./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/01b_inc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a 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_415a5762-3dcc-4a7d-949c-3e6ea40af9d9/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415a5762-3dcc-4a7d-949c-3e6ea40af9d9/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415a5762-3dcc-4a7d-949c-3e6ea40af9d9/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415a5762-3dcc-4a7d-949c-3e6ea40af9d9/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/01b_inc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415a5762-3dcc-4a7d-949c-3e6ea40af9d9/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415a5762-3dcc-4a7d-949c-3e6ea40af9d9/bin/uautomizer-ZsLfNo2U6R --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 a50cd99e32ae608752174b749acce795b64973c8c13edb78d7146b3ab3630fc9 --- 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-38b53e6 [2022-11-25 17:36:10,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:36:10,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:36:10,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:36:10,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:36:10,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:36:10,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:36:10,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:36:10,229 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:36:10,230 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:36:10,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:36:10,233 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:36:10,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:36:10,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:36:10,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:36:10,238 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:36:10,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:36:10,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:36:10,242 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:36:10,244 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:36:10,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:36:10,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:36:10,249 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:36:10,251 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:36:10,255 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:36:10,256 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:36:10,256 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:36:10,257 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:36:10,258 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:36:10,259 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:36:10,260 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:36:10,261 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:36:10,262 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:36:10,263 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:36:10,264 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:36:10,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:36:10,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:36:10,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:36:10,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:36:10,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:36:10,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:36:10,270 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415a5762-3dcc-4a7d-949c-3e6ea40af9d9/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-25 17:36:10,297 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:36:10,298 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:36:10,298 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:36:10,299 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:36:10,300 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:36:10,300 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:36:10,301 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:36:10,301 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:36:10,302 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:36:10,302 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:36:10,303 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 17:36:10,303 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:36:10,304 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:36:10,304 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 17:36:10,304 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:36:10,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:36:10,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:36:10,306 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:36:10,306 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 17:36:10,306 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 17:36:10,307 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:36:10,307 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:36:10,307 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:36:10,308 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:36:10,308 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:36:10,309 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:36:10,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:36:10,309 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:36:10,310 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:36:10,310 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:36:10,310 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:36:10,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:36:10,311 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:36:10,311 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:36:10,312 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:36:10,312 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:36:10,312 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_415a5762-3dcc-4a7d-949c-3e6ea40af9d9/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415a5762-3dcc-4a7d-949c-3e6ea40af9d9/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a50cd99e32ae608752174b749acce795b64973c8c13edb78d7146b3ab3630fc9 [2022-11-25 17:36:10,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:36:10,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:36:10,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:36:10,686 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:36:10,691 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:36:10,692 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415a5762-3dcc-4a7d-949c-3e6ea40af9d9/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/pthread-ext/01b_inc.i [2022-11-25 17:36:14,061 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:36:14,390 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:36:14,399 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415a5762-3dcc-4a7d-949c-3e6ea40af9d9/sv-benchmarks/c/pthread-ext/01b_inc.i [2022-11-25 17:36:14,422 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415a5762-3dcc-4a7d-949c-3e6ea40af9d9/bin/uautomizer-ZsLfNo2U6R/data/dbf7ecd02/97be22e27868424188bdb94ae5f337fc/FLAGe9afc1f35 [2022-11-25 17:36:14,447 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415a5762-3dcc-4a7d-949c-3e6ea40af9d9/bin/uautomizer-ZsLfNo2U6R/data/dbf7ecd02/97be22e27868424188bdb94ae5f337fc [2022-11-25 17:36:14,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:36:14,457 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:36:14,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:36:14,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:36:14,467 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:36:14,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:36:14" (1/1) ... [2022-11-25 17:36:14,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e7a19c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:36:14, skipping insertion in model container [2022-11-25 17:36:14,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:36:14" (1/1) ... [2022-11-25 17:36:14,480 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:36:14,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:36:14,828 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:36:15,007 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:36:15,010 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:36:15,010 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:36:15,012 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_415a5762-3dcc-4a7d-949c-3e6ea40af9d9/sv-benchmarks/c/pthread-ext/01b_inc.i[31005,31018] [2022-11-25 17:36:15,013 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:36:15,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:36:15,035 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:36:15,066 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:36:15,112 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:36:15,113 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:36:15,113 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:36:15,120 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_415a5762-3dcc-4a7d-949c-3e6ea40af9d9/sv-benchmarks/c/pthread-ext/01b_inc.i[31005,31018] [2022-11-25 17:36:15,121 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:36:15,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:36:15,163 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:36:15,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:36:15 WrapperNode [2022-11-25 17:36:15,164 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:36:15,165 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:36:15,166 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:36:15,166 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:36:15,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:36:15" (1/1) ... [2022-11-25 17:36:15,190 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:36:15" (1/1) ... [2022-11-25 17:36:15,215 INFO L138 Inliner]: procedures = 173, calls = 20, calls flagged for inlining = 7, calls inlined = 8, statements flattened = 62 [2022-11-25 17:36:15,216 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:36:15,216 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:36:15,217 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:36:15,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:36:15,227 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:36:15" (1/1) ... [2022-11-25 17:36:15,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:36:15" (1/1) ... [2022-11-25 17:36:15,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:36:15" (1/1) ... [2022-11-25 17:36:15,231 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:36:15" (1/1) ... [2022-11-25 17:36:15,236 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:36:15" (1/1) ... [2022-11-25 17:36:15,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:36:15" (1/1) ... [2022-11-25 17:36:15,242 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:36:15" (1/1) ... [2022-11-25 17:36:15,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:36:15" (1/1) ... [2022-11-25 17:36:15,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:36:15,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:36:15,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:36:15,247 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:36:15,248 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:36:15" (1/1) ... [2022-11-25 17:36:15,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:36:15,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415a5762-3dcc-4a7d-949c-3e6ea40af9d9/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:36:15,291 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415a5762-3dcc-4a7d-949c-3e6ea40af9d9/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:36:15,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415a5762-3dcc-4a7d-949c-3e6ea40af9d9/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:36:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-25 17:36:15,348 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-25 17:36:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 17:36:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-25 17:36:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:36:15,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:36:15,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:36:15,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:36:15,349 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-25 17:36:15,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:36:15,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:36:15,351 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 17:36:15,536 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:36:15,538 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:36:15,696 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:36:15,813 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:36:15,814 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 17:36:15,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:36:15 BoogieIcfgContainer [2022-11-25 17:36:15,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:36:15,833 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:36:15,833 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:36:15,837 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:36:15,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:36:14" (1/3) ... [2022-11-25 17:36:15,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4058327a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:36:15, skipping insertion in model container [2022-11-25 17:36:15,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:36:15" (2/3) ... [2022-11-25 17:36:15,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4058327a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:36:15, skipping insertion in model container [2022-11-25 17:36:15,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:36:15" (3/3) ... [2022-11-25 17:36:15,840 INFO L112 eAbstractionObserver]: Analyzing ICFG 01b_inc.i [2022-11-25 17:36:15,875 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 17:36:15,887 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:36:15,887 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-25 17:36:15,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4058327a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:36:15, skipping insertion in model container [2022-11-25 17:36:15,889 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:36:15,890 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:36:15,890 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:36:15,890 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:36:15,891 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:36:15" (3/3) ... [2022-11-25 17:36:15,895 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 17:36:15,901 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2022-11-25 17:36:15,905 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-25 17:36:15,905 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-25 17:36:15,906 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-25 17:36:15,906 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 17:36:15,940 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415a5762-3dcc-4a7d-949c-3e6ea40af9d9/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 17:36:15,940 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:36:15,942 INFO L158 Benchmark]: Toolchain (without parser) took 1484.51ms. Allocated memory is still 163.6MB. Free memory was 118.8MB in the beginning and 117.7MB in the end (delta: 1.1MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2022-11-25 17:36:15,943 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 115.3MB. Free memory is still 90.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:36:15,944 INFO L158 Benchmark]: CACSL2BoogieTranslator took 701.99ms. Allocated memory is still 163.6MB. Free memory was 118.4MB in the beginning and 98.7MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 17:36:15,944 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.28ms. Allocated memory is still 163.6MB. Free memory was 98.7MB in the beginning and 97.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:36:15,945 INFO L158 Benchmark]: Boogie Preprocessor took 29.91ms. Allocated memory is still 163.6MB. Free memory was 97.0MB in the beginning and 95.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:36:15,946 INFO L158 Benchmark]: RCFGBuilder took 569.61ms. Allocated memory is still 163.6MB. Free memory was 95.3MB in the beginning and 122.5MB in the end (delta: -27.2MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2022-11-25 17:36:15,947 INFO L158 Benchmark]: TraceAbstraction took 56.02ms. Allocated memory is still 163.6MB. Free memory was 121.9MB in the beginning and 119.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:36:15,947 INFO L158 Benchmark]: Witness Printer took 50.42ms. Allocated memory is still 163.6MB. Free memory was 119.8MB in the beginning and 117.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:36:15,951 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 115.3MB. Free memory is still 90.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 701.99ms. Allocated memory is still 163.6MB. Free memory was 118.4MB in the beginning and 98.7MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.28ms. Allocated memory is still 163.6MB. Free memory was 98.7MB in the beginning and 97.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.91ms. Allocated memory is still 163.6MB. Free memory was 97.0MB in the beginning and 95.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 569.61ms. Allocated memory is still 163.6MB. Free memory was 95.3MB in the beginning and 122.5MB in the end (delta: -27.2MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * TraceAbstraction took 56.02ms. Allocated memory is still 163.6MB. Free memory was 121.9MB in the beginning and 119.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 50.42ms. Allocated memory is still 163.6MB. Free memory was 119.8MB in the beginning and 117.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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! [2022-11-25 17:36:15,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415a5762-3dcc-4a7d-949c-3e6ea40af9d9/bin/uautomizer-ZsLfNo2U6R/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 Result: TRUE