/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=33.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-08 13:55:56,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 13:55:56,524 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 13:55:56,551 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 13:55:56,551 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 13:55:56,552 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 13:55:56,555 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 13:55:56,563 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 13:55:56,564 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 13:55:56,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 13:55:56,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 13:55:56,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 13:55:56,569 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 13:55:56,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 13:55:56,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 13:55:56,574 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 13:55:56,575 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 13:55:56,576 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 13:55:56,581 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 13:55:56,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 13:55:56,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 13:55:56,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 13:55:56,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 13:55:56,595 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 13:55:56,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-08 13:55:56,599 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-08 13:55:56,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-08 13:55:56,609 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-08 13:55:56,609 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-08 13:55:56,610 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-08 13:55:56,610 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 13:55:56,611 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 13:55:56,615 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 13:55:56,615 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 13:55:56,616 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 13:55:56,616 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 13:55:56,617 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 13:55:56,617 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 13:55:56,617 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 13:55:56,618 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 13:55:56,619 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 13:55:56,621 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 13:55:56,667 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 13:55:56,667 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 13:55:56,668 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 13:55:56,669 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 13:55:56,669 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 13:55:56,669 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 13:55:56,669 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 13:55:56,670 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 13:55:56,670 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 13:55:56,670 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 13:55:56,670 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 13:55:56,670 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 13:55:56,670 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 13:55:56,671 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 13:55:56,671 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 13:55:56,671 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 13:55:56,671 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 13:55:56,671 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 13:55:56,672 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 13:55:56,672 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 13:55:56,672 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 13:55:56,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 13:55:56,672 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 13:55:56,673 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 13:55:56,673 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 13:55:56,673 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-08 13:55:56,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 13:55:56,673 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 13:55:56,673 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-08 13:55:56,674 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 13:55:56,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 13:55:56,960 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 13:55:56,964 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 13:55:56,965 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 13:55:56,966 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 13:55:56,966 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=33.bpl [2020-10-08 13:55:56,967 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=33.bpl' [2020-10-08 13:55:57,019 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 13:55:57,021 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 13:55:57,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 13:55:57,021 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 13:55:57,022 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 13:55:57,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:55:57" (1/1) ... [2020-10-08 13:55:57,050 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:55:57" (1/1) ... [2020-10-08 13:55:57,060 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 13:55:57,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 13:55:57,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 13:55:57,062 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 13:55:57,072 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:55:57" (1/1) ... [2020-10-08 13:55:57,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:55:57" (1/1) ... [2020-10-08 13:55:57,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:55:57" (1/1) ... [2020-10-08 13:55:57,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:55:57" (1/1) ... [2020-10-08 13:55:57,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:55:57" (1/1) ... [2020-10-08 13:55:57,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:55:57" (1/1) ... [2020-10-08 13:55:57,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:55:57" (1/1) ... [2020-10-08 13:55:57,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 13:55:57,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 13:55:57,109 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 13:55:57,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 13:55:57,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:55:57" (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 13:55:57,189 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-08 13:55:57,190 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-08 13:55:57,192 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-08 13:55:57,193 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-08 13:55:57,193 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-08 13:55:57,193 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-08 13:55:57,193 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-08 13:55:57,194 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-08 13:55:57,194 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-08 13:55:57,194 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-08 13:55:57,194 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-08 13:55:57,194 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-08 13:55:57,195 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-08 13:55:57,195 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-08 13:55:57,195 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-08 13:55:57,196 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-08 13:55:57,196 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-08 13:55:57,196 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-08 13:55:57,196 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-08 13:55:57,196 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-08 13:55:57,197 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-08 13:55:57,197 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-08 13:55:57,197 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-08 13:55:57,198 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-08 13:55:57,205 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-08 13:55:57,206 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-08 13:55:57,206 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-08 13:55:57,207 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-08 13:55:57,207 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-08 13:55:57,207 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-08 13:55:57,207 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-08 13:55:57,208 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-08 13:55:57,208 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-08 13:55:57,208 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-08 13:55:57,209 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-08 13:55:57,209 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-08 13:55:57,210 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-08 13:55:57,210 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-08 13:55:57,210 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-08 13:55:57,210 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 13:55:57,210 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 13:55:57,210 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 13:55:57,211 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 13:55:57,211 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 13:55:57,211 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 13:55:57,212 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 13:55:57,212 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 13:55:57,212 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 13:55:57,212 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 13:55:57,213 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 13:55:57,213 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 13:55:57,213 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 13:55:57,213 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 13:55:57,214 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 13:55:57,214 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 13:55:57,214 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 13:55:57,214 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 13:55:57,214 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 13:55:57,215 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 13:55:57,215 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 13:55:57,215 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 13:55:57,216 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 13:55:57,216 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 13:55:57,216 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 13:55:57,216 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 13:55:57,216 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 13:55:57,217 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-08 13:55:57,218 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-08 13:55:57,218 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-08 13:55:57,218 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-08 13:55:57,218 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-08 13:55:57,218 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-08 13:55:57,219 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-08 13:55:57,219 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-08 13:55:57,219 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-08 13:55:57,220 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 13:55:57,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 13:55:57,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 13:55:57,220 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-08 13:55:57,220 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-08 13:55:57,221 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-08 13:55:57,221 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-08 13:55:57,221 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-08 13:55:57,221 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-08 13:55:57,222 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-10-08 13:55:57,222 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-10-08 13:55:57,223 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-10-08 13:55:57,223 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 13:55:57,223 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 13:55:57,223 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 13:55:57,224 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-08 13:55:57,224 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-08 13:55:57,224 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-08 13:55:57,224 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 13:55:57,224 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 13:55:57,224 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 13:55:57,225 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-10-08 13:55:57,225 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-10-08 13:55:57,225 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-10-08 13:55:57,225 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 13:55:57,225 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 13:55:57,226 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 13:55:57,227 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 13:55:57,718 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 13:55:57,718 INFO L298 CfgBuilder]: Removed 33 assume(true) statements. [2020-10-08 13:55:57,720 INFO L202 PluginConnector]: Adding new model example2_N=33.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 01:55:57 BoogieIcfgContainer [2020-10-08 13:55:57,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 13:55:57,722 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 13:55:57,722 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 13:55:57,724 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 13:55:57,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=33.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:55:57" (1/2) ... [2020-10-08 13:55:57,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@88dab98 and model type example2_N=33.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 01:55:57, skipping insertion in model container [2020-10-08 13:55:57,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=33.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 01:55:57" (2/2) ... [2020-10-08 13:55:57,728 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=33.bpl [2020-10-08 13:55:57,739 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 13:55:57,739 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 13:55:57,745 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 13:55:57,746 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 13:55:58,315 INFO L253 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2020-10-08 13:55:58,337 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 13:55:58,338 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 13:55:58,338 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 13:55:58,338 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 13:55:58,338 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 13:55:58,338 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 13:55:58,338 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 13:55:58,339 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 13:55:58,359 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-08 13:55:58,362 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 269 places, 202 transitions, 668 flow [2020-10-08 13:55:58,365 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 269 places, 202 transitions, 668 flow [2020-10-08 13:55:58,367 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 269 places, 202 transitions, 668 flow [2020-10-08 13:55:58,473 INFO L129 PetriNetUnfolder]: 33/169 cut-off events. [2020-10-08 13:55:58,473 INFO L130 PetriNetUnfolder]: For 33/33 co-relation queries the response was YES. [2020-10-08 13:55:58,488 INFO L80 FinitePrefix]: Finished finitePrefix Result has 302 conditions, 169 events. 33/169 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 229 event pairs, 0 based on Foata normal form. 0/135 useless extension candidates. Maximal degree in co-relation 195. Up to 2 conditions per place. [2020-10-08 13:55:58,504 INFO L117 LiptonReduction]: Number of co-enabled transitions 15840 [2020-10-08 13:55:59,404 INFO L132 LiptonReduction]: Checked pairs total: 24992 [2020-10-08 13:55:59,404 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-08 13:55:59,412 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 267 places, 200 transitions, 664 flow Received shutdown request... [2020-10-08 14:09:35,118 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-08 14:09:35,121 WARN L235 ceAbstractionStarter]: Timeout [2020-10-08 14:09:35,122 INFO L202 PluginConnector]: Adding new model example2_N=33.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 02:09:35 BasicIcfg [2020-10-08 14:09:35,122 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-08 14:09:35,125 INFO L168 Benchmark]: Toolchain (without parser) took 818103.57 ms. Allocated memory was 253.2 MB in the beginning and 7.2 GB in the end (delta: 6.9 GB). Free memory was 227.1 MB in the beginning and 1.2 GB in the end (delta: -995.4 MB). Peak memory consumption was 6.5 GB. Max. memory is 14.2 GB. [2020-10-08 14:09:35,134 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 253.2 MB. Free memory is still 229.6 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 14:09:35,136 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.65 ms. Allocated memory is still 253.2 MB. Free memory was 227.1 MB in the beginning and 224.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 14:09:35,137 INFO L168 Benchmark]: Boogie Preprocessor took 46.91 ms. Allocated memory is still 253.2 MB. Free memory is still 224.6 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 14:09:35,138 INFO L168 Benchmark]: RCFGBuilder took 612.07 ms. Allocated memory is still 253.2 MB. Free memory was 224.6 MB in the beginning and 191.8 MB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 14.2 GB. [2020-10-08 14:09:35,142 INFO L168 Benchmark]: TraceAbstraction took 817400.45 ms. Allocated memory was 253.2 MB in the beginning and 7.2 GB in the end (delta: 6.9 GB). Free memory was 191.8 MB in the beginning and 1.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 6.4 GB. Max. memory is 14.2 GB. [2020-10-08 14:09:35,147 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 253.2 MB. Free memory is still 229.6 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 39.65 ms. Allocated memory is still 253.2 MB. Free memory was 227.1 MB in the beginning and 224.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 46.91 ms. Allocated memory is still 253.2 MB. Free memory is still 224.6 MB. There was no memory consumed. Max. memory is 14.2 GB. * RCFGBuilder took 612.07 ms. Allocated memory is still 253.2 MB. Free memory was 224.6 MB in the beginning and 191.8 MB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 14.2 GB. * TraceAbstraction took 817400.45 ms. Allocated memory was 253.2 MB in the beginning and 7.2 GB in the end (delta: 6.9 GB). Free memory was 191.8 MB in the beginning and 1.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 6.4 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 4289 VarBasedMoverChecksPositive, 160 VarBasedMoverChecksNegative, 97 SemBasedMoverChecksPositive, 63 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 4318 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.0s, 269 PlacesBefore, 267 PlacesAfterwards, 202 TransitionsBefore, 200 TransitionsAfterwards, 15840 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 24992 MoverChecksTotal - TimeoutResultAtElement [Line: 76]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 76). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 267 places, 200 transitions, 664 flow. Already constructed 819039 states. Currently 409521 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 34 procedures, 170 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 816.7s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 816.7s, 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