./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/14_spin2003.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25680db8-337f-4394-bd4f-17658b88ebe5/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25680db8-337f-4394-bd4f-17658b88ebe5/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25680db8-337f-4394-bd4f-17658b88ebe5/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25680db8-337f-4394-bd4f-17658b88ebe5/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/14_spin2003.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25680db8-337f-4394-bd4f-17658b88ebe5/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25680db8-337f-4394-bd4f-17658b88ebe5/bin/utaipan-fb15Y9Yzbl --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 f5ed9d077a05ec08544f0d3c902eb6b5aa6ad768c4ec69a1caaef2b54748a07e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:46:54,750 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:46:54,753 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:46:54,817 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:46:54,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:46:54,822 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:46:54,824 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:46:54,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:46:54,832 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:46:54,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:46:54,840 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:46:54,842 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:46:54,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:46:54,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:46:54,848 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:46:54,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:46:54,862 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:46:54,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:46:54,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:46:54,875 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:46:54,878 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:46:54,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:46:54,884 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:46:54,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:46:54,902 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:46:54,902 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:46:54,903 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:46:54,905 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:46:54,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:46:54,908 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:46:54,908 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:46:54,909 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:46:54,912 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:46:54,913 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:46:54,915 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:46:54,915 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:46:54,916 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:46:54,917 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:46:54,917 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:46:54,918 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:46:54,919 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:46:54,920 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25680db8-337f-4394-bd4f-17658b88ebe5/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 16:46:54,971 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:46:54,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:46:54,973 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:46:54,973 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:46:54,981 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:46:54,981 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:46:54,981 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:46:54,982 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:46:54,982 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:46:54,982 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 16:46:54,983 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:46:54,984 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:46:54,984 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 16:46:54,984 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 16:46:54,984 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:46:54,985 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 16:46:54,985 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 16:46:54,985 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 16:46:54,986 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:46:54,986 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:46:54,986 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:46:54,987 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:46:54,987 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:46:54,987 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:46:54,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:46:54,988 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:46:54,989 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:46:54,990 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:46:54,990 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:46:54,990 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:46:54,991 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:46:54,991 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:46:54,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:46:54,992 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:46:54,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:46:54,992 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:46:54,992 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 16:46:54,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 16:46:54,993 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:46:54,993 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:46:54,993 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:46:54,994 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_25680db8-337f-4394-bd4f-17658b88ebe5/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25680db8-337f-4394-bd4f-17658b88ebe5/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5ed9d077a05ec08544f0d3c902eb6b5aa6ad768c4ec69a1caaef2b54748a07e [2021-11-23 16:46:55,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:46:55,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:46:55,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:46:55,403 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:46:55,404 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:46:55,405 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25680db8-337f-4394-bd4f-17658b88ebe5/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-ext/14_spin2003.i [2021-11-23 16:46:55,497 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25680db8-337f-4394-bd4f-17658b88ebe5/bin/utaipan-fb15Y9Yzbl/data/489d259e0/25f0f55d141f4448bd751d2f00e45987/FLAGefe11aedd [2021-11-23 16:46:56,229 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:46:56,229 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25680db8-337f-4394-bd4f-17658b88ebe5/sv-benchmarks/c/pthread-ext/14_spin2003.i [2021-11-23 16:46:56,254 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25680db8-337f-4394-bd4f-17658b88ebe5/bin/utaipan-fb15Y9Yzbl/data/489d259e0/25f0f55d141f4448bd751d2f00e45987/FLAGefe11aedd [2021-11-23 16:46:56,465 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25680db8-337f-4394-bd4f-17658b88ebe5/bin/utaipan-fb15Y9Yzbl/data/489d259e0/25f0f55d141f4448bd751d2f00e45987 [2021-11-23 16:46:56,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:46:56,470 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:46:56,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:46:56,481 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:46:56,486 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:46:56,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:46:56" (1/1) ... [2021-11-23 16:46:56,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345d811c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:56, skipping insertion in model container [2021-11-23 16:46:56,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:46:56" (1/1) ... [2021-11-23 16:46:56,499 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:46:56,550 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:46:56,971 WARN L230 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_25680db8-337f-4394-bd4f-17658b88ebe5/sv-benchmarks/c/pthread-ext/14_spin2003.i[30203,30216] [2021-11-23 16:46:56,985 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:46:56,995 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:46:57,058 WARN L230 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_25680db8-337f-4394-bd4f-17658b88ebe5/sv-benchmarks/c/pthread-ext/14_spin2003.i[30203,30216] [2021-11-23 16:46:57,062 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:46:57,150 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:46:57,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:57 WrapperNode [2021-11-23 16:46:57,151 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:46:57,152 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:46:57,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:46:57,152 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:46:57,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:57" (1/1) ... [2021-11-23 16:46:57,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:57" (1/1) ... [2021-11-23 16:46:57,257 INFO L137 Inliner]: procedures = 169, calls = 14, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 47 [2021-11-23 16:46:57,258 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:46:57,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:46:57,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:46:57,260 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:46:57,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:57" (1/1) ... [2021-11-23 16:46:57,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:57" (1/1) ... [2021-11-23 16:46:57,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:57" (1/1) ... [2021-11-23 16:46:57,277 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:57" (1/1) ... [2021-11-23 16:46:57,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:57" (1/1) ... [2021-11-23 16:46:57,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:57" (1/1) ... [2021-11-23 16:46:57,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:57" (1/1) ... [2021-11-23 16:46:57,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:46:57,323 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:46:57,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:46:57,323 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:46:57,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:57" (1/1) ... [2021-11-23 16:46:57,334 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:46:57,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25680db8-337f-4394-bd4f-17658b88ebe5/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:46:57,367 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25680db8-337f-4394-bd4f-17658b88ebe5/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:46:57,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25680db8-337f-4394-bd4f-17658b88ebe5/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:46:57,424 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-23 16:46:57,425 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-23 16:46:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 16:46:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:46:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 16:46:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 16:46:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 16:46:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:46:57,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:46:57,428 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 16:46:57,610 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:46:57,612 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:46:57,786 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:46:57,814 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 16:46:57,820 INFO L158 Benchmark]: Toolchain (without parser) took 1348.81ms. Allocated memory is still 100.7MB. Free memory was 63.2MB in the beginning and 61.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. [2021-11-23 16:46:57,821 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 100.7MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:46:57,822 INFO L158 Benchmark]: CACSL2BoogieTranslator took 670.24ms. Allocated memory is still 100.7MB. Free memory was 63.0MB in the beginning and 76.0MB in the end (delta: -12.9MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2021-11-23 16:46:57,823 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.30ms. Allocated memory is still 100.7MB. Free memory was 76.0MB in the beginning and 74.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 16:46:57,825 INFO L158 Benchmark]: Boogie Preprocessor took 62.93ms. Allocated memory is still 100.7MB. Free memory was 74.3MB in the beginning and 73.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 16:46:57,826 INFO L158 Benchmark]: RCFGBuilder took 495.17ms. Allocated memory is still 100.7MB. Free memory was 73.1MB in the beginning and 61.7MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 16:46:57,831 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 100.7MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 670.24ms. Allocated memory is still 100.7MB. Free memory was 63.0MB in the beginning and 76.0MB in the end (delta: -12.9MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.30ms. Allocated memory is still 100.7MB. Free memory was 76.0MB in the beginning and 74.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.93ms. Allocated memory is still 100.7MB. Free memory was 74.3MB in the beginning and 73.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 495.17ms. Allocated memory is still 100.7MB. Free memory was 73.1MB in the beginning and 61.7MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 16:46:57,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25680db8-337f-4394-bd4f-17658b88ebe5/bin/utaipan-fb15Y9Yzbl/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25680db8-337f-4394-bd4f-17658b88ebe5/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25680db8-337f-4394-bd4f-17658b88ebe5/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25680db8-337f-4394-bd4f-17658b88ebe5/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25680db8-337f-4394-bd4f-17658b88ebe5/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/14_spin2003.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25680db8-337f-4394-bd4f-17658b88ebe5/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25680db8-337f-4394-bd4f-17658b88ebe5/bin/utaipan-fb15Y9Yzbl --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 f5ed9d077a05ec08544f0d3c902eb6b5aa6ad768c4ec69a1caaef2b54748a07e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:47:00,571 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:47:00,575 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:47:00,636 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:47:00,637 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:47:00,643 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:47:00,645 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:47:00,650 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:47:00,653 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:47:00,665 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:47:00,666 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:47:00,667 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:47:00,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:47:00,669 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:47:00,671 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:47:00,672 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:47:00,673 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:47:00,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:47:00,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:47:00,680 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:47:00,682 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:47:00,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:47:00,686 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:47:00,687 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:47:00,691 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:47:00,692 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:47:00,692 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:47:00,693 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:47:00,694 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:47:00,695 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:47:00,696 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:47:00,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:47:00,698 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:47:00,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:47:00,701 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:47:00,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:47:00,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:47:00,703 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:47:00,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:47:00,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:47:00,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:47:00,707 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25680db8-337f-4394-bd4f-17658b88ebe5/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 16:47:00,740 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:47:00,741 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:47:00,741 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:47:00,741 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:47:00,742 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:47:00,742 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:47:00,743 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:47:00,743 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:47:00,743 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:47:00,743 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:47:00,744 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:47:00,744 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:47:00,747 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:47:00,747 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:47:00,747 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:47:00,748 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:47:00,748 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:47:00,748 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:47:00,748 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:47:00,749 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:47:00,749 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 16:47:00,749 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 16:47:00,749 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:47:00,750 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:47:00,750 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:47:00,751 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:47:00,751 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:47:00,751 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 16:47:00,752 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:47:00,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:47:00,753 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:47:00,753 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:47:00,754 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:47:00,754 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 16:47:00,754 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 16:47:00,754 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:47:00,756 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:47:00,756 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:47:00,756 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_25680db8-337f-4394-bd4f-17658b88ebe5/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25680db8-337f-4394-bd4f-17658b88ebe5/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5ed9d077a05ec08544f0d3c902eb6b5aa6ad768c4ec69a1caaef2b54748a07e [2021-11-23 16:47:01,189 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:47:01,215 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:47:01,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:47:01,220 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:47:01,220 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:47:01,222 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25680db8-337f-4394-bd4f-17658b88ebe5/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-ext/14_spin2003.i [2021-11-23 16:47:01,300 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25680db8-337f-4394-bd4f-17658b88ebe5/bin/utaipan-fb15Y9Yzbl/data/a06211b59/299f3b9934874e51beb46ea1eb9a8c32/FLAG8aba59b59 [2021-11-23 16:47:01,991 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:47:01,991 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25680db8-337f-4394-bd4f-17658b88ebe5/sv-benchmarks/c/pthread-ext/14_spin2003.i [2021-11-23 16:47:02,025 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25680db8-337f-4394-bd4f-17658b88ebe5/bin/utaipan-fb15Y9Yzbl/data/a06211b59/299f3b9934874e51beb46ea1eb9a8c32/FLAG8aba59b59 [2021-11-23 16:47:02,242 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25680db8-337f-4394-bd4f-17658b88ebe5/bin/utaipan-fb15Y9Yzbl/data/a06211b59/299f3b9934874e51beb46ea1eb9a8c32 [2021-11-23 16:47:02,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:47:02,250 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:47:02,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:47:02,266 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:47:02,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:47:02,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:47:02" (1/1) ... [2021-11-23 16:47:02,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c63bb5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:02, skipping insertion in model container [2021-11-23 16:47:02,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:47:02" (1/1) ... [2021-11-23 16:47:02,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:47:02,354 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:47:02,849 WARN L230 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_25680db8-337f-4394-bd4f-17658b88ebe5/sv-benchmarks/c/pthread-ext/14_spin2003.i[30203,30216] [2021-11-23 16:47:02,864 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:47:02,883 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:47:02,956 WARN L230 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_25680db8-337f-4394-bd4f-17658b88ebe5/sv-benchmarks/c/pthread-ext/14_spin2003.i[30203,30216] [2021-11-23 16:47:02,963 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:47:03,027 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:47:03,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:03 WrapperNode [2021-11-23 16:47:03,028 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:47:03,030 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:47:03,030 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:47:03,030 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:47:03,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:03" (1/1) ... [2021-11-23 16:47:03,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:03" (1/1) ... [2021-11-23 16:47:03,107 INFO L137 Inliner]: procedures = 172, calls = 14, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 48 [2021-11-23 16:47:03,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:47:03,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:47:03,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:47:03,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:47:03,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:03" (1/1) ... [2021-11-23 16:47:03,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:03" (1/1) ... [2021-11-23 16:47:03,138 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:03" (1/1) ... [2021-11-23 16:47:03,139 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:03" (1/1) ... [2021-11-23 16:47:03,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:03" (1/1) ... [2021-11-23 16:47:03,165 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:03" (1/1) ... [2021-11-23 16:47:03,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:03" (1/1) ... [2021-11-23 16:47:03,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:47:03,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:47:03,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:47:03,185 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:47:03,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:03" (1/1) ... [2021-11-23 16:47:03,195 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:47:03,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25680db8-337f-4394-bd4f-17658b88ebe5/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:47:03,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25680db8-337f-4394-bd4f-17658b88ebe5/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:47:03,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25680db8-337f-4394-bd4f-17658b88ebe5/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:47:03,281 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-23 16:47:03,282 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-23 16:47:03,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:47:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 16:47:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 16:47:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 16:47:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 16:47:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:47:03,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:47:03,286 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 16:47:03,420 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:47:03,422 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:47:03,619 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:47:03,647 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 16:47:03,652 INFO L158 Benchmark]: Toolchain (without parser) took 1400.66ms. Allocated memory is still 81.8MB. Free memory was 46.5MB in the beginning and 41.8MB in the end (delta: 4.6MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2021-11-23 16:47:03,653 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 81.8MB. Free memory was 64.2MB in the beginning and 64.1MB in the end (delta: 69.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:47:03,654 INFO L158 Benchmark]: CACSL2BoogieTranslator took 763.43ms. Allocated memory is still 81.8MB. Free memory was 46.3MB in the beginning and 56.6MB in the end (delta: -10.4MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2021-11-23 16:47:03,655 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.53ms. Allocated memory is still 81.8MB. Free memory was 56.5MB in the beginning and 54.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 16:47:03,656 INFO L158 Benchmark]: Boogie Preprocessor took 73.42ms. Allocated memory is still 81.8MB. Free memory was 54.6MB in the beginning and 52.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:47:03,657 INFO L158 Benchmark]: RCFGBuilder took 466.69ms. Allocated memory is still 81.8MB. Free memory was 52.9MB in the beginning and 41.8MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 16:47:03,661 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 81.8MB. Free memory was 64.2MB in the beginning and 64.1MB in the end (delta: 69.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 763.43ms. Allocated memory is still 81.8MB. Free memory was 46.3MB in the beginning and 56.6MB in the end (delta: -10.4MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.53ms. Allocated memory is still 81.8MB. Free memory was 56.5MB in the beginning and 54.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.42ms. Allocated memory is still 81.8MB. Free memory was 54.6MB in the beginning and 52.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 466.69ms. Allocated memory is still 81.8MB. Free memory was 52.9MB in the beginning and 41.8MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 16:47:03,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25680db8-337f-4394-bd4f-17658b88ebe5/bin/utaipan-fb15Y9Yzbl/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: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable