./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-deagle/floating_read-15.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_1be49c61-8ed2-496c-92fb-8afa81aba73d/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be49c61-8ed2-496c-92fb-8afa81aba73d/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_1be49c61-8ed2-496c-92fb-8afa81aba73d/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be49c61-8ed2-496c-92fb-8afa81aba73d/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-deagle/floating_read-15.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be49c61-8ed2-496c-92fb-8afa81aba73d/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_1be49c61-8ed2-496c-92fb-8afa81aba73d/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 abe6fcc2bea9781e0ab07417eb8616a5b638529e720de8eddec3568cb8edc6ea --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:41:10,809 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:41:10,811 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:41:10,858 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:41:10,858 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:41:10,860 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:41:10,862 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:41:10,864 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:41:10,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:41:10,868 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:41:10,869 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:41:10,871 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:41:10,872 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:41:10,873 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:41:10,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:41:10,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:41:10,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:41:10,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:41:10,883 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:41:10,886 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:41:10,889 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:41:10,890 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:41:10,892 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:41:10,893 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:41:10,898 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:41:10,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:41:10,899 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:41:10,900 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:41:10,901 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:41:10,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:41:10,903 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:41:10,904 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:41:10,906 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:41:10,907 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:41:10,909 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:41:10,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:41:10,910 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:41:10,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:41:10,911 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:41:10,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:41:10,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:41:10,915 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be49c61-8ed2-496c-92fb-8afa81aba73d/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:41:10,946 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:41:10,946 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:41:10,947 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:41:10,947 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:41:10,948 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:41:10,949 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:41:10,949 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:41:10,949 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:41:10,950 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:41:10,950 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:41:10,951 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:41:10,951 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:41:10,951 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:41:10,951 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:41:10,952 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:41:10,952 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:41:10,952 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:41:10,952 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:41:10,953 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:41:10,953 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:41:10,954 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:41:10,954 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:41:10,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:41:10,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:41:10,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:41:10,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:41:10,955 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:41:10,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:41:10,955 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:41:10,955 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:41:10,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:41:10,956 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:41:10,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:41:10,956 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:41:10,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:41:10,957 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:41:10,957 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:41:10,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:41:10,957 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:41:10,958 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:41:10,958 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:41:10,958 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_1be49c61-8ed2-496c-92fb-8afa81aba73d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be49c61-8ed2-496c-92fb-8afa81aba73d/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abe6fcc2bea9781e0ab07417eb8616a5b638529e720de8eddec3568cb8edc6ea [2021-11-23 17:41:11,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:41:11,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:41:11,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:41:11,272 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:41:11,273 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:41:11,275 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be49c61-8ed2-496c-92fb-8afa81aba73d/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-deagle/floating_read-15.i [2021-11-23 17:41:11,367 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be49c61-8ed2-496c-92fb-8afa81aba73d/bin/utaipan-fb15Y9Yzbl/data/dd70f649f/401c9af12ad545a89b0577d542fb074d/FLAG93f2d9729 [2021-11-23 17:41:11,987 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:41:11,987 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be49c61-8ed2-496c-92fb-8afa81aba73d/sv-benchmarks/c/pthread-deagle/floating_read-15.i [2021-11-23 17:41:12,001 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be49c61-8ed2-496c-92fb-8afa81aba73d/bin/utaipan-fb15Y9Yzbl/data/dd70f649f/401c9af12ad545a89b0577d542fb074d/FLAG93f2d9729 [2021-11-23 17:41:12,264 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be49c61-8ed2-496c-92fb-8afa81aba73d/bin/utaipan-fb15Y9Yzbl/data/dd70f649f/401c9af12ad545a89b0577d542fb074d [2021-11-23 17:41:12,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:41:12,268 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:41:12,281 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:41:12,282 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:41:12,286 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:41:12,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:41:12" (1/1) ... [2021-11-23 17:41:12,290 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d830ed0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:12, skipping insertion in model container [2021-11-23 17:41:12,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:41:12" (1/1) ... [2021-11-23 17:41:12,302 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:41:12,393 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:41:12,857 WARN L1533 CHandler]: Possible shadowing of function thread [2021-11-23 17:41:12,871 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_1be49c61-8ed2-496c-92fb-8afa81aba73d/sv-benchmarks/c/pthread-deagle/floating_read-15.i[31197,31210] [2021-11-23 17:41:12,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:41:12,893 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:41:12,947 WARN L1533 CHandler]: Possible shadowing of function thread [2021-11-23 17:41:12,951 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_1be49c61-8ed2-496c-92fb-8afa81aba73d/sv-benchmarks/c/pthread-deagle/floating_read-15.i[31197,31210] [2021-11-23 17:41:12,954 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:41:13,014 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:41:13,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:13 WrapperNode [2021-11-23 17:41:13,015 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:41:13,016 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:41:13,017 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:41:13,017 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:41:13,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:13" (1/1) ... [2021-11-23 17:41:13,059 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:13" (1/1) ... [2021-11-23 17:41:13,091 INFO L137 Inliner]: procedures = 162, calls = 17, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2021-11-23 17:41:13,091 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:41:13,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:41:13,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:41:13,092 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:41:13,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:13" (1/1) ... [2021-11-23 17:41:13,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:13" (1/1) ... [2021-11-23 17:41:13,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:13" (1/1) ... [2021-11-23 17:41:13,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:13" (1/1) ... [2021-11-23 17:41:13,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:13" (1/1) ... [2021-11-23 17:41:13,128 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:13" (1/1) ... [2021-11-23 17:41:13,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:13" (1/1) ... [2021-11-23 17:41:13,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:41:13,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:41:13,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:41:13,141 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:41:13,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:13" (1/1) ... [2021-11-23 17:41:13,152 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:41:13,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be49c61-8ed2-496c-92fb-8afa81aba73d/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:41:13,184 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be49c61-8ed2-496c-92fb-8afa81aba73d/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:41:13,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be49c61-8ed2-496c-92fb-8afa81aba73d/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:41:13,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 17:41:13,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:41:13,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 17:41:13,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:41:13,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:41:13,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:41:13,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:41:13,236 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2021-11-23 17:41:13,237 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2021-11-23 17:41:13,237 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 17:41:13,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:41:13,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:41:13,238 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 17:41:13,365 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:41:13,366 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:41:13,483 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:41:13,490 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:41:13,490 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 17:41:13,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:41:13 BoogieIcfgContainer [2021-11-23 17:41:13,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:41:13,494 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:41:13,494 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:41:13,498 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:41:13,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:41:12" (1/3) ... [2021-11-23 17:41:13,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6205a33a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:41:13, skipping insertion in model container [2021-11-23 17:41:13,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:13" (2/3) ... [2021-11-23 17:41:13,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6205a33a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:41:13, skipping insertion in model container [2021-11-23 17:41:13,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:41:13" (3/3) ... [2021-11-23 17:41:13,502 INFO L111 eAbstractionObserver]: Analyzing ICFG floating_read-15.i [2021-11-23 17:41:13,507 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-23 17:41:13,507 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:41:13,507 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:41:13,507 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-23 17:41:13,531 WARN L322 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:41:13,531 WARN L322 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:41:13,531 WARN L322 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:41:13,531 WARN L322 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:41:13,532 WARN L322 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:41:13,532 WARN L322 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:41:13,532 WARN L322 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:41:13,532 WARN L322 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:41:13,533 WARN L322 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:41:13,533 WARN L322 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:41:13,533 WARN L322 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~thread~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:41:13,533 WARN L322 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:41:13,533 WARN L322 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:41:13,533 WARN L322 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~thread~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:41:13,534 WARN L322 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~thread~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:41:13,534 WARN L322 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~thread~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:41:13,534 WARN L322 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:41:13,534 WARN L322 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:41:13,535 WARN L322 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:41:13,535 WARN L322 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:41:13,536 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.connectThreadInstances(ThreadInstanceAdder.java:116) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.IcfgPetrifier.(IcfgPetrifier.java:136) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.petrify(TraceAbstractionStarter.java:514) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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 17:41:13,540 INFO L158 Benchmark]: Toolchain (without parser) took 1271.02ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 45.4MB in the beginning and 53.1MB in the end (delta: -7.7MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2021-11-23 17:41:13,541 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 86.0MB. Free memory is still 63.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:41:13,542 INFO L158 Benchmark]: CACSL2BoogieTranslator took 734.18ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 45.2MB in the beginning and 71.5MB in the end (delta: -26.3MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2021-11-23 17:41:13,543 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.03ms. Allocated memory is still 104.9MB. Free memory was 71.5MB in the beginning and 69.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:41:13,544 INFO L158 Benchmark]: Boogie Preprocessor took 46.42ms. Allocated memory is still 104.9MB. Free memory was 69.4MB in the beginning and 68.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:41:13,545 INFO L158 Benchmark]: RCFGBuilder took 353.14ms. Allocated memory is still 104.9MB. Free memory was 68.2MB in the beginning and 57.1MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 17:41:13,546 INFO L158 Benchmark]: TraceAbstraction took 44.08ms. Allocated memory is still 104.9MB. Free memory was 56.7MB in the beginning and 53.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:41:13,551 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 86.0MB. Free memory is still 63.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 734.18ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 45.2MB in the beginning and 71.5MB in the end (delta: -26.3MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.03ms. Allocated memory is still 104.9MB. Free memory was 71.5MB in the beginning and 69.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.42ms. Allocated memory is still 104.9MB. Free memory was 69.4MB in the beginning and 68.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 353.14ms. Allocated memory is still 104.9MB. Free memory was 68.2MB in the beginning and 57.1MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 44.08ms. Allocated memory is still 104.9MB. Free memory was 56.7MB in the beginning and 53.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:41:13,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be49c61-8ed2-496c-92fb-8afa81aba73d/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_1be49c61-8ed2-496c-92fb-8afa81aba73d/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be49c61-8ed2-496c-92fb-8afa81aba73d/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_1be49c61-8ed2-496c-92fb-8afa81aba73d/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be49c61-8ed2-496c-92fb-8afa81aba73d/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-deagle/floating_read-15.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be49c61-8ed2-496c-92fb-8afa81aba73d/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_1be49c61-8ed2-496c-92fb-8afa81aba73d/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 abe6fcc2bea9781e0ab07417eb8616a5b638529e720de8eddec3568cb8edc6ea --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:41:16,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:41:16,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:41:16,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:41:16,210 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:41:16,216 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:41:16,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:41:16,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:41:16,229 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:41:16,238 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:41:16,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:41:16,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:41:16,244 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:41:16,247 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:41:16,250 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:41:16,256 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:41:16,258 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:41:16,260 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:41:16,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:41:16,276 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:41:16,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:41:16,282 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:41:16,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:41:16,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:41:16,300 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:41:16,300 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:41:16,301 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:41:16,304 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:41:16,304 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:41:16,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:41:16,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:41:16,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:41:16,310 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:41:16,311 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:41:16,313 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:41:16,313 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:41:16,315 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:41:16,315 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:41:16,315 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:41:16,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:41:16,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:41:16,325 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be49c61-8ed2-496c-92fb-8afa81aba73d/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:41:16,377 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:41:16,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:41:16,379 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:41:16,379 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:41:16,380 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:41:16,380 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:41:16,381 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:41:16,381 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:41:16,381 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:41:16,381 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:41:16,383 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:41:16,383 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:41:16,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:41:16,386 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:41:16,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:41:16,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:41:16,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:41:16,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:41:16,387 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:41:16,387 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:41:16,387 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:41:16,387 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:41:16,388 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:41:16,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:41:16,388 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:41:16,388 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:41:16,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:41:16,389 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:41:16,389 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:41:16,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:41:16,390 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:41:16,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:41:16,391 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:41:16,391 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:41:16,391 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:41:16,392 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:41:16,392 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:41:16,392 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:41:16,402 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_1be49c61-8ed2-496c-92fb-8afa81aba73d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be49c61-8ed2-496c-92fb-8afa81aba73d/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abe6fcc2bea9781e0ab07417eb8616a5b638529e720de8eddec3568cb8edc6ea [2021-11-23 17:41:16,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:41:16,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:41:16,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:41:16,926 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:41:16,927 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:41:16,929 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be49c61-8ed2-496c-92fb-8afa81aba73d/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-deagle/floating_read-15.i [2021-11-23 17:41:17,032 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be49c61-8ed2-496c-92fb-8afa81aba73d/bin/utaipan-fb15Y9Yzbl/data/891617fce/e73713afaea14a7980eb43679026089b/FLAG745f66ded [2021-11-23 17:41:17,809 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:41:17,810 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be49c61-8ed2-496c-92fb-8afa81aba73d/sv-benchmarks/c/pthread-deagle/floating_read-15.i [2021-11-23 17:41:17,832 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be49c61-8ed2-496c-92fb-8afa81aba73d/bin/utaipan-fb15Y9Yzbl/data/891617fce/e73713afaea14a7980eb43679026089b/FLAG745f66ded [2021-11-23 17:41:18,051 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be49c61-8ed2-496c-92fb-8afa81aba73d/bin/utaipan-fb15Y9Yzbl/data/891617fce/e73713afaea14a7980eb43679026089b [2021-11-23 17:41:18,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:41:18,060 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:41:18,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:41:18,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:41:18,071 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:41:18,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:41:18" (1/1) ... [2021-11-23 17:41:18,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@225fcf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:18, skipping insertion in model container [2021-11-23 17:41:18,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:41:18" (1/1) ... [2021-11-23 17:41:18,085 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:41:18,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:41:18,731 WARN L1533 CHandler]: Possible shadowing of function thread [2021-11-23 17:41:18,748 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_1be49c61-8ed2-496c-92fb-8afa81aba73d/sv-benchmarks/c/pthread-deagle/floating_read-15.i[31197,31210] [2021-11-23 17:41:18,757 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:41:18,784 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:41:18,861 WARN L1533 CHandler]: Possible shadowing of function thread [2021-11-23 17:41:18,865 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_1be49c61-8ed2-496c-92fb-8afa81aba73d/sv-benchmarks/c/pthread-deagle/floating_read-15.i[31197,31210] [2021-11-23 17:41:18,867 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:41:18,929 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:41:18,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:18 WrapperNode [2021-11-23 17:41:18,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:41:18,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:41:18,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:41:18,931 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:41:18,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:18" (1/1) ... [2021-11-23 17:41:18,980 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:18" (1/1) ... [2021-11-23 17:41:19,003 INFO L137 Inliner]: procedures = 165, calls = 17, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53 [2021-11-23 17:41:19,003 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:41:19,004 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:41:19,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:41:19,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:41:19,015 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:18" (1/1) ... [2021-11-23 17:41:19,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:18" (1/1) ... [2021-11-23 17:41:19,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:18" (1/1) ... [2021-11-23 17:41:19,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:18" (1/1) ... [2021-11-23 17:41:19,040 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:18" (1/1) ... [2021-11-23 17:41:19,045 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:18" (1/1) ... [2021-11-23 17:41:19,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:18" (1/1) ... [2021-11-23 17:41:19,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:41:19,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:41:19,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:41:19,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:41:19,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:18" (1/1) ... [2021-11-23 17:41:19,089 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:41:19,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be49c61-8ed2-496c-92fb-8afa81aba73d/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:41:19,121 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be49c61-8ed2-496c-92fb-8afa81aba73d/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:41:19,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be49c61-8ed2-496c-92fb-8afa81aba73d/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:41:19,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 17:41:19,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 17:41:19,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:41:19,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:41:19,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:41:19,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 17:41:19,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:41:19,200 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2021-11-23 17:41:19,200 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2021-11-23 17:41:19,201 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 17:41:19,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:41:19,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:41:19,203 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 17:41:19,385 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:41:19,392 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:41:19,668 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:41:19,675 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:41:19,675 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 17:41:19,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:41:19 BoogieIcfgContainer [2021-11-23 17:41:19,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:41:19,680 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:41:19,681 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:41:19,690 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:41:19,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:41:18" (1/3) ... [2021-11-23 17:41:19,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@684379ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:41:19, skipping insertion in model container [2021-11-23 17:41:19,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:18" (2/3) ... [2021-11-23 17:41:19,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@684379ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:41:19, skipping insertion in model container [2021-11-23 17:41:19,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:41:19" (3/3) ... [2021-11-23 17:41:19,694 INFO L111 eAbstractionObserver]: Analyzing ICFG floating_read-15.i [2021-11-23 17:41:19,701 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-23 17:41:19,702 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:41:19,702 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:41:19,702 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-23 17:41:19,747 WARN L322 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:41:19,748 WARN L322 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:41:19,748 WARN L322 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:41:19,748 WARN L322 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:41:19,751 WARN L322 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:41:19,751 WARN L322 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:41:19,751 WARN L322 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:41:19,751 WARN L322 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:41:19,752 WARN L322 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:41:19,752 WARN L322 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:41:19,752 WARN L322 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~thread~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:41:19,752 WARN L322 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:41:19,753 WARN L322 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:41:19,753 WARN L322 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~thread~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:41:19,753 WARN L322 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~thread~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:41:19,754 WARN L322 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~thread~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:41:19,754 WARN L322 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:41:19,755 WARN L322 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:41:19,755 WARN L322 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:41:19,756 WARN L322 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:41:19,757 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.connectThreadInstances(ThreadInstanceAdder.java:116) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.IcfgPetrifier.(IcfgPetrifier.java:136) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.petrify(TraceAbstractionStarter.java:514) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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 17:41:19,765 INFO L158 Benchmark]: Toolchain (without parser) took 1702.50ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 27.6MB in the beginning and 36.8MB in the end (delta: -9.2MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2021-11-23 17:41:19,767 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 52.4MB. Free memory is still 33.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:41:19,769 INFO L158 Benchmark]: CACSL2BoogieTranslator took 864.41ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 27.4MB in the beginning and 40.1MB in the end (delta: -12.7MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2021-11-23 17:41:19,769 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.56ms. Allocated memory is still 67.1MB. Free memory was 39.9MB in the beginning and 38.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:41:19,770 INFO L158 Benchmark]: Boogie Preprocessor took 66.87ms. Allocated memory is still 67.1MB. Free memory was 38.0MB in the beginning and 36.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:41:19,771 INFO L158 Benchmark]: RCFGBuilder took 606.73ms. Allocated memory is still 67.1MB. Free memory was 36.3MB in the beginning and 40.5MB in the end (delta: -4.2MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2021-11-23 17:41:19,773 INFO L158 Benchmark]: TraceAbstraction took 80.79ms. Allocated memory is still 67.1MB. Free memory was 40.1MB in the beginning and 36.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:41:19,784 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 52.4MB. Free memory is still 33.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 864.41ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 27.4MB in the beginning and 40.1MB in the end (delta: -12.7MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.56ms. Allocated memory is still 67.1MB. Free memory was 39.9MB in the beginning and 38.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.87ms. Allocated memory is still 67.1MB. Free memory was 38.0MB in the beginning and 36.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 606.73ms. Allocated memory is still 67.1MB. Free memory was 36.3MB in the beginning and 40.5MB in the end (delta: -4.2MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * TraceAbstraction took 80.79ms. Allocated memory is still 67.1MB. Free memory was 40.1MB in the beginning and 36.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:41:19,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1be49c61-8ed2-496c-92fb-8afa81aba73d/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