./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_79-equ_racefree-overflow.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b8dbc81d 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 ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_79-equ_racefree-overflow.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 2305533b08f16ed55fe1768852f1afe1d6f847d5ca6bb0bf597caf3ef6acd368 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 14:21:41,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 14:21:41,074 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 14:21:41,097 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 14:21:41,097 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 14:21:41,098 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 14:21:41,099 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 14:21:41,101 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 14:21:41,102 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 14:21:41,103 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 14:21:41,104 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 14:21:41,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 14:21:41,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 14:21:41,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 14:21:41,107 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 14:21:41,108 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 14:21:41,109 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 14:21:41,109 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 14:21:41,110 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 14:21:41,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 14:21:41,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 14:21:41,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 14:21:41,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 14:21:41,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 14:21:41,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 14:21:41,124 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 14:21:41,124 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 14:21:41,125 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 14:21:41,126 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 14:21:41,127 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 14:21:41,127 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 14:21:41,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 14:21:41,128 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 14:21:41,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 14:21:41,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 14:21:41,130 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 14:21:41,131 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 14:21:41,131 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 14:21:41,131 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 14:21:41,132 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 14:21:41,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 14:21:41,134 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 14:21:41,154 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 14:21:41,155 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 14:21:41,155 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 14:21:41,155 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 14:21:41,156 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 14:21:41,156 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 14:21:41,157 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 14:21:41,157 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 14:21:41,157 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 14:21:41,158 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 14:21:41,158 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 14:21:41,158 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 14:21:41,158 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 14:21:41,159 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 14:21:41,159 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 14:21:41,159 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 14:21:41,159 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 14:21:41,159 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 14:21:41,160 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 14:21:41,160 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 14:21:41,160 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 14:21:41,160 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 14:21:41,161 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 14:21:41,161 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 14:21:41,161 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 14:21:41,161 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 14:21:41,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 14:21:41,162 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 14:21:41,162 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 14:21:41,162 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 14:21:41,162 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 14:21:41,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 14:21:41,163 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 14:21:41,163 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 14:21:41,163 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 14:21:41,163 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 14:21:41,164 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 14:21:41,164 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2305533b08f16ed55fe1768852f1afe1d6f847d5ca6bb0bf597caf3ef6acd368 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-30 14:21:41,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 14:21:41,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 14:21:41,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 14:21:41,524 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 14:21:41,524 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 14:21:41,526 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_79-equ_racefree-overflow.i [2023-08-30 14:21:42,824 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 14:21:43,079 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 14:21:43,080 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_79-equ_racefree-overflow.i [2023-08-30 14:21:43,091 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f1d1832a/805efc106a9a47c89c731d894c0f16ed/FLAGd1d557eee [2023-08-30 14:21:43,109 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f1d1832a/805efc106a9a47c89c731d894c0f16ed [2023-08-30 14:21:43,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 14:21:43,113 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 14:21:43,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 14:21:43,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 14:21:43,119 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 14:21:43,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:21:43" (1/1) ... [2023-08-30 14:21:43,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eaba545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:21:43, skipping insertion in model container [2023-08-30 14:21:43,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:21:43" (1/1) ... [2023-08-30 14:21:43,131 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 14:21:43,192 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 14:21:43,543 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_79-equ_racefree-overflow.i[47038,47051] [2023-08-30 14:21:43,579 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 14:21:43,594 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 14:21:43,637 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_79-equ_racefree-overflow.i[47038,47051] [2023-08-30 14:21:43,657 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 14:21:43,723 INFO L208 MainTranslator]: Completed translation [2023-08-30 14:21:43,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:21:43 WrapperNode [2023-08-30 14:21:43,723 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 14:21:43,725 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 14:21:43,730 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 14:21:43,730 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 14:21:43,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:21:43" (1/1) ... [2023-08-30 14:21:43,760 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:21:43" (1/1) ... [2023-08-30 14:21:43,798 INFO L138 Inliner]: procedures = 271, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 217 [2023-08-30 14:21:43,799 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 14:21:43,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 14:21:43,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 14:21:43,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 14:21:43,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:21:43" (1/1) ... [2023-08-30 14:21:43,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:21:43" (1/1) ... [2023-08-30 14:21:43,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:21:43" (1/1) ... [2023-08-30 14:21:43,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:21:43" (1/1) ... [2023-08-30 14:21:43,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:21:43" (1/1) ... [2023-08-30 14:21:43,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:21:43" (1/1) ... [2023-08-30 14:21:43,853 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:21:43" (1/1) ... [2023-08-30 14:21:43,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:21:43" (1/1) ... [2023-08-30 14:21:43,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 14:21:43,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 14:21:43,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 14:21:43,866 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 14:21:43,866 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:21:43" (1/1) ... [2023-08-30 14:21:43,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 14:21:43,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 14:21:43,896 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) [2023-08-30 14:21:43,916 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 [2023-08-30 14:21:43,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 14:21:43,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 14:21:43,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 14:21:43,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 14:21:43,932 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 14:21:43,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 14:21:43,933 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-30 14:21:43,933 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-30 14:21:43,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 14:21:43,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 14:21:43,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 14:21:43,935 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 14:21:44,121 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 14:21:44,123 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 14:21:44,505 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 14:21:44,512 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 14:21:44,516 INFO L302 CfgBuilder]: Removed 22 assume(true) statements. [2023-08-30 14:21:44,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:21:44 BoogieIcfgContainer [2023-08-30 14:21:44,519 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 14:21:44,521 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 14:21:44,521 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 14:21:44,524 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 14:21:44,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 02:21:43" (1/3) ... [2023-08-30 14:21:44,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1305ab2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:21:44, skipping insertion in model container [2023-08-30 14:21:44,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:21:43" (2/3) ... [2023-08-30 14:21:44,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1305ab2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:21:44, skipping insertion in model container [2023-08-30 14:21:44,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:21:44" (3/3) ... [2023-08-30 14:21:44,527 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_79-equ_racefree-overflow.i [2023-08-30 14:21:44,534 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 14:21:44,543 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 14:21:44,543 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2023-08-30 14:21:44,543 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 14:21:44,620 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-30 14:21:44,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 203 places, 228 transitions, 464 flow [2023-08-30 14:21:44,746 INFO L130 PetriNetUnfolder]: 42/305 cut-off events. [2023-08-30 14:21:44,746 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-30 14:21:44,753 INFO L83 FinitePrefix]: Finished finitePrefix Result has 311 conditions, 305 events. 42/305 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 986 event pairs, 0 based on Foata normal form. 0/240 useless extension candidates. Maximal degree in co-relation 150. Up to 8 conditions per place. [2023-08-30 14:21:44,753 INFO L82 GeneralOperation]: Start removeDead. Operand has 203 places, 228 transitions, 464 flow [2023-08-30 14:21:44,765 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 201 places, 225 transitions, 458 flow [2023-08-30 14:21:44,773 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 14:21:44,785 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 201 places, 225 transitions, 458 flow [2023-08-30 14:21:44,791 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 201 places, 225 transitions, 458 flow [2023-08-30 14:21:44,792 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 201 places, 225 transitions, 458 flow [2023-08-30 14:21:44,857 INFO L130 PetriNetUnfolder]: 41/302 cut-off events. [2023-08-30 14:21:44,857 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-30 14:21:44,862 INFO L83 FinitePrefix]: Finished finitePrefix Result has 308 conditions, 302 events. 41/302 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 984 event pairs, 0 based on Foata normal form. 0/238 useless extension candidates. Maximal degree in co-relation 150. Up to 8 conditions per place. [2023-08-30 14:21:44,869 INFO L119 LiptonReduction]: Number of co-enabled transitions 11136 [2023-08-30 14:21:51,529 INFO L134 LiptonReduction]: Checked pairs total: 22411 [2023-08-30 14:21:51,529 INFO L136 LiptonReduction]: Total number of compositions: 210 [2023-08-30 14:21:51,549 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-30 14:21:51,555 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=PETRI_NET, 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5ab008f1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-30 14:21:51,555 INFO L358 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2023-08-30 14:21:51,557 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-30 14:21:51,557 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 14:21:51,558 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 14:21:51,558 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-30 14:21:51,559 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)] === [2023-08-30 14:21:51,563 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 14:21:51,563 INFO L85 PathProgramCache]: Analyzing trace with hash 872, now seen corresponding path program 1 times [2023-08-30 14:21:51,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 14:21:51,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183328911] [2023-08-30 14:21:51,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 14:21:51,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 14:21:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-30 14:21:51,752 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-30 14:21:51,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-30 14:21:51,812 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-30 14:21:51,814 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-30 14:21:51,816 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 21 remaining) [2023-08-30 14:21:51,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 21 remaining) [2023-08-30 14:21:51,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 21 remaining) [2023-08-30 14:21:51,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 21 remaining) [2023-08-30 14:21:51,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 21 remaining) [2023-08-30 14:21:51,820 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 21 remaining) [2023-08-30 14:21:51,820 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 21 remaining) [2023-08-30 14:21:51,820 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 21 remaining) [2023-08-30 14:21:51,820 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 21 remaining) [2023-08-30 14:21:51,821 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 21 remaining) [2023-08-30 14:21:51,821 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 21 remaining) [2023-08-30 14:21:51,821 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 21 remaining) [2023-08-30 14:21:51,822 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 21 remaining) [2023-08-30 14:21:51,822 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 21 remaining) [2023-08-30 14:21:51,822 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 21 remaining) [2023-08-30 14:21:51,823 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 21 remaining) [2023-08-30 14:21:51,823 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 21 remaining) [2023-08-30 14:21:51,823 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 21 remaining) [2023-08-30 14:21:51,823 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 21 remaining) [2023-08-30 14:21:51,824 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 21 remaining) [2023-08-30 14:21:51,825 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 21 remaining) [2023-08-30 14:21:51,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-30 14:21:51,826 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-30 14:21:51,837 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-30 14:21:51,838 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-30 14:21:51,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 02:21:51 BasicIcfg [2023-08-30 14:21:51,860 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-30 14:21:51,860 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-30 14:21:51,861 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-30 14:21:51,861 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-30 14:21:51,861 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:21:44" (3/4) ... [2023-08-30 14:21:51,863 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-08-30 14:21:51,900 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-30 14:21:51,900 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-30 14:21:51,901 INFO L158 Benchmark]: Toolchain (without parser) took 8787.68ms. Allocated memory was 73.4MB in the beginning and 107.0MB in the end (delta: 33.6MB). Free memory was 42.9MB in the beginning and 65.7MB in the end (delta: -22.8MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2023-08-30 14:21:51,901 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 56.6MB. Free memory was 34.5MB in the beginning and 34.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 14:21:51,902 INFO L158 Benchmark]: CACSL2BoogieTranslator took 609.63ms. Allocated memory is still 73.4MB. Free memory was 42.7MB in the beginning and 31.3MB in the end (delta: 11.4MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2023-08-30 14:21:51,902 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.21ms. Allocated memory is still 73.4MB. Free memory was 31.3MB in the beginning and 50.3MB in the end (delta: -19.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 14:21:51,902 INFO L158 Benchmark]: Boogie Preprocessor took 63.94ms. Allocated memory is still 73.4MB. Free memory was 50.0MB in the beginning and 48.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 14:21:51,903 INFO L158 Benchmark]: RCFGBuilder took 655.30ms. Allocated memory is still 73.4MB. Free memory was 48.2MB in the beginning and 48.8MB in the end (delta: -609.9kB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2023-08-30 14:21:51,903 INFO L158 Benchmark]: TraceAbstraction took 7338.41ms. Allocated memory was 73.4MB in the beginning and 107.0MB in the end (delta: 33.6MB). Free memory was 48.1MB in the beginning and 67.8MB in the end (delta: -19.8MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2023-08-30 14:21:51,908 INFO L158 Benchmark]: Witness Printer took 39.70ms. Allocated memory is still 107.0MB. Free memory was 67.8MB in the beginning and 65.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 14:21:51,910 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 56.6MB. Free memory was 34.5MB in the beginning and 34.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 609.63ms. Allocated memory is still 73.4MB. Free memory was 42.7MB in the beginning and 31.3MB in the end (delta: 11.4MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.21ms. Allocated memory is still 73.4MB. Free memory was 31.3MB in the beginning and 50.3MB in the end (delta: -19.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.94ms. Allocated memory is still 73.4MB. Free memory was 50.0MB in the beginning and 48.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 655.30ms. Allocated memory is still 73.4MB. Free memory was 48.2MB in the beginning and 48.8MB in the end (delta: -609.9kB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. * TraceAbstraction took 7338.41ms. Allocated memory was 73.4MB in the beginning and 107.0MB in the end (delta: 33.6MB). Free memory was 48.1MB in the beginning and 67.8MB in the end (delta: -19.8MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * Witness Printer took 39.70ms. Allocated memory is still 107.0MB. Free memory was 67.8MB in the beginning and 65.7MB 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: 6.7s, 201 PlacesBefore, 59 PlacesAfterwards, 225 TransitionsBefore, 78 TransitionsAfterwards, 11136 CoEnabledTransitionPairs, 7 FixpointIterations, 82 TrivialSequentialCompositions, 103 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 15 ConcurrentYvCompositions, 5 ChoiceCompositions, 210 TotalNumberOfCompositions, 22411 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10542, independent: 10151, independent conditional: 0, independent unconditional: 10151, dependent: 391, dependent conditional: 0, dependent unconditional: 391, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5709, independent: 5632, independent conditional: 0, independent unconditional: 5632, dependent: 77, dependent conditional: 0, dependent unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10542, independent: 4519, independent conditional: 0, independent unconditional: 4519, dependent: 314, dependent conditional: 0, dependent unconditional: 314, unknown: 5709, unknown conditional: 0, unknown unconditional: 5709] , Statistics on independence cache: Total cache size (in pairs): 400, Positive cache size: 365, Positive conditional cache size: 0, Positive unconditional cache size: 365, Negative cache size: 35, Negative conditional cache size: 0, Negative unconditional cache size: 35, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 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 [A={4:0}, B={5:0}, __global_lock={3:0}, s={4:0}, x++=2147483647, x=2147483647] - 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: 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: 1037]: 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: 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: 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, 254 locations, 21 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=164occurred 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! [2023-08-30 14:21:51,948 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)