./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix037_tso.oepc.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_7d874e98-adea-4733-b53f-8553fda76bf1/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d874e98-adea-4733-b53f-8553fda76bf1/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_7d874e98-adea-4733-b53f-8553fda76bf1/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d874e98-adea-4733-b53f-8553fda76bf1/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix037_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d874e98-adea-4733-b53f-8553fda76bf1/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_7d874e98-adea-4733-b53f-8553fda76bf1/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 526eb61a43a151355b0c30c3cdf9498dba5b0f807210313241440694b1deb106 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:41:43,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:41:43,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:41:43,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:41:43,816 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:41:43,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:41:43,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:41:43,826 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:41:43,829 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:41:43,835 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:41:43,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:41:43,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:41:43,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:41:43,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:41:43,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:41:43,849 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:41:43,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:41:43,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:41:43,854 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:41:43,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:41:43,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:41:43,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:41:43,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:41:43,876 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:41:43,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:41:43,886 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:41:43,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:41:43,889 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:41:43,890 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:41:43,892 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:41:43,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:41:43,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:41:43,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:41:43,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:41:43,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:41:43,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:41:43,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:41:43,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:41:43,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:41:43,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:41:43,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:41:43,903 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d874e98-adea-4733-b53f-8553fda76bf1/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:41:43,950 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:41:43,950 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:41:43,951 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:41:43,951 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:41:43,952 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:41:43,952 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:41:43,958 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:41:43,958 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:41:43,958 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:41:43,958 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:41:43,960 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:41:43,960 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:41:43,960 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:41:43,960 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:41:43,960 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:41:43,961 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:41:43,961 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:41:43,961 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:41:43,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:41:43,962 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:41:43,962 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:41:43,962 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:41:43,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:41:43,963 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:41:43,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:41:43,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:41:43,965 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:41:43,966 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:41:43,966 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:41:43,966 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:41:43,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:41:43,967 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:41:43,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:41:43,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:41:43,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:41:43,967 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:41:43,968 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:41:43,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:41:43,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:41:43,968 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:41:43,968 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:41:43,968 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_7d874e98-adea-4733-b53f-8553fda76bf1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d874e98-adea-4733-b53f-8553fda76bf1/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 526eb61a43a151355b0c30c3cdf9498dba5b0f807210313241440694b1deb106 [2021-11-23 17:41:44,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:41:44,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:41:44,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:41:44,331 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:41:44,331 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:41:44,333 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d874e98-adea-4733-b53f-8553fda76bf1/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-wmm/mix037_tso.oepc.i [2021-11-23 17:41:44,411 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d874e98-adea-4733-b53f-8553fda76bf1/bin/utaipan-fb15Y9Yzbl/data/9ff749331/0f3f10e8fe4f4e78ab69ec0ae93079b0/FLAG3dffc60b3 [2021-11-23 17:41:45,141 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:41:45,146 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d874e98-adea-4733-b53f-8553fda76bf1/sv-benchmarks/c/pthread-wmm/mix037_tso.oepc.i [2021-11-23 17:41:45,176 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d874e98-adea-4733-b53f-8553fda76bf1/bin/utaipan-fb15Y9Yzbl/data/9ff749331/0f3f10e8fe4f4e78ab69ec0ae93079b0/FLAG3dffc60b3 [2021-11-23 17:41:45,364 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d874e98-adea-4733-b53f-8553fda76bf1/bin/utaipan-fb15Y9Yzbl/data/9ff749331/0f3f10e8fe4f4e78ab69ec0ae93079b0 [2021-11-23 17:41:45,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:41:45,369 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:41:45,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:41:45,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:41:45,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:41:45,376 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:41:45" (1/1) ... [2021-11-23 17:41:45,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35f82776 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:45, skipping insertion in model container [2021-11-23 17:41:45,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:41:45" (1/1) ... [2021-11-23 17:41:45,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:41:45,450 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:41:45,656 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_7d874e98-adea-4733-b53f-8553fda76bf1/sv-benchmarks/c/pthread-wmm/mix037_tso.oepc.i[949,962] [2021-11-23 17:41:45,942 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:41:45,951 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:41:45,973 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_7d874e98-adea-4733-b53f-8553fda76bf1/sv-benchmarks/c/pthread-wmm/mix037_tso.oepc.i[949,962] [2021-11-23 17:41:46,059 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:41:46,111 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:41:46,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:46 WrapperNode [2021-11-23 17:41:46,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:41:46,113 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:41:46,114 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:41:46,114 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:41:46,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:46" (1/1) ... [2021-11-23 17:41:46,169 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:46" (1/1) ... [2021-11-23 17:41:46,236 INFO L137 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 293 [2021-11-23 17:41:46,236 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:41:46,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:41:46,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:41:46,237 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:41:46,249 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:46" (1/1) ... [2021-11-23 17:41:46,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:46" (1/1) ... [2021-11-23 17:41:46,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:46" (1/1) ... [2021-11-23 17:41:46,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:46" (1/1) ... [2021-11-23 17:41:46,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:46" (1/1) ... [2021-11-23 17:41:46,301 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:46" (1/1) ... [2021-11-23 17:41:46,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:46" (1/1) ... [2021-11-23 17:41:46,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:41:46,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:41:46,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:41:46,310 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:41:46,325 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:46" (1/1) ... [2021-11-23 17:41:46,338 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:41:46,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d874e98-adea-4733-b53f-8553fda76bf1/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:41:46,370 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d874e98-adea-4733-b53f-8553fda76bf1/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:41:46,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d874e98-adea-4733-b53f-8553fda76bf1/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:41:46,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:41:46,432 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 17:41:46,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:41:46,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:41:46,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:41:46,432 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 17:41:46,433 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 17:41:46,433 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 17:41:46,433 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 17:41:46,433 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 17:41:46,433 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 17:41:46,433 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-11-23 17:41:46,433 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-11-23 17:41:46,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:41:46,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 17:41:46,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:41:46,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:41:46,436 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 17:41:46,599 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:41:46,601 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:41:47,386 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:41:47,516 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 17:41:47,523 INFO L158 Benchmark]: Toolchain (without parser) took 2151.93ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 56.5MB in the beginning and 78.7MB in the end (delta: -22.2MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2021-11-23 17:41:47,524 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 100.7MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:41:47,526 INFO L158 Benchmark]: CACSL2BoogieTranslator took 741.42ms. Allocated memory is still 100.7MB. Free memory was 56.3MB in the beginning and 59.6MB in the end (delta: -3.3MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2021-11-23 17:41:47,527 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.88ms. Allocated memory is still 100.7MB. Free memory was 59.6MB in the beginning and 56.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:41:47,529 INFO L158 Benchmark]: Boogie Preprocessor took 71.68ms. Allocated memory is still 100.7MB. Free memory was 56.5MB in the beginning and 53.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:41:47,530 INFO L158 Benchmark]: RCFGBuilder took 1210.56ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 53.8MB in the beginning and 78.7MB in the end (delta: -24.9MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2021-11-23 17:41:47,539 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 100.7MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 741.42ms. Allocated memory is still 100.7MB. Free memory was 56.3MB in the beginning and 59.6MB in the end (delta: -3.3MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 122.88ms. Allocated memory is still 100.7MB. Free memory was 59.6MB in the beginning and 56.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.68ms. Allocated memory is still 100.7MB. Free memory was 56.5MB in the beginning and 53.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1210.56ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 53.8MB in the beginning and 78.7MB in the end (delta: -24.9MB). Peak memory consumption was 27.8MB. 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 17:41:47,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d874e98-adea-4733-b53f-8553fda76bf1/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_7d874e98-adea-4733-b53f-8553fda76bf1/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d874e98-adea-4733-b53f-8553fda76bf1/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_7d874e98-adea-4733-b53f-8553fda76bf1/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d874e98-adea-4733-b53f-8553fda76bf1/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix037_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d874e98-adea-4733-b53f-8553fda76bf1/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_7d874e98-adea-4733-b53f-8553fda76bf1/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 526eb61a43a151355b0c30c3cdf9498dba5b0f807210313241440694b1deb106 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:41:50,181 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:41:50,183 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:41:50,245 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:41:50,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:41:50,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:41:50,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:41:50,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:41:50,260 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:41:50,268 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:41:50,269 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:41:50,271 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:41:50,271 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:41:50,274 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:41:50,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:41:50,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:41:50,284 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:41:50,285 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:41:50,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:41:50,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:41:50,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:41:50,301 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:41:50,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:41:50,306 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:41:50,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:41:50,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:41:50,316 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:41:50,318 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:41:50,319 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:41:50,320 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:41:50,320 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:41:50,321 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:41:50,323 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:41:50,324 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:41:50,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:41:50,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:41:50,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:41:50,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:41:50,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:41:50,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:41:50,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:41:50,331 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d874e98-adea-4733-b53f-8553fda76bf1/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:41:50,372 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:41:50,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:41:50,373 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:41:50,373 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:41:50,374 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:41:50,375 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:41:50,375 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:41:50,375 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:41:50,375 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:41:50,375 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:41:50,377 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:41:50,377 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:41:50,378 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:41:50,379 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:41:50,379 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:41:50,379 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:41:50,379 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:41:50,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:41:50,380 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:41:50,380 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:41:50,380 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:41:50,381 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:41:50,381 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:41:50,381 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:41:50,381 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:41:50,381 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:41:50,382 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:41:50,382 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:41:50,382 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:41:50,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:41:50,383 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:41:50,383 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:41:50,384 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:41:50,384 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:41:50,384 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:41:50,384 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:41:50,385 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:41:50,385 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:41:50,385 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_7d874e98-adea-4733-b53f-8553fda76bf1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d874e98-adea-4733-b53f-8553fda76bf1/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 526eb61a43a151355b0c30c3cdf9498dba5b0f807210313241440694b1deb106 [2021-11-23 17:41:50,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:41:50,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:41:50,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:41:50,876 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:41:50,878 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:41:50,879 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d874e98-adea-4733-b53f-8553fda76bf1/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-wmm/mix037_tso.oepc.i [2021-11-23 17:41:50,963 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d874e98-adea-4733-b53f-8553fda76bf1/bin/utaipan-fb15Y9Yzbl/data/3c358d172/f8bbdddda9924128a9b08c3ddfdf8e54/FLAG3bfd9b4eb [2021-11-23 17:41:51,756 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:41:51,757 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d874e98-adea-4733-b53f-8553fda76bf1/sv-benchmarks/c/pthread-wmm/mix037_tso.oepc.i [2021-11-23 17:41:51,773 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d874e98-adea-4733-b53f-8553fda76bf1/bin/utaipan-fb15Y9Yzbl/data/3c358d172/f8bbdddda9924128a9b08c3ddfdf8e54/FLAG3bfd9b4eb [2021-11-23 17:41:51,940 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d874e98-adea-4733-b53f-8553fda76bf1/bin/utaipan-fb15Y9Yzbl/data/3c358d172/f8bbdddda9924128a9b08c3ddfdf8e54 [2021-11-23 17:41:51,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:41:51,944 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:41:51,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:41:51,962 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:41:51,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:41:51,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:41:51" (1/1) ... [2021-11-23 17:41:51,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22b7f8a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:51, skipping insertion in model container [2021-11-23 17:41:51,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:41:51" (1/1) ... [2021-11-23 17:41:51,977 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:41:52,039 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:41:52,236 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_7d874e98-adea-4733-b53f-8553fda76bf1/sv-benchmarks/c/pthread-wmm/mix037_tso.oepc.i[949,962] [2021-11-23 17:41:52,612 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:41:52,630 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:41:52,647 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_7d874e98-adea-4733-b53f-8553fda76bf1/sv-benchmarks/c/pthread-wmm/mix037_tso.oepc.i[949,962] [2021-11-23 17:41:52,739 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:41:52,801 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:41:52,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:52 WrapperNode [2021-11-23 17:41:52,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:41:52,803 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:41:52,803 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:41:52,803 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:41:52,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:52" (1/1) ... [2021-11-23 17:41:52,835 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:52" (1/1) ... [2021-11-23 17:41:52,871 INFO L137 Inliner]: procedures = 180, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 294 [2021-11-23 17:41:52,871 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:41:52,872 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:41:52,872 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:41:52,873 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:41:52,882 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:52" (1/1) ... [2021-11-23 17:41:52,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:52" (1/1) ... [2021-11-23 17:41:52,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:52" (1/1) ... [2021-11-23 17:41:52,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:52" (1/1) ... [2021-11-23 17:41:52,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:52" (1/1) ... [2021-11-23 17:41:52,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:52" (1/1) ... [2021-11-23 17:41:52,941 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:52" (1/1) ... [2021-11-23 17:41:52,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:41:52,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:41:52,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:41:52,959 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:41:52,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:52" (1/1) ... [2021-11-23 17:41:52,989 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:41:53,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d874e98-adea-4733-b53f-8553fda76bf1/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:41:53,015 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d874e98-adea-4733-b53f-8553fda76bf1/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:41:53,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d874e98-adea-4733-b53f-8553fda76bf1/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:41:53,067 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 17:41:53,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:41:53,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:41:53,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:41:53,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 17:41:53,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:41:53,070 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 17:41:53,070 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 17:41:53,071 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 17:41:53,071 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 17:41:53,071 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 17:41:53,071 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 17:41:53,071 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-11-23 17:41:53,071 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-11-23 17:41:53,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 17:41:53,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:41:53,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:41:53,074 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 17:41:53,315 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:41:53,317 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:41:54,042 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:41:54,173 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 17:41:54,182 INFO L158 Benchmark]: Toolchain (without parser) took 2235.00ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 36.4MB in the beginning and 46.1MB in the end (delta: -9.7MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2021-11-23 17:41:54,184 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 60.8MB. Free memory was 41.3MB in the beginning and 41.3MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:41:54,186 INFO L158 Benchmark]: CACSL2BoogieTranslator took 840.08ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 36.2MB in the beginning and 48.0MB in the end (delta: -11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 17:41:54,186 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.58ms. Allocated memory is still 79.7MB. Free memory was 48.0MB in the beginning and 45.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:41:54,188 INFO L158 Benchmark]: Boogie Preprocessor took 85.83ms. Allocated memory is still 79.7MB. Free memory was 45.0MB in the beginning and 42.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:41:54,189 INFO L158 Benchmark]: RCFGBuilder took 1219.80ms. Allocated memory is still 79.7MB. Free memory was 42.3MB in the beginning and 46.1MB in the end (delta: -3.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 17:41:54,200 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 60.8MB. Free memory was 41.3MB in the beginning and 41.3MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 840.08ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 36.2MB in the beginning and 48.0MB in the end (delta: -11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.58ms. Allocated memory is still 79.7MB. Free memory was 48.0MB in the beginning and 45.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.83ms. Allocated memory is still 79.7MB. Free memory was 45.0MB in the beginning and 42.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1219.80ms. Allocated memory is still 79.7MB. Free memory was 42.3MB in the beginning and 46.1MB in the end (delta: -3.8MB). 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 17:41:54,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d874e98-adea-4733-b53f-8553fda76bf1/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable