./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/bench-exp2x3.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_47655afc-b754-4909-86f9-d54b7cc90fc1/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47655afc-b754-4909-86f9-d54b7cc90fc1/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_47655afc-b754-4909-86f9-d54b7cc90fc1/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47655afc-b754-4909-86f9-d54b7cc90fc1/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/bench-exp2x3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47655afc-b754-4909-86f9-d54b7cc90fc1/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_47655afc-b754-4909-86f9-d54b7cc90fc1/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 f25d9c7e70f7f3d19e85c7cfc6427443102f5451f704dd6a19dd9a78d021a612 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:16:27,691 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:16:27,752 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47655afc-b754-4909-86f9-d54b7cc90fc1/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-29 05:16:27,757 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:16:27,757 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:16:27,782 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:16:27,782 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:16:27,783 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:16:27,783 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:16:27,784 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:16:27,784 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:16:27,785 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:16:27,786 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:16:27,786 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:16:27,787 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:16:27,787 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:16:27,788 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:16:27,788 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:16:27,789 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:16:27,789 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:16:27,790 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:16:27,791 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:16:27,791 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:16:27,791 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:16:27,792 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 05:16:27,792 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 05:16:27,793 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:16:27,793 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:16:27,794 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:16:27,794 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:16:27,794 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:16:27,795 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:16:27,795 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:16:27,795 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:16:27,796 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:16:27,796 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:16:27,796 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:16:27,796 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:16:27,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 05:16:27,796 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:16:27,797 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:16:27,797 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:16:27,797 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:16:27,797 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:16:27,797 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_47655afc-b754-4909-86f9-d54b7cc90fc1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47655afc-b754-4909-86f9-d54b7cc90fc1/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f25d9c7e70f7f3d19e85c7cfc6427443102f5451f704dd6a19dd9a78d021a612 [2023-11-29 05:16:27,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:16:28,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:16:28,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:16:28,020 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:16:28,021 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:16:28,022 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47655afc-b754-4909-86f9-d54b7cc90fc1/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/bench-exp2x3.wvr.c [2023-11-29 05:16:30,787 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:16:30,957 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:16:30,957 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47655afc-b754-4909-86f9-d54b7cc90fc1/sv-benchmarks/c/weaver/bench-exp2x3.wvr.c [2023-11-29 05:16:30,963 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47655afc-b754-4909-86f9-d54b7cc90fc1/bin/uautomizer-verify-BQ2R08f2Ya/data/ceff0070e/7cdd3dd21a0a4e6a83cf9e41b0bf0e22/FLAG99ae0fb45 [2023-11-29 05:16:30,974 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47655afc-b754-4909-86f9-d54b7cc90fc1/bin/uautomizer-verify-BQ2R08f2Ya/data/ceff0070e/7cdd3dd21a0a4e6a83cf9e41b0bf0e22 [2023-11-29 05:16:30,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:16:30,977 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:16:30,978 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:16:30,979 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:16:30,983 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:16:30,983 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:16:30" (1/1) ... [2023-11-29 05:16:30,984 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9d6113a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:16:30, skipping insertion in model container [2023-11-29 05:16:30,985 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:16:30" (1/1) ... [2023-11-29 05:16:31,008 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:16:31,175 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:16:31,185 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:16:31,208 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:16:31,222 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:16:31,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:16:31 WrapperNode [2023-11-29 05:16:31,223 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:16:31,223 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:16:31,224 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:16:31,224 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:16:31,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:16:31" (1/1) ... [2023-11-29 05:16:31,238 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:16:31" (1/1) ... [2023-11-29 05:16:31,257 INFO L138 Inliner]: procedures = 20, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 97 [2023-11-29 05:16:31,257 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:16:31,258 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:16:31,258 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:16:31,258 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:16:31,267 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:16:31" (1/1) ... [2023-11-29 05:16:31,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:16:31" (1/1) ... [2023-11-29 05:16:31,271 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:16:31" (1/1) ... [2023-11-29 05:16:31,292 INFO L175 MemorySlicer]: Split 10 memory accesses to 5 slices as follows [2, 2, 2, 2, 2]. 