./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_78-equ_racing-overflow.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45c1f72-999e-4176-a4b9-5ef5d81817d3/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45c1f72-999e-4176-a4b9-5ef5d81817d3/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45c1f72-999e-4176-a4b9-5ef5d81817d3/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45c1f72-999e-4176-a4b9-5ef5d81817d3/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_78-equ_racing-overflow.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45c1f72-999e-4176-a4b9-5ef5d81817d3/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45c1f72-999e-4176-a4b9-5ef5d81817d3/bin/uautomizer-uyxdKDjOR8 --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 11:10:20,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:10:20,852 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:10:20,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:10:20,864 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:10:20,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:10:20,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:10:20,866 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:10:20,867 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:10:20,868 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:10:20,868 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:10:20,869 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:10:20,869 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:10:20,870 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:10:20,871 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:10:20,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:10:20,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:10:20,873 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:10:20,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:10:20,875 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:10:20,875 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:10:20,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:10:20,877 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:10:20,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:10:20,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:10:20,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:10:20,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:10:20,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:10:20,881 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:10:20,882 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:10:20,882 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:10:20,882 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:10:20,883 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:10:20,883 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:10:20,884 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:10:20,884 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:10:20,884 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:10:20,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:10:20,885 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:10:20,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:10:20,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:10:20,886 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45c1f72-999e-4176-a4b9-5ef5d81817d3/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 11:10:20,902 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:10:20,902 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:10:20,902 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 11:10:20,903 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 11:10:20,903 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 11:10:20,903 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 11:10:20,903 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:10:20,904 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:10:20,904 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:10:20,904 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:10:20,904 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 11:10:20,904 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 11:10:20,904 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 11:10:20,904 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 11:10:20,904 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:10:20,904 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 11:10:20,904 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 11:10:20,905 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 11:10:20,905 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 11:10:20,905 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 11:10:20,905 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:10:20,905 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:10:20,905 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 11:10:20,905 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:10:20,905 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:10:20,905 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 11:10:20,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:10:20,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:10:20,906 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 11:10:20,906 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 11:10:20,906 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 11:10:20,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 11:10:20,906 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 11:10:20,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 11:10:20,906 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 11:10:20,906 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 11:10:20,906 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 11:10:20,906 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45c1f72-999e-4176-a4b9-5ef5d81817d3/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45c1f72-999e-4176-a4b9-5ef5d81817d3/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e4241de9ab6aaee40e34a0aea220f2af2541cd79c1f3c4ee08672ad0bf05f65 [2022-12-13 11:10:21,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:10:21,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:10:21,082 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:10:21,083 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:10:21,084 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:10:21,085 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45c1f72-999e-4176-a4b9-5ef5d81817d3/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/goblint-regression/28-race_reach_78-equ_racing-overflow.i [2022-12-13 11:10:23,641 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:10:23,842 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:10:23,843 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45c1f72-999e-4176-a4b9-5ef5d81817d3/sv-benchmarks/c/goblint-regression/28-race_reach_78-equ_racing-overflow.i [2022-12-13 11:10:23,852 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45c1f72-999e-4176-a4b9-5ef5d81817d3/bin/uautomizer-uyxdKDjOR8/data/fc050ed3a/521fcedce1654b62aeafe2d46414d00f/FLAGc236a58f5 [2022-12-13 11:10:23,863 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45c1f72-999e-4176-a4b9-5ef5d81817d3/bin/uautomizer-uyxdKDjOR8/data/fc050ed3a/521fcedce1654b62aeafe2d46414d00f [2022-12-13 11:10:23,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:10:23,866 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 11:10:23,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:10:23,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:10:23,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:10:23,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:10:23" (1/1) ... [2022-12-13 11:10:23,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c85df65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:10:23, skipping insertion in model container [2022-12-13 11:10:23,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:10:23" (1/1) ... [2022-12-13 11:10:23,877 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:10:23,905 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:10:24,182 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45c1f72-999e-4176-a4b9-5ef5d81817d3/sv-benchmarks/c/goblint-regression/28-race_reach_78-equ_racing-overflow.i[47038,47051] [2022-12-13 11:10:24,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:10:24,208 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:10:24,231 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45c1f72-999e-4176-a4b9-5ef5d81817d3/sv-benchmarks/c/goblint-regression/28-race_reach_78-equ_racing-overflow.i[47038,47051] [2022-12-13 11:10:24,239 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:10:24,270 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:10:24,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:10:24 WrapperNode [2022-12-13 11:10:24,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:10:24,271 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:10:24,271 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:10:24,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:10:24,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:10:24" (1/1) ... [2022-12-13 11:10:24,289 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:10:24" (1/1) ... [2022-12-13 11:10:24,307 INFO L138 Inliner]: procedures = 271, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 214 [2022-12-13 11:10:24,307 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:10:24,308 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:10:24,308 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:10:24,308 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:10:24,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:10:24" (1/1) ... [2022-12-13 11:10:24,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:10:24" (1/1) ... [2022-12-13 11:10:24,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:10:24" (1/1) ... [2022-12-13 11:10:24,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:10:24" (1/1) ... [2022-12-13 11:10:24,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:10:24" (1/1) ... [2022-12-13 11:10:24,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:10:24" (1/1) ... [2022-12-13 11:10:24,327 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:10:24" (1/1) ... [2022-12-13 11:10:24,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:10:24" (1/1) ... [2022-12-13 11:10:24,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:10:24,331 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:10:24,331 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:10:24,332 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:10:24,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:10:24" (1/1) ... [2022-12-13 11:10:24,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:10:24,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45c1f72-999e-4176-a4b9-5ef5d81817d3/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:10:24,355 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45c1f72-999e-4176-a4b9-5ef5d81817d3/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 11:10:24,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45c1f72-999e-4176-a4b9-5ef5d81817d3/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 11:10:24,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 11:10:24,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 11:10:24,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 11:10:24,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 11:10:24,384 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 11:10:24,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 11:10:24,384 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 11:10:24,384 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 11:10:24,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 11:10:24,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:10:24,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:10:24,386 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 11:10:24,494 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 11:10:24,496 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:10:24,804 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 11:10:24,813 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:10:24,814 INFO L300 CfgBuilder]: Removed 22 assume(true) statements. [2022-12-13 11:10:24,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:10:24 BoogieIcfgContainer [2022-12-13 11:10:24,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:10:24,818 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 11:10:24,819 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 11:10:24,822 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 11:10:24,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 11:10:23" (1/3) ... [2022-12-13 11:10:24,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cd1b276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:10:24, skipping insertion in model container [2022-12-13 11:10:24,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:10:24" (2/3) ... [2022-12-13 11:10:24,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cd1b276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:10:24, skipping insertion in model container [2022-12-13 11:10:24,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:10:24" (3/3) ... [2022-12-13 11:10:24,825 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_78-equ_racing-overflow.i [2022-12-13 11:10:24,833 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 11:10:24,840 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 11:10:24,840 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-12-13 11:10:24,840 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 11:10:24,903 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-13 11:10:24,939 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 208 places, 233 transitions, 474 flow [2022-12-13 11:10:25,001 INFO L130 PetriNetUnfolder]: 42/312 cut-off events. [2022-12-13 11:10:25,002 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 11:10:25,006 INFO L83 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 1038 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. [2022-12-13 11:10:25,007 INFO L82 GeneralOperation]: Start removeDead. Operand has 208 places, 233 transitions, 474 flow [2022-12-13 11:10:25,011 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 206 places, 230 transitions, 468 flow [2022-12-13 11:10:25,014 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 11:10:25,021 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 206 places, 230 transitions, 468 flow [2022-12-13 11:10:25,023 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 206 places, 230 transitions, 468 flow [2022-12-13 11:10:25,023 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 206 places, 230 transitions, 468 flow [2022-12-13 11:10:25,057 INFO L130 PetriNetUnfolder]: 41/309 cut-off events. [2022-12-13 11:10:25,057 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 11:10:25,058 INFO L83 FinitePrefix]: Finished finitePrefix Result has 315 conditions, 309 events. 41/309 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1036 event pairs, 0 based on Foata normal form. 0/245 useless extension candidates. Maximal degree in co-relation 153. Up to 8 conditions per place. [2022-12-13 11:10:25,062 INFO L119 LiptonReduction]: Number of co-enabled transitions 11570 [2022-12-13 11:10:31,985 INFO L134 LiptonReduction]: Checked pairs total: 27165 [2022-12-13 11:10:31,985 INFO L136 LiptonReduction]: Total number of compositions: 220 [2022-12-13 11:10:31,998 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 11:10:32,003 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;@566ff8a3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 11:10:32,004 INFO L358 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2022-12-13 11:10:32,005 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 11:10:32,005 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 11:10:32,005 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:10:32,006 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 11:10:32,006 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2022-12-13 11:10:32,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:10:32,011 INFO L85 PathProgramCache]: Analyzing trace with hash 888, now seen corresponding path program 1 times [2022-12-13 11:10:32,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:10:32,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585863092] [2022-12-13 11:10:32,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:10:32,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:10:32,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:10:32,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:10:32,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:10:32,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585863092] [2022-12-13 11:10:32,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585863092] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:10:32,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:10:32,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 11:10:32,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751567875] [2022-12-13 11:10:32,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:10:32,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 11:10:32,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:10:32,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 11:10:32,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 11:10:32,120 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 453 [2022-12-13 11:10:32,122 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 81 transitions, 170 flow. Second operand has 2 states, 2 states have (on average 205.5) internal successors, (411), 2 states have internal predecessors, (411), 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) [2022-12-13 11:10:32,122 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:10:32,122 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 453 [2022-12-13 11:10:32,122 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:10:32,278 INFO L130 PetriNetUnfolder]: 500/1087 cut-off events. [2022-12-13 11:10:32,278 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 11:10:32,279 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2084 conditions, 1087 events. 500/1087 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 6262 event pairs, 456 based on Foata normal form. 187/925 useless extension candidates. Maximal degree in co-relation 2019. Up to 991 conditions per place. [2022-12-13 11:10:32,283 INFO L137 encePairwiseOnDemand]: 429/453 looper letters, 49 selfloop transitions, 0 changer transitions 0/57 dead transitions. [2022-12-13 11:10:32,283 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 57 transitions, 220 flow [2022-12-13 11:10:32,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 11:10:32,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 11:10:32,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 483 transitions. [2022-12-13 11:10:32,294 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5331125827814569 [2022-12-13 11:10:32,294 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 483 transitions. [2022-12-13 11:10:32,295 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 483 transitions. [2022-12-13 11:10:32,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:10:32,298 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 483 transitions. [2022-12-13 11:10:32,300 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 241.5) internal successors, (483), 2 states have internal predecessors, (483), 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) [2022-12-13 11:10:32,305 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 453.0) internal successors, (1359), 3 states have internal predecessors, (1359), 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) [2022-12-13 11:10:32,305 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 453.0) internal successors, (1359), 3 states have internal predecessors, (1359), 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) [2022-12-13 11:10:32,307 INFO L175 Difference]: Start difference. First operand has 61 places, 81 transitions, 170 flow. Second operand 2 states and 483 transitions. [2022-12-13 11:10:32,307 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 57 transitions, 220 flow [2022-12-13 11:10:32,310 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 57 transitions, 220 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 11:10:32,311 INFO L231 Difference]: Finished difference. Result has 59 places, 57 transitions, 122 flow [2022-12-13 11:10:32,313 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=453, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=122, PETRI_PLACES=59, PETRI_TRANSITIONS=57} [2022-12-13 11:10:32,316 INFO L288 CegarLoopForPetriNet]: 61 programPoint places, -2 predicate places. [2022-12-13 11:10:32,316 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 57 transitions, 122 flow [2022-12-13 11:10:32,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 205.5) internal successors, (411), 2 states have internal predecessors, (411), 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) [2022-12-13 11:10:32,317 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:10:32,317 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 11:10:32,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 11:10:32,317 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2022-12-13 11:10:32,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:10:32,318 INFO L85 PathProgramCache]: Analyzing trace with hash 892, now seen corresponding path program 1 times [2022-12-13 11:10:32,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:10:32,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931723866] [2022-12-13 11:10:32,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:10:32,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:10:32,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:10:32,358 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:10:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:10:32,391 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:10:32,391 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 11:10:32,393 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 21 remaining) [2022-12-13 11:10:32,394 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 21 remaining) [2022-12-13 11:10:32,395 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 21 remaining) [2022-12-13 11:10:32,395 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 21 remaining) [2022-12-13 11:10:32,395 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 21 remaining) [2022-12-13 11:10:32,395 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 21 remaining) [2022-12-13 11:10:32,396 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 21 remaining) [2022-12-13 11:10:32,396 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 21 remaining) [2022-12-13 11:10:32,396 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 21 remaining) [2022-12-13 11:10:32,396 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 21 remaining) [2022-12-13 11:10:32,396 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 21 remaining) [2022-12-13 11:10:32,397 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 21 remaining) [2022-12-13 11:10:32,397 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 21 remaining) [2022-12-13 11:10:32,397 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 21 remaining) [2022-12-13 11:10:32,397 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 21 remaining) [2022-12-13 11:10:32,397 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 21 remaining) [2022-12-13 11:10:32,398 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 21 remaining) [2022-12-13 11:10:32,398 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 21 remaining) [2022-12-13 11:10:32,398 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 21 remaining) [2022-12-13 11:10:32,398 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 21 remaining) [2022-12-13 11:10:32,398 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 21 remaining) [2022-12-13 11:10:32,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 11:10:32,399 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 11:10:32,404 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 11:10:32,404 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 11:10:32,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 11:10:32 BasicIcfg [2022-12-13 11:10:32,418 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 11:10:32,419 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 11:10:32,419 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 11:10:32,419 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 11:10:32,419 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:10:24" (3/4) ... [2022-12-13 11:10:32,420 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 11:10:32,446 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45c1f72-999e-4176-a4b9-5ef5d81817d3/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 11:10:32,446 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 11:10:32,447 INFO L158 Benchmark]: Toolchain (without parser) took 8580.05ms. Allocated memory was 144.7MB in the beginning and 176.2MB in the end (delta: 31.5MB). Free memory was 113.3MB in the beginning and 54.2MB in the end (delta: 59.1MB). Peak memory consumption was 91.9MB. Max. memory is 16.1GB. [2022-12-13 11:10:32,447 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory is still 56.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:10:32,448 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.52ms. Allocated memory is still 144.7MB. Free memory was 113.0MB in the beginning and 84.0MB in the end (delta: 29.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-12-13 11:10:32,448 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.01ms. Allocated memory is still 144.7MB. Free memory was 84.0MB in the beginning and 81.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:10:32,448 INFO L158 Benchmark]: Boogie Preprocessor took 23.08ms. Allocated memory is still 144.7MB. Free memory was 81.3MB in the beginning and 79.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:10:32,449 INFO L158 Benchmark]: RCFGBuilder took 484.83ms. Allocated memory is still 144.7MB. Free memory was 79.2MB in the beginning and 104.7MB in the end (delta: -25.5MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2022-12-13 11:10:32,449 INFO L158 Benchmark]: TraceAbstraction took 7599.94ms. Allocated memory was 144.7MB in the beginning and 176.2MB in the end (delta: 31.5MB). Free memory was 104.1MB in the beginning and 55.3MB in the end (delta: 48.8MB). Peak memory consumption was 81.4MB. Max. memory is 16.1GB. [2022-12-13 11:10:32,450 INFO L158 Benchmark]: Witness Printer took 27.38ms. Allocated memory is still 176.2MB. Free memory was 55.3MB in the beginning and 54.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:10:32,452 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 100.7MB. Free memory is still 56.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 403.52ms. Allocated memory is still 144.7MB. Free memory was 113.0MB in the beginning and 84.0MB in the end (delta: 29.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.01ms. Allocated memory is still 144.7MB. Free memory was 84.0MB in the beginning and 81.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.08ms. Allocated memory is still 144.7MB. Free memory was 81.3MB in the beginning and 79.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 484.83ms. Allocated memory is still 144.7MB. Free memory was 79.2MB in the beginning and 104.7MB in the end (delta: -25.5MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * TraceAbstraction took 7599.94ms. Allocated memory was 144.7MB in the beginning and 176.2MB in the end (delta: 31.5MB). Free memory was 104.1MB in the beginning and 55.3MB in the end (delta: 48.8MB). Peak memory consumption was 81.4MB. Max. memory is 16.1GB. * Witness Printer took 27.38ms. Allocated memory is still 176.2MB. Free memory was 55.3MB in the beginning and 54.2MB in the end (delta: 1.1MB). 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: 7.0s, 206 PlacesBefore, 61 PlacesAfterwards, 230 TransitionsBefore, 81 TransitionsAfterwards, 11570 CoEnabledTransitionPairs, 8 FixpointIterations, 88 TrivialSequentialCompositions, 105 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 18 ConcurrentYvCompositions, 4 ChoiceCompositions, 220 TotalNumberOfCompositions, 27165 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 11262, independent: 10780, independent conditional: 0, independent unconditional: 10780, dependent: 482, dependent conditional: 0, dependent unconditional: 482, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5911, independent: 5835, independent conditional: 0, independent unconditional: 5835, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11262, independent: 4945, independent conditional: 0, independent unconditional: 4945, dependent: 406, dependent conditional: 0, dependent unconditional: 406, unknown: 5911, unknown conditional: 0, unknown unconditional: 5911] , Statistics on independence cache: Total cache size (in pairs): 293, Positive cache size: 257, Positive conditional cache size: 0, Positive unconditional cache size: 257, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36, 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 [__global_lock={3:0}, A={4:0}, B={5:0}, 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: 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: 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. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49 IncrementalHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 49 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=170occurred 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: No data available, 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! [2022-12-13 11:10:32,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45c1f72-999e-4176-a4b9-5ef5d81817d3/bin/uautomizer-uyxdKDjOR8/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)