./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-atomic/time_var_mutex.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_d4cbb1e9-f90c-468f-98bd-6dae38c8fd33/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb1e9-f90c-468f-98bd-6dae38c8fd33/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_d4cbb1e9-f90c-468f-98bd-6dae38c8fd33/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb1e9-f90c-468f-98bd-6dae38c8fd33/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/time_var_mutex.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb1e9-f90c-468f-98bd-6dae38c8fd33/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_d4cbb1e9-f90c-468f-98bd-6dae38c8fd33/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 1985bb251db70a1c798d345be7e1671f9dcc6a359b969ca99d23e0003d9a3770 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:30:14,243 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:30:14,308 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb1e9-f90c-468f-98bd-6dae38c8fd33/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-29 06:30:14,313 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:30:14,314 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:30:14,338 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:30:14,339 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:30:14,339 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:30:14,340 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:30:14,341 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:30:14,341 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:30:14,342 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:30:14,342 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:30:14,343 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:30:14,343 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:30:14,344 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:30:14,344 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:30:14,345 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:30:14,345 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:30:14,346 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:30:14,347 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:30:14,347 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:30:14,348 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:30:14,348 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:30:14,349 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 06:30:14,349 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 06:30:14,349 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:30:14,350 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:30:14,350 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:30:14,351 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:30:14,351 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:30:14,351 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:30:14,352 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:30:14,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:30:14,352 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:30:14,352 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:30:14,353 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:30:14,353 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:30:14,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:30:14,353 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:30:14,353 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:30:14,354 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:30:14,354 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:30:14,354 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:30:14,354 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_d4cbb1e9-f90c-468f-98bd-6dae38c8fd33/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb1e9-f90c-468f-98bd-6dae38c8fd33/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1985bb251db70a1c798d345be7e1671f9dcc6a359b969ca99d23e0003d9a3770 [2023-11-29 06:30:14,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:30:14,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:30:14,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:30:14,609 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:30:14,609 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:30:14,610 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb1e9-f90c-468f-98bd-6dae38c8fd33/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/pthread-atomic/time_var_mutex.i [2023-11-29 06:30:17,362 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:30:17,614 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:30:17,615 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb1e9-f90c-468f-98bd-6dae38c8fd33/sv-benchmarks/c/pthread-atomic/time_var_mutex.i [2023-11-29 06:30:17,635 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb1e9-f90c-468f-98bd-6dae38c8fd33/bin/uautomizer-verify-BQ2R08f2Ya/data/d224a7ece/a128d211f39443cf9944cee3c3f09ce7/FLAGa8ab6219f [2023-11-29 06:30:17,648 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb1e9-f90c-468f-98bd-6dae38c8fd33/bin/uautomizer-verify-BQ2R08f2Ya/data/d224a7ece/a128d211f39443cf9944cee3c3f09ce7 [2023-11-29 06:30:17,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:30:17,652 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:30:17,654 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:30:17,654 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:30:17,661 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:30:17,661 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:30:17" (1/1) ... [2023-11-29 06:30:17,663 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@408edc01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:30:17, skipping insertion in model container [2023-11-29 06:30:17,663 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:30:17" (1/1) ... [2023-11-29 06:30:17,710 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:30:18,010 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:30:18,021 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:30:18,059 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:30:18,107 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:30:18,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:30:18 WrapperNode [2023-11-29 06:30:18,108 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:30:18,109 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:30:18,109 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:30:18,110 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:30:18,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:30:18" (1/1) ... [2023-11-29 06:30:18,146 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:30:18" (1/1) ... [2023-11-29 06:30:18,185 INFO L138 Inliner]: procedures = 170, calls = 39, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 105 [2023-11-29 06:30:18,186 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:30:18,187 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:30:18,187 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:30:18,187 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:30:18,199 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:30:18" (1/1) ... [2023-11-29 06:30:18,200 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:30:18" (1/1) ... [2023-11-29 06:30:18,216 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:30:18" (1/1) ... [2023-11-29 06:30:18,242 INFO L175 MemorySlicer]: Split 16 memory accesses to 5 slices as follows [2, 5, 5, 2, 2]. 31 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5, 0, 0]. The 2 writes are split as follows [0, 0, 0, 1, 1]. [2023-11-29 06:30:18,242 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:30:18" (1/1) ... [2023-11-29 06:30:18,243 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:30:18" (1/1) ... [2023-11-29 06:30:18,249 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:30:18" (1/1) ... [2023-11-29 06:30:18,251 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:30:18" (1/1) ... [2023-11-29 06:30:18,253 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:30:18" (1/1) ... [2023-11-29 06:30:18,255 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:30:18" (1/1) ... [2023-11-29 06:30:18,258 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:30:18,259 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:30:18,259 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:30:18,259 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:30:18,260 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:30:18" (1/1) ... [2023-11-29 06:30:18,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:30:18,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb1e9-f90c-468f-98bd-6dae38c8fd33/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:30:18,290 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb1e9-f90c-468f-98bd-6dae38c8fd33/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:30:18,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb1e9-f90c-468f-98bd-6dae38c8fd33/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:30:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2023-11-29 06:30:18,321 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2023-11-29 06:30:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 06:30:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 06:30:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 06:30:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 06:30:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 06:30:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2023-11-29 06:30:18,322 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2023-11-29 06:30:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 06:30:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 06:30:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 06:30:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 06:30:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 06:30:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-29 06:30:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:30:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 06:30:18,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 06:30:18,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 06:30:18,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 06:30:18,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 06:30:18,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 06:30:18,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 06:30:18,325 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-29 06:30:18,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:30:18,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:30:18,327 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 06:30:18,468 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:30:18,471 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:30:18,659 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:30:18,824 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:30:18,824 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 06:30:18,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:30:18 BoogieIcfgContainer [2023-11-29 06:30:18,825 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:30:18,860 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:30:18,860 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:30:18,863 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:30:18,863 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:30:17" (1/3) ... [2023-11-29 06:30:18,864 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e30ac6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:30:18, skipping insertion in model container [2023-11-29 06:30:18,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:30:18" (2/3) ... [2023-11-29 06:30:18,864 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e30ac6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:30:18, skipping insertion in model container [2023-11-29 06:30:18,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:30:18" (3/3) ... [2023-11-29 06:30:18,866 INFO L112 eAbstractionObserver]: Analyzing ICFG time_var_mutex.i [2023-11-29 06:30:18,872 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 06:30:18,880 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:30:18,880 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-29 06:30:18,904 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e30ac6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:30:18, skipping insertion in model container [2023-11-29 06:30:18,904 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 06:30:18,905 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:30:18,905 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:30:18,905 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:30:18,906 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:30:18" (3/3) ... [2023-11-29 06:30:18,908 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 06:30:18,911 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure allocator [2023-11-29 06:30:18,911 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure de_allocator [2023-11-29 06:30:18,916 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2023-11-29 06:30:18,916 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-29 06:30:18,916 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-29 06:30:18,917 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 06:30:18,992 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb1e9-f90c-468f-98bd-6dae38c8fd33/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 06:30:18,993 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb1e9-f90c-468f-98bd-6dae38c8fd33/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 06:30:18,993 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:30:18,995 INFO L158 Benchmark]: Toolchain (without parser) took 1341.76ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 112.6MB in the beginning and 156.3MB in the end (delta: -43.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:30:18,995 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 155.2MB. Free memory is still 124.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:30:18,996 INFO L158 Benchmark]: CACSL2BoogieTranslator took 454.26ms. Allocated memory is still 155.2MB. Free memory was 112.4MB in the beginning and 92.7MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 06:30:18,996 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.78ms. Allocated memory is still 155.2MB. Free memory was 92.7MB in the beginning and 90.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:30:18,997 INFO L158 Benchmark]: Boogie Preprocessor took 71.41ms. Allocated memory is still 155.2MB. Free memory was 90.4MB in the beginning and 88.0MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 06:30:18,998 INFO L158 Benchmark]: RCFGBuilder took 566.49ms. Allocated memory is still 155.2MB. Free memory was 88.0MB in the beginning and 53.2MB in the end (delta: 34.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-29 06:30:18,998 INFO L158 Benchmark]: TraceAbstraction took 44.52ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 121.4MB in the beginning and 160.4MB in the end (delta: -39.0MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2023-11-29 06:30:18,999 INFO L158 Benchmark]: Witness Printer took 88.30ms. Allocated memory is still 192.9MB. Free memory was 160.4MB in the beginning and 156.3MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 06:30:19,002 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 155.2MB. Free memory is still 124.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 454.26ms. Allocated memory is still 155.2MB. Free memory was 112.4MB in the beginning and 92.7MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.78ms. Allocated memory is still 155.2MB. Free memory was 92.7MB in the beginning and 90.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.41ms. Allocated memory is still 155.2MB. Free memory was 90.4MB in the beginning and 88.0MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 566.49ms. Allocated memory is still 155.2MB. Free memory was 88.0MB in the beginning and 53.2MB in the end (delta: 34.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 44.52ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 121.4MB in the beginning and 160.4MB in the end (delta: -39.0MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * Witness Printer took 88.30ms. Allocated memory is still 192.9MB. Free memory was 160.4MB in the beginning and 156.3MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. 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 06:30:19,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cbb1e9-f90c-468f-98bd-6dae38c8fd33/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