 10:43:09,932 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.47 ms. Allocated memory is still 114.8 MB. Free memory was 88.8 MB in the beginning and 87.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2020-09-29 10:43:09,933 INFO L168 Benchmark]: Boogie Preprocessor took 67.36 ms. Allocated memory is still 114.8 MB. Free memory was 87.0 MB in the beginning and 85.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-09-29 10:43:09,937 INFO L168 Benchmark]: RCFGBuilder took 412.81 ms. Allocated memory is still 114.8 MB. Free memory was 85.4 MB in the beginning and 66.2 MB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 7.1 GB. [2020-09-29 10:43:09,941 INFO L168 Benchmark]: TraceAbstraction took 788549.52 ms. Allocated memory was 114.8 MB in the beginning and 5.8 GB in the end (delta: 5.7 GB). Free memory was 65.7 MB in the beginning and 1.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 5.3 GB. Max. memory is 7.1 GB. [2020-09-29 10:43:09,949 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 0.55 ms. Allocated memory is still 114.8 MB. Free memory was 90.9 MB in the beginning and 90.8 MB in the end (delta: 105.0 kB). Peak memory consumption was 105.0 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 58.47 ms. Allocated memory is still 114.8 MB. Free memory was 88.8 MB in the beginning and 87.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 67.36 ms. Allocated memory is still 114.8 MB. Free memory was 87.0 MB in the beginning and 85.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 412.81 ms. Allocated memory is still 114.8 MB. Free memory was 85.4 MB in the beginning and 66.2 MB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 788549.52 ms. Allocated memory was 114.8 MB in the beginning and 5.8 GB in the end (delta: 5.7 GB). Free memory was 65.7 MB in the beginning and 1.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 5.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.3s, 145 ProgramPointsBefore, 144 ProgramPointsAfterwards, 104 TransitionsBefore, 103 TransitionsAfterwards, 3040 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 0 CheckedPairsTotal, 1 TotalNumberOfCompositions - 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 144 places, 103 transitions, 366 flow. Already constructed 521239 states. Currently 185900 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 21 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 788.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 788.0s, 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