/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=33.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b665a9c [2020-09-29 10:43:09,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-29 10:43:09,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-29 10:43:09,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-29 10:43:09,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-29 10:43:09,208 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-29 10:43:09,210 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-29 10:43:09,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-29 10:43:09,216 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-29 10:43:09,219 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-29 10:43:09,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-29 10:43:09,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-29 10:43:09,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-29 10:43:09,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-29 10:43:09,227 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-29 10:43:09,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-29 10:43:09,230 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-29 10:43:09,231 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-29 10:43:09,233 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-29 10:43:09,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-29 10:43:09,242 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-29 10:43:09,243 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-29 10:43:09,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-29 10:43:09,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-29 10:43:09,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-29 10:43:09,252 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-29 10:43:09,252 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-29 10:43:09,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-29 10:43:09,255 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-29 10:43:09,257 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-29 10:43:09,257 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-29 10:43:09,258 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-29 10:43:09,259 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-29 10:43:09,260 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-29 10:43:09,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-29 10:43:09,261 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-29 10:43:09,262 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-29 10:43:09,262 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-29 10:43:09,262 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-29 10:43:09,263 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-29 10:43:09,265 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-29 10:43:09,265 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 10:43:09,312 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-29 10:43:09,313 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-29 10:43:09,315 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-29 10:43:09,315 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-29 10:43:09,315 INFO L138 SettingsManager]: * Use SBE=true [2020-09-29 10:43:09,315 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-29 10:43:09,316 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-29 10:43:09,316 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-29 10:43:09,316 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-29 10:43:09,316 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-29 10:43:09,317 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-29 10:43:09,318 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-29 10:43:09,318 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-29 10:43:09,318 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-29 10:43:09,318 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-29 10:43:09,319 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-29 10:43:09,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-29 10:43:09,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-29 10:43:09,319 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-29 10:43:09,319 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-29 10:43:09,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-29 10:43:09,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-29 10:43:09,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-29 10:43:09,320 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-29 10:43:09,321 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-29 10:43:09,321 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-29 10:43:09,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-29 10:43:09,321 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-29 10:43:09,321 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-29 10:43:09,322 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-29 10:43:09,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-29 10:43:09,742 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-29 10:43:09,747 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-29 10:43:09,748 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-09-29 10:43:09,748 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-09-29 10:43:09,750 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=33.bpl [2020-09-29 10:43:09,750 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=33.bpl' [2020-09-29 10:43:09,816 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-29 10:43:09,823 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-29 10:43:09,823 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-29 10:43:09,824 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-29 10:43:09,824 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-29 10:43:09,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:43:09" (1/1) ... [2020-09-29 10:43:09,857 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:43:09" (1/1) ... [2020-09-29 10:43:09,869 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-29 10:43:09,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-29 10:43:09,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-29 10:43:09,870 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-29 10:43:09,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:43:09" (1/1) ... [2020-09-29 10:43:09,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:43:09" (1/1) ... [2020-09-29 10:43:09,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:43:09" (1/1) ... [2020-09-29 10:43:09,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:43:09" (1/1) ... [2020-09-29 10:43:09,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:43:09" (1/1) ... [2020-09-29 10:43:09,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:43:09" (1/1) ... [2020-09-29 10:43:09,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:43:09" (1/1) ... [2020-09-29 10:43:09,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-29 10:43:09,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-29 10:43:09,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-29 10:43:09,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-29 10:43:09,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:43:09" (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 10:43:10,018 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-09-29 10:43:10,019 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-09-29 10:43:10,021 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-09-29 10:43:10,021 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-09-29 10:43:10,021 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-09-29 10:43:10,021 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-09-29 10:43:10,022 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-09-29 10:43:10,022 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-09-29 10:43:10,022 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-09-29 10:43:10,022 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-09-29 10:43:10,023 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-09-29 10:43:10,023 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-09-29 10:43:10,023 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-09-29 10:43:10,023 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-09-29 10:43:10,023 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-09-29 10:43:10,023 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-09-29 10:43:10,024 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-09-29 10:43:10,024 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-09-29 10:43:10,024 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-09-29 10:43:10,025 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-09-29 10:43:10,025 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-09-29 10:43:10,025 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-09-29 10:43:10,026 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-09-29 10:43:10,026 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-09-29 10:43:10,027 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-09-29 10:43:10,027 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-09-29 10:43:10,028 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-09-29 10:43:10,029 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-09-29 10:43:10,030 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-09-29 10:43:10,030 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-09-29 10:43:10,030 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-09-29 10:43:10,030 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-09-29 10:43:10,030 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-09-29 10:43:10,030 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-09-29 10:43:10,031 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-09-29 10:43:10,031 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-09-29 10:43:10,032 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-09-29 10:43:10,032 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-09-29 10:43:10,032 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-09-29 10:43:10,032 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-09-29 10:43:10,032 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-09-29 10:43:10,033 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-09-29 10:43:10,033 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-09-29 10:43:10,033 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-09-29 10:43:10,033 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-09-29 10:43:10,034 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-09-29 10:43:10,034 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-09-29 10:43:10,034 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-09-29 10:43:10,034 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-09-29 10:43:10,035 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-09-29 10:43:10,035 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-09-29 10:43:10,035 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-09-29 10:43:10,035 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-09-29 10:43:10,036 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-09-29 10:43:10,036 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-09-29 10:43:10,036 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-09-29 10:43:10,036 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-09-29 10:43:10,036 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-09-29 10:43:10,036 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-09-29 10:43:10,037 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-09-29 10:43:10,037 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-09-29 10:43:10,037 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-09-29 10:43:10,037 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-09-29 10:43:10,038 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-09-29 10:43:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-09-29 10:43:10,038 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-09-29 10:43:10,039 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-09-29 10:43:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-09-29 10:43:10,039 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-09-29 10:43:10,039 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-09-29 10:43:10,040 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-09-29 10:43:10,040 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-09-29 10:43:10,040 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-09-29 10:43:10,040 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-09-29 10:43:10,040 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-09-29 10:43:10,041 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-09-29 10:43:10,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-29 10:43:10,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-29 10:43:10,041 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-09-29 10:43:10,041 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-09-29 10:43:10,041 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-09-29 10:43:10,042 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-09-29 10:43:10,042 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-09-29 10:43:10,042 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-09-29 10:43:10,043 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-09-29 10:43:10,043 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-09-29 10:43:10,044 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-09-29 10:43:10,044 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-09-29 10:43:10,044 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-09-29 10:43:10,044 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-09-29 10:43:10,044 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-09-29 10:43:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-09-29 10:43:10,045 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-09-29 10:43:10,045 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-09-29 10:43:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-09-29 10:43:10,045 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-09-29 10:43:10,045 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-09-29 10:43:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-09-29 10:43:10,046 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-09-29 10:43:10,046 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-09-29 10:43:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-09-29 10:43:10,046 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-09-29 10:43:10,048 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 10:43:10,631 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-29 10:43:10,631 INFO L298 CfgBuilder]: Removed 33 assume(true) statements. [2020-09-29 10:43:10,637 INFO L202 PluginConnector]: Adding new model example2_N=33.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 10:43:10 BoogieIcfgContainer [2020-09-29 10:43:10,637 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-29 10:43:10,639 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-29 10:43:10,639 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-29 10:43:10,643 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-29 10:43:10,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:43:09" (1/2) ... [2020-09-29 10:43:10,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5546ea0e and model type example2_N=33.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 10:43:10, skipping insertion in model container [2020-09-29 10:43:10,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=33.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 10:43:10" (2/2) ... [2020-09-29 10:43:10,647 INFO L109 eAbstractionObserver]: Analyzing ICFG example2_N=33.bpl [2020-09-29 10:43:10,660 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-29 10:43:10,660 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-29 10:43:10,672 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-29 10:43:10,674 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-29 10:43:11,260 INFO L251 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2020-09-29 10:43:11,287 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-29 10:43:11,288 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-29 10:43:11,288 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-29 10:43:11,288 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-29 10:43:11,288 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-29 10:43:11,288 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-29 10:43:11,288 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-29 10:43:11,289 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-29 10:43:11,311 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 236 places, 169 transitions, 602 flow [2020-09-29 10:43:11,313 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 236 places, 169 transitions, 602 flow [2020-09-29 10:43:11,452 INFO L129 PetriNetUnfolder]: 33/136 cut-off events. [2020-09-29 10:43:11,452 INFO L130 PetriNetUnfolder]: For 33/33 co-relation queries the response was YES. [2020-09-29 10:43:11,466 INFO L80 FinitePrefix]: Finished finitePrefix Result has 269 conditions, 136 events. 33/136 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 101 event pairs, 0 based on Foata normal form. 0/102 useless extension candidates. Maximal degree in co-relation 162. Up to 2 conditions per place. [2020-09-29 10:43:11,477 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 236 places, 169 transitions, 602 flow [2020-09-29 10:43:11,535 INFO L129 PetriNetUnfolder]: 33/136 cut-off events. [2020-09-29 10:43:11,535 INFO L130 PetriNetUnfolder]: For 33/33 co-relation queries the response was YES. [2020-09-29 10:43:11,539 INFO L80 FinitePrefix]: Finished finitePrefix Result has 269 conditions, 136 events. 33/136 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 101 event pairs, 0 based on Foata normal form. 0/102 useless extension candidates. Maximal degree in co-relation 162. Up to 2 conditions per place. [2020-09-29 10:43:11,549 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 8448 [2020-09-29 10:43:11,550 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-29 10:43:11,739 INFO L206 etLargeBlockEncoding]: Checked pairs total: 0 [2020-09-29 10:43:11,739 INFO L214 etLargeBlockEncoding]: Total number of compositions: 1 [2020-09-29 10:43:11,743 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 235 places, 168 transitions, 600 flow Received shutdown request... [2020-09-29 10:56:27,422 WARN L544 AbstractCegarLoop]: Verification canceled [2020-09-29 10:56:27,429 WARN L228 ceAbstractionStarter]: Timeout [2020-09-29 10:56:27,429 INFO L202 PluginConnector]: Adding new model example2_N=33.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 10:56:27 BasicIcfg [2020-09-29 10:56:27,429 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-29 10:56:27,433 INFO L168 Benchmark]: Toolchain (without parser) took 797613.79 ms. Allocated memory was 141.6 MB in the beginning and 7.1 GB in the end (delta: 6.9 GB). Free memory was 119.5 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 6.8 GB. Max. memory is 7.1 GB. [2020-09-29 10:56:27,435 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 141.6 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-09-29 10:56:27,436 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.39 ms. Allocated memory is still 141.6 MB. Free memory was 119.1 MB in the beginning and 117.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2020-09-29 10:56:27,437 INFO L168 Benchmark]: Boogie Preprocessor took 52.17 ms. Allocated memory is still 141.6 MB. Free memory was 117.3 MB in the beginning and 115.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-09-29 10:56:27,438 INFO L168 Benchmark]: RCFGBuilder took 714.62 ms. Allocated memory is still 141.6 MB. Free memory was 115.2 MB in the beginning and 88.3 MB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2020-09-29 10:56:27,439 INFO L168 Benchmark]: TraceAbstraction took 796790.88 ms. Allocated memory was 141.6 MB in the beginning and 7.1 GB in the end (delta: 6.9 GB). Free memory was 87.9 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 6.7 GB. Max. memory is 7.1 GB. [2020-09-29 10:56:27,444 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 141.6 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 46.39 ms. Allocated memory is still 141.6 MB. Free memory was 119.1 MB in the beginning and 117.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 52.17 ms. Allocated memory is still 141.6 MB. Free memory was 117.3 MB in the beginning and 115.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 714.62 ms. Allocated memory is still 141.6 MB. Free memory was 115.2 MB in the beginning and 88.3 MB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 796790.88 ms. Allocated memory was 141.6 MB in the beginning and 7.1 GB in the end (delta: 6.9 GB). Free memory was 87.9 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 6.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.4s, 236 ProgramPointsBefore, 235 ProgramPointsAfterwards, 169 TransitionsBefore, 168 TransitionsAfterwards, 8448 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: 76]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 76). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 235 places, 168 transitions, 600 flow. Already constructed 668870 states. Currently 255489 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 34 procedures, 137 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 796.1s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 796.1s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown