/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=27.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b665a9c [2020-09-29 10:30:08,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-29 10:30:08,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-29 10:30:08,261 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-29 10:30:08,261 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-29 10:30:08,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-29 10:30:08,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-29 10:30:08,276 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-29 10:30:08,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-29 10:30:08,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-29 10:30:08,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-29 10:30:08,281 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-29 10:30:08,281 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-29 10:30:08,283 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-29 10:30:08,285 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-29 10:30:08,286 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-29 10:30:08,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-29 10:30:08,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-29 10:30:08,295 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-29 10:30:08,299 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-29 10:30:08,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-29 10:30:08,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-29 10:30:08,305 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-29 10:30:08,306 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-29 10:30:08,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-29 10:30:08,313 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-29 10:30:08,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-29 10:30:08,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-29 10:30:08,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-29 10:30:08,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-29 10:30:08,318 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-29 10:30:08,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-29 10:30:08,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-29 10:30:08,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-29 10:30:08,323 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-29 10:30:08,323 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-29 10:30:08,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-29 10:30:08,324 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-29 10:30:08,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-29 10:30:08,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-29 10:30:08,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-29 10:30:08,328 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-29 10:30:08,378 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-29 10:30:08,379 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-29 10:30:08,381 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-29 10:30:08,381 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-29 10:30:08,381 INFO L138 SettingsManager]: * Use SBE=true [2020-09-29 10:30:08,382 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-29 10:30:08,382 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-29 10:30:08,382 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-29 10:30:08,382 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-29 10:30:08,383 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-29 10:30:08,384 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-29 10:30:08,384 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-29 10:30:08,384 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-29 10:30:08,385 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-29 10:30:08,385 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-29 10:30:08,385 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-29 10:30:08,385 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-29 10:30:08,386 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-29 10:30:08,386 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-29 10:30:08,386 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-29 10:30:08,386 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-29 10:30:08,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-29 10:30:08,387 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-29 10:30:08,387 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-29 10:30:08,387 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-29 10:30:08,387 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-29 10:30:08,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-29 10:30:08,388 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-29 10:30:08,388 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-29 10:30:08,388 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-29 10:30:08,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-29 10:30:08,845 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-29 10:30:08,850 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-29 10:30:08,851 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-09-29 10:30:08,852 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-09-29 10:30:08,853 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=27.bpl [2020-09-29 10:30:08,853 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=27.bpl' [2020-09-29 10:30:08,911 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-29 10:30:08,917 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-29 10:30:08,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-29 10:30:08,918 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-29 10:30:08,919 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-29 10:30:08,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:08" (1/1) ... [2020-09-29 10:30:08,952 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:08" (1/1) ... [2020-09-29 10:30:08,964 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-29 10:30:08,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-29 10:30:08,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-29 10:30:08,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-29 10:30:08,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:08" (1/1) ... [2020-09-29 10:30:08,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:08" (1/1) ... [2020-09-29 10:30:08,982 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:08" (1/1) ... [2020-09-29 10:30:08,982 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:08" (1/1) ... [2020-09-29 10:30:08,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:08" (1/1) ... [2020-09-29 10:30:09,001 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:08" (1/1) ... [2020-09-29 10:30:09,003 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:08" (1/1) ... [2020-09-29 10:30:09,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-29 10:30:09,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-29 10:30:09,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-29 10:30:09,008 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-29 10:30:09,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-29 10:30:09,110 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-09-29 10:30:09,111 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-09-29 10:30:09,112 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-09-29 10:30:09,113 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-09-29 10:30:09,114 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-09-29 10:30:09,114 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-09-29 10:30:09,117 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-09-29 10:30:09,117 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-09-29 10:30:09,118 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-09-29 10:30:09,118 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-09-29 10:30:09,118 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-09-29 10:30:09,118 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-09-29 10:30:09,118 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-09-29 10:30:09,119 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-09-29 10:30:09,119 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-09-29 10:30:09,119 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-09-29 10:30:09,119 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-09-29 10:30:09,119 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-09-29 10:30:09,120 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-09-29 10:30:09,120 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-09-29 10:30:09,121 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-09-29 10:30:09,121 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-09-29 10:30:09,121 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-09-29 10:30:09,122 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-09-29 10:30:09,131 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-09-29 10:30:09,132 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-09-29 10:30:09,132 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-09-29 10:30:09,133 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-09-29 10:30:09,134 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-09-29 10:30:09,134 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-09-29 10:30:09,134 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-09-29 10:30:09,134 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-09-29 10:30:09,135 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-09-29 10:30:09,135 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-09-29 10:30:09,136 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-09-29 10:30:09,136 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-09-29 10:30:09,136 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-09-29 10:30:09,136 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-09-29 10:30:09,137 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-09-29 10:30:09,137 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-09-29 10:30:09,137 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-09-29 10:30:09,137 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-09-29 10:30:09,137 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-09-29 10:30:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-09-29 10:30:09,138 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-09-29 10:30:09,138 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-09-29 10:30:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-09-29 10:30:09,139 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-09-29 10:30:09,139 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-09-29 10:30:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-09-29 10:30:09,140 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-09-29 10:30:09,140 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-09-29 10:30:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-09-29 10:30:09,140 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-09-29 10:30:09,141 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-09-29 10:30:09,141 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-09-29 10:30:09,141 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-09-29 10:30:09,142 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-09-29 10:30:09,142 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-09-29 10:30:09,142 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-09-29 10:30:09,142 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-09-29 10:30:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-09-29 10:30:09,143 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-09-29 10:30:09,143 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-09-29 10:30:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-09-29 10:30:09,143 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-09-29 10:30:09,145 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-09-29 10:30:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-29 10:30:09,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-29 10:30:09,145 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-09-29 10:30:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-09-29 10:30:09,146 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-09-29 10:30:09,146 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-09-29 10:30:09,146 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-09-29 10:30:09,146 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-09-29 10:30:09,147 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-09-29 10:30:09,147 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-09-29 10:30:09,147 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-09-29 10:30:09,147 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-09-29 10:30:09,147 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-09-29 10:30:09,147 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-09-29 10:30:09,148 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-09-29 10:30:09,148 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-09-29 10:30:09,148 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-09-29 10:30:09,150 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-29 10:30:09,643 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-29 10:30:09,643 INFO L298 CfgBuilder]: Removed 27 assume(true) statements. [2020-09-29 10:30:09,649 INFO L202 PluginConnector]: Adding new model example2_N=27.