./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.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_026b02b0-b66c-4f19-b571-f748326fd16f/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026b02b0-b66c-4f19-b571-f748326fd16f/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_026b02b0-b66c-4f19-b571-f748326fd16f/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026b02b0-b66c-4f19-b571-f748326fd16f/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026b02b0-b66c-4f19-b571-f748326fd16f/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_026b02b0-b66c-4f19-b571-f748326fd16f/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 6dd4f5b1ff018649ffc6fcf6c400dcf6859c8fbe22bc4e1d68608a723e1e2f9d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:21:42,977 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:21:42,981 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:21:43,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:21:43,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:21:43,050 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:21:43,052 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:21:43,056 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:21:43,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:21:43,066 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:21:43,068 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:21:43,070 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:21:43,070 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:21:43,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:21:43,075 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:21:43,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:21:43,084 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:21:43,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:21:43,089 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:21:43,096 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:21:43,099 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:21:43,100 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:21:43,104 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:21:43,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:21:43,111 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:21:43,112 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:21:43,112 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:21:43,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:21:43,115 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:21:43,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:21:43,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:21:43,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:21:43,120 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:21:43,122 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:21:43,124 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:21:43,124 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:21:43,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:21:43,126 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:21:43,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:21:43,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:21:43,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:21:43,128 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026b02b0-b66c-4f19-b571-f748326fd16f/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:21:43,178 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:21:43,178 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:21:43,179 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:21:43,179 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:21:43,186 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:21:43,187 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:21:43,187 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:21:43,187 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:21:43,187 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:21:43,188 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:21:43,189 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:21:43,189 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:21:43,189 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:21:43,190 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:21:43,190 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:21:43,190 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:21:43,190 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:21:43,191 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:21:43,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:21:43,192 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:21:43,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:21:43,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:21:43,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:21:43,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:21:43,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:21:43,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:21:43,194 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:21:43,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:21:43,195 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:21:43,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:21:43,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:21:43,196 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:21:43,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:21:43,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:21:43,197 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:21:43,197 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:21:43,197 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:21:43,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:21:43,198 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:21:43,198 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:21:43,198 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:21:43,198 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_026b02b0-b66c-4f19-b571-f748326fd16f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026b02b0-b66c-4f19-b571-f748326fd16f/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6dd4f5b1ff018649ffc6fcf6c400dcf6859c8fbe22bc4e1d68608a723e1e2f9d [2021-11-23 17:21:43,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:21:43,529 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:21:43,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:21:43,533 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:21:43,534 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:21:43,535 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026b02b0-b66c-4f19-b571-f748326fd16f/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2021-11-23 17:21:43,611 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026b02b0-b66c-4f19-b571-f748326fd16f/bin/utaipan-fb15Y9Yzbl/data/317fae45e/628135f56f5e419abeabf21655ac1bf8/FLAG959be0905 [2021-11-23 17:21:44,275 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:21:44,275 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026b02b0-b66c-4f19-b571-f748326fd16f/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2021-11-23 17:21:44,294 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026b02b0-b66c-4f19-b571-f748326fd16f/bin/utaipan-fb15Y9Yzbl/data/317fae45e/628135f56f5e419abeabf21655ac1bf8/FLAG959be0905 [2021-11-23 17:21:44,536 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026b02b0-b66c-4f19-b571-f748326fd16f/bin/utaipan-fb15Y9Yzbl/data/317fae45e/628135f56f5e419abeabf21655ac1bf8 [2021-11-23 17:21:44,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:21:44,540 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:21:44,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:21:44,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:21:44,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:21:44,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:21:44" (1/1) ... [2021-11-23 17:21:44,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14e56dc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:44, skipping insertion in model container [2021-11-23 17:21:44,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:21:44" (1/1) ... [2021-11-23 17:21:44,565 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:21:44,620 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:21:44,818 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_026b02b0-b66c-4f19-b571-f748326fd16f/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i[1103,1116] [2021-11-23 17:21:44,963 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:21:44,987 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:21:45,004 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_026b02b0-b66c-4f19-b571-f748326fd16f/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i[1103,1116] [2021-11-23 17:21:45,056 