./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f 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_30d1bc19-e8ef-48a5-a417-aa035f3e6f3a/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d1bc19-e8ef-48a5-a417-aa035f3e6f3a/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d1bc19-e8ef-48a5-a417-aa035f3e6f3a/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d1bc19-e8ef-48a5-a417-aa035f3e6f3a/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d1bc19-e8ef-48a5-a417-aa035f3e6f3a/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d1bc19-e8ef-48a5-a417-aa035f3e6f3a/bin/utaipan-Xvt2sAort0 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4aba0d481dbad425b1cb3ce4949768f5bfa91a070fed6a0c2b192c70ad920fc2 --- 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-e04fb08 [2022-11-16 15:54:26,201 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 15:54:26,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 15:54:26,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 15:54:26,243 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 15:54:26,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 15:54:26,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 15:54:26,247 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 15:54:26,253 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 15:54:26,254 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 15:54:26,254 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 15:54:26,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 15:54:26,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 15:54:26,257 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 15:54:26,258 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 15:54:26,259 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 15:54:26,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 15:54:26,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 15:54:26,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 15:54:26,274 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 15:54:26,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 15:54:26,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 15:54:26,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 15:54:26,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 15:54:26,290 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 15:54:26,290 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 15:54:26,290 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 15:54:26,291 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 15:54:26,292 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 15:54:26,292 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 15:54:26,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 15:54:26,293 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 15:54:26,294 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 15:54:26,303 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 15:54:26,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 15:54:26,304 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 15:54:26,305 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 15:54:26,305 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 15:54:26,305 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 15:54:26,306 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 15:54:26,307 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 15:54:26,307 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d1bc19-e8ef-48a5-a417-aa035f3e6f3a/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-16 15:54:26,351 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 15:54:26,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 15:54:26,353 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 15:54:26,353 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 15:54:26,354 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 15:54:26,354 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 15:54:26,354 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 15:54:26,354 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 15:54:26,355 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 15:54:26,355 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 15:54:26,356 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 15:54:26,356 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 15:54:26,356 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 15:54:26,356 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 15:54:26,357 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 15:54:26,357 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 15:54:26,357 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 15:54:26,357 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 15:54:26,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 15:54:26,358 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 15:54:26,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 15:54:26,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 15:54:26,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 15:54:26,359 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 15:54:26,359 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 15:54:26,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 15:54:26,360 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 15:54:26,361 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 15:54:26,362 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 15:54:26,362 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 15:54:26,362 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 15:54:26,362 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 15:54:26,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 15:54:26,363 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 15:54:26,363 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 15:54:26,363 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 15:54:26,363 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 15:54:26,364 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 15:54:26,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 15:54:26,364 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 15:54:26,364 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 15:54:26,364 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_30d1bc19-e8ef-48a5-a417-aa035f3e6f3a/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d1bc19-e8ef-48a5-a417-aa035f3e6f3a/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4aba0d481dbad425b1cb3ce4949768f5bfa91a070fed6a0c2b192c70ad920fc2 [2022-11-16 15:54:26,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 15:54:26,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 15:54:26,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 15:54:26,731 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 15:54:26,732 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 15:54:26,733 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d1bc19-e8ef-48a5-a417-aa035f3e6f3a/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i [2022-11-16 15:54:26,804 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d1bc19-e8ef-48a5-a417-aa035f3e6f3a/bin/utaipan-Xvt2sAort0/data/a7dd7ab79/b348b8fe0130452c807024c3be1844a0/FLAG848f81a1b [2022-11-16 15:54:27,523 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 15:54:27,524 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d1bc19-e8ef-48a5-a417-aa035f3e6f3a/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i [2022-11-16 15:54:27,548 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d1bc19-e8ef-48a5-a417-aa035f3e6f3a/bin/utaipan-Xvt2sAort0/data/a7dd7ab79/b348b8fe0130452c807024c3be1844a0/FLAG848f81a1b [2022-11-16 15:54:27,688 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d1bc19-e8ef-48a5-a417-aa035f3e6f3a/bin/utaipan-Xvt2sAort0/data/a7dd7ab79/b348b8fe0130452c807024c3be1844a0 [2022-11-16 15:54:27,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 15:54:27,694 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 15:54:27,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 15:54:27,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 15:54:27,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 15:54:27,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:54:27" (1/1) ... [2022-11-16 15:54:27,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73961705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:54:27, skipping insertion in model container [2022-11-16 15:54:27,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:54:27" (1/1) ... [2022-11-16 15:54:27,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 15:54:27,823 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 15:54:28,071 WARN L229 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_30d1bc19-e8ef-48a5-a417-aa035f3e6f3a/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i[472,485] [2022-11-16 15:54:29,379 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 15:54:29,403 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 15:54:29,415 WARN L229 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_30d1bc19-e8ef-48a5-a417-aa035f3e6f3a/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i[472,485] [2022-11-16 15:54:29,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 15:54:29,775 INFO L208 MainTranslator]: Completed translation [2022-11-16 15:54:29,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:54:29 WrapperNode [2022-11-16 15:54:29,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 15:54:29,776 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 15:54:29,776 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 15:54:29,777 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 15:54:29,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:54:29" (1/1) ... [2022-11-16 15:54:29,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:54:29" (1/1) ... [2022-11-16 15:54:29,958 INFO L138 Inliner]: procedures = 474, calls = 840, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 1009 [2022-11-16 15:54:29,959 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 15:54:29,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 15:54:29,960 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 15:54:29,960 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 15:54:29,969 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:54:29" (1/1) ... [2022-11-16 15:54:29,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:54:29" (1/1) ... [2022-11-16 15:54:29,981 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:54:29" (1/1) ... [2022-11-16 15:54:29,989 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:54:29" (1/1) ... [2022-11-16 15:54:30,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:54:29" (1/1) ... [2022-11-16 15:54:30,065 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:54:29" (1/1) ... [2022-11-16 15:54:30,073 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:54:29" (1/1) ... [2022-11-16 15:54:30,091 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:54:29" (1/1) ... [2022-11-16 15:54:30,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 15:54:30,110 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 15:54:30,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 15:54:30,111 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 15:54:30,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:54:29" (1/1) ... [2022-11-16 15:54:30,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 15:54:30,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d1bc19-e8ef-48a5-a417-aa035f3e6f3a/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 15:54:30,157 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d1bc19-e8ef-48a5-a417-aa035f3e6f3a/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 15:54:30,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d1bc19-e8ef-48a5-a417-aa035f3e6f3a/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 15:54:30,206 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2022-11-16 15:54:30,206 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2022-11-16 15:54:30,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 15:54:30,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2022-11-16 15:54:30,206 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-16 15:54:30,207 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-16 15:54:30,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 15:54:30,207 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-16 15:54:30,207 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-16 15:54:30,207 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 15:54:30,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2022-11-16 15:54:30,208 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2022-11-16 15:54:30,208 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2022-11-16 15:54:30,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 15:54:30,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 15:54:30,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 15:54:30,208 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2022-11-16 15:54:30,209 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2022-11-16 15:54:30,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 15:54:30,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 15:54:30,209 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 15:54:30,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 15:54:30,209 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2022-11-16 15:54:30,210 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2022-11-16 15:54:30,210 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-16 15:54:30,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-16 15:54:30,210 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2022-11-16 15:54:30,211 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2022-11-16 15:54:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 15:54:30,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 15:54:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2022-11-16 15:54:30,211 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2022-11-16 15:54:30,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 15:54:30,212 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 15:54:30,212 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 15:54:30,212 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-16 15:54:30,212 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-16 15:54:30,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 15:54:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 15:54:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-16 15:54:30,213 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-16 15:54:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2022-11-16 15:54:30,214 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2022-11-16 15:54:30,214 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-16 15:54:30,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-16 15:54:30,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 15:54:30,216 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2022-11-16 15:54:30,216 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2022-11-16 15:54:30,217 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-16 15:54:30,218 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-16 15:54:30,218 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-16 15:54:30,218 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-16 15:54:30,218 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2022-11-16 15:54:30,219 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2022-11-16 15:54:30,219 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2022-11-16 15:54:30,219 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2022-11-16 15:54:30,219 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2022-11-16 15:54:30,220 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2022-11-16 15:54:30,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 15:54:30,220 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2022-11-16 15:54:30,220 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2022-11-16 15:54:30,220 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2022-11-16 15:54:30,220 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2022-11-16 15:54:30,221 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-11-16 15:54:30,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-11-16 15:54:30,221 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-16 15:54:30,221 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-16 15:54:30,221 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-16 15:54:30,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-16 15:54:30,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 15:54:30,644 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 15:54:30,647 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 15:54:32,710 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 15:54:33,014 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 15:54:33,014 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-16 15:54:33,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 03:54:33 BoogieIcfgContainer [2022-11-16 15:54:33,017 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 15:54:33,020 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 15:54:33,020 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 15:54:33,023 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 15:54:33,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 03:54:27" (1/3) ... [2022-11-16 15:54:33,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16d950c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:54:33, skipping insertion in model container [2022-11-16 15:54:33,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:54:29" (2/3) ... [2022-11-16 15:54:33,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16d950c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:54:33, skipping insertion in model container [2022-11-16 15:54:33,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 03:54:33" (3/3) ... [2022-11-16 15:54:33,027 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_pthread_mutex_unlock.i [2022-11-16 15:54:33,047 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 15:54:33,047 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-16 15:54:33,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16d950c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 03:54:33, skipping insertion in model container [2022-11-16 15:54:33,049 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 15:54:33,050 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 15:54:33,050 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 15:54:33,050 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 15:54:33,051 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 03:54:33" (3/3) ... [2022-11-16 15:54:33,055 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 15:54:33,061 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_init [2022-11-16 15:54:33,062 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2022-11-16 15:54:33,062 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure misc_deregister [2022-11-16 15:54:33,062 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_ping [2022-11-16 15:54:33,062 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_context_process [2022-11-16 15:54:33,062 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_readw [2022-11-16 15:54:33,063 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2022-11-16 15:54:33,063 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_timer_off [2022-11-16 15:54:33,063 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock [2022-11-16 15:54:33,063 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-16 15:54:33,063 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2022-11-16 15:54:33,063 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outw [2022-11-16 15:54:33,064 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2022-11-16 15:54:33,064 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure add_timer [2022-11-16 15:54:33,064 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2022-11-16 15:54:33,064 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-16 15:54:33,064 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure release_region [2022-11-16 15:54:33,065 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_begin [2022-11-16 15:54:33,065 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2022-11-16 15:54:33,065 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_end [2022-11-16 15:54:33,065 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure del_timer [2022-11-16 15:54:33,065 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_irqsave [2022-11-16 15:54:33,065 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_get_control [2022-11-16 15:54:33,066 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure request_region [2022-11-16 15:54:33,066 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-11-16 15:54:33,066 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdev_add [2022-11-16 15:54:33,067 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-16 15:54:33,067 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_set_control [2022-11-16 15:54:33,083 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 210 nodes and edges [2022-11-16 15:54:33,085 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 68 nodes and edges [2022-11-16 15:54:33,086 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-11-16 15:54:33,088 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-16 15:54:33,090 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 15:54:33,091 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 15:54:33,232 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d1bc19-e8ef-48a5-a417-aa035f3e6f3a/bin/utaipan-Xvt2sAort0/witness.graphml [2022-11-16 15:54:33,232 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 15:54:33,234 INFO L158 Benchmark]: Toolchain (without parser) took 5539.09ms. Allocated memory was 111.1MB in the beginning and 180.4MB in the end (delta: 69.2MB). Free memory was 65.2MB in the beginning and 113.4MB in the end (delta: -48.3MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2022-11-16 15:54:33,234 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 111.1MB. Free memory was 86.3MB in the beginning and 86.2MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 15:54:33,235 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2077.61ms. Allocated memory was 111.1MB in the beginning and 144.7MB in the end (delta: 33.6MB). Free memory was 65.0MB in the beginning and 65.3MB in the end (delta: -304.0kB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2022-11-16 15:54:33,235 INFO L158 Benchmark]: Boogie Procedure Inliner took 182.60ms. Allocated memory is still 144.7MB. Free memory was 65.3MB in the beginning and 56.1MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 15:54:33,236 INFO L158 Benchmark]: Boogie Preprocessor took 150.20ms. Allocated memory is still 144.7MB. Free memory was 56.1MB in the beginning and 108.8MB in the end (delta: -52.7MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2022-11-16 15:54:33,236 INFO L158 Benchmark]: RCFGBuilder took 2907.14ms. Allocated memory was 144.7MB in the beginning and 180.4MB in the end (delta: 35.7MB). Free memory was 107.9MB in the beginning and 133.4MB in the end (delta: -25.4MB). Peak memory consumption was 108.3MB. Max. memory is 16.1GB. [2022-11-16 15:54:33,237 INFO L158 Benchmark]: TraceAbstraction took 29.27ms. Allocated memory is still 180.4MB. Free memory was 133.4MB in the beginning and 131.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 15:54:33,237 INFO L158 Benchmark]: Witness Printer took 182.64ms. Allocated memory is still 180.4MB. Free memory was 131.3MB in the beginning and 113.4MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-16 15:54:33,239 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 111.1MB. Free memory was 86.3MB in the beginning and 86.2MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2077.61ms. Allocated memory was 111.1MB in the beginning and 144.7MB in the end (delta: 33.6MB). Free memory was 65.0MB in the beginning and 65.3MB in the end (delta: -304.0kB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 182.60ms. Allocated memory is still 144.7MB. Free memory was 65.3MB in the beginning and 56.1MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 150.20ms. Allocated memory is still 144.7MB. Free memory was 56.1MB in the beginning and 108.8MB in the end (delta: -52.7MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. * RCFGBuilder took 2907.14ms. Allocated memory was 144.7MB in the beginning and 180.4MB in the end (delta: 35.7MB). Free memory was 107.9MB in the beginning and 133.4MB in the end (delta: -25.4MB). Peak memory consumption was 108.3MB. Max. memory is 16.1GB. * TraceAbstraction took 29.27ms. Allocated memory is still 180.4MB. Free memory was 133.4MB in the beginning and 131.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 182.64ms. Allocated memory is still 180.4MB. Free memory was 131.3MB in the beginning and 113.4MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. 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! [2022-11-16 15:54:33,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30d1bc19-e8ef-48a5-a417-aa035f3e6f3a/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE