/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=27.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-50b6972 [2020-10-06 18:49:26,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 18:49:26,471 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 18:49:26,506 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 18:49:26,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 18:49:26,515 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 18:49:26,517 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 18:49:26,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 18:49:26,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 18:49:26,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 18:49:26,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 18:49:26,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 18:49:26,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 18:49:26,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 18:49:26,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 18:49:26,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 18:49:26,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 18:49:26,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 18:49:26,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 18:49:26,550 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 18:49:26,552 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 18:49:26,553 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 18:49:26,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 18:49:26,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 18:49:26,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-06 18:49:26,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-06 18:49:26,569 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-06 18:49:26,570 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-06 18:49:26,570 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-06 18:49:26,571 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-06 18:49:26,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 18:49:26,574 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 18:49:26,575 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 18:49:26,576 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 18:49:26,576 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 18:49:26,577 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 18:49:26,580 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 18:49:26,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 18:49:26,581 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 18:49:26,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 18:49:26,585 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 18:49:26,587 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-06 18:49:26,627 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 18:49:26,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 18:49:26,628 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 18:49:26,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 18:49:26,629 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 18:49:26,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 18:49:26,629 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 18:49:26,629 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 18:49:26,629 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 18:49:26,630 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 18:49:26,630 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 18:49:26,631 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 18:49:26,631 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 18:49:26,631 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 18:49:26,632 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 18:49:26,633 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 18:49:26,633 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 18:49:26,633 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 18:49:26,633 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 18:49:26,633 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 18:49:26,634 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 18:49:26,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 18:49:26,634 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 18:49:26,635 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-06 18:49:26,635 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 18:49:26,635 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 18:49:26,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 18:49:26,635 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 18:49:26,636 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-06 18:49:26,636 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-06 18:49:26,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 18:49:26,970 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 18:49:26,974 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 18:49:26,975 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-06 18:49:26,976 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-06 18:49:26,977 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=27.bpl [2020-10-06 18:49:26,979 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=27.bpl' [2020-10-06 18:49:27,039 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 18:49:27,041 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-06 18:49:27,042 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 18:49:27,042 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 18:49:27,042 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 18:49:27,056 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 06.10 06:49:27" (1/1) ... [2020-10-06 18:49:27,068 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 06.10 06:49:27" (1/1) ... [2020-10-06 18:49:27,080 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 18:49:27,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 18:49:27,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 18:49:27,081 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 18:49:27,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:27" (1/1) ... [2020-10-06 18:49:27,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:27" (1/1) ... [2020-10-06 18:49:27,096 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:27" (1/1) ... [2020-10-06 18:49:27,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:27" (1/1) ... [2020-10-06 18:49:27,106 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:27" (1/1) ... [2020-10-06 18:49:27,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:27" (1/1) ... [2020-10-06 18:49:27,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:27" (1/1) ... [2020-10-06 18:49:27,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 18:49:27,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 18:49:27,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 18:49:27,122 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 18:49:27,123 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 18:49:27,190 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-06 18:49:27,190 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-06 18:49:27,190 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-06 18:49:27,190 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-06 18:49:27,191 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-06 18:49:27,191 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-06 18:49:27,191 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-06 18:49:27,191 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-06 18:49:27,191 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-06 18:49:27,192 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-06 18:49:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-06 18:49:27,192 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-06 18:49:27,192 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-06 18:49:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-06 18:49:27,193 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-06 18:49:27,193 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-06 18:49:27,193 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-06 18:49:27,193 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-06 18:49:27,193 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-06 18:49:27,193 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-06 18:49:27,194 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-06 18:49:27,194 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-06 18:49:27,194 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-06 18:49:27,194 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-06 18:49:27,194 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-06 18:49:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-06 18:49:27,195 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-06 18:49:27,195 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-06 18:49:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-06 18:49:27,195 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-06 18:49:27,196 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-06 18:49:27,196 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-06 18:49:27,196 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-06 18:49:27,196 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-06 18:49:27,197 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-06 18:49:27,197 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-06 18:49:27,197 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-06 18:49:27,197 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-06 18:49:27,197 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-06 18:49:27,198 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-06 18:49:27,198 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-06 18:49:27,198 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-06 18:49:27,198 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-06 18:49:27,198 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-06 18:49:27,199 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-06 18:49:27,199 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-06 18:49:27,199 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-06 18:49:27,199 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-06 18:49:27,199 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-06 18:49:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-06 18:49:27,200 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-06 18:49:27,200 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-06 18:49:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-06 18:49:27,200 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-06 18:49:27,200 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-06 18:49:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-06 18:49:27,201 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-06 18:49:27,201 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-06 18:49:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-06 18:49:27,201 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-06 18:49:27,201 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-06 18:49:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-06 18:49:27,202 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-06 18:49:27,202 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-06 18:49:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-06 18:49:27,202 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-06 18:49:27,203 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-06 18:49:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 18:49:27,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 18:49:27,203 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-06 18:49:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-06 18:49:27,203 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-06 18:49:27,204 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-06 18:49:27,204 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-06 18:49:27,204 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-06 18:49:27,204 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-06 18:49:27,204 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-06 18:49:27,204 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-06 18:49:27,205 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-06 18:49:27,205 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-06 18:49:27,205 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-06 18:49:27,205 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-06 18:49:27,205 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-06 18:49:27,205 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-06 18:49:27,207 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-06 18:49:27,676 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 18:49:27,676 INFO L298 CfgBuilder]: Removed 27 assume(true) statements. [2020-10-06 18:49:27,679 INFO L202 PluginConnector]: Adding new model example2_N=27.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 06:49:27 BoogieIcfgContainer [2020-10-06 18:49:27,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 18:49:27,680 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 18:49:27,680 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 18:49:27,683 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 18:49:27,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:27" (1/2) ... [2020-10-06 18:49:27,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c50cd8 and model type example2_N=27.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 06:49:27, skipping insertion in model container [2020-10-06 18:49:27,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 06:49:27" (2/2) ... [2020-10-06 18:49:27,687 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=27.bpl [2020-10-06 18:49:27,698 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 18:49:27,698 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-06 18:49:27,706 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 18:49:27,707 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 18:49:28,248 INFO L253 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2020-10-06 18:49:28,286 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-06 18:49:28,286 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-06 18:49:28,286 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-06 18:49:28,286 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-06 18:49:28,286 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 18:49:28,287 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-06 18:49:28,287 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 18:49:28,287 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 18:49:28,311 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-06 18:49:28,314 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 221 places, 166 transitions, 548 flow [2020-10-06 18:49:28,317 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 221 places, 166 transitions, 548 flow [2020-10-06 18:49:28,319 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 221 places, 166 transitions, 548 flow [2020-10-06 18:49:28,448 INFO L129 PetriNetUnfolder]: 27/139 cut-off events. [2020-10-06 18:49:28,448 INFO L130 PetriNetUnfolder]: For 27/27 co-relation queries the response was YES. [2020-10-06 18:49:28,461 INFO L80 FinitePrefix]: Finished finitePrefix Result has 248 conditions, 139 events. 27/139 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 199 event pairs, 0 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 159. Up to 2 conditions per place. [2020-10-06 18:49:28,472 INFO L117 LiptonReduction]: Number of co-enabled transitions 10530 [2020-10-06 18:49:29,354 INFO L132 LiptonReduction]: Checked pairs total: 16562 [2020-10-06 18:49:29,354 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-06 18:49:29,361 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 219 places, 164 transitions, 544 flow Received shutdown request... [2020-10-06 19:03:07,795 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-06 19:03:07,798 WARN L235 ceAbstractionStarter]: Timeout [2020-10-06 19:03:07,798 INFO L202 PluginConnector]: Adding new model example2_N=27.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 07:03:07 BasicIcfg [2020-10-06 19:03:07,799 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 19:03:07,809 INFO L168 Benchmark]: Toolchain (without parser) took 820766.77 ms. Allocated memory was 251.7 MB in the beginning and 7.1 GB in the end (delta: 6.9 GB). Free memory was 223.0 MB in the beginning and 2.1 GB in the end (delta: -1.9 GB). Peak memory consumption was 6.2 GB. Max. memory is 14.2 GB. [2020-10-06 19:03:07,810 INFO L168 Benchmark]: Boogie PL CUP Parser took 1.34 ms. Allocated memory is still 251.7 MB. Free memory is still 225.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 19:03:07,810 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.81 ms. Allocated memory is still 251.7 MB. Free memory is still 223.0 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 19:03:07,811 INFO L168 Benchmark]: Boogie Preprocessor took 40.46 ms. Allocated memory is still 251.7 MB. Free memory was 223.0 MB in the beginning and 220.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-06 19:03:07,812 INFO L168 Benchmark]: RCFGBuilder took 557.03 ms. Allocated memory is still 251.7 MB. Free memory was 220.5 MB in the beginning and 192.8 MB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 14.2 GB. [2020-10-06 19:03:07,813 INFO L168 Benchmark]: TraceAbstraction took 820125.02 ms. Allocated memory was 251.7 MB in the beginning and 7.1 GB in the end (delta: 6.9 GB). Free memory was 192.8 MB in the beginning and 2.1 GB in the end (delta: -1.9 GB). Peak memory consumption was 6.2 GB. Max. memory is 14.2 GB. [2020-10-06 19:03:07,817 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 1.34 ms. Allocated memory is still 251.7 MB. Free memory is still 225.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 38.81 ms. Allocated memory is still 251.7 MB. Free memory is still 223.0 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Preprocessor took 40.46 ms. Allocated memory is still 251.7 MB. Free memory was 223.0 MB in the beginning and 220.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 557.03 ms. Allocated memory is still 251.7 MB. Free memory was 220.5 MB in the beginning and 192.8 MB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 14.2 GB. * TraceAbstraction took 820125.02 ms. Allocated memory was 251.7 MB in the beginning and 7.1 GB in the end (delta: 6.9 GB). Free memory was 192.8 MB in the beginning and 2.1 GB in the end (delta: -1.9 GB). Peak memory consumption was 6.2 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 2933 VarBasedMoverChecksPositive, 182 VarBasedMoverChecksNegative, 105 SemBasedMoverChecksPositive, 77 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 3008 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.0s, 221 PlacesBefore, 219 PlacesAfterwards, 166 TransitionsBefore, 164 TransitionsAfterwards, 10530 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 16562 MoverChecksTotal - 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 219 places, 164 transitions, 544 flow. Already constructed 759357 states. Currently 379685 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 140 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 819.5s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 819.5s, 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