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 10:30:09 BoogieIcfgContainer [2020-09-29 10:30:09,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-29 10:30:09,650 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-29 10:30:09,650 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-29 10:30:09,654 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-29 10:30:09,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:30:08" (1/2) ... [2020-09-29 10:30:09,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@158d5ed5 and model type example2_N=27.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 10:30:09, skipping insertion in model container [2020-09-29 10:30:09,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 10:30:09" (2/2) ... [2020-09-29 10:30:09,658 INFO L109 eAbstractionObserver]: Analyzing ICFG example2_N=27.bpl [2020-09-29 10:30:09,670 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-29 10:30:09,670 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-29 10:30:09,680 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-29 10:30:09,681 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-29 10:30:10,235 INFO L251 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2020-09-29 10:30:10,262 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-29 10:30:10,262 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-29 10:30:10,262 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-29 10:30:10,263 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-29 10:30:10,263 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-29 10:30:10,263 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-29 10:30:10,263 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-29 10:30:10,263 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-29 10:30:10,287 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 194 places, 139 transitions, 494 flow [2020-09-29 10:30:10,290 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 194 places, 139 transitions, 494 flow [2020-09-29 10:30:10,386 INFO L129 PetriNetUnfolder]: 27/112 cut-off events. [2020-09-29 10:30:10,387 INFO L130 PetriNetUnfolder]: For 27/27 co-relation queries the response was YES. [2020-09-29 10:30:10,397 INFO L80 FinitePrefix]: Finished finitePrefix Result has 221 conditions, 112 events. 27/112 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 81 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 132. Up to 2 conditions per place. [2020-09-29 10:30:10,405 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 194 places, 139 transitions, 494 flow [2020-09-29 10:30:10,454 INFO L129 PetriNetUnfolder]: 27/112 cut-off events. [2020-09-29 10:30:10,454 INFO L130 PetriNetUnfolder]: For 27/27 co-relation queries the response was YES. [2020-09-29 10:30:10,457 INFO L80 FinitePrefix]: Finished finitePrefix Result has 221 conditions, 112 events. 27/112 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 81 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 132. Up to 2 conditions per place. [2020-09-29 10:30:10,464 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 5616 [2020-09-29 10:30:10,465 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-29 10:30:10,663 INFO L206 etLargeBlockEncoding]: Checked pairs total: 0 [2020-09-29 10:30:10,663 INFO L214 etLargeBlockEncoding]: Total number of compositions: 1 [2020-09-29 10:30:10,669 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 193 places, 138 transitions, 492 flow Received shutdown request... [2020-09-29 10:43:15,616 WARN L544 AbstractCegarLoop]: Verification canceled [2020-09-29 10:43:15,620 WARN L228 ceAbstractionStarter]: Timeout [2020-09-29 10:43:15,620 INFO L202 PluginConnector]: Adding new model example2_N=27.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 10:43:15 BasicIcfg [2020-09-29 10:43:15,620 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-29 10:43:15,631 INFO L168 Benchmark]: Toolchain (without parser) took 786710.20 ms. Allocated memory was 148.4 MB in the beginning and 7.0 GB in the end (delta: 6.9 GB). Free memory was 121.1 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 6.8 GB. Max. memory is 7.1 GB. [2020-09-29 10:43:15,633 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 148.4 MB. Free memory is still 122.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-09-29 10:43:15,636 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.88 ms. Allocated memory is still 148.4 MB. Free memory was 120.6 MB in the beginning and 118.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-09-29 10:43:15,638 INFO L168 Benchmark]: Boogie Preprocessor took 42.16 ms. Allocated memory is still 148.4 MB. Free memory was 118.7 MB in the beginning and 117.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. [2020-09-29 10:43:15,640 INFO L168 Benchmark]: RCFGBuilder took 641.11 ms. Allocated memory is still 148.4 MB. Free memory was 116.9 MB in the beginning and 93.0 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. [2020-09-29 10:43:15,641 INFO L168 Benchmark]: TraceAbstraction took 785970.23 ms. Allocated memory was 148.4 MB in the beginning and 7.0 GB in the end (delta: 6.9 GB). Free memory was 92.6 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 6.7 GB. Max. memory is 7.1 GB. [2020-09-29 10:43:15,647 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 148.4 MB. Free memory is still 122.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 46.88 ms. Allocated memory is still 148.4 MB. Free memory was 120.6 MB in the beginning and 118.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.16 ms. Allocated memory is still 148.4 MB. Free memory was 118.7 MB in the beginning and 117.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 641.11 ms. Allocated memory is still 148.4 MB. Free memory was 116.9 MB in the beginning and 93.0 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 785970.23 ms. Allocated memory was 148.4 MB in the beginning and 7.0 GB in the end (delta: 6.9 GB). Free memory was 92.6 MB in the beginning and 1.1 GB in the end (delta: -1.0 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: 0.3s, 194 ProgramPointsBefore, 193 ProgramPointsAfterwards, 139 TransitionsBefore, 138 TransitionsAfterwards, 5616 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: 64]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 64). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 193 places, 138 transitions, 492 flow. Already constructed 649474 states. Currently 248079 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 113 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 785.3s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 785.3s, 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