20 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 4 writes are split as follows [0, 1, 1, 1, 1]. [2023-11-29 05:16:31,292 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:16:31" (1/1) ... [2023-11-29 05:16:31,292 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:16:31" (1/1) ... [2023-11-29 05:16:31,299 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:16:31" (1/1) ... [2023-11-29 05:16:31,303 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:16:31" (1/1) ... [2023-11-29 05:16:31,305 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:16:31" (1/1) ... [2023-11-29 05:16:31,307 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:16:31" (1/1) ... [2023-11-29 05:16:31,310 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:16:31,311 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:16:31,312 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:16:31,312 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:16:31,312 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:16:31" (1/1) ... [2023-11-29 05:16:31,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:16:31,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47655afc-b754-4909-86f9-d54b7cc90fc1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:16:31,340 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47655afc-b754-4909-86f9-d54b7cc90fc1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:16:31,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47655afc-b754-4909-86f9-d54b7cc90fc1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:16:31,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:16:31,365 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 05:16:31,365 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 05:16:31,365 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 05:16:31,365 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 05:16:31,365 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-29 05:16:31,365 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-29 05:16:31,365 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-29 05:16:31,365 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-29 05:16:31,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 05:16:31,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 05:16:31,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 05:16:31,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 05:16:31,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 05:16:31,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 05:16:31,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 05:16:31,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 05:16:31,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 05:16:31,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 05:16:31,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 05:16:31,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:16:31,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:16:31,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 05:16:31,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 05:16:31,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 05:16:31,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 05:16:31,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 05:16:31,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 05:16:31,370 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 05:16:31,471 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:16:31,472 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:16:31,669 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:16:31,869 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:16:31,869 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-29 05:16:31,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:16:31 BoogieIcfgContainer [2023-11-29 05:16:31,870 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:16:31,872 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:16:31,872 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:16:31,874 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:16:31,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:16:30" (1/3) ... [2023-11-29 05:16:31,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4057bba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:16:31, skipping insertion in model container [2023-11-29 05:16:31,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:16:31" (2/3) ... [2023-11-29 05:16:31,876 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4057bba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:16:31, skipping insertion in model container [2023-11-29 05:16:31,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:16:31" (3/3) ... [2023-11-29 05:16:31,877 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp2x3.wvr.c [2023-11-29 05:16:31,884 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 05:16:31,891 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:16:31,892 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-29 05:16:31,893 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4057bba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 05:16:31, skipping insertion in model container [2023-11-29 05:16:31,893 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 05:16:31,894 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:16:31,894 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:16:31,894 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:16:31,895 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:16:31" (3/3) ... [2023-11-29 05:16:31,896 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 05:16:31,899 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-29 05:16:31,900 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-29 05:16:31,900 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-29 05:16:31,900 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2023-11-29 05:16:31,906 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 80 nodes and edges [2023-11-29 05:16:31,906 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-29 05:16:31,906 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-29 05:16:31,907 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-29 05:16:31,986 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47655afc-b754-4909-86f9-d54b7cc90fc1/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 05:16:31,986 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47655afc-b754-4909-86f9-d54b7cc90fc1/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 05:16:31,986 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:16:31,988 INFO L158 Benchmark]: Toolchain (without parser) took 1009.77ms. Allocated memory is still 178.3MB. Free memory was 144.0MB in the beginning and 134.6MB in the end (delta: 9.4MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2023-11-29 05:16:31,988 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 117.4MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:16:31,989 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.45ms. Allocated memory is still 178.3MB. Free memory was 144.0MB in the beginning and 132.5MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 05:16:31,989 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.79ms. Allocated memory is still 178.3MB. Free memory was 132.5MB in the beginning and 130.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:16:31,990 INFO L158 Benchmark]: Boogie Preprocessor took 52.85ms. Allocated memory is still 178.3MB. Free memory was 130.9MB in the beginning and 128.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:16:31,990 INFO L158 Benchmark]: RCFGBuilder took 558.39ms. Allocated memory is still 178.3MB. Free memory was 128.3MB in the beginning and 143.0MB in the end (delta: -14.7MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2023-11-29 05:16:31,991 INFO L158 Benchmark]: TraceAbstraction took 21.08ms. Allocated memory is still 178.3MB. Free memory was 142.6MB in the beginning and 140.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:16:31,991 INFO L158 Benchmark]: Witness Printer took 92.72ms. Allocated memory is still 178.3MB. Free memory was 140.5MB in the beginning and 134.6MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 05:16:31,994 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 117.4MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.45ms. Allocated memory is still 178.3MB. Free memory was 144.0MB in the beginning and 132.5MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.79ms. Allocated memory is still 178.3MB. Free memory was 132.5MB in the beginning and 130.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.85ms. Allocated memory is still 178.3MB. Free memory was 130.9MB in the beginning and 128.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 558.39ms. Allocated memory is still 178.3MB. Free memory was 128.3MB in the beginning and 143.0MB in the end (delta: -14.7MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. * TraceAbstraction took 21.08ms. Allocated memory is still 178.3MB. Free memory was 142.6MB in the beginning and 140.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 92.72ms. Allocated memory is still 178.3MB. Free memory was 140.5MB in the beginning and 134.6MB in the end (delta: 5.9MB). 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 05:16:32,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47655afc-b754-4909-86f9-d54b7cc90fc1/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