/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=29.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-50b6972 [2020-10-06 18:49:38,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 18:49:38,127 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 18:49:38,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 18:49:38,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 18:49:38,166 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 18:49:38,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 18:49:38,175 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 18:49:38,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 18:49:38,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 18:49:38,179 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 18:49:38,180 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 18:49:38,182 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 18:49:38,185 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 18:49:38,186 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 18:49:38,188 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 18:49:38,189 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 18:49:38,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 18:49:38,194 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 18:49:38,196 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 18:49:38,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 18:49:38,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 18:49:38,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 18:49:38,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 18:49:38,213 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-06 18:49:38,213 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-06 18:49:38,214 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-06 18:49:38,217 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-06 18:49:38,218 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-06 18:49:38,219 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-06 18:49:38,221 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 18:49:38,222 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 18:49:38,223 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 18:49:38,224 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 18:49:38,225 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 18:49:38,225 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 18:49:38,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 18:49:38,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 18:49:38,228 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 18:49:38,228 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 18:49:38,230 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 18:49:38,231 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 18:49:38,273 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 18:49:38,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 18:49:38,274 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 18:49:38,275 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 18:49:38,275 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 18:49:38,275 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 18:49:38,275 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 18:49:38,276 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 18:49:38,276 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 18:49:38,276 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 18:49:38,276 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 18:49:38,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 18:49:38,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 18:49:38,277 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 18:49:38,277 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 18:49:38,277 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 18:49:38,277 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 18:49:38,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 18:49:38,278 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 18:49:38,278 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 18:49:38,278 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 18:49:38,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 18:49:38,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 18:49:38,279 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-06 18:49:38,279 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 18:49:38,279 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 18:49:38,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 18:49:38,279 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 18:49:38,280 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-06 18:49:38,280 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-06 18:49:38,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 18:49:38,599 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 18:49:38,604 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 18:49:38,605 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-06 18:49:38,606 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-06 18:49:38,607 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=29.bpl [2020-10-06 18:49:38,608 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=29.bpl' [2020-10-06 18:49:38,677 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 18:49:38,679 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-06 18:49:38,680 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 18:49:38,680 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 18:49:38,680 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 18:49:38,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:38" (1/1) ... [2020-10-06 18:49:38,720 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:38" (1/1) ... [2020-10-06 18:49:38,731 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 18:49:38,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 18:49:38,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 18:49:38,732 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 18:49:38,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:38" (1/1) ... [2020-10-06 18:49:38,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:38" (1/1) ... [2020-10-06 18:49:38,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:38" (1/1) ... [2020-10-06 18:49:38,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:38" (1/1) ... [2020-10-06 18:49:38,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:38" (1/1) ... [2020-10-06 18:49:38,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:38" (1/1) ... [2020-10-06 18:49:38,801 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:38" (1/1) ... [2020-10-06 18:49:38,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 18:49:38,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 18:49:38,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 18:49:38,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 18:49:38,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:38" (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 18:49:38,911 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-06 18:49:38,911 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-06 18:49:38,913 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-06 18:49:38,914 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-06 18:49:38,914 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-06 18:49:38,914 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-06 18:49:38,914 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-06 18:49:38,915 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-06 18:49:38,915 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-06 18:49:38,915 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-06 18:49:38,915 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-06 18:49:38,915 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-06 18:49:38,916 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-06 18:49:38,916 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-06 18:49:38,916 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-06 18:49:38,916 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-06 18:49:38,916 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-06 18:49:38,917 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-06 18:49:38,917 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-06 18:49:38,917 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-06 18:49:38,917 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-06 18:49:38,917 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-06 18:49:38,918 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-06 18:49:38,918 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-06 18:49:38,925 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-06 18:49:38,926 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-06 18:49:38,927 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-06 18:49:38,928 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-06 18:49:38,928 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-06 18:49:38,928 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-06 18:49:38,929 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-06 18:49:38,929 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-06 18:49:38,929 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-06 18:49:38,929 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-06 18:49:38,930 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-06 18:49:38,930 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-06 18:49:38,931 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-06 18:49:38,931 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-06 18:49:38,931 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-06 18:49:38,931 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-06 18:49:38,932 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-06 18:49:38,932 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-06 18:49:38,932 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-06 18:49:38,932 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-06 18:49:38,933 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-06 18:49:38,933 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-06 18:49:38,933 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-06 18:49:38,934 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-06 18:49:38,934 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-06 18:49:38,934 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-06 18:49:38,934 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-06 18:49:38,935 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-06 18:49:38,935 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-06 18:49:38,935 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-06 18:49:38,935 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-06 18:49:38,935 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-06 18:49:38,936 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-06 18:49:38,936 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-06 18:49:38,936 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-06 18:49:38,937 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-06 18:49:38,937 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-06 18:49:38,937 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-06 18:49:38,937 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-06 18:49:38,938 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-06 18:49:38,938 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-06 18:49:38,938 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-06 18:49:38,939 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-06 18:49:38,939 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-06 18:49:38,939 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-06 18:49:38,940 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-06 18:49:38,940 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-06 18:49:38,941 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-06 18:49:38,941 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-06 18:49:38,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 18:49:38,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 18:49:38,942 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-06 18:49:38,942 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-06 18:49:38,943 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-06 18:49:38,943 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-06 18:49:38,943 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-06 18:49:38,943 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-06 18:49:38,943 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-06 18:49:38,944 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-06 18:49:38,944 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-06 18:49:38,945 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-06 18:49:38,945 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-06 18:49:38,946 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-06 18:49:38,946 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-06 18:49:38,946 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-06 18:49:38,946 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-06 18:49:38,948 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 18:49:39,466 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 18:49:39,467 INFO L298 CfgBuilder]: Removed 29 assume(true) statements. [2020-10-06 18:49:39,469 INFO L202 PluginConnector]: Adding new model example2_N=29.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 06:49:39 BoogieIcfgContainer [2020-10-06 18:49:39,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 18:49:39,471 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 18:49:39,471 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 18:49:39,474 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 18:49:39,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:49:38" (1/2) ... [2020-10-06 18:49:39,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24324c49 and model type example2_N=29.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 06:49:39, skipping insertion in model container [2020-10-06 18:49:39,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=29.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 06:49:39" (2/2) ... [2020-10-06 18:49:39,478 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=29.bpl [2020-10-06 18:49:39,488 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 18:49:39,489 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-06 18:49:39,496 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 18:49:39,498 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 18:49:39,932 INFO L253 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2020-10-06 18:49:39,954 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-06 18:49:39,955 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-06 18:49:39,955 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-06 18:49:39,955 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-06 18:49:39,955 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 18:49:39,955 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-06 18:49:39,956 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 18:49:39,956 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 18:49:39,976 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-06 18:49:39,979 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 237 places, 178 transitions, 588 flow [2020-10-06 18:49:39,982 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 237 places, 178 transitions, 588 flow [2020-10-06 18:49:39,984 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 237 places, 178 transitions, 588 flow [2020-10-06 18:49:40,096 INFO L129 PetriNetUnfolder]: 29/149 cut-off events. [2020-10-06 18:49:40,097 INFO L130 PetriNetUnfolder]: For 29/29 co-relation queries the response was YES. [2020-10-06 18:49:40,107 INFO L80 FinitePrefix]: Finished finitePrefix Result has 266 conditions, 149 events. 29/149 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 207 event pairs, 0 based on Foata normal form. 0/119 useless extension candidates. Maximal degree in co-relation 171. Up to 2 conditions per place. [2020-10-06 18:49:40,119 INFO L117 LiptonReduction]: Number of co-enabled transitions 12180 [2020-10-06 18:49:41,072 INFO L132 LiptonReduction]: Checked pairs total: 19180 [2020-10-06 18:49:41,072 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-06 18:49:41,080 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 235 places, 176 transitions, 584 flow Received shutdown request... [2020-10-06 19:03:19,198 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-06 19:03:19,203 WARN L235 ceAbstractionStarter]: Timeout [2020-10-06 19:03:19,204 INFO L202 PluginConnector]: Adding new model example2_N=29.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 07:03:19 BasicIcfg [2020-10-06 19:03:19,204 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 19:03:19,210 INFO L168 Benchmark]: Toolchain (without parser) took 820527.06 ms. Allocated memory was 253.2 MB in the beginning and 7.1 GB in the end (delta: 6.8 GB). Free memory was 228.8 MB in the beginning and 1.1 GB in the end (delta: -903.6 MB). Peak memory consumption was 6.3 GB. Max. memory is 14.2 GB. [2020-10-06 19:03:19,211 INFO L168 Benchmark]: Boogie PL CUP Parser took 1.34 ms. Allocated memory is still 253.2 MB. Free memory is still 230.4 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 19:03:19,212 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.24 ms. Allocated memory is still 253.2 MB. Free memory was 228.8 MB in the beginning and 227.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-06 19:03:19,213 INFO L168 Benchmark]: Boogie Preprocessor took 78.96 ms. Allocated memory is still 253.2 MB. Free memory was 227.1 MB in the beginning and 225.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-06 19:03:19,215 INFO L168 Benchmark]: RCFGBuilder took 655.63 ms. Allocated memory is still 253.2 MB. Free memory was 225.4 MB in the beginning and 196.0 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 14.2 GB. [2020-10-06 19:03:19,219 INFO L168 Benchmark]: TraceAbstraction took 819733.66 ms. Allocated memory was 253.2 MB in the beginning and 7.1 GB in the end (delta: 6.8 GB). Free memory was 195.1 MB in the beginning and 1.1 GB in the end (delta: -937.3 MB). Peak memory consumption was 6.2 GB. Max. memory is 14.2 GB. [2020-10-06 19:03:19,227 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 253.2 MB. Free memory is still 230.4 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 51.24 ms. Allocated memory is still 253.2 MB. Free memory was 228.8 MB in the beginning and 227.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 78.96 ms. Allocated memory is still 253.2 MB. Free memory was 227.1 MB in the beginning and 225.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * RCFGBuilder took 655.63 ms. Allocated memory is still 253.2 MB. Free memory was 225.4 MB in the beginning and 196.0 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 14.2 GB. * TraceAbstraction took 819733.66 ms. Allocated memory was 253.2 MB in the beginning and 7.1 GB in the end (delta: 6.8 GB). Free memory was 195.1 MB in the beginning and 1.1 GB in the end (delta: -937.3 MB). 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 4540 VarBasedMoverChecksPositive, 196 VarBasedMoverChecksNegative, 113 SemBasedMoverChecksPositive, 83 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.7s, 4612 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.0s, 237 PlacesBefore, 235 PlacesAfterwards, 178 TransitionsBefore, 176 TransitionsAfterwards, 12180 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 19180 MoverChecksTotal - TimeoutResultAtElement [Line: 68]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 68). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 235 places, 176 transitions, 584 flow. Already constructed 779160 states. Currently 389583 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 150 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 819.2s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 819.2s, 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