./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6294f4e0-d1ef-427b-8e3a-a111d7ec53e3/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6294f4e0-d1ef-427b-8e3a-a111d7ec53e3/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6294f4e0-d1ef-427b-8e3a-a111d7ec53e3/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6294f4e0-d1ef-427b-8e3a-a111d7ec53e3/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6294f4e0-d1ef-427b-8e3a-a111d7ec53e3/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6294f4e0-d1ef-427b-8e3a-a111d7ec53e3/bin/uautomizer-tPACEb0tL8 --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4fac19196210fd8dde96f5954c583dd6bd52f0c23546782896f7a0038bedd43c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:35:59,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:35:59,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:35:59,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:35:59,261 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:35:59,262 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:35:59,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:35:59,265 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:35:59,269 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:35:59,274 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:35:59,275 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:35:59,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:35:59,277 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:35:59,279 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:35:59,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:35:59,282 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:35:59,283 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:35:59,284 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:35:59,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:35:59,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:35:59,289 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:35:59,291 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:35:59,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:35:59,293 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:35:59,297 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:35:59,297 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:35:59,298 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:35:59,299 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:35:59,299 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:35:59,300 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:35:59,301 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:35:59,302 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:35:59,303 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:35:59,303 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:35:59,305 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:35:59,305 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:35:59,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:35:59,306 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:35:59,306 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:35:59,307 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:35:59,308 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:35:59,309 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6294f4e0-d1ef-427b-8e3a-a111d7ec53e3/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 11:35:59,331 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:35:59,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:35:59,332 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:35:59,332 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:35:59,333 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:35:59,333 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:35:59,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:35:59,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:35:59,334 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:35:59,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:35:59,334 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:35:59,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:35:59,335 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:35:59,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:35:59,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:35:59,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:35:59,336 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:35:59,336 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:35:59,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:35:59,336 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:35:59,337 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:35:59,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:35:59,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:35:59,337 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:35:59,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:35:59,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:35:59,338 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:35:59,338 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:35:59,339 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:35:59,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:35:59,339 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:35:59,339 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:35:59,340 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:35:59,340 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6294f4e0-d1ef-427b-8e3a-a111d7ec53e3/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6294f4e0-d1ef-427b-8e3a-a111d7ec53e3/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fac19196210fd8dde96f5954c583dd6bd52f0c23546782896f7a0038bedd43c [2022-11-16 11:35:59,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:35:59,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:35:59,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:35:59,651 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:35:59,652 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:35:59,653 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6294f4e0-d1ef-427b-8e3a-a111d7ec53e3/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2022-11-16 11:35:59,743 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6294f4e0-d1ef-427b-8e3a-a111d7ec53e3/bin/uautomizer-tPACEb0tL8/data/f365ad8ca/8afa8edc0e5249b08ed89550d284cc30/FLAGf4acbce02 [2022-11-16 11:36:00,344 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:36:00,349 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6294f4e0-d1ef-427b-8e3a-a111d7ec53e3/sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2022-11-16 11:36:00,366 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6294f4e0-d1ef-427b-8e3a-a111d7ec53e3/bin/uautomizer-tPACEb0tL8/data/f365ad8ca/8afa8edc0e5249b08ed89550d284cc30/FLAGf4acbce02 [2022-11-16 11:36:00,596 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6294f4e0-d1ef-427b-8e3a-a111d7ec53e3/bin/uautomizer-tPACEb0tL8/data/f365ad8ca/8afa8edc0e5249b08ed89550d284cc30 [2022-11-16 11:36:00,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:36:00,604 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:36:00,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:36:00,607 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:36:00,611 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:36:00,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:36:00" (1/1) ... [2022-11-16 11:36:00,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dd428a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:00, skipping insertion in model container [2022-11-16 11:36:00,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:36:00" (1/1) ... [2022-11-16 11:36:00,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:36:00,675 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:36:00,928 WARN L229 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_6294f4e0-d1ef-427b-8e3a-a111d7ec53e3/sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i[1097,1110] [2022-11-16 11:36:01,062 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:36:01,079 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:36:01,095 WARN L229 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_6294f4e0-d1ef-427b-8e3a-a111d7ec53e3/sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i[1097,1110] [2022-11-16 11:36:01,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:36:01,192 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:36:01,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:01 WrapperNode [2022-11-16 11:36:01,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:36:01,195 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:36:01,195 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:36:01,195 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:36:01,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:01" (1/1) ... [2022-11-16 11:36:01,215 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:01" (1/1) ... [2022-11-16 11:36:01,239 INFO L138 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2022-11-16 11:36:01,240 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:36:01,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:36:01,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:36:01,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:36:01,250 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:01" (1/1) ... [2022-11-16 11:36:01,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:01" (1/1) ... [2022-11-16 11:36:01,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:01" (1/1) ... [2022-11-16 11:36:01,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:01" (1/1) ... [2022-11-16 11:36:01,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:01" (1/1) ... [2022-11-16 11:36:01,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:01" (1/1) ... [2022-11-16 11:36:01,273 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:01" (1/1) ... [2022-11-16 11:36:01,274 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:01" (1/1) ... [2022-11-16 11:36:01,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:36:01,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:36:01,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:36:01,277 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:36:01,292 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:01" (1/1) ... [2022-11-16 11:36:01,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:36:01,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6294f4e0-d1ef-427b-8e3a-a111d7ec53e3/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:36:01,324 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6294f4e0-d1ef-427b-8e3a-a111d7ec53e3/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:36:01,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6294f4e0-d1ef-427b-8e3a-a111d7ec53e3/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:36:01,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:36:01,386 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-16 11:36:01,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:36:01,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:36:01,386 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-16 11:36:01,387 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-16 11:36:01,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:36:01,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:36:01,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:36:01,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:36:01,389 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 11:36:01,549 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:36:01,551 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:36:01,695 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:36:01,702 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:36:01,702 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 11:36:01,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:36:01 BoogieIcfgContainer [2022-11-16 11:36:01,705 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:36:01,708 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:36:01,708 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:36:01,713 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:36:01,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:36:00" (1/3) ... [2022-11-16 11:36:01,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@501e50cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:36:01, skipping insertion in model container [2022-11-16 11:36:01,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:01" (2/3) ... [2022-11-16 11:36:01,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@501e50cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:36:01, skipping insertion in model container [2022-11-16 11:36:01,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:36:01" (3/3) ... [2022-11-16 11:36:01,717 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_neg.i [2022-11-16 11:36:01,726 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 11:36:01,737 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:36:01,738 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:36:01,738 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 11:36:01,794 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-16 11:36:01,850 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 69 places, 66 transitions, 137 flow [2022-11-16 11:36:01,894 INFO L130 PetriNetUnfolder]: 1/65 cut-off events. [2022-11-16 11:36:01,894 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:36:01,898 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 65 events. 1/65 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 26 event pairs, 0 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 33. Up to 2 conditions per place. [2022-11-16 11:36:01,899 INFO L82 GeneralOperation]: Start removeDead. Operand has 69 places, 66 transitions, 137 flow [2022-11-16 11:36:01,903 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 59 places, 55 transitions, 113 flow [2022-11-16 11:36:01,912 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:36:01,918 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3018d1a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:36:01,919 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-16 11:36:01,938 INFO L130 PetriNetUnfolder]: 0/54 cut-off events. [2022-11-16 11:36:01,938 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:36:01,938 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:36:01,939 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:36:01,940 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 11:36:01,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:36:01,945 INFO L85 PathProgramCache]: Analyzing trace with hash 291641303, now seen corresponding path program 1 times [2022-11-16 11:36:01,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:36:01,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702573876] [2022-11-16 11:36:01,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:36:01,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:36:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:36:02,137 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:36:02,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:36:02,226 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:36:02,228 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 11:36:02,230 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-11-16 11:36:02,232 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-11-16 11:36:02,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:36:02,233 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-16 11:36:02,240 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 11:36:02,240 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:36:02,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:36:02 BasicIcfg [2022-11-16 11:36:02,283 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:36:02,283 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:36:02,284 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:36:02,284 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:36:02,284 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:36:01" (3/4) ... [2022-11-16 11:36:02,286 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-16 11:36:02,353 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6294f4e0-d1ef-427b-8e3a-a111d7ec53e3/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:36:02,355 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:36:02,356 INFO L158 Benchmark]: Toolchain (without parser) took 1752.21ms. Allocated memory is still 134.2MB. Free memory was 95.6MB in the beginning and 105.9MB in the end (delta: -10.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:36:02,357 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 134.2MB. Free memory is still 113.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:36:02,357 INFO L158 Benchmark]: CACSL2BoogieTranslator took 586.85ms. Allocated memory is still 134.2MB. Free memory was 95.3MB in the beginning and 100.2MB in the end (delta: -4.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:36:02,358 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.31ms. Allocated memory is still 134.2MB. Free memory was 100.2MB in the beginning and 98.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:36:02,359 INFO L158 Benchmark]: Boogie Preprocessor took 35.41ms. Allocated memory is still 134.2MB. Free memory was 98.1MB in the beginning and 96.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:36:02,359 INFO L158 Benchmark]: RCFGBuilder took 427.84ms. Allocated memory is still 134.2MB. Free memory was 96.8MB in the beginning and 84.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 11:36:02,360 INFO L158 Benchmark]: TraceAbstraction took 575.15ms. Allocated memory is still 134.2MB. Free memory was 83.4MB in the beginning and 109.2MB in the end (delta: -25.8MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2022-11-16 11:36:02,360 INFO L158 Benchmark]: Witness Printer took 71.80ms. Allocated memory is still 134.2MB. Free memory was 109.2MB in the beginning and 105.9MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:36:02,368 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 134.2MB. Free memory is still 113.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 586.85ms. Allocated memory is still 134.2MB. Free memory was 95.3MB in the beginning and 100.2MB in the end (delta: -4.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.31ms. Allocated memory is still 134.2MB. Free memory was 100.2MB in the beginning and 98.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.41ms. Allocated memory is still 134.2MB. Free memory was 98.1MB in the beginning and 96.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 427.84ms. Allocated memory is still 134.2MB. Free memory was 96.8MB in the beginning and 84.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 575.15ms. Allocated memory is still 134.2MB. Free memory was 83.4MB in the beginning and 109.2MB in the end (delta: -25.8MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. * Witness Printer took 71.80ms. Allocated memory is still 134.2MB. Free memory was 109.2MB in the beginning and 105.9MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}] [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, D={4:0}] [L681] 0 int g = 0; VAL [A={3:0}, D={4:0}, g=0] [L693] 0 pthread_t id; VAL [A={3:0}, D={4:0}, g=0, id={5:0}] [L694] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, arg={0:0}, D={4:0}, g=0, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L698] CALL 0 __VERIFIER_assert(!(g == 0)) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, A={3:0}, arg={0:0}, cond=0, D={4:0}, g=0] [L19] 0 reach_error() VAL [\old(cond)=0, A={3:0}, arg={0:0}, cond=0, D={4:0}, g=0] - UnprovableResult [Line: 694]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 78 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-16 11:36:02,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6294f4e0-d1ef-427b-8e3a-a111d7ec53e3/bin/uautomizer-tPACEb0tL8/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE