./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a8af03-c99b-4b8c-9f11-1b2a3cf8794f/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a8af03-c99b-4b8c-9f11-1b2a3cf8794f/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a8af03-c99b-4b8c-9f11-1b2a3cf8794f/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a8af03-c99b-4b8c-9f11-1b2a3cf8794f/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a8af03-c99b-4b8c-9f11-1b2a3cf8794f/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a8af03-c99b-4b8c-9f11-1b2a3cf8794f/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --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 7cfd33ca5f647adf12592c5e71401ab9da35a49d8f2ec6d0757ea2cc237974cc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:59:16,004 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:59:16,073 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a8af03-c99b-4b8c-9f11-1b2a3cf8794f/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-29 01:59:16,078 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:59:16,078 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:59:16,105 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:59:16,106 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:59:16,106 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:59:16,107 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 01:59:16,108 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 01:59:16,108 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 01:59:16,109 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 01:59:16,109 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:59:16,110 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:59:16,110 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:59:16,111 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:59:16,112 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 01:59:16,112 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 01:59:16,113 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 01:59:16,113 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 01:59:16,114 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:59:16,115 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 01:59:16,115 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 01:59:16,115 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 01:59:16,116 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 01:59:16,116 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 01:59:16,117 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 01:59:16,117 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:59:16,118 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:59:16,118 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:59:16,119 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:59:16,119 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 01:59:16,120 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 01:59:16,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:59:16,120 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:59:16,121 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 01:59:16,121 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 01:59:16,121 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 01:59:16,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 01:59:16,122 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 01:59:16,122 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 01:59:16,122 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 01:59:16,122 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 01:59:16,123 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 01:59:16,123 INFO L153 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_b0a8af03-c99b-4b8c-9f11-1b2a3cf8794f/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a8af03-c99b-4b8c-9f11-1b2a3cf8794f/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7cfd33ca5f647adf12592c5e71401ab9da35a49d8f2ec6d0757ea2cc237974cc [2023-11-29 01:59:16,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:59:16,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:59:16,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:59:16,394 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:59:16,395 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:59:16,396 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a8af03-c99b-4b8c-9f11-1b2a3cf8794f/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c [2023-11-29 01:59:19,228 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:59:19,436 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:59:19,436 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a8af03-c99b-4b8c-9f11-1b2a3cf8794f/sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c [2023-11-29 01:59:19,447 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a8af03-c99b-4b8c-9f11-1b2a3cf8794f/bin/uautomizer-verify-BQ2R08f2Ya/data/a21ea573e/47db2b0e6e384479bed748dd769f97f5/FLAGfeb170ff3 [2023-11-29 01:59:19,465 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a8af03-c99b-4b8c-9f11-1b2a3cf8794f/bin/uautomizer-verify-BQ2R08f2Ya/data/a21ea573e/47db2b0e6e384479bed748dd769f97f5 [2023-11-29 01:59:19,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:59:19,471 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:59:19,472 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:59:19,472 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:59:19,479 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:59:19,480 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:59:19" (1/1) ... [2023-11-29 01:59:19,481 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@86b5c3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:59:19, skipping insertion in model container [2023-11-29 01:59:19,481 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:59:19" (1/1) ... [2023-11-29 01:59:19,512 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:59:19,718 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:59:19,731 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:59:19,756 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:59:19,774 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:59:19,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:59:19 WrapperNode [2023-11-29 01:59:19,775 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:59:19,777 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:59:19,777 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:59:19,777 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:59:19,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:59:19" (1/1) ... [2023-11-29 01:59:19,797 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:59:19" (1/1) ... [2023-11-29 01:59:19,822 INFO L138 Inliner]: procedures = 22, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2023-11-29 01:59:19,822 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:59:19,823 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:59:19,823 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:59:19,824 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:59:19,838 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:59:19" (1/1) ... [2023-11-29 01:59:19,838 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:59:19" (1/1) ... [2023-11-29 01:59:19,841 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:59:19" (1/1) ... [2023-11-29 01:59:19,860 INFO L175 MemorySlicer]: Split 8 memory accesses to 4 slices as follows [2, 2, 2, 2]. 25 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2023-11-29 01:59:19,860 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:59:19" (1/1) ... [2023-11-29 01:59:19,861 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:59:19" (1/1) ... [2023-11-29 01:59:19,867 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:59:19" (1/1) ... [2023-11-29 01:59:19,871 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:59:19" (1/1) ... [2023-11-29 01:59:19,873 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:59:19" (1/1) ... [2023-11-29 01:59:19,875 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:59:19" (1/1) ... [2023-11-29 01:59:19,878 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:59:19,879 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:59:19,879 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:59:19,879 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:59:19,880 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:59:19" (1/1) ... [2023-11-29 01:59:19,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:59:19,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a8af03-c99b-4b8c-9f11-1b2a3cf8794f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:59:19,916 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a8af03-c99b-4b8c-9f11-1b2a3cf8794f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 01:59:19,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a8af03-c99b-4b8c-9f11-1b2a3cf8794f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 01:59:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 01:59:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 01:59:19,958 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 01:59:19,959 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 01:59:19,959 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 01:59:19,959 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-29 01:59:19,959 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-29 01:59:19,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 01:59:19,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 01:59:19,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 01:59:19,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 01:59:19,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 01:59:19,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 01:59:19,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 01:59:19,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 01:59:19,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 01:59:19,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:59:19,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:59:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 01:59:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 01:59:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 01:59:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 01:59:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 01:59:19,965 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 01:59:20,094 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:59:20,096 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:59:20,306 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:59:20,501 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:59:20,501 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-29 01:59:20,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:59:20 BoogieIcfgContainer [2023-11-29 01:59:20,502 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:59:20,505 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 01:59:20,506 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 01:59:20,509 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 01:59:20,509 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:59:19" (1/3) ... [2023-11-29 01:59:20,510 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@682ba2b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:59:20, skipping insertion in model container [2023-11-29 01:59:20,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:59:19" (2/3) ... [2023-11-29 01:59:20,511 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@682ba2b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:59:20, skipping insertion in model container [2023-11-29 01:59:20,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:59:20" (3/3) ... [2023-11-29 01:59:20,512 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-flipped-dist.wvr.c [2023-11-29 01:59:20,521 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 01:59:20,533 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 01:59:20,533 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-29 01:59:20,535 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@682ba2b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 01:59:20, skipping insertion in model container [2023-11-29 01:59:20,535 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 01:59:20,536 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 01:59:20,536 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 01:59:20,536 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 01:59:20,537 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:59:20" (3/3) ... [2023-11-29 01:59:20,539 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 01:59:20,543 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-29 01:59:20,543 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-29 01:59:20,544 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-29 01:59:20,549 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2023-11-29 01:59:20,549 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-29 01:59:20,550 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-29 01:59:20,550 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-29 01:59:20,641 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a8af03-c99b-4b8c-9f11-1b2a3cf8794f/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 01:59:20,642 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a8af03-c99b-4b8c-9f11-1b2a3cf8794f/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 01:59:20,642 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 01:59:20,644 INFO L158 Benchmark]: Toolchain (without parser) took 1172.43ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 91.2MB in the beginning and 123.2MB in the end (delta: -32.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:59:20,644 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 136.3MB. Free memory is still 109.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:59:20,645 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.55ms. Allocated memory is still 136.3MB. Free memory was 91.2MB in the beginning and 80.2MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 01:59:20,645 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.07ms. Allocated memory is still 136.3MB. Free memory was 79.7MB in the beginning and 78.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:59:20,646 INFO L158 Benchmark]: Boogie Preprocessor took 54.78ms. Allocated memory is still 136.3MB. Free memory was 78.0MB in the beginning and 76.0MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 01:59:20,646 INFO L158 Benchmark]: RCFGBuilder took 623.59ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 76.0MB in the beginning and 130.5MB in the end (delta: -54.4MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2023-11-29 01:59:20,647 INFO L158 Benchmark]: TraceAbstraction took 29.68ms. Allocated memory is still 163.6MB. Free memory was 130.5MB in the beginning and 128.3MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:59:20,647 INFO L158 Benchmark]: Witness Printer took 106.08ms. Allocated memory is still 163.6MB. Free memory was 128.3MB in the beginning and 123.2MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 01:59:20,651 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 136.3MB. Free memory is still 109.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.55ms. Allocated memory is still 136.3MB. Free memory was 91.2MB in the beginning and 80.2MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.07ms. Allocated memory is still 136.3MB. Free memory was 79.7MB in the beginning and 78.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 54.78ms. Allocated memory is still 136.3MB. Free memory was 78.0MB in the beginning and 76.0MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 623.59ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 76.0MB in the beginning and 130.5MB in the end (delta: -54.4MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. * TraceAbstraction took 29.68ms. Allocated memory is still 163.6MB. Free memory was 130.5MB in the beginning and 128.3MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 106.08ms. Allocated memory is still 163.6MB. Free memory was 128.3MB in the beginning and 123.2MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2023-11-29 01:59:20,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a8af03-c99b-4b8c-9f11-1b2a3cf8794f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE