./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/goblint-regression/04-mutex_36-trylock_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/04-mutex_36-trylock_nr.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0d8b66b98fca524b0a343d5dd747c13b18a33bf448a3a25d7d1a1a10b8f7934d --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-13 02:21:42,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 02:21:42,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 02:21:42,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 02:21:42,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 02:21:42,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 02:21:42,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 02:21:42,493 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 02:21:42,494 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 02:21:42,498 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 02:21:42,500 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 02:21:42,503 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 02:21:42,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 02:21:42,505 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 02:21:42,512 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 02:21:42,515 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 02:21:42,516 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 02:21:42,517 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 02:21:42,520 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 02:21:42,526 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 02:21:42,527 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 02:21:42,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 02:21:42,529 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 02:21:42,531 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 02:21:42,532 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 02:21:42,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 02:21:42,538 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 02:21:42,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 02:21:42,541 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 02:21:42,541 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 02:21:42,542 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 02:21:42,542 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 02:21:42,544 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 02:21:42,544 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 02:21:42,545 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 02:21:42,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 02:21:42,546 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 02:21:42,547 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 02:21:42,547 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 02:21:42,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 02:21:42,548 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 02:21:42,549 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 02:21:42,550 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-07-13 02:21:42,575 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 02:21:42,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 02:21:42,576 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 02:21:42,576 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 02:21:42,577 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 02:21:42,577 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 02:21:42,577 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 02:21:42,577 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 02:21:42,578 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 02:21:42,578 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 02:21:42,579 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 02:21:42,579 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-13 02:21:42,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 02:21:42,579 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 02:21:42,579 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 02:21:42,579 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 02:21:42,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 02:21:42,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 02:21:42,580 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-07-13 02:21:42,580 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 02:21:42,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 02:21:42,580 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 02:21:42,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 02:21:42,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 02:21:42,581 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 02:21:42,581 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 02:21:42,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 02:21:42,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 02:21:42,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 02:21:42,582 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 02:21:42,582 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 02:21:42,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 02:21:42,583 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 02:21:42,583 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d8b66b98fca524b0a343d5dd747c13b18a33bf448a3a25d7d1a1a10b8f7934d [2022-07-13 02:21:42,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 02:21:42,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 02:21:42,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 02:21:42,797 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 02:21:42,799 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 02:21:42,800 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/04-mutex_36-trylock_nr.i [2022-07-13 02:21:42,847 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85e7851a0/73fc25b152054200b142ee324c345fdf/FLAG2c2d5de2e [2022-07-13 02:21:43,285 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 02:21:43,287 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/04-mutex_36-trylock_nr.i [2022-07-13 02:21:43,307 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85e7851a0/73fc25b152054200b142ee324c345fdf/FLAG2c2d5de2e [2022-07-13 02:21:43,610 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85e7851a0/73fc25b152054200b142ee324c345fdf [2022-07-13 02:21:43,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 02:21:43,613 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 02:21:43,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 02:21:43,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 02:21:43,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 02:21:43,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:21:43" (1/1) ... [2022-07-13 02:21:43,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78cea8a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:21:43, skipping insertion in model container [2022-07-13 02:21:43,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:21:43" (1/1) ... [2022-07-13 02:21:43,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 02:21:43,651 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 02:21:44,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 02:21:44,100 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 02:21:44,142 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 02:21:44,235 INFO L208 MainTranslator]: Completed translation [2022-07-13 02:21:44,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:21:44 WrapperNode [2022-07-13 02:21:44,236 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 02:21:44,237 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 02:21:44,237 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 02:21:44,237 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 02:21:44,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:21:44" (1/1) ... [2022-07-13 02:21:44,275 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:21:44" (1/1) ... [2022-07-13 02:21:44,309 INFO L137 Inliner]: procedures = 524, calls = 61, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 119 [2022-07-13 02:21:44,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 02:21:44,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 02:21:44,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 02:21:44,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 02:21:44,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:21:44" (1/1) ... [2022-07-13 02:21:44,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:21:44" (1/1) ... [2022-07-13 02:21:44,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:21:44" (1/1) ... [2022-07-13 02:21:44,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:21:44" (1/1) ... [2022-07-13 02:21:44,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:21:44" (1/1) ... [2022-07-13 02:21:44,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:21:44" (1/1) ... [2022-07-13 02:21:44,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:21:44" (1/1) ... [2022-07-13 02:21:44,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 02:21:44,362 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 02:21:44,362 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 02:21:44,362 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 02:21:44,376 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:21:44" (1/1) ... [2022-07-13 02:21:44,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 02:21:44,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:21:44,398 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-13 02:21:44,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-13 02:21:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure counter_thread [2022-07-13 02:21:44,442 INFO L138 BoogieDeclarations]: Found implementation of procedure counter_thread [2022-07-13 02:21:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2022-07-13 02:21:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure monitor_thread [2022-07-13 02:21:44,443 INFO L138 BoogieDeclarations]: Found implementation of procedure monitor_thread [2022-07-13 02:21:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2022-07-13 02:21:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 02:21:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-13 02:21:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-07-13 02:21:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 02:21:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 02:21:44,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 02:21:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 02:21:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexTryLock [2022-07-13 02:21:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-07-13 02:21:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-13 02:21:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 02:21:44,448 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-07-13 02:21:44,673 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 02:21:44,674 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 02:21:44,872 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 02:21:44,880 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 02:21:44,880 INFO L299 CfgBuilder]: Removed 19 assume(true) statements. [2022-07-13 02:21:44,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:21:44 BoogieIcfgContainer [2022-07-13 02:21:44,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 02:21:44,884 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 02:21:44,884 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 02:21:44,887 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 02:21:44,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 02:21:43" (1/3) ... [2022-07-13 02:21:44,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa21411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:21:44, skipping insertion in model container [2022-07-13 02:21:44,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:21:44" (2/3) ... [2022-07-13 02:21:44,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa21411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:21:44, skipping insertion in model container [2022-07-13 02:21:44,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:21:44" (3/3) ... [2022-07-13 02:21:44,901 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_36-trylock_nr.i [2022-07-13 02:21:44,907 WARN L143 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-07-13 02:21:44,918 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 02:21:44,918 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-07-13 02:21:44,918 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-07-13 02:21:44,983 INFO L135 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-07-13 02:21:45,014 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-07-13 02:21:45,026 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 208 places, 232 transitions, 480 flow [2022-07-13 02:21:45,032 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 208 places, 232 transitions, 480 flow [2022-07-13 02:21:45,034 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 208 places, 232 transitions, 480 flow [2022-07-13 02:21:45,107 INFO L129 PetriNetUnfolder]: 31/230 cut-off events. [2022-07-13 02:21:45,121 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-07-13 02:21:45,126 INFO L84 FinitePrefix]: Finished finitePrefix Result has 239 conditions, 230 events. 31/230 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 456 event pairs, 0 based on Foata normal form. 0/189 useless extension candidates. Maximal degree in co-relation 138. Up to 5 conditions per place. [2022-07-13 02:21:45,134 INFO L116 LiptonReduction]: Number of co-enabled transitions 11614 [2022-07-13 02:22:01,277 INFO L131 LiptonReduction]: Checked pairs total: 13414 [2022-07-13 02:22:01,277 INFO L133 LiptonReduction]: Total number of compositions: 279 [2022-07-13 02:22:01,289 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 42 places, 55 transitions, 126 flow [2022-07-13 02:22:01,334 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 358 states, 332 states have (on average 4.445783132530121) internal successors, (1476), 357 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 02:22:01,346 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 02:22:01,351 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7630374e, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6b26eddd [2022-07-13 02:22:01,351 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-07-13 02:22:01,354 INFO L276 IsEmpty]: Start isEmpty. Operand has 358 states, 332 states have (on average 4.445783132530121) internal successors, (1476), 357 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 02:22:01,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-07-13 02:22:01,357 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:22:01,358 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-07-13 02:22:01,358 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [monitor_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-07-13 02:22:01,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:22:01,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1009, now seen corresponding path program 1 times [2022-07-13 02:22:01,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:22:01,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609034817] [2022-07-13 02:22:01,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:22:01,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:22:01,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 02:22:01,525 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 02:22:01,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 02:22:01,571 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 02:22:01,573 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-13 02:22:01,574 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2022-07-13 02:22:01,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2022-07-13 02:22:01,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2022-07-13 02:22:01,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2022-07-13 02:22:01,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2022-07-13 02:22:01,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2022-07-13 02:22:01,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2022-07-13 02:22:01,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2022-07-13 02:22:01,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 20 remaining) [2022-07-13 02:22:01,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 20 remaining) [2022-07-13 02:22:01,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2022-07-13 02:22:01,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2022-07-13 02:22:01,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2022-07-13 02:22:01,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2022-07-13 02:22:01,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2022-07-13 02:22:01,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2022-07-13 02:22:01,579 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2022-07-13 02:22:01,579 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2022-07-13 02:22:01,579 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2022-07-13 02:22:01,579 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2022-07-13 02:22:01,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 02:22:01,582 INFO L356 BasicCegarLoop]: Path program histogram: [1] [2022-07-13 02:22:01,588 INFO L226 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-07-13 02:22:01,588 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 02:22:01,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 02:22:01 BasicIcfg [2022-07-13 02:22:01,605 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 02:22:01,606 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 02:22:01,606 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 02:22:01,606 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 02:22:01,606 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:21:44" (3/4) ... [2022-07-13 02:22:01,608 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-07-13 02:22:01,641 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 02:22:01,642 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 02:22:01,643 INFO L158 Benchmark]: Toolchain (without parser) took 18029.71ms. Allocated memory was 107.0MB in the beginning and 140.5MB in the end (delta: 33.6MB). Free memory was 75.6MB in the beginning and 82.6MB in the end (delta: -7.0MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2022-07-13 02:22:01,643 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 86.0MB. Free memory was 53.9MB in the beginning and 53.9MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 02:22:01,644 INFO L158 Benchmark]: CACSL2BoogieTranslator took 622.50ms. Allocated memory is still 107.0MB. Free memory was 75.2MB in the beginning and 55.1MB in the end (delta: 20.1MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2022-07-13 02:22:01,644 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.74ms. Allocated memory is still 107.0MB. Free memory was 55.1MB in the beginning and 51.9MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 02:22:01,644 INFO L158 Benchmark]: Boogie Preprocessor took 51.34ms. Allocated memory is still 107.0MB. Free memory was 51.9MB in the beginning and 48.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-13 02:22:01,645 INFO L158 Benchmark]: RCFGBuilder took 520.84ms. Allocated memory is still 107.0MB. Free memory was 48.8MB in the beginning and 62.6MB in the end (delta: -13.8MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2022-07-13 02:22:01,645 INFO L158 Benchmark]: TraceAbstraction took 16721.16ms. Allocated memory was 107.0MB in the beginning and 140.5MB in the end (delta: 33.6MB). Free memory was 62.1MB in the beginning and 84.7MB in the end (delta: -22.6MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2022-07-13 02:22:01,646 INFO L158 Benchmark]: Witness Printer took 36.17ms. Allocated memory is still 140.5MB. Free memory was 84.7MB in the beginning and 82.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 02:22:01,652 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 86.0MB. Free memory was 53.9MB in the beginning and 53.9MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 622.50ms. Allocated memory is still 107.0MB. Free memory was 75.2MB in the beginning and 55.1MB in the end (delta: 20.1MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.74ms. Allocated memory is still 107.0MB. Free memory was 55.1MB in the beginning and 51.9MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.34ms. Allocated memory is still 107.0MB. Free memory was 51.9MB in the beginning and 48.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 520.84ms. Allocated memory is still 107.0MB. Free memory was 48.8MB in the beginning and 62.6MB in the end (delta: -13.8MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * TraceAbstraction took 16721.16ms. Allocated memory was 107.0MB in the beginning and 140.5MB in the end (delta: 33.6MB). Free memory was 62.1MB in the beginning and 84.7MB in the end (delta: -22.6MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * Witness Printer took 36.17ms. Allocated memory is still 140.5MB. Free memory was 84.7MB in the beginning and 82.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 16.2s, 208 PlacesBefore, 42 PlacesAfterwards, 232 TransitionsBefore, 55 TransitionsAfterwards, 11614 CoEnabledTransitionPairs, 8 FixpointIterations, 80 TrivialSequentialCompositions, 150 ConcurrentSequentialCompositions, 11 TrivialYvCompositions, 27 ConcurrentYvCompositions, 11 ChoiceCompositions, 279 TotalNumberOfCompositions, 13414 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 11998, positive: 11950, positive conditional: 0, positive unconditional: 11950, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8187, positive: 8156, positive conditional: 0, positive unconditional: 8156, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8187, positive: 8141, positive conditional: 0, positive unconditional: 8141, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1066, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 967, unknown conditional: 0, unknown unconditional: 967] ], Cache Queries: [ total: 11998, positive: 3794, positive conditional: 0, positive unconditional: 3794, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 8187, unknown conditional: 0, unknown unconditional: 8187] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 78, Positive conditional cache size: 0, Positive unconditional cache size: 78, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1839]: integer overflow possible integer overflow possible We found a FailurePath: [L1797] pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1798] long counter; [L1799] time_t end_time; [L1836] int status; [L1837] pthread_t counter_thread_id; [L1838] pthread_t monitor_thread_id; [L1839] time (((void *)0)) + 60 VAL [\old(argc)=2147483589, argc=2147483589, argv={2147483590:2147483591}, argv={2147483590:2147483591}, counter=0, counter_thread_id={28:0}, end_time=0, monitor_thread_id={29:0}, mutex={27:0}, time (((void *)0))=2147483588] - UnprovableResult [Line: 1830]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1825]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1830]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1825]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1808]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1808]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1807]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1807]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1839]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1843]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1840]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 294 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 16.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 16.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=358occurred in iteration=0, InterpolantAutomatonStates: 0, 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: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 1 NumberOfCodeBlocks, 1 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-07-13 02:22:01,694 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)