./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952641b9-a2ce-4fb0-a537-d5a8c87453dd/bin/ugemcutter-YQQFZV6HUA/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952641b9-a2ce-4fb0-a537-d5a8c87453dd/bin/ugemcutter-YQQFZV6HUA/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952641b9-a2ce-4fb0-a537-d5a8c87453dd/bin/ugemcutter-YQQFZV6HUA/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952641b9-a2ce-4fb0-a537-d5a8c87453dd/bin/ugemcutter-YQQFZV6HUA/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952641b9-a2ce-4fb0-a537-d5a8c87453dd/bin/ugemcutter-YQQFZV6HUA/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952641b9-a2ce-4fb0-a537-d5a8c87453dd/bin/ugemcutter-YQQFZV6HUA --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 36105814f7d14243ca8b55776979fcada1717aa30ae4c259b302358b1f244a48 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 09:47:18,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 09:47:18,179 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 09:47:18,232 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 09:47:18,233 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 09:47:18,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 09:47:18,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 09:47:18,245 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 09:47:18,247 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 09:47:18,252 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 09:47:18,253 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 09:47:18,255 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 09:47:18,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 09:47:18,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 09:47:18,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 09:47:18,264 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 09:47:18,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 09:47:18,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 09:47:18,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 09:47:18,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 09:47:18,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 09:47:18,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 09:47:18,283 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 09:47:18,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 09:47:18,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 09:47:18,287 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 09:47:18,287 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 09:47:18,288 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 09:47:18,289 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 09:47:18,290 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 09:47:18,290 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 09:47:18,291 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 09:47:18,292 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 09:47:18,293 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 09:47:18,295 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 09:47:18,295 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 09:47:18,295 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 09:47:18,296 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 09:47:18,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 09:47:18,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 09:47:18,297 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 09:47:18,298 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952641b9-a2ce-4fb0-a537-d5a8c87453dd/bin/ugemcutter-YQQFZV6HUA/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-12-07 09:47:18,339 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 09:47:18,340 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 09:47:18,340 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 09:47:18,340 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 09:47:18,347 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 09:47:18,347 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 09:47:18,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 09:47:18,348 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 09:47:18,348 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 09:47:18,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 09:47:18,349 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 09:47:18,350 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 09:47:18,350 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 09:47:18,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 09:47:18,350 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 09:47:18,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 09:47:18,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 09:47:18,351 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 09:47:18,351 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 09:47:18,351 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 09:47:18,351 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 09:47:18,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 09:47:18,352 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 09:47:18,352 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-12-07 09:47:18,352 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 09:47:18,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 09:47:18,353 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 09:47:18,353 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 09:47:18,353 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 09:47:18,354 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 09:47:18,355 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-12-07 09:47:18,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 09:47:18,355 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 09:47:18,356 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-12-07 09:47:18,356 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 09:47:18,356 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-12-07 09:47:18,356 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-12-07 09:47:18,356 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_952641b9-a2ce-4fb0-a537-d5a8c87453dd/bin/ugemcutter-YQQFZV6HUA/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952641b9-a2ce-4fb0-a537-d5a8c87453dd/bin/ugemcutter-YQQFZV6HUA Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36105814f7d14243ca8b55776979fcada1717aa30ae4c259b302358b1f244a48 [2021-12-07 09:47:18,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 09:47:18,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 09:47:18,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 09:47:18,670 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 09:47:18,670 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 09:47:18,671 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952641b9-a2ce-4fb0-a537-d5a8c87453dd/bin/ugemcutter-YQQFZV6HUA/../../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2021-12-07 09:47:18,746 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952641b9-a2ce-4fb0-a537-d5a8c87453dd/bin/ugemcutter-YQQFZV6HUA/data/653ee25fe/f489a18b25b344879f6376d89fc5f259/FLAG33ff9410e [2021-12-07 09:47:19,245 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 09:47:19,246 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952641b9-a2ce-4fb0-a537-d5a8c87453dd/sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2021-12-07 09:47:19,261 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952641b9-a2ce-4fb0-a537-d5a8c87453dd/bin/ugemcutter-YQQFZV6HUA/data/653ee25fe/f489a18b25b344879f6376d89fc5f259/FLAG33ff9410e [2021-12-07 09:47:19,569 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952641b9-a2ce-4fb0-a537-d5a8c87453dd/bin/ugemcutter-YQQFZV6HUA/data/653ee25fe/f489a18b25b344879f6376d89fc5f259 [2021-12-07 09:47:19,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 09:47:19,572 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 09:47:19,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 09:47:19,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 09:47:19,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 09:47:19,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:47:19" (1/1) ... [2021-12-07 09:47:19,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cc93e83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:47:19, skipping insertion in model container [2021-12-07 09:47:19,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:47:19" (1/1) ... [2021-12-07 09:47:19,588 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 09:47:19,632 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 09:47:19,830 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_952641b9-a2ce-4fb0-a537-d5a8c87453dd/sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i[1098,1111] [2021-12-07 09:47:20,030 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 09:47:20,045 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 09:47:20,057 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_952641b9-a2ce-4fb0-a537-d5a8c87453dd/sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i[1098,1111] [2021-12-07 09:47:20,099 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 09:47:20,152 INFO L208 MainTranslator]: Completed translation [2021-12-07 09:47:20,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:47:20 WrapperNode [2021-12-07 09:47:20,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 09:47:20,153 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 09:47:20,154 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 09:47:20,154 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 09:47:20,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:47:20" (1/1) ... [2021-12-07 09:47:20,195 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:47:20" (1/1) ... [2021-12-07 09:47:20,222 INFO L137 Inliner]: procedures = 163, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2021-12-07 09:47:20,222 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 09:47:20,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 09:47:20,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 09:47:20,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 09:47:20,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:47:20" (1/1) ... [2021-12-07 09:47:20,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:47:20" (1/1) ... [2021-12-07 09:47:20,239 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:47:20" (1/1) ... [2021-12-07 09:47:20,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:47:20" (1/1) ... [2021-12-07 09:47:20,255 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:47:20" (1/1) ... [2021-12-07 09:47:20,259 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:47:20" (1/1) ... [2021-12-07 09:47:20,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:47:20" (1/1) ... [2021-12-07 09:47:20,264 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 09:47:20,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 09:47:20,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 09:47:20,273 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 09:47:20,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:47:20" (1/1) ... [2021-12-07 09:47:20,281 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 09:47:20,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952641b9-a2ce-4fb0-a537-d5a8c87453dd/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:47:20,304 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952641b9-a2ce-4fb0-a537-d5a8c87453dd/bin/ugemcutter-YQQFZV6HUA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 09:47:20,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952641b9-a2ce-4fb0-a537-d5a8c87453dd/bin/ugemcutter-YQQFZV6HUA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 09:47:20,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 09:47:20,356 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-07 09:47:20,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 09:47:20,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 09:47:20,358 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-12-07 09:47:20,358 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-12-07 09:47:20,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 09:47:20,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 09:47:20,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 09:47:20,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 09:47:20,360 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-07 09:47:20,489 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 09:47:20,501 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 09:47:20,664 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 09:47:20,672 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 09:47:20,672 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-07 09:47:20,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:47:20 BoogieIcfgContainer [2021-12-07 09:47:20,674 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 09:47:20,676 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 09:47:20,676 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 09:47:20,690 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 09:47:20,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 09:47:19" (1/3) ... [2021-12-07 09:47:20,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61c2e81a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:47:20, skipping insertion in model container [2021-12-07 09:47:20,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:47:20" (2/3) ... [2021-12-07 09:47:20,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61c2e81a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:47:20, skipping insertion in model container [2021-12-07 09:47:20,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:47:20" (3/3) ... [2021-12-07 09:47:20,694 INFO L111 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2021-12-07 09:47:20,703 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-07 09:47:20,703 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 09:47:20,704 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 09:47:20,704 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-07 09:47:20,739 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:47:20,740 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:47:20,740 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:47:20,740 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:47:20,740 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:47:20,741 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:47:20,741 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:47:20,741 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:47:20,741 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:47:20,742 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:47:20,742 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:47:20,742 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:47:20,742 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:47:20,743 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:47:20,743 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:47:20,743 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:47:20,744 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:47:20,744 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:47:20,744 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:47:20,744 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:47:20,747 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:47:20,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:47:20,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:47:20,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:47:20,748 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:47:20,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:47:20,759 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-12-07 09:47:20,824 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-12-07 09:47:20,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952641b9-a2ce-4fb0-a537-d5a8c87453dd/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:47:20,831 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952641b9-a2ce-4fb0-a537-d5a8c87453dd/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-12-07 09:47:20,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952641b9-a2ce-4fb0-a537-d5a8c87453dd/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-12-07 09:47:20,891 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-12-07 09:47:20,905 INFO L339 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=PARTIAL_ORDER_FA, 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-07 09:47:20,905 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-07 09:47:21,120 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-07 09:47:21,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:47:21,130 INFO L85 PathProgramCache]: Analyzing trace with hash -648351748, now seen corresponding path program 1 times [2021-12-07 09:47:21,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:47:21,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881719081] [2021-12-07 09:47:21,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:47:21,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:47:21,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 09:47:21,364 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 09:47:21,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 09:47:21,486 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 09:47:21,488 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-07 09:47:21,489 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2021-12-07 09:47:21,491 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2021-12-07 09:47:21,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 09:47:21,505 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-12-07 09:47:21,510 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-12-07 09:47:21,510 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-07 09:47:21,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 09:47:21 BasicIcfg [2021-12-07 09:47:21,577 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-07 09:47:21,578 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 09:47:21,578 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 09:47:21,578 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 09:47:21,579 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:47:20" (3/4) ... [2021-12-07 09:47:21,580 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-12-07 09:47:21,628 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952641b9-a2ce-4fb0-a537-d5a8c87453dd/bin/ugemcutter-YQQFZV6HUA/witness.graphml [2021-12-07 09:47:21,629 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 09:47:21,630 INFO L158 Benchmark]: Toolchain (without parser) took 2057.21ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 56.4MB in the beginning and 52.5MB in the end (delta: 3.9MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2021-12-07 09:47:21,630 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 92.3MB. Free memory was 63.7MB in the beginning and 63.6MB in the end (delta: 29.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 09:47:21,631 INFO L158 Benchmark]: CACSL2BoogieTranslator took 579.53ms. Allocated memory is still 92.3MB. Free memory was 56.1MB in the beginning and 57.2MB in the end (delta: -1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-07 09:47:21,631 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.12ms. Allocated memory is still 92.3MB. Free memory was 57.2MB in the beginning and 55.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 09:47:21,632 INFO L158 Benchmark]: Boogie Preprocessor took 48.37ms. Allocated memory is still 92.3MB. Free memory was 55.2MB in the beginning and 54.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 09:47:21,632 INFO L158 Benchmark]: RCFGBuilder took 402.05ms. Allocated memory is still 92.3MB. Free memory was 54.0MB in the beginning and 42.6MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-07 09:47:21,633 INFO L158 Benchmark]: TraceAbstraction took 901.13ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 42.0MB in the beginning and 58.2MB in the end (delta: -16.2MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2021-12-07 09:47:21,633 INFO L158 Benchmark]: Witness Printer took 50.89ms. Allocated memory is still 111.1MB. Free memory was 58.2MB in the beginning and 52.5MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-07 09:47:21,636 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 92.3MB. Free memory was 63.7MB in the beginning and 63.6MB in the end (delta: 29.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 579.53ms. Allocated memory is still 92.3MB. Free memory was 56.1MB in the beginning and 57.2MB in the end (delta: -1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.12ms. Allocated memory is still 92.3MB. Free memory was 57.2MB in the beginning and 55.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.37ms. Allocated memory is still 92.3MB. Free memory was 55.2MB in the beginning and 54.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 402.05ms. Allocated memory is still 92.3MB. Free memory was 54.0MB in the beginning and 42.6MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 901.13ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 42.0MB in the beginning and 58.2MB in the end (delta: -16.2MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * Witness Printer took 50.89ms. Allocated memory is still 111.1MB. Free memory was 58.2MB in the beginning and 52.5MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 225, positive: 219, positive conditional: 10, positive unconditional: 209, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 224, positive: 219, positive conditional: 10, positive unconditional: 209, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 224, positive: 219, positive conditional: 10, positive unconditional: 209, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 224, positive: 219, positive conditional: 0, positive unconditional: 219, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 224, positive: 219, positive conditional: 0, positive unconditional: 219, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 224, positive: 219, positive conditional: 0, positive unconditional: 219, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 214, positive: 209, positive conditional: 0, positive unconditional: 209, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 214, positive: 205, positive conditional: 0, positive unconditional: 205, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 112, positive: 84, positive conditional: 0, positive unconditional: 84, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 224, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 214, unknown conditional: 0, unknown unconditional: 214] , Statistics on independence cache: Total cache size (in pairs): 214, Positive cache size: 209, Positive conditional cache size: 0, Positive unconditional cache size: 209, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 64, Number of trivial persistent sets: 64, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 214, positive: 209, positive conditional: 0, positive unconditional: 209, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 225, positive: 219, positive conditional: 10, positive unconditional: 209, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 224, positive: 219, positive conditional: 10, positive unconditional: 209, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 224, positive: 219, positive conditional: 10, positive unconditional: 209, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 224, positive: 219, positive conditional: 0, positive unconditional: 219, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 224, positive: 219, positive conditional: 0, positive unconditional: 219, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 224, positive: 219, positive conditional: 0, positive unconditional: 219, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 214, positive: 209, positive conditional: 0, positive unconditional: 209, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 214, positive: 205, positive conditional: 0, positive unconditional: 205, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 112, positive: 84, positive conditional: 0, positive unconditional: 84, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 224, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 214, unknown conditional: 0, unknown unconditional: 214] , Statistics on independence cache: Total cache size (in pairs): 214, Positive cache size: 209, Positive conditional cache size: 0, Positive unconditional cache size: 209, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L682] 0 int g = 42; VAL [g=42] [L683] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, g=42] [L684] 0 pthread_mutex_t B = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, B={4:0}, g=42] [L694] 0 int r = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=1, A={3:0}, B={4:0}, g=42, r=1] [L695] 0 int t; VAL [A={3:0}, B={4:0}, g=42, r=1] [L696] 0 pthread_t id; VAL [A={3:0}, B={4:0}, g=42, id={5:0}, r=1] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1, r=1] [L688] 1 g = 42 VAL [A={3:0}, arg={0:0}, arg={0:0}, B={4:0}, g=42] [L691] 1 return ((void *)0); VAL [\result={0:0}, A={3:0}, arg={0:0}, arg={0:0}, B={4:0}, g=42] [L700] COND TRUE 0 \read(r) VAL [\result={0:0}, A={3:0}, arg={0:0}, arg={0:0}, B={4:0}, g=42, id={5:0}, r=1] [L701] 0 g = 17 VAL [\result={0:0}, A={3:0}, arg={0:0}, arg={0:0}, B={4:0}, g=17, id={5:0}, r=1] [L705] 0 t = g VAL [\result={0:0}, A={3:0}, arg={0:0}, arg={0:0}, B={4:0}, g=17, id={5:0}, r=1, t=17] [L706] CALL 0 __VERIFIER_assert(!(t == 17)) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, \result={0:0}, A={3:0}, arg={0:0}, arg={0:0}, B={4:0}, cond=0, g=17] [L19] 0 reach_error() VAL [\old(cond)=0, \result={0:0}, A={3:0}, arg={0:0}, arg={0:0}, B={4:0}, cond=0, g=17] - UnprovableResult [Line: 697]: 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 for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 89 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred 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, 64 NumberOfCodeBlocks, 64 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! [2021-12-07 09:47:21,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952641b9-a2ce-4fb0-a537-d5a8c87453dd/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-12-07 09:47:21,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952641b9-a2ce-4fb0-a537-d5a8c87453dd/bin/ugemcutter-YQQFZV6HUA/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE