/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=38.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b665a9c [2020-09-29 12:29:34,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-29 12:29:34,049 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-29 12:29:34,096 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-29 12:29:34,096 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-29 12:29:34,104 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-29 12:29:34,107 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-29 12:29:34,111 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-29 12:29:34,114 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-29 12:29:34,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-29 12:29:34,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-29 12:29:34,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-29 12:29:34,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-29 12:29:34,123 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-29 12:29:34,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-29 12:29:34,127 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-29 12:29:34,129 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-29 12:29:34,130 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-29 12:29:34,131 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-29 12:29:34,141 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-29 12:29:34,143 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-29 12:29:34,144 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-29 12:29:34,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-29 12:29:34,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-29 12:29:34,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-29 12:29:34,160 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-29 12:29:34,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-29 12:29:34,164 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-29 12:29:34,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-29 12:29:34,165 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-29 12:29:34,165 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-29 12:29:34,166 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-29 12:29:34,167 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-29 12:29:34,167 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-29 12:29:34,172 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-29 12:29:34,172 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-29 12:29:34,173 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-29 12:29:34,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-29 12:29:34,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-29 12:29:34,177 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-29 12:29:34,180 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-29 12:29:34,181 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 12:29:34,227 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-29 12:29:34,227 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-29 12:29:34,229 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-29 12:29:34,230 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-29 12:29:34,230 INFO L138 SettingsManager]: * Use SBE=true [2020-09-29 12:29:34,230 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-29 12:29:34,230 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-29 12:29:34,230 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-29 12:29:34,231 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-29 12:29:34,231 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-29 12:29:34,232 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-29 12:29:34,232 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-29 12:29:34,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-29 12:29:34,233 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-29 12:29:34,233 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-29 12:29:34,233 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-29 12:29:34,234 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-29 12:29:34,234 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-29 12:29:34,234 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-29 12:29:34,234 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-29 12:29:34,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-29 12:29:34,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-29 12:29:34,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-29 12:29:34,235 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-29 12:29:34,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-29 12:29:34,236 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-29 12:29:34,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-29 12:29:34,236 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-29 12:29:34,236 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-29 12:29:34,237 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-29 12:29:34,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-29 12:29:34,687 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-29 12:29:34,692 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-29 12:29:34,693 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-09-29 12:29:34,694 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-09-29 12:29:34,695 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=38.bpl [2020-09-29 12:29:34,695 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=38.bpl' [2020-09-29 12:29:34,764 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-29 12:29:34,772 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-29 12:29:34,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-29 12:29:34,773 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-29 12:29:34,773 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-29 12:29:34,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=38.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:29:34" (1/1) ... [2020-09-29 12:29:34,808 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=38.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:29:34" (1/1) ... [2020-09-29 12:29:34,820 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-29 12:29:34,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-29 12:29:34,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-29 12:29:34,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-29 12:29:34,835 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=38.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:29:34" (1/1) ... [2020-09-29 12:29:34,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=38.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:29:34" (1/1) ... [2020-09-29 12:29:34,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=38.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:29:34" (1/1) ... [2020-09-29 12:29:34,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=38.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:29:34" (1/1) ... [2020-09-29 12:29:34,850 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=38.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:29:34" (1/1) ... [2020-09-29 12:29:34,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=38.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:29:34" (1/1) ... [2020-09-29 12:29:34,865 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=38.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:29:34" (1/1) ... [2020-09-29 12:29:34,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-29 12:29:34,870 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-29 12:29:34,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-29 12:29:34,871 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-29 12:29:34,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=38.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:29:34" (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 12:29:34,966 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-09-29 12:29:34,966 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-09-29 12:29:34,968 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-09-29 12:29:34,968 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-09-29 12:29:34,969 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-09-29 12:29:34,969 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-09-29 12:29:34,969 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-09-29 12:29:34,970 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-09-29 12:29:34,970 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-09-29 12:29:34,970 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-09-29 12:29:34,970 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-09-29 12:29:34,970 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-09-29 12:29:34,971 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-09-29 12:29:34,971 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-09-29 12:29:34,971 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-09-29 12:29:34,971 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-09-29 12:29:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-09-29 12:29:34,972 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-09-29 12:29:34,972 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-09-29 12:29:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-09-29 12:29:34,973 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-09-29 12:29:34,973 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-09-29 12:29:34,974 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-09-29 12:29:34,975 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-09-29 12:29:34,981 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-09-29 12:29:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-09-29 12:29:34,982 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-09-29 12:29:34,983 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-09-29 12:29:34,984 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-09-29 12:29:34,984 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-09-29 12:29:34,984 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-09-29 12:29:34,984 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-09-29 12:29:34,984 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-09-29 12:29:34,985 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-09-29 12:29:34,986 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-09-29 12:29:34,986 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-09-29 12:29:34,986 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-09-29 12:29:34,987 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-09-29 12:29:34,987 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-09-29 12:29:34,987 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-09-29 12:29:34,987 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-09-29 12:29:34,987 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-09-29 12:29:34,988 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-09-29 12:29:34,988 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-09-29 12:29:34,988 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-09-29 12:29:34,988 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-09-29 12:29:34,988 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-09-29 12:29:34,989 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-09-29 12:29:34,989 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-09-29 12:29:34,989 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-09-29 12:29:34,990 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-09-29 12:29:34,990 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-09-29 12:29:34,990 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-09-29 12:29:34,990 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-09-29 12:29:34,991 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-09-29 12:29:34,991 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-09-29 12:29:34,991 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-09-29 12:29:34,991 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-09-29 12:29:34,991 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-09-29 12:29:34,992 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-09-29 12:29:34,992 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-09-29 12:29:34,992 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-09-29 12:29:34,993 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-09-29 12:29:34,993 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-09-29 12:29:34,993 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-09-29 12:29:34,993 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-09-29 12:29:34,994 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-09-29 12:29:34,994 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-09-29 12:29:34,994 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-09-29 12:29:34,994 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread36 given in one single declaration [2020-09-29 12:29:34,995 INFO L130 BoogieDeclarations]: Found specification of procedure thread36 [2020-09-29 12:29:34,995 INFO L138 BoogieDeclarations]: Found implementation of procedure thread36 [2020-09-29 12:29:34,995 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-09-29 12:29:34,995 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-09-29 12:29:34,995 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-09-29 12:29:34,995 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread35 given in one single declaration [2020-09-29 12:29:34,996 INFO L130 BoogieDeclarations]: Found specification of procedure thread35 [2020-09-29 12:29:34,996 INFO L138 BoogieDeclarations]: Found implementation of procedure thread35 [2020-09-29 12:29:34,996 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-09-29 12:29:34,996 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-09-29 12:29:34,996 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-09-29 12:29:34,997 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-09-29 12:29:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-29 12:29:34,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-29 12:29:34,998 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread38 given in one single declaration [2020-09-29 12:29:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure thread38 [2020-09-29 12:29:34,998 INFO L138 BoogieDeclarations]: Found implementation of procedure thread38 [2020-09-29 12:29:34,999 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-09-29 12:29:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-09-29 12:29:34,999 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-09-29 12:29:34,999 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread37 given in one single declaration [2020-09-29 12:29:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure thread37 [2020-09-29 12:29:35,000 INFO L138 BoogieDeclarations]: Found implementation of procedure thread37 [2020-09-29 12:29:35,000 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-09-29 12:29:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-09-29 12:29:35,001 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-09-29 12:29:35,001 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-09-29 12:29:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-09-29 12:29:35,001 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-09-29 12:29:35,001 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-09-29 12:29:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-09-29 12:29:35,002 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-09-29 12:29:35,002 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-09-29 12:29:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-09-29 12:29:35,002 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-09-29 12:29:35,002 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-09-29 12:29:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-09-29 12:29:35,003 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-09-29 12:29:35,004 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-09-29 12:29:35,004 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-09-29 12:29:35,007 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-09-29 12:29:35,007 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-09-29 12:29:35,008 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-09-29 12:29:35,008 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-09-29 12:29:35,008 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-09-29 12:29:35,008 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-09-29 12:29:35,009 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-09-29 12:29:35,011 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 12:29:35,480 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-29 12:29:35,480 INFO L298 CfgBuilder]: Removed 38 assume(true) statements. [2020-09-29 12:29:35,485 INFO L202 PluginConnector]: Adding new model example2_N=38.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 12:29:35 BoogieIcfgContainer [2020-09-29 12:29:35,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-29 12:29:35,487 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-29 12:29:35,487 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-29 12:29:35,490 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-29 12:29:35,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=38.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:29:34" (1/2) ... [2020-09-29 12:29:35,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@523ada5d and model type example2_N=38.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 12:29:35, skipping insertion in model container [2020-09-29 12:29:35,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=38.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 12:29:35" (2/2) ... [2020-09-29 12:29:35,494 INFO L109 eAbstractionObserver]: Analyzing ICFG example2_N=38.bpl [2020-09-29 12:29:35,505 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-29 12:29:35,506 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-29 12:29:35,516 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-29 12:29:35,517 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-29 12:29:36,364 INFO L251 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2020-09-29 12:29:36,391 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-29 12:29:36,391 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-29 12:29:36,392 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-29 12:29:36,392 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-29 12:29:36,392 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-29 12:29:36,392 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-29 12:29:36,392 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-29 12:29:36,393 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-29 12:29:36,417 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 271 places, 194 transitions, 692 flow [2020-09-29 12:29:36,419 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 271 places, 194 transitions, 692 flow [2020-09-29 12:29:36,545 INFO L129 PetriNetUnfolder]: 38/156 cut-off events. [2020-09-29 12:29:36,545 INFO L130 PetriNetUnfolder]: For 38/38 co-relation queries the response was YES. [2020-09-29 12:29:36,565 INFO L80 FinitePrefix]: Finished finitePrefix Result has 309 conditions, 156 events. 38/156 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 121 event pairs, 0 based on Foata normal form. 0/117 useless extension candidates. Maximal degree in co-relation 187. Up to 2 conditions per place. [2020-09-29 12:29:36,578 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 271 places, 194 transitions, 692 flow [2020-09-29 12:29:36,701 INFO L129 PetriNetUnfolder]: 38/156 cut-off events. [2020-09-29 12:29:36,702 INFO L130 PetriNetUnfolder]: For 38/38 co-relation queries the response was YES. [2020-09-29 12:29:36,706 INFO L80 FinitePrefix]: Finished finitePrefix Result has 309 conditions, 156 events. 38/156 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 121 event pairs, 0 based on Foata normal form. 0/117 useless extension candidates. Maximal degree in co-relation 187. Up to 2 conditions per place. [2020-09-29 12:29:36,725 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 11248 [2020-09-29 12:29:36,726 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-29 12:29:36,922 INFO L206 etLargeBlockEncoding]: Checked pairs total: 0 [2020-09-29 12:29:36,922 INFO L214 etLargeBlockEncoding]: Total number of compositions: 1 [2020-09-29 12:29:36,927 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 270 places, 193 transitions, 690 flow Received shutdown request... [2020-09-29 12:42:53,213 WARN L544 AbstractCegarLoop]: Verification canceled [2020-09-29 12:42:53,218 WARN L228 ceAbstractionStarter]: Timeout [2020-09-29 12:42:53,218 INFO L202 PluginConnector]: Adding new model example2_N=38.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 12:42:53 BasicIcfg [2020-09-29 12:42:53,218 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-29 12:42:53,222 INFO L168 Benchmark]: Toolchain (without parser) took 798454.85 ms. Allocated memory was 250.6 MB in the beginning and 10.4 GB in the end (delta: 10.1 GB). Free memory was 221.9 MB in the beginning and 2.3 GB in the end (delta: -2.1 GB). Peak memory consumption was 9.1 GB. Max. memory is 14.2 GB. [2020-09-29 12:42:53,223 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.36 ms. Allocated memory is still 250.6 MB. Free memory is still 224.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-09-29 12:42:53,223 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.03 ms. Allocated memory is still 250.6 MB. Free memory was 221.9 MB in the beginning and 219.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-09-29 12:42:53,225 INFO L168 Benchmark]: Boogie Preprocessor took 48.97 ms. Allocated memory is still 250.6 MB. Free memory was 219.4 MB in the beginning and 216.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-09-29 12:42:53,226 INFO L168 Benchmark]: RCFGBuilder took 615.22 ms. Allocated memory is still 250.6 MB. Free memory was 216.9 MB in the beginning and 186.7 MB in the end (delta: 30.2 MB). Peak memory consumption was 30.2 MB. Max. memory is 14.2 GB. [2020-09-29 12:42:53,227 INFO L168 Benchmark]: TraceAbstraction took 797731.75 ms. Allocated memory was 250.6 MB in the beginning and 10.4 GB in the end (delta: 10.1 GB). Free memory was 186.7 MB in the beginning and 2.3 GB in the end (delta: -2.2 GB). Peak memory consumption was 9.1 GB. Max. memory is 14.2 GB. [2020-09-29 12:42:53,231 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 0.36 ms. Allocated memory is still 250.6 MB. Free memory is still 224.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 48.03 ms. Allocated memory is still 250.6 MB. Free memory was 221.9 MB in the beginning and 219.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 48.97 ms. Allocated memory is still 250.6 MB. Free memory was 219.4 MB in the beginning and 216.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 615.22 ms. Allocated memory is still 250.6 MB. Free memory was 216.9 MB in the beginning and 186.7 MB in the end (delta: 30.2 MB). Peak memory consumption was 30.2 MB. Max. memory is 14.2 GB. * TraceAbstraction took 797731.75 ms. Allocated memory was 250.6 MB in the beginning and 10.4 GB in the end (delta: 10.1 GB). Free memory was 186.7 MB in the beginning and 2.3 GB in the end (delta: -2.2 GB). Peak memory consumption was 9.1 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.5s, 271 ProgramPointsBefore, 270 ProgramPointsAfterwards, 194 TransitionsBefore, 193 TransitionsAfterwards, 11248 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: 86]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 86). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 270 places, 193 transitions, 690 flow. Already constructed 776842 states. Currently 296741 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 157 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 796.8s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 796.8s, 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