./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/14_spin2003.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba4fbe-9a5c-42b7-9269-4f2a58d7f4ab/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba4fbe-9a5c-42b7-9269-4f2a58d7f4ab/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba4fbe-9a5c-42b7-9269-4f2a58d7f4ab/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba4fbe-9a5c-42b7-9269-4f2a58d7f4ab/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/14_spin2003.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba4fbe-9a5c-42b7-9269-4f2a58d7f4ab/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba4fbe-9a5c-42b7-9269-4f2a58d7f4ab/bin/utaipan-gh47qXpMRh --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f5ed9d077a05ec08544f0d3c902eb6b5aa6ad768c4ec69a1caaef2b54748a07e --- 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-2329fc7 [2022-12-14 14:06:44,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:06:44,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:06:44,168 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:06:44,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:06:44,169 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:06:44,171 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:06:44,172 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:06:44,174 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:06:44,174 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:06:44,175 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:06:44,176 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:06:44,176 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:06:44,177 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:06:44,178 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:06:44,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:06:44,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:06:44,179 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:06:44,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:06:44,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:06:44,182 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:06:44,183 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:06:44,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:06:44,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:06:44,186 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:06:44,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:06:44,187 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:06:44,187 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:06:44,188 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:06:44,188 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:06:44,188 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:06:44,189 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:06:44,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:06:44,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:06:44,190 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:06:44,190 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:06:44,191 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:06:44,191 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:06:44,191 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:06:44,192 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:06:44,192 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:06:44,193 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba4fbe-9a5c-42b7-9269-4f2a58d7f4ab/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-12-14 14:06:44,206 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:06:44,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:06:44,206 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:06:44,206 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:06:44,207 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:06:44,207 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:06:44,207 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:06:44,207 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:06:44,207 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:06:44,207 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 14:06:44,208 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:06:44,208 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:06:44,208 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 14:06:44,208 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 14:06:44,208 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:06:44,208 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 14:06:44,208 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 14:06:44,208 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 14:06:44,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:06:44,209 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 14:06:44,209 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 14:06:44,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 14:06:44,209 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 14:06:44,209 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:06:44,209 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 14:06:44,209 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:06:44,209 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 14:06:44,209 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 14:06:44,210 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 14:06:44,210 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 14:06:44,210 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:06:44,210 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 14:06:44,210 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:06:44,210 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:06:44,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:06:44,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:06:44,210 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 14:06:44,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:06:44,211 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 14:06:44,211 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 14:06:44,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 14:06:44,211 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 14:06:44,211 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:06:44,211 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_29ba4fbe-9a5c-42b7-9269-4f2a58d7f4ab/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba4fbe-9a5c-42b7-9269-4f2a58d7f4ab/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5ed9d077a05ec08544f0d3c902eb6b5aa6ad768c4ec69a1caaef2b54748a07e [2022-12-14 14:06:44,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:06:44,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:06:44,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:06:44,406 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:06:44,407 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:06:44,408 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba4fbe-9a5c-42b7-9269-4f2a58d7f4ab/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-ext/14_spin2003.i [2022-12-14 14:06:47,069 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:06:47,245 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:06:47,245 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba4fbe-9a5c-42b7-9269-4f2a58d7f4ab/sv-benchmarks/c/pthread-ext/14_spin2003.i [2022-12-14 14:06:47,253 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba4fbe-9a5c-42b7-9269-4f2a58d7f4ab/bin/utaipan-gh47qXpMRh/data/751b379ac/94b72031281d4868a7f0fcc81dc2b65b/FLAGa99c2c6d1 [2022-12-14 14:06:47,612 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba4fbe-9a5c-42b7-9269-4f2a58d7f4ab/bin/utaipan-gh47qXpMRh/data/751b379ac/94b72031281d4868a7f0fcc81dc2b65b [2022-12-14 14:06:47,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:06:47,615 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:06:47,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:06:47,616 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:06:47,619 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:06:47,620 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:06:47" (1/1) ... [2022-12-14 14:06:47,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7251b926 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:06:47, skipping insertion in model container [2022-12-14 14:06:47,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:06:47" (1/1) ... [2022-12-14 14:06:47,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:06:47,648 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:06:47,831 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_29ba4fbe-9a5c-42b7-9269-4f2a58d7f4ab/sv-benchmarks/c/pthread-ext/14_spin2003.i[30203,30216] [2022-12-14 14:06:47,836 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:06:47,843 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 14:06:47,867 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_29ba4fbe-9a5c-42b7-9269-4f2a58d7f4ab/sv-benchmarks/c/pthread-ext/14_spin2003.i[30203,30216] [2022-12-14 14:06:47,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:06:47,889 INFO L208 MainTranslator]: Completed translation [2022-12-14 14:06:47,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:06:47 WrapperNode [2022-12-14 14:06:47,889 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:06:47,890 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 14:06:47,890 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 14:06:47,890 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 14:06:47,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:06:47" (1/1) ... [2022-12-14 14:06:47,904 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:06:47" (1/1) ... [2022-12-14 14:06:47,917 INFO L138 Inliner]: procedures = 169, calls = 14, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 47 [2022-12-14 14:06:47,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 14:06:47,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 14:06:47,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 14:06:47,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 14:06:47,925 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:06:47" (1/1) ... [2022-12-14 14:06:47,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:06:47" (1/1) ... [2022-12-14 14:06:47,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:06:47" (1/1) ... [2022-12-14 14:06:47,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:06:47" (1/1) ... [2022-12-14 14:06:47,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:06:47" (1/1) ... [2022-12-14 14:06:47,932 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:06:47" (1/1) ... [2022-12-14 14:06:47,933 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:06:47" (1/1) ... [2022-12-14 14:06:47,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:06:47" (1/1) ... [2022-12-14 14:06:47,935 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 14:06:47,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 14:06:47,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 14:06:47,936 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 14:06:47,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:06:47" (1/1) ... [2022-12-14 14:06:47,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:06:47,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba4fbe-9a5c-42b7-9269-4f2a58d7f4ab/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:06:47,960 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba4fbe-9a5c-42b7-9269-4f2a58d7f4ab/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 14:06:47,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba4fbe-9a5c-42b7-9269-4f2a58d7f4ab/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 14:06:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-14 14:06:47,992 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-14 14:06:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 14:06:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 14:06:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 14:06:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 14:06:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 14:06:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 14:06:47,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 14:06:47,994 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 14:06:48,081 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 14:06:48,083 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 14:06:48,156 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 14:06:48,185 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 14:06:48,185 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 14:06:48,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:06:48 BoogieIcfgContainer [2022-12-14 14:06:48,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 14:06:48,189 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 14:06:48,189 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 14:06:48,191 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 14:06:48,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 02:06:47" (1/3) ... [2022-12-14 14:06:48,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39c2499a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:06:48, skipping insertion in model container [2022-12-14 14:06:48,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:06:47" (2/3) ... [2022-12-14 14:06:48,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39c2499a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:06:48, skipping insertion in model container [2022-12-14 14:06:48,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:06:48" (3/3) ... [2022-12-14 14:06:48,193 INFO L112 eAbstractionObserver]: Analyzing ICFG 14_spin2003.i [2022-12-14 14:06:48,200 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 14:06:48,207 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 14:06:48,208 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-12-14 14:06:48,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39c2499a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 02:06:48, skipping insertion in model container [2022-12-14 14:06:48,209 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 14:06:48,209 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 14:06:48,209 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 14:06:48,210 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 14:06:48,210 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:06:48" (3/3) ... [2022-12-14 14:06:48,212 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 14:06:48,217 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2022-12-14 14:06:48,219 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-12-14 14:06:48,219 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 14:06:48,219 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 14:06:48,220 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 14:06:48,242 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba4fbe-9a5c-42b7-9269-4f2a58d7f4ab/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 14:06:48,242 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 14:06:48,243 INFO L158 Benchmark]: Toolchain (without parser) took 627.53ms. Allocated memory is still 153.1MB. Free memory was 119.8MB in the beginning and 79.3MB in the end (delta: 40.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-12-14 14:06:48,243 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 153.1MB. Free memory is still 127.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 14:06:48,244 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.20ms. Allocated memory is still 153.1MB. Free memory was 119.3MB in the beginning and 100.8MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 14:06:48,244 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.77ms. Allocated memory is still 153.1MB. Free memory was 100.8MB in the beginning and 98.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 14:06:48,245 INFO L158 Benchmark]: Boogie Preprocessor took 17.29ms. Allocated memory is still 153.1MB. Free memory was 98.7MB in the beginning and 97.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 14:06:48,245 INFO L158 Benchmark]: RCFGBuilder took 251.04ms. Allocated memory is still 153.1MB. Free memory was 97.7MB in the beginning and 84.6MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 14:06:48,245 INFO L158 Benchmark]: TraceAbstraction took 20.28ms. Allocated memory is still 153.1MB. Free memory was 84.0MB in the beginning and 81.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 14:06:48,246 INFO L158 Benchmark]: Witness Printer took 32.84ms. Allocated memory is still 153.1MB. Free memory was 81.6MB in the beginning and 79.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 14:06:48,248 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 153.1MB. Free memory is still 127.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.20ms. Allocated memory is still 153.1MB. Free memory was 119.3MB in the beginning and 100.8MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.77ms. Allocated memory is still 153.1MB. Free memory was 100.8MB in the beginning and 98.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.29ms. Allocated memory is still 153.1MB. Free memory was 98.7MB in the beginning and 97.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 251.04ms. Allocated memory is still 153.1MB. Free memory was 97.7MB in the beginning and 84.6MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 20.28ms. Allocated memory is still 153.1MB. Free memory was 84.0MB in the beginning and 81.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 32.84ms. Allocated memory is still 153.1MB. Free memory was 81.6MB in the beginning and 79.3MB in the end (delta: 2.3MB). 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! [2022-12-14 14:06:48,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba4fbe-9a5c-42b7-9269-4f2a58d7f4ab/bin/utaipan-gh47qXpMRh/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