./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/goblint-regression/28-race_reach_78-equ_racing.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/28-race_reach_78-equ_racing.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 8e4241de9ab6aaee40e34a0aea220f2af2541cd79c1f3c4ee08672ad0bf05f65 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-13 02:30:19,490 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 02:30:19,492 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 02:30:19,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 02:30:19,533 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 02:30:19,534 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 02:30:19,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 02:30:19,539 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 02:30:19,541 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 02:30:19,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 02:30:19,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 02:30:19,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 02:30:19,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 02:30:19,548 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 02:30:19,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 02:30:19,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 02:30:19,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 02:30:19,552 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 02:30:19,554 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 02:30:19,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 02:30:19,557 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 02:30:19,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 02:30:19,559 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 02:30:19,559 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 02:30:19,560 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 02:30:19,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 02:30:19,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 02:30:19,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 02:30:19,568 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 02:30:19,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 02:30:19,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 02:30:19,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 02:30:19,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 02:30:19,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 02:30:19,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 02:30:19,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 02:30:19,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 02:30:19,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 02:30:19,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 02:30:19,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 02:30:19,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 02:30:19,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 02:30:19,576 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-07-13 02:30:19,595 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 02:30:19,596 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 02:30:19,596 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 02:30:19,596 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 02:30:19,597 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 02:30:19,597 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 02:30:19,597 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 02:30:19,597 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 02:30:19,597 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 02:30:19,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 02:30:19,598 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 02:30:19,598 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-13 02:30:19,598 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 02:30:19,598 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 02:30:19,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 02:30:19,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 02:30:19,598 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 02:30:19,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 02:30:19,599 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-07-13 02:30:19,600 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 02:30:19,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 02:30:19,600 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 02:30:19,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 02:30:19,601 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 02:30:19,601 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 02:30:19,601 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 02:30:19,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 02:30:19,601 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 02:30:19,602 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 02:30:19,602 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 02:30:19,602 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 02:30:19,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 02:30:19,602 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 02:30:19,602 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e4241de9ab6aaee40e34a0aea220f2af2541cd79c1f3c4ee08672ad0bf05f65 [2022-07-13 02:30:19,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 02:30:19,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 02:30:19,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 02:30:19,809 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 02:30:19,823 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 02:30:19,824 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/28-race_reach_78-equ_racing.i [2022-07-13 02:30:19,887 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b346af539/02c703005eed4858bb3798917d97779b/FLAG0672aa2ac [2022-07-13 02:30:20,306 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 02:30:20,306 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_78-equ_racing.i [2022-07-13 02:30:20,319 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b346af539/02c703005eed4858bb3798917d97779b/FLAG0672aa2ac [2022-07-13 02:30:20,331 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b346af539/02c703005eed4858bb3798917d97779b [2022-07-13 02:30:20,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 02:30:20,335 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 02:30:20,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 02:30:20,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 02:30:20,339 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 02:30:20,339 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:30:20" (1/1) ... [2022-07-13 02:30:20,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2208f2dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:30:20, skipping insertion in model container [2022-07-13 02:30:20,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:30:20" (1/1) ... [2022-07-13 02:30:20,345 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 02:30:20,382 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 02:30:20,726 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_78-equ_racing.i[47038,47051] [2022-07-13 02:30:20,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 02:30:20,768 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 02:30:20,799 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_78-equ_racing.i[47038,47051] [2022-07-13 02:30:20,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 02:30:20,848 INFO L208 MainTranslator]: Completed translation [2022-07-13 02:30:20,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:30:20 WrapperNode [2022-07-13 02:30:20,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 02:30:20,850 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 02:30:20,850 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 02:30:20,850 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 02:30:20,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:30:20" (1/1) ... [2022-07-13 02:30:20,874 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:30:20" (1/1) ... [2022-07-13 02:30:20,898 INFO L137 Inliner]: procedures = 271, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 214 [2022-07-13 02:30:20,899 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 02:30:20,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 02:30:20,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 02:30:20,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 02:30:20,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:30:20" (1/1) ... [2022-07-13 02:30:20,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:30:20" (1/1) ... [2022-07-13 02:30:20,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:30:20" (1/1) ... [2022-07-13 02:30:20,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:30:20" (1/1) ... [2022-07-13 02:30:20,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:30:20" (1/1) ... [2022-07-13 02:30:20,922 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:30:20" (1/1) ... [2022-07-13 02:30:20,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:30:20" (1/1) ... [2022-07-13 02:30:20,926 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 02:30:20,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 02:30:20,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 02:30:20,926 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 02:30:20,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:30:20" (1/1) ... [2022-07-13 02:30:20,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 02:30:20,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:30:20,955 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 02:30:20,980 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 02:30:20,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 02:30:20,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 02:30:21,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-13 02:30:21,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-13 02:30:21,000 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-07-13 02:30:21,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 02:30:21,002 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-07-13 02:30:21,003 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-07-13 02:30:21,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 02:30:21,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 02:30:21,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 02:30:21,004 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 02:30:21,174 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 02:30:21,176 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 02:30:21,473 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 02:30:21,479 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 02:30:21,481 INFO L299 CfgBuilder]: Removed 22 assume(true) statements. [2022-07-13 02:30:21,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:30:21 BoogieIcfgContainer [2022-07-13 02:30:21,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 02:30:21,486 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 02:30:21,487 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 02:30:21,489 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 02:30:21,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 02:30:20" (1/3) ... [2022-07-13 02:30:21,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58f89759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:30:21, skipping insertion in model container [2022-07-13 02:30:21,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:30:20" (2/3) ... [2022-07-13 02:30:21,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58f89759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:30:21, skipping insertion in model container [2022-07-13 02:30:21,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:30:21" (3/3) ... [2022-07-13 02:30:21,491 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_78-equ_racing.i [2022-07-13 02:30:21,495 WARN L143 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-07-13 02:30:21,501 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 02:30:21,501 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-07-13 02:30:21,501 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-07-13 02:30:21,554 INFO L135 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-07-13 02:30:21,578 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-07-13 02:30:21,588 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 208 places, 233 transitions, 474 flow [2022-07-13 02:30:21,594 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 208 places, 233 transitions, 474 flow [2022-07-13 02:30:21,595 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 208 places, 233 transitions, 474 flow [2022-07-13 02:30:21,657 INFO L129 PetriNetUnfolder]: 42/312 cut-off events. [2022-07-13 02:30:21,661 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-07-13 02:30:21,672 INFO L84 FinitePrefix]: Finished finitePrefix Result has 318 conditions, 312 events. 42/312 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1048 event pairs, 0 based on Foata normal form. 0/247 useless extension candidates. Maximal degree in co-relation 153. Up to 8 conditions per place. [2022-07-13 02:30:21,680 INFO L116 LiptonReduction]: Number of co-enabled transitions 11570 [2022-07-13 02:30:27,479 INFO L131 LiptonReduction]: Checked pairs total: 23397 [2022-07-13 02:30:27,479 INFO L133 LiptonReduction]: Total number of compositions: 237 [2022-07-13 02:30:27,485 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 60 places, 81 transitions, 170 flow [2022-07-13 02:30:27,586 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 647 states, 592 states have (on average 3.045608108108108) internal successors, (1803), 646 states have internal predecessors, (1803), 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 02:30:27,598 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 02:30:27,602 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@22f052ae, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3a734fe3 [2022-07-13 02:30:27,603 INFO L358 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2022-07-13 02:30:27,605 INFO L276 IsEmpty]: Start isEmpty. Operand has 647 states, 592 states have (on average 3.045608108108108) internal successors, (1803), 646 states have internal predecessors, (1803), 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 02:30:27,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-07-13 02:30:27,608 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:30:27,609 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-07-13 02:30:27,609 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2022-07-13 02:30:27,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:30:27,612 INFO L85 PathProgramCache]: Analyzing trace with hash 911, now seen corresponding path program 1 times [2022-07-13 02:30:27,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:30:27,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317562212] [2022-07-13 02:30:27,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:30:27,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:30:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:30:27,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:30:27,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:30:27,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317562212] [2022-07-13 02:30:27,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317562212] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 02:30:27,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 02:30:27,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-07-13 02:30:27,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402147064] [2022-07-13 02:30:27,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 02:30:27,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-13 02:30:27,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:30:27,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-13 02:30:27,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 02:30:27,707 INFO L87 Difference]: Start difference. First operand has 647 states, 592 states have (on average 3.045608108108108) internal successors, (1803), 646 states have internal predecessors, (1803), 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) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 02:30:27,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:30:27,786 INFO L93 Difference]: Finished difference Result 644 states and 1262 transitions. [2022-07-13 02:30:27,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-13 02:30:27,788 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) Word has length 1 [2022-07-13 02:30:27,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:30:27,805 INFO L225 Difference]: With dead ends: 644 [2022-07-13 02:30:27,805 INFO L226 Difference]: Without dead ends: 626 [2022-07-13 02:30:27,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 02:30:27,809 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 02:30:27,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 02:30:27,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2022-07-13 02:30:27,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 626. [2022-07-13 02:30:27,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 626 states, 576 states have (on average 2.138888888888889) internal successors, (1232), 625 states have internal predecessors, (1232), 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 02:30:27,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 1232 transitions. [2022-07-13 02:30:27,875 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 1232 transitions. Word has length 1 [2022-07-13 02:30:27,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:30:27,876 INFO L495 AbstractCegarLoop]: Abstraction has 626 states and 1232 transitions. [2022-07-13 02:30:27,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 02:30:27,877 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 1232 transitions. [2022-07-13 02:30:27,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-07-13 02:30:27,877 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:30:27,878 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-07-13 02:30:27,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 02:30:27,881 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2022-07-13 02:30:27,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:30:27,882 INFO L85 PathProgramCache]: Analyzing trace with hash 907, now seen corresponding path program 1 times [2022-07-13 02:30:27,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:30:27,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824155967] [2022-07-13 02:30:27,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:30:27,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:30:27,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 02:30:27,933 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 02:30:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 02:30:27,959 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 02:30:27,962 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-13 02:30:27,963 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 21 remaining) [2022-07-13 02:30:27,965 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 21 remaining) [2022-07-13 02:30:27,965 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 21 remaining) [2022-07-13 02:30:27,965 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 21 remaining) [2022-07-13 02:30:27,966 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 21 remaining) [2022-07-13 02:30:27,966 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 21 remaining) [2022-07-13 02:30:27,966 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 21 remaining) [2022-07-13 02:30:27,967 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 21 remaining) [2022-07-13 02:30:27,970 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 21 remaining) [2022-07-13 02:30:27,970 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 21 remaining) [2022-07-13 02:30:27,970 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 21 remaining) [2022-07-13 02:30:27,970 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 21 remaining) [2022-07-13 02:30:27,971 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 21 remaining) [2022-07-13 02:30:27,971 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 21 remaining) [2022-07-13 02:30:27,972 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 21 remaining) [2022-07-13 02:30:27,972 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 21 remaining) [2022-07-13 02:30:27,972 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 21 remaining) [2022-07-13 02:30:27,976 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 21 remaining) [2022-07-13 02:30:27,977 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 21 remaining) [2022-07-13 02:30:27,977 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 21 remaining) [2022-07-13 02:30:27,977 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 21 remaining) [2022-07-13 02:30:27,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 02:30:27,979 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-13 02:30:27,987 INFO L226 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-07-13 02:30:27,987 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 02:30:28,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 02:30:28 BasicIcfg [2022-07-13 02:30:28,008 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 02:30:28,009 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 02:30:28,009 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 02:30:28,009 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 02:30:28,010 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:30:21" (3/4) ... [2022-07-13 02:30:28,011 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-07-13 02:30:28,036 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 02:30:28,037 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 02:30:28,039 INFO L158 Benchmark]: Toolchain (without parser) took 7702.12ms. Allocated memory was 115.3MB in the beginning and 209.7MB in the end (delta: 94.4MB). Free memory was 82.5MB in the beginning and 99.0MB in the end (delta: -16.4MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. [2022-07-13 02:30:28,039 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 83.9MB. Free memory was 40.3MB in the beginning and 40.3MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 02:30:28,039 INFO L158 Benchmark]: CACSL2BoogieTranslator took 512.77ms. Allocated memory is still 115.3MB. Free memory was 82.2MB in the beginning and 72.0MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-13 02:30:28,039 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.91ms. Allocated memory is still 115.3MB. Free memory was 72.0MB in the beginning and 69.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-13 02:30:28,040 INFO L158 Benchmark]: Boogie Preprocessor took 26.52ms. Allocated memory is still 115.3MB. Free memory was 69.3MB in the beginning and 67.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 02:30:28,040 INFO L158 Benchmark]: RCFGBuilder took 557.46ms. Allocated memory is still 115.3MB. Free memory was 67.2MB in the beginning and 83.5MB in the end (delta: -16.3MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2022-07-13 02:30:28,040 INFO L158 Benchmark]: TraceAbstraction took 6522.45ms. Allocated memory was 115.3MB in the beginning and 209.7MB in the end (delta: 94.4MB). Free memory was 83.5MB in the beginning and 101.1MB in the end (delta: -17.6MB). Peak memory consumption was 76.8MB. Max. memory is 16.1GB. [2022-07-13 02:30:28,040 INFO L158 Benchmark]: Witness Printer took 27.66ms. Allocated memory is still 209.7MB. Free memory was 100.0MB in the beginning and 99.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 02:30:28,043 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 83.9MB. Free memory was 40.3MB in the beginning and 40.3MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 512.77ms. Allocated memory is still 115.3MB. Free memory was 82.2MB in the beginning and 72.0MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.91ms. Allocated memory is still 115.3MB. Free memory was 72.0MB in the beginning and 69.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.52ms. Allocated memory is still 115.3MB. Free memory was 69.3MB in the beginning and 67.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 557.46ms. Allocated memory is still 115.3MB. Free memory was 67.2MB in the beginning and 83.5MB in the end (delta: -16.3MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * TraceAbstraction took 6522.45ms. Allocated memory was 115.3MB in the beginning and 209.7MB in the end (delta: 94.4MB). Free memory was 83.5MB in the beginning and 101.1MB in the end (delta: -17.6MB). Peak memory consumption was 76.8MB. Max. memory is 16.1GB. * Witness Printer took 27.66ms. Allocated memory is still 209.7MB. Free memory was 100.0MB in the beginning and 99.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.9s, 208 PlacesBefore, 60 PlacesAfterwards, 233 TransitionsBefore, 81 TransitionsAfterwards, 11570 CoEnabledTransitionPairs, 8 FixpointIterations, 89 TrivialSequentialCompositions, 122 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 18 ConcurrentYvCompositions, 4 ChoiceCompositions, 237 TotalNumberOfCompositions, 23397 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 12524, positive: 12146, positive conditional: 0, positive unconditional: 12146, negative: 378, negative conditional: 0, negative unconditional: 378, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7610, positive: 7515, positive conditional: 0, positive unconditional: 7515, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7610, positive: 7250, positive conditional: 0, positive unconditional: 7250, negative: 360, negative conditional: 0, negative unconditional: 360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 360, positive: 265, positive conditional: 0, positive unconditional: 265, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 356, positive: 198, positive conditional: 0, positive unconditional: 198, negative: 158, negative conditional: 0, negative unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 12524, positive: 4631, positive conditional: 0, positive unconditional: 4631, negative: 283, negative conditional: 0, negative unconditional: 283, unknown: 7610, unknown conditional: 0, unknown unconditional: 7610] , Statistics on independence cache: Total cache size (in pairs): 605, Positive cache size: 565, Positive conditional cache size: 0, Positive unconditional cache size: 565, Negative cache size: 40, Negative conditional cache size: 0, Negative unconditional cache size: 40 - 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: 1026]: integer overflow possible integer overflow possible We found a FailurePath: [L1004] pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1006-L1010] struct s { int datum; struct q inside; pthread_mutex_t mutex; } A, B; [L1020] int x = __VERIFIER_nondet_int(); [L1021] struct s *s; [L1022] int *d; [L1023] pthread_mutex_t *m; [L1024] COND TRUE \read(x) [L1025] s = &A [L1026] x++ VAL [__global_lock={3:0}, A={4:0}, B={5:0}, s={4:0}, x=2147483647, x++=2147483647] - UnprovableResult [Line: 1029]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1026]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1029]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1033]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1033]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1035]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1037]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1035]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1035]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1037]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1035]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1033]: 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: 1013]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1013]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1013]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1013]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 260 locations, 21 error locations. Started 1 CEGAR loops. OverallTime: 6.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 46 IncrementalHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 46 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=647occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 02:30:28,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, 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)