/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=44.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-08 14:09:59,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 14:09:59,468 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 14:09:59,493 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 14:09:59,493 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 14:09:59,502 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 14:09:59,503 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 14:09:59,506 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 14:09:59,508 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 14:09:59,509 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 14:09:59,509 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 14:09:59,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 14:09:59,511 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 14:09:59,514 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 14:09:59,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 14:09:59,519 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 14:09:59,520 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 14:09:59,524 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 14:09:59,527 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 14:09:59,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 14:09:59,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 14:09:59,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 14:09:59,538 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 14:09:59,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 14:09:59,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-08 14:09:59,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-08 14:09:59,551 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-08 14:09:59,555 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-08 14:09:59,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-08 14:09:59,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-08 14:09:59,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 14:09:59,557 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 14:09:59,559 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 14:09:59,560 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 14:09:59,561 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 14:09:59,561 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 14:09:59,562 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 14:09:59,562 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 14:09:59,562 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 14:09:59,563 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 14:09:59,564 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 14:09:59,565 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-08 14:09:59,606 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 14:09:59,607 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 14:09:59,608 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 14:09:59,609 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 14:09:59,609 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 14:09:59,609 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 14:09:59,609 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 14:09:59,609 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 14:09:59,610 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 14:09:59,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 14:09:59,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 14:09:59,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 14:09:59,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 14:09:59,612 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 14:09:59,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 14:09:59,612 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 14:09:59,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 14:09:59,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 14:09:59,613 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 14:09:59,613 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 14:09:59,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 14:09:59,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 14:09:59,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 14:09:59,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 14:09:59,614 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 14:09:59,614 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-08 14:09:59,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 14:09:59,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 14:09:59,615 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-08 14:09:59,615 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 14:09:59,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 14:09:59,962 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 14:09:59,967 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 14:09:59,968 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 14:09:59,969 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 14:09:59,970 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=44.bpl [2020-10-08 14:09:59,970 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=44.bpl' [2020-10-08 14:10:00,040 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 14:10:00,042 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 14:10:00,043 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 14:10:00,043 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 14:10:00,043 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 14:10:00,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=44.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:10:00" (1/1) ... [2020-10-08 14:10:00,073 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=44.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:10:00" (1/1) ... [2020-10-08 14:10:00,084 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 14:10:00,085 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 14:10:00,085 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 14:10:00,085 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 14:10:00,096 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=44.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:10:00" (1/1) ... [2020-10-08 14:10:00,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=44.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:10:00" (1/1) ... [2020-10-08 14:10:00,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=44.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:10:00" (1/1) ... [2020-10-08 14:10:00,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=44.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:10:00" (1/1) ... [2020-10-08 14:10:00,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=44.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:10:00" (1/1) ... [2020-10-08 14:10:00,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=44.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:10:00" (1/1) ... [2020-10-08 14:10:00,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=44.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:10:00" (1/1) ... [2020-10-08 14:10:00,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 14:10:00,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 14:10:00,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 14:10:00,138 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 14:10:00,139 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=44.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:10:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 14:10:00,213 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-08 14:10:00,214 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-08 14:10:00,214 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-08 14:10:00,214 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-08 14:10:00,214 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-08 14:10:00,215 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-08 14:10:00,215 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread41 given in one single declaration [2020-10-08 14:10:00,215 INFO L130 BoogieDeclarations]: Found specification of procedure thread41 [2020-10-08 14:10:00,215 INFO L138 BoogieDeclarations]: Found implementation of procedure thread41 [2020-10-08 14:10:00,215 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread40 given in one single declaration [2020-10-08 14:10:00,216 INFO L130 BoogieDeclarations]: Found specification of procedure thread40 [2020-10-08 14:10:00,216 INFO L138 BoogieDeclarations]: Found implementation of procedure thread40 [2020-10-08 14:10:00,216 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-08 14:10:00,216 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-08 14:10:00,217 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-08 14:10:00,217 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-08 14:10:00,217 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-08 14:10:00,217 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-08 14:10:00,217 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-08 14:10:00,218 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-08 14:10:00,218 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-08 14:10:00,218 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-08 14:10:00,218 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-08 14:10:00,218 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-08 14:10:00,219 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread43 given in one single declaration [2020-10-08 14:10:00,219 INFO L130 BoogieDeclarations]: Found specification of procedure thread43 [2020-10-08 14:10:00,219 INFO L138 BoogieDeclarations]: Found implementation of procedure thread43 [2020-10-08 14:10:00,219 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-08 14:10:00,220 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-08 14:10:00,220 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-08 14:10:00,220 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread42 given in one single declaration [2020-10-08 14:10:00,220 INFO L130 BoogieDeclarations]: Found specification of procedure thread42 [2020-10-08 14:10:00,220 INFO L138 BoogieDeclarations]: Found implementation of procedure thread42 [2020-10-08 14:10:00,221 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-08 14:10:00,221 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-08 14:10:00,221 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-08 14:10:00,221 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-08 14:10:00,221 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-08 14:10:00,222 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-08 14:10:00,222 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread44 given in one single declaration [2020-10-08 14:10:00,222 INFO L130 BoogieDeclarations]: Found specification of procedure thread44 [2020-10-08 14:10:00,222 INFO L138 BoogieDeclarations]: Found implementation of procedure thread44 [2020-10-08 14:10:00,223 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-08 14:10:00,223 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-08 14:10:00,223 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-08 14:10:00,223 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-08 14:10:00,223 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-08 14:10:00,224 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-08 14:10:00,224 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread39 given in one single declaration [2020-10-08 14:10:00,224 INFO L130 BoogieDeclarations]: Found specification of procedure thread39 [2020-10-08 14:10:00,224 INFO L138 BoogieDeclarations]: Found implementation of procedure thread39 [2020-10-08 14:10:00,225 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-08 14:10:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-08 14:10:00,225 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-08 14:10:00,225 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-08 14:10:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-08 14:10:00,226 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-08 14:10:00,226 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 14:10:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 14:10:00,226 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 14:10:00,226 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 14:10:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 14:10:00,227 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 14:10:00,227 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 14:10:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 14:10:00,227 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 14:10:00,227 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 14:10:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 14:10:00,228 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 14:10:00,228 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 14:10:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 14:10:00,228 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 14:10:00,229 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 14:10:00,229 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 14:10:00,229 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 14:10:00,229 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 14:10:00,229 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 14:10:00,229 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 14:10:00,230 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 14:10:00,230 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 14:10:00,230 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 14:10:00,230 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 14:10:00,230 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 14:10:00,230 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 14:10:00,231 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-08 14:10:00,231 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-08 14:10:00,231 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-08 14:10:00,231 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread36 given in one single declaration [2020-10-08 14:10:00,231 INFO L130 BoogieDeclarations]: Found specification of procedure thread36 [2020-10-08 14:10:00,231 INFO L138 BoogieDeclarations]: Found implementation of procedure thread36 [2020-10-08 14:10:00,232 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-08 14:10:00,232 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-08 14:10:00,232 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-08 14:10:00,232 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread35 given in one single declaration [2020-10-08 14:10:00,232 INFO L130 BoogieDeclarations]: Found specification of procedure thread35 [2020-10-08 14:10:00,233 INFO L138 BoogieDeclarations]: Found implementation of procedure thread35 [2020-10-08 14:10:00,233 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-08 14:10:00,233 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-08 14:10:00,233 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-08 14:10:00,233 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 14:10:00,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 14:10:00,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 14:10:00,234 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread38 given in one single declaration [2020-10-08 14:10:00,234 INFO L130 BoogieDeclarations]: Found specification of procedure thread38 [2020-10-08 14:10:00,234 INFO L138 BoogieDeclarations]: Found implementation of procedure thread38 [2020-10-08 14:10:00,234 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-08 14:10:00,235 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-08 14:10:00,235 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-08 14:10:00,235 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread37 given in one single declaration [2020-10-08 14:10:00,235 INFO L130 BoogieDeclarations]: Found specification of procedure thread37 [2020-10-08 14:10:00,235 INFO L138 BoogieDeclarations]: Found implementation of procedure thread37 [2020-10-08 14:10:00,235 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-08 14:10:00,236 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-08 14:10:00,236 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-08 14:10:00,236 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-10-08 14:10:00,236 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-10-08 14:10:00,236 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-10-08 14:10:00,236 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 14:10:00,237 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 14:10:00,237 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 14:10:00,237 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-08 14:10:00,237 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-08 14:10:00,237 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-08 14:10:00,237 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-10-08 14:10:00,238 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-10-08 14:10:00,238 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-10-08 14:10:00,238 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 14:10:00,238 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 14:10:00,238 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 14:10:00,239 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-10-08 14:10:00,239 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-10-08 14:10:00,239 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-10-08 14:10:00,239 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 14:10:00,239 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 14:10:00,239 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 14:10:00,241 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-08 14:10:00,797 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 14:10:00,797 INFO L298 CfgBuilder]: Removed 44 assume(true) statements. [2020-10-08 14:10:00,799 INFO L202 PluginConnector]: Adding new model example2_N=44.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 02:10:00 BoogieIcfgContainer [2020-10-08 14:10:00,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 14:10:00,801 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 14:10:00,801 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 14:10:00,804 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 14:10:00,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=44.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:10:00" (1/2) ... [2020-10-08 14:10:00,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@451af81a and model type example2_N=44.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 02:10:00, skipping insertion in model container [2020-10-08 14:10:00,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=44.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 02:10:00" (2/2) ... [2020-10-08 14:10:00,808 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=44.bpl [2020-10-08 14:10:00,819 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 14:10:00,819 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 14:10:00,827 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 14:10:00,828 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 14:10:01,685 INFO L253 AbstractCegarLoop]: Starting to check reachability of 45 error locations. [2020-10-08 14:10:01,707 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 14:10:01,707 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 14:10:01,707 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 14:10:01,708 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 14:10:01,708 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 14:10:01,708 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 14:10:01,708 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 14:10:01,708 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 14:10:01,734 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-08 14:10:01,736 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 357 places, 268 transitions, 888 flow [2020-10-08 14:10:01,739 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 357 places, 268 transitions, 888 flow [2020-10-08 14:10:01,741 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 357 places, 268 transitions, 888 flow [2020-10-08 14:10:01,970 INFO L129 PetriNetUnfolder]: 44/224 cut-off events. [2020-10-08 14:10:01,971 INFO L130 PetriNetUnfolder]: For 44/44 co-relation queries the response was YES. [2020-10-08 14:10:01,992 INFO L80 FinitePrefix]: Finished finitePrefix Result has 401 conditions, 224 events. 44/224 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 303 event pairs, 0 based on Foata normal form. 0/179 useless extension candidates. Maximal degree in co-relation 261. Up to 2 conditions per place. [2020-10-08 14:10:02,016 INFO L117 LiptonReduction]: Number of co-enabled transitions 28380 [2020-10-08 14:10:02,978 INFO L132 LiptonReduction]: Checked pairs total: 44935 [2020-10-08 14:10:02,979 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-08 14:10:02,986 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 355 places, 266 transitions, 884 flow Received shutdown request... [2020-10-08 14:23:18,106 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-08 14:23:18,109 WARN L235 ceAbstractionStarter]: Timeout [2020-10-08 14:23:18,109 INFO L202 PluginConnector]: Adding new model example2_N=44.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 02:23:18 BasicIcfg [2020-10-08 14:23:18,109 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-08 14:23:18,115 INFO L168 Benchmark]: Toolchain (without parser) took 798069.55 ms. Allocated memory was 247.5 MB in the beginning and 9.0 GB in the end (delta: 8.8 GB). Free memory was 221.3 MB in the beginning and 2.2 GB in the end (delta: -1.9 GB). Peak memory consumption was 8.2 GB. Max. memory is 14.2 GB. [2020-10-08 14:23:18,116 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.43 ms. Allocated memory is still 247.5 MB. Free memory is still 223.9 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 14:23:18,117 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.65 ms. Allocated memory is still 247.5 MB. Free memory was 221.3 MB in the beginning and 218.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 14:23:18,119 INFO L168 Benchmark]: Boogie Preprocessor took 52.46 ms. Allocated memory is still 247.5 MB. Free memory was 218.8 MB in the beginning and 216.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 14:23:18,119 INFO L168 Benchmark]: RCFGBuilder took 662.24 ms. Allocated memory is still 247.5 MB. Free memory was 216.3 MB in the beginning and 178.5 MB in the end (delta: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 14.2 GB. [2020-10-08 14:23:18,120 INFO L168 Benchmark]: TraceAbstraction took 797308.55 ms. Allocated memory was 247.5 MB in the beginning and 9.0 GB in the end (delta: 8.8 GB). Free memory was 176.0 MB in the beginning and 2.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 8.1 GB. Max. memory is 14.2 GB. [2020-10-08 14:23:18,124 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 0.43 ms. Allocated memory is still 247.5 MB. Free memory is still 223.9 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 41.65 ms. Allocated memory is still 247.5 MB. Free memory was 221.3 MB in the beginning and 218.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 52.46 ms. Allocated memory is still 247.5 MB. Free memory was 218.8 MB in the beginning and 216.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 662.24 ms. Allocated memory is still 247.5 MB. Free memory was 216.3 MB in the beginning and 178.5 MB in the end (delta: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 14.2 GB. * TraceAbstraction took 797308.55 ms. Allocated memory was 247.5 MB in the beginning and 9.0 GB in the end (delta: 8.8 GB). Free memory was 176.0 MB in the beginning and 2.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 8.1 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 10624 VarBasedMoverChecksPositive, 215 VarBasedMoverChecksNegative, 130 SemBasedMoverChecksPositive, 85 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 10648 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.2s, 357 PlacesBefore, 355 PlacesAfterwards, 268 TransitionsBefore, 266 TransitionsAfterwards, 28380 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 44935 MoverChecksTotal - TimeoutResultAtElement [Line: 98]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 98). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 355 places, 266 transitions, 884 flow. Already constructed 910806 states. Currently 455402 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 225 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 796.4s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 796.3s, 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