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:21:45,098 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:21:45,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:45 WrapperNode [2021-11-23 17:21:45,099 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:21:45,099 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:21:45,100 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:21:45,100 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:21:45,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:45" (1/1) ... [2021-11-23 17:21:45,136 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:45" (1/1) ... [2021-11-23 17:21:45,165 INFO L137 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2021-11-23 17:21:45,167 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:21:45,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:21:45,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:21:45,168 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:21:45,177 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:45" (1/1) ... [2021-11-23 17:21:45,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:45" (1/1) ... [2021-11-23 17:21:45,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:45" (1/1) ... [2021-11-23 17:21:45,196 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:45" (1/1) ... [2021-11-23 17:21:45,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:45" (1/1) ... [2021-11-23 17:21:45,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:45" (1/1) ... [2021-11-23 17:21:45,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:45" (1/1) ... [2021-11-23 17:21:45,208 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:21:45,209 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:21:45,209 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:21:45,209 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:21:45,210 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:45" (1/1) ... [2021-11-23 17:21:45,222 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:21:45,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026b02b0-b66c-4f19-b571-f748326fd16f/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:21:45,248 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026b02b0-b66c-4f19-b571-f748326fd16f/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:21:45,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026b02b0-b66c-4f19-b571-f748326fd16f/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:21:45,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 17:21:45,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:21:45,290 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 17:21:45,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:21:45,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:21:45,291 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-23 17:21:45,291 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-23 17:21:45,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:21:45,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:21:45,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:21:45,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:21:45,294 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 17:21:45,399 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:21:45,401 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:21:45,557 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:21:45,565 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:21:45,565 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 17:21:45,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:21:45 BoogieIcfgContainer [2021-11-23 17:21:45,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:21:45,569 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:21:45,569 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:21:45,573 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:21:45,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:21:44" (1/3) ... [2021-11-23 17:21:45,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@449ed580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:21:45, skipping insertion in model container [2021-11-23 17:21:45,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:45" (2/3) ... [2021-11-23 17:21:45,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@449ed580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:21:45, skipping insertion in model container [2021-11-23 17:21:45,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:21:45" (3/3) ... [2021-11-23 17:21:45,593 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_pos.i [2021-11-23 17:21:45,599 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-23 17:21:45,599 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:21:45,599 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:21:45,600 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-23 17:21:45,661 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:45,662 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:45,662 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:45,662 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:45,663 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:45,663 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:45,663 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:45,663 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:45,663 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:45,664 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:45,664 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:45,664 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:45,664 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:45,665 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:45,665 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:45,667 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:45,668 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:45,668 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:45,668 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:45,669 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:45,669 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:45,669 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:45,670 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:45,670 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:45,671 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 17:21:45,678 INFO L158 Benchmark]: Toolchain (without parser) took 1136.58ms. Allocated memory is still 98.6MB. Free memory was 56.8MB in the beginning and 46.5MB in the end (delta: 10.3MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2021-11-23 17:21:45,679 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 98.6MB. Free memory was 74.3MB in the beginning and 74.2MB in the end (delta: 86.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:21:45,681 INFO L158 Benchmark]: CACSL2BoogieTranslator took 556.56ms. Allocated memory is still 98.6MB. Free memory was 56.6MB in the beginning and 65.7MB in the end (delta: -9.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:21:45,682 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.32ms. Allocated memory is still 98.6MB. Free memory was 65.4MB in the beginning and 63.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:21:45,683 INFO L158 Benchmark]: Boogie Preprocessor took 40.47ms. Allocated memory is still 98.6MB. Free memory was 63.7MB in the beginning and 62.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:21:45,684 INFO L158 Benchmark]: RCFGBuilder took 358.66ms. Allocated memory is still 98.6MB. Free memory was 62.3MB in the beginning and 50.7MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 17:21:45,685 INFO L158 Benchmark]: TraceAbstraction took 106.92ms. Allocated memory is still 98.6MB. Free memory was 50.0MB in the beginning and 46.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:21:45,691 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 98.6MB. Free memory was 74.3MB in the beginning and 74.2MB in the end (delta: 86.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 556.56ms. Allocated memory is still 98.6MB. Free memory was 56.6MB in the beginning and 65.7MB in the end (delta: -9.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.32ms. Allocated memory is still 98.6MB. Free memory was 65.4MB in the beginning and 63.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.47ms. Allocated memory is still 98.6MB. Free memory was 63.7MB in the beginning and 62.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 358.66ms. Allocated memory is still 98.6MB. Free memory was 62.3MB in the beginning and 50.7MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 106.92ms. Allocated memory is still 98.6MB. Free memory was 50.0MB in the beginning and 46.5MB in the end (delta: 3.5MB). 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 17:21:45,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026b02b0-b66c-4f19-b571-f748326fd16f/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_026b02b0-b66c-4f19-b571-f748326fd16f/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026b02b0-b66c-4f19-b571-f748326fd16f/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_026b02b0-b66c-4f19-b571-f748326fd16f/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026b02b0-b66c-4f19-b571-f748326fd16f/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026b02b0-b66c-4f19-b571-f748326fd16f/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_026b02b0-b66c-4f19-b571-f748326fd16f/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 6dd4f5b1ff018649ffc6fcf6c400dcf6859c8fbe22bc4e1d68608a723e1e2f9d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:21:48,287 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:21:48,289 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:21:48,323 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:21:48,324 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:21:48,325 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:21:48,327 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:21:48,329 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:21:48,331 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:21:48,333 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:21:48,334 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:21:48,337 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:21:48,338 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:21:48,341 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:21:48,343 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:21:48,348 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:21:48,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:21:48,352 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:21:48,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:21:48,357 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:21:48,359 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:21:48,365 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:21:48,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:21:48,371 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:21:48,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:21:48,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:21:48,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:21:48,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:21:48,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:21:48,387 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:21:48,387 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:21:48,388 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:21:48,389 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:21:48,390 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:21:48,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:21:48,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:21:48,408 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:21:48,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:21:48,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:21:48,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:21:48,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:21:48,419 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026b02b0-b66c-4f19-b571-f748326fd16f/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:21:48,447 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:21:48,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:21:48,448 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:21:48,448 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:21:48,449 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:21:48,449 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:21:48,449 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:21:48,450 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:21:48,450 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:21:48,450 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:21:48,450 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:21:48,451 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:21:48,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:21:48,452 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:21:48,452 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:21:48,452 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:21:48,452 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:21:48,453 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:21:48,453 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:21:48,453 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:21:48,453 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:21:48,454 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:21:48,454 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:21:48,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:21:48,454 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:21:48,454 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:21:48,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:21:48,455 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:21:48,455 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:21:48,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:21:48,456 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:21:48,456 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:21:48,456 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:21:48,456 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:21:48,457 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:21:48,457 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:21:48,457 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:21:48,457 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:21:48,458 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_026b02b0-b66c-4f19-b571-f748326fd16f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026b02b0-b66c-4f19-b571-f748326fd16f/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6dd4f5b1ff018649ffc6fcf6c400dcf6859c8fbe22bc4e1d68608a723e1e2f9d [2021-11-23 17:21:48,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:21:48,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:21:48,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:21:48,834 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:21:48,835 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:21:48,836 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026b02b0-b66c-4f19-b571-f748326fd16f/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2021-11-23 17:21:48,917 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026b02b0-b66c-4f19-b571-f748326fd16f/bin/utaipan-fb15Y9Yzbl/data/39ba4ddf6/a7c6930cfd594076844e2e7b7fcf5e1d/FLAGabb1379ab [2021-11-23 17:21:49,561 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:21:49,562 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026b02b0-b66c-4f19-b571-f748326fd16f/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2021-11-23 17:21:49,577 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026b02b0-b66c-4f19-b571-f748326fd16f/bin/utaipan-fb15Y9Yzbl/data/39ba4ddf6/a7c6930cfd594076844e2e7b7fcf5e1d/FLAGabb1379ab [2021-11-23 17:21:49,792 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026b02b0-b66c-4f19-b571-f748326fd16f/bin/utaipan-fb15Y9Yzbl/data/39ba4ddf6/a7c6930cfd594076844e2e7b7fcf5e1d [2021-11-23 17:21:49,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:21:49,796 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:21:49,797 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:21:49,797 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:21:49,806 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:21:49,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:21:49" (1/1) ... [2021-11-23 17:21:49,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12117f45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:49, skipping insertion in model container [2021-11-23 17:21:49,809 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:21:49" (1/1) ... [2021-11-23 17:21:49,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:21:49,889 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:21:50,089 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_026b02b0-b66c-4f19-b571-f748326fd16f/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i[1103,1116] [2021-11-23 17:21:50,342 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:21:50,362 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:21:50,379 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_026b02b0-b66c-4f19-b571-f748326fd16f/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i[1103,1116] [2021-11-23 17:21:50,432 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:21:50,497 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:21:50,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:50 WrapperNode [2021-11-23 17:21:50,498 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:21:50,499 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:21:50,499 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:21:50,499 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:21:50,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:50" (1/1) ... [2021-11-23 17:21:50,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:50" (1/1) ... [2021-11-23 17:21:50,570 INFO L137 Inliner]: procedures = 166, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50 [2021-11-23 17:21:50,571 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:21:50,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:21:50,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:21:50,573 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:21:50,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:50" (1/1) ... [2021-11-23 17:21:50,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:50" (1/1) ... [2021-11-23 17:21:50,595 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:50" (1/1) ... [2021-11-23 17:21:50,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:50" (1/1) ... [2021-11-23 17:21:50,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:50" (1/1) ... [2021-11-23 17:21:50,605 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:50" (1/1) ... [2021-11-23 17:21:50,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:50" (1/1) ... [2021-11-23 17:21:50,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:21:50,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:21:50,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:21:50,625 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:21:50,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:50" (1/1) ... [2021-11-23 17:21:50,639 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:21:50,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026b02b0-b66c-4f19-b571-f748326fd16f/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:21:50,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026b02b0-b66c-4f19-b571-f748326fd16f/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:21:50,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026b02b0-b66c-4f19-b571-f748326fd16f/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:21:50,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 17:21:50,717 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 17:21:50,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:21:50,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:21:50,720 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-23 17:21:50,720 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-23 17:21:50,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:21:50,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 17:21:50,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:21:50,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 17:21:50,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:21:50,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:21:50,723 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 17:21:50,875 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:21:50,877 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:21:51,105 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:21:51,131 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:21:51,132 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 17:21:51,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:21:51 BoogieIcfgContainer [2021-11-23 17:21:51,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:21:51,137 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:21:51,138 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:21:51,141 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:21:51,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:21:49" (1/3) ... [2021-11-23 17:21:51,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49bb6144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:21:51, skipping insertion in model container [2021-11-23 17:21:51,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:50" (2/3) ... [2021-11-23 17:21:51,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49bb6144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:21:51, skipping insertion in model container [2021-11-23 17:21:51,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:21:51" (3/3) ... [2021-11-23 17:21:51,148 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_pos.i [2021-11-23 17:21:51,155 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-23 17:21:51,155 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:21:51,155 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:21:51,156 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-23 17:21:51,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:51,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:51,197 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:51,198 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:51,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:51,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:51,201 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:51,201 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:51,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:51,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:51,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:51,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:51,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:51,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:51,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:51,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:51,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:51,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:51,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:51,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:51,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:51,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:51,209 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:51,209 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:21:51,210 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 17:21:51,217 INFO L158 Benchmark]: Toolchain (without parser) took 1419.71ms. Allocated memory is still 69.2MB. Free memory was 52.5MB in the beginning and 47.3MB in the end (delta: 5.1MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2021-11-23 17:21:51,219 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 69.2MB. Free memory is still 50.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:21:51,220 INFO L158 Benchmark]: CACSL2BoogieTranslator took 700.87ms. Allocated memory is still 69.2MB. Free memory was 52.3MB in the beginning and 43.9MB in the end (delta: 8.4MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2021-11-23 17:21:51,221 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.13ms. Allocated memory is still 69.2MB. Free memory was 43.9MB in the beginning and 41.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:21:51,222 INFO L158 Benchmark]: Boogie Preprocessor took 52.38ms. Allocated memory is still 69.2MB. Free memory was 41.8MB in the beginning and 40.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:21:51,223 INFO L158 Benchmark]: RCFGBuilder took 510.58ms. Allocated memory is still 69.2MB. Free memory was 40.2MB in the beginning and 51.9MB in the end (delta: -11.6MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2021-11-23 17:21:51,224 INFO L158 Benchmark]: TraceAbstraction took 77.33ms. Allocated memory is still 69.2MB. Free memory was 51.2MB in the beginning and 47.7MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:21:51,234 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 69.2MB. Free memory is still 50.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 700.87ms. Allocated memory is still 69.2MB. Free memory was 52.3MB in the beginning and 43.9MB in the end (delta: 8.4MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.13ms. Allocated memory is still 69.2MB. Free memory was 43.9MB in the beginning and 41.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.38ms. Allocated memory is still 69.2MB. Free memory was 41.8MB in the beginning and 40.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 510.58ms. Allocated memory is still 69.2MB. Free memory was 40.2MB in the beginning and 51.9MB in the end (delta: -11.6MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * TraceAbstraction took 77.33ms. Allocated memory is still 69.2MB. Free memory was 51.2MB in the beginning and 47.7MB in the end (delta: 3.6MB). 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 17:21:51,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026b02b0-b66c-4f19-b571-f748326fd16f/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