/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=55.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-08 14:36:24,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 14:36:24,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 14:36:24,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 14:36:24,128 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 14:36:24,139 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 14:36:24,141 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 14:36:24,144 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 14:36:24,147 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 14:36:24,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 14:36:24,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 14:36:24,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 14:36:24,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 14:36:24,156 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 14:36:24,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 14:36:24,161 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 14:36:24,162 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 14:36:24,164 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 14:36:24,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 14:36:24,170 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 14:36:24,174 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 14:36:24,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 14:36:24,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 14:36:24,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 14:36:24,182 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-08 14:36:24,182 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-08 14:36:24,182 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-08 14:36:24,185 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-08 14:36:24,185 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-08 14:36:24,186 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-08 14:36:24,186 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 14:36:24,187 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 14:36:24,188 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 14:36:24,189 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 14:36:24,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 14:36:24,191 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 14:36:24,191 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 14:36:24,192 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 14:36:24,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 14:36:24,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 14:36:24,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 14:36:24,195 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-08 14:36:24,229 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 14:36:24,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 14:36:24,230 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 14:36:24,230 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 14:36:24,231 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 14:36:24,231 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 14:36:24,231 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 14:36:24,231 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 14:36:24,231 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 14:36:24,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 14:36:24,232 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 14:36:24,232 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 14:36:24,232 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 14:36:24,232 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 14:36:24,233 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 14:36:24,233 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 14:36:24,233 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 14:36:24,233 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 14:36:24,234 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 14:36:24,234 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 14:36:24,234 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 14:36:24,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 14:36:24,234 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 14:36:24,235 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 14:36:24,235 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 14:36:24,235 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-08 14:36:24,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 14:36:24,235 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 14:36:24,236 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-08 14:36:24,236 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 14:36:24,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 14:36:24,576 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 14:36:24,581 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 14:36:24,582 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 14:36:24,583 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 14:36:24,584 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=55.bpl [2020-10-08 14:36:24,584 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=55.bpl' [2020-10-08 14:36:24,679 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 14:36:24,682 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 14:36:24,682 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 14:36:24,682 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 14:36:24,683 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 14:36:24,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=55.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:36:24" (1/1) ... [2020-10-08 14:36:24,729 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=55.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:36:24" (1/1) ... [2020-10-08 14:36:24,742 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 14:36:24,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 14:36:24,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 14:36:24,743 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 14:36:24,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=55.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:36:24" (1/1) ... [2020-10-08 14:36:24,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=55.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:36:24" (1/1) ... [2020-10-08 14:36:24,765 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=55.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:36:24" (1/1) ... [2020-10-08 14:36:24,766 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=55.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:36:24" (1/1) ... [2020-10-08 14:36:24,799 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=55.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:36:24" (1/1) ... [2020-10-08 14:36:24,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=55.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:36:24" (1/1) ... [2020-10-08 14:36:24,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=55.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:36:24" (1/1) ... [2020-10-08 14:36:24,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 14:36:24,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 14:36:24,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 14:36:24,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 14:36:24,854 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=55.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:36:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 14:36:24,936 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-08 14:36:24,937 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-08 14:36:24,939 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-08 14:36:24,939 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-08 14:36:24,940 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-08 14:36:24,940 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-08 14:36:24,940 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-08 14:36:24,940 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-08 14:36:24,941 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-08 14:36:24,941 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-08 14:36:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-08 14:36:24,941 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-08 14:36:24,941 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-08 14:36:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-08 14:36:24,942 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-08 14:36:24,942 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-08 14:36:24,942 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-08 14:36:24,942 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-08 14:36:24,942 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-08 14:36:24,943 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-08 14:36:24,943 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-08 14:36:24,943 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-08 14:36:24,943 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-08 14:36:24,944 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-08 14:36:24,951 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-08 14:36:24,952 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-08 14:36:24,952 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-08 14:36:24,952 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-08 14:36:24,953 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-08 14:36:24,953 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-08 14:36:24,954 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread39 given in one single declaration [2020-10-08 14:36:24,954 INFO L130 BoogieDeclarations]: Found specification of procedure thread39 [2020-10-08 14:36:24,954 INFO L138 BoogieDeclarations]: Found implementation of procedure thread39 [2020-10-08 14:36:24,954 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 14:36:24,955 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 14:36:24,955 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 14:36:24,956 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 14:36:24,956 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 14:36:24,956 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 14:36:24,956 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 14:36:24,956 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 14:36:24,956 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 14:36:24,957 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 14:36:24,957 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 14:36:24,957 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 14:36:24,958 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 14:36:24,958 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 14:36:24,958 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 14:36:24,958 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 14:36:24,958 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 14:36:24,958 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 14:36:24,959 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 14:36:24,959 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 14:36:24,959 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 14:36:24,959 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 14:36:24,959 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 14:36:24,960 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 14:36:24,960 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 14:36:24,960 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 14:36:24,961 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 14:36:24,961 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-08 14:36:24,961 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-08 14:36:24,961 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-08 14:36:24,961 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread36 given in one single declaration [2020-10-08 14:36:24,962 INFO L130 BoogieDeclarations]: Found specification of procedure thread36 [2020-10-08 14:36:24,962 INFO L138 BoogieDeclarations]: Found implementation of procedure thread36 [2020-10-08 14:36:24,963 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread35 given in one single declaration [2020-10-08 14:36:24,963 INFO L130 BoogieDeclarations]: Found specification of procedure thread35 [2020-10-08 14:36:24,963 INFO L138 BoogieDeclarations]: Found implementation of procedure thread35 [2020-10-08 14:36:24,963 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread38 given in one single declaration [2020-10-08 14:36:24,963 INFO L130 BoogieDeclarations]: Found specification of procedure thread38 [2020-10-08 14:36:24,963 INFO L138 BoogieDeclarations]: Found implementation of procedure thread38 [2020-10-08 14:36:24,964 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread37 given in one single declaration [2020-10-08 14:36:24,964 INFO L130 BoogieDeclarations]: Found specification of procedure thread37 [2020-10-08 14:36:24,964 INFO L138 BoogieDeclarations]: Found implementation of procedure thread37 [2020-10-08 14:36:24,964 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-10-08 14:36:24,964 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-10-08 14:36:24,965 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-10-08 14:36:24,965 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-08 14:36:24,965 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-08 14:36:24,965 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-08 14:36:24,965 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-10-08 14:36:24,965 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-10-08 14:36:24,966 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-10-08 14:36:24,966 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-10-08 14:36:24,967 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-10-08 14:36:24,967 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-10-08 14:36:24,967 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread41 given in one single declaration [2020-10-08 14:36:24,968 INFO L130 BoogieDeclarations]: Found specification of procedure thread41 [2020-10-08 14:36:24,968 INFO L138 BoogieDeclarations]: Found implementation of procedure thread41 [2020-10-08 14:36:24,968 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread40 given in one single declaration [2020-10-08 14:36:24,968 INFO L130 BoogieDeclarations]: Found specification of procedure thread40 [2020-10-08 14:36:24,968 INFO L138 BoogieDeclarations]: Found implementation of procedure thread40 [2020-10-08 14:36:24,968 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread47 given in one single declaration [2020-10-08 14:36:24,969 INFO L130 BoogieDeclarations]: Found specification of procedure thread47 [2020-10-08 14:36:24,969 INFO L138 BoogieDeclarations]: Found implementation of procedure thread47 [2020-10-08 14:36:24,969 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread46 given in one single declaration [2020-10-08 14:36:24,969 INFO L130 BoogieDeclarations]: Found specification of procedure thread46 [2020-10-08 14:36:24,969 INFO L138 BoogieDeclarations]: Found implementation of procedure thread46 [2020-10-08 14:36:24,969 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread49 given in one single declaration [2020-10-08 14:36:24,970 INFO L130 BoogieDeclarations]: Found specification of procedure thread49 [2020-10-08 14:36:24,970 INFO L138 BoogieDeclarations]: Found implementation of procedure thread49 [2020-10-08 14:36:24,970 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread48 given in one single declaration [2020-10-08 14:36:24,970 INFO L130 BoogieDeclarations]: Found specification of procedure thread48 [2020-10-08 14:36:24,970 INFO L138 BoogieDeclarations]: Found implementation of procedure thread48 [2020-10-08 14:36:24,970 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread43 given in one single declaration [2020-10-08 14:36:24,971 INFO L130 BoogieDeclarations]: Found specification of procedure thread43 [2020-10-08 14:36:24,971 INFO L138 BoogieDeclarations]: Found implementation of procedure thread43 [2020-10-08 14:36:24,972 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread42 given in one single declaration [2020-10-08 14:36:24,972 INFO L130 BoogieDeclarations]: Found specification of procedure thread42 [2020-10-08 14:36:24,975 INFO L138 BoogieDeclarations]: Found implementation of procedure thread42 [2020-10-08 14:36:24,976 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread45 given in one single declaration [2020-10-08 14:36:24,976 INFO L130 BoogieDeclarations]: Found specification of procedure thread45 [2020-10-08 14:36:24,976 INFO L138 BoogieDeclarations]: Found implementation of procedure thread45 [2020-10-08 14:36:24,976 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread44 given in one single declaration [2020-10-08 14:36:24,977 INFO L130 BoogieDeclarations]: Found specification of procedure thread44 [2020-10-08 14:36:24,977 INFO L138 BoogieDeclarations]: Found implementation of procedure thread44 [2020-10-08 14:36:24,977 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-08 14:36:24,977 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-08 14:36:24,977 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-08 14:36:24,977 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-08 14:36:24,978 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-08 14:36:24,978 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-08 14:36:24,978 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-08 14:36:24,978 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-08 14:36:24,978 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-08 14:36:24,978 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread50 given in one single declaration [2020-10-08 14:36:24,979 INFO L130 BoogieDeclarations]: Found specification of procedure thread50 [2020-10-08 14:36:24,979 INFO L138 BoogieDeclarations]: Found implementation of procedure thread50 [2020-10-08 14:36:24,979 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread52 given in one single declaration [2020-10-08 14:36:24,980 INFO L130 BoogieDeclarations]: Found specification of procedure thread52 [2020-10-08 14:36:24,980 INFO L138 BoogieDeclarations]: Found implementation of procedure thread52 [2020-10-08 14:36:24,981 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread51 given in one single declaration [2020-10-08 14:36:24,981 INFO L130 BoogieDeclarations]: Found specification of procedure thread51 [2020-10-08 14:36:24,981 INFO L138 BoogieDeclarations]: Found implementation of procedure thread51 [2020-10-08 14:36:24,982 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-08 14:36:24,983 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-08 14:36:24,983 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-08 14:36:24,983 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-08 14:36:24,983 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-08 14:36:24,983 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-08 14:36:24,984 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 14:36:24,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 14:36:24,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 14:36:24,984 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-08 14:36:24,986 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-08 14:36:24,986 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-08 14:36:24,986 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-08 14:36:24,986 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-08 14:36:24,986 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-08 14:36:24,988 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread54 given in one single declaration [2020-10-08 14:36:24,992 INFO L130 BoogieDeclarations]: Found specification of procedure thread54 [2020-10-08 14:36:24,992 INFO L138 BoogieDeclarations]: Found implementation of procedure thread54 [2020-10-08 14:36:24,993 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 14:36:24,993 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 14:36:25,000 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 14:36:25,001 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread53 given in one single declaration [2020-10-08 14:36:25,001 INFO L130 BoogieDeclarations]: Found specification of procedure thread53 [2020-10-08 14:36:25,001 INFO L138 BoogieDeclarations]: Found implementation of procedure thread53 [2020-10-08 14:36:25,001 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 14:36:25,001 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 14:36:25,001 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 14:36:25,002 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread55 given in one single declaration [2020-10-08 14:36:25,002 INFO L130 BoogieDeclarations]: Found specification of procedure thread55 [2020-10-08 14:36:25,003 INFO L138 BoogieDeclarations]: Found implementation of procedure thread55 [2020-10-08 14:36:25,003 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 14:36:25,003 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 14:36:25,003 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 14:36:25,005 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-08 14:36:25,509 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 14:36:25,509 INFO L298 CfgBuilder]: Removed 55 assume(true) statements. [2020-10-08 14:36:25,512 INFO L202 PluginConnector]: Adding new model example2_N=55.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 02:36:25 BoogieIcfgContainer [2020-10-08 14:36:25,512 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 14:36:25,513 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 14:36:25,513 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 14:36:25,517 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 14:36:25,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=55.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:36:24" (1/2) ... [2020-10-08 14:36:25,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a4604dd and model type example2_N=55.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 02:36:25, skipping insertion in model container [2020-10-08 14:36:25,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=55.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 02:36:25" (2/2) ... [2020-10-08 14:36:25,520 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=55.bpl [2020-10-08 14:36:25,531 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 14:36:25,531 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 14:36:25,539 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 14:36:25,540 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 14:36:26,763 INFO L253 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2020-10-08 14:36:26,785 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 14:36:26,785 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 14:36:26,785 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 14:36:26,785 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 14:36:26,786 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 14:36:26,786 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 14:36:26,786 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 14:36:26,786 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 14:36:26,816 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-08 14:36:26,819 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 445 places, 334 transitions, 1108 flow [2020-10-08 14:36:26,822 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 445 places, 334 transitions, 1108 flow [2020-10-08 14:36:26,824 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 445 places, 334 transitions, 1108 flow [2020-10-08 14:36:27,066 INFO L129 PetriNetUnfolder]: 55/279 cut-off events. [2020-10-08 14:36:27,066 INFO L130 PetriNetUnfolder]: For 55/55 co-relation queries the response was YES. [2020-10-08 14:36:27,098 INFO L80 FinitePrefix]: Finished finitePrefix Result has 500 conditions, 279 events. 55/279 cut-off events. For 55/55 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 383 event pairs, 0 based on Foata normal form. 0/223 useless extension candidates. Maximal degree in co-relation 327. Up to 2 conditions per place. [2020-10-08 14:36:27,141 INFO L117 LiptonReduction]: Number of co-enabled transitions 44550 [2020-10-08 14:36:28,564 INFO L132 LiptonReduction]: Checked pairs total: 70686 [2020-10-08 14:36:28,565 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-08 14:36:28,572 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 443 places, 332 transitions, 1104 flow Received shutdown request... [2020-10-08 14:49:39,658 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-08 14:49:39,660 WARN L235 ceAbstractionStarter]: Timeout [2020-10-08 14:49:39,661 INFO L202 PluginConnector]: Adding new model example2_N=55.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 02:49:39 BasicIcfg [2020-10-08 14:49:39,661 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-08 14:49:39,665 INFO L168 Benchmark]: Toolchain (without parser) took 794982.15 ms. Allocated memory was 252.7 MB in the beginning and 9.6 GB in the end (delta: 9.3 GB). Free memory was 226.6 MB in the beginning and 2.7 GB in the end (delta: -2.5 GB). Peak memory consumption was 8.8 GB. Max. memory is 14.2 GB. [2020-10-08 14:49:39,665 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.48 ms. Allocated memory is still 252.7 MB. Free memory is still 229.1 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 14:49:39,666 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.30 ms. Allocated memory is still 252.7 MB. Free memory was 226.6 MB in the beginning and 224.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 14:49:39,667 INFO L168 Benchmark]: Boogie Preprocessor took 108.64 ms. Allocated memory is still 252.7 MB. Free memory was 224.1 MB in the beginning and 221.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 14:49:39,668 INFO L168 Benchmark]: RCFGBuilder took 660.38 ms. Allocated memory is still 252.7 MB. Free memory was 221.5 MB in the beginning and 173.6 MB in the end (delta: 47.9 MB). Peak memory consumption was 47.9 MB. Max. memory is 14.2 GB. [2020-10-08 14:49:39,669 INFO L168 Benchmark]: TraceAbstraction took 794147.75 ms. Allocated memory was 252.7 MB in the beginning and 9.6 GB in the end (delta: 9.3 GB). Free memory was 173.6 MB in the beginning and 2.7 GB in the end (delta: -2.5 GB). Peak memory consumption was 8.8 GB. Max. memory is 14.2 GB. [2020-10-08 14:49:39,686 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 0.48 ms. Allocated memory is still 252.7 MB. Free memory is still 229.1 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 60.30 ms. Allocated memory is still 252.7 MB. Free memory was 226.6 MB in the beginning and 224.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 108.64 ms. Allocated memory is still 252.7 MB. Free memory was 224.1 MB in the beginning and 221.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 660.38 ms. Allocated memory is still 252.7 MB. Free memory was 221.5 MB in the beginning and 173.6 MB in the end (delta: 47.9 MB). Peak memory consumption was 47.9 MB. Max. memory is 14.2 GB. * TraceAbstraction took 794147.75 ms. Allocated memory was 252.7 MB in the beginning and 9.6 GB in the end (delta: 9.3 GB). Free memory was 173.6 MB in the beginning and 2.7 GB in the end (delta: -2.5 GB). Peak memory consumption was 8.8 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 12801 VarBasedMoverChecksPositive, 378 VarBasedMoverChecksNegative, 217 SemBasedMoverChecksPositive, 161 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.1s, 12960 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.7s, 445 PlacesBefore, 443 PlacesAfterwards, 334 TransitionsBefore, 332 TransitionsAfterwards, 44550 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 70686 MoverChecksTotal - TimeoutResultAtElement [Line: 120]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 120). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 443 places, 332 transitions, 1104 flow. Already constructed 916705 states. Currently 458376 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 56 procedures, 280 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 792.8s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 792.8s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown