./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_47-refine-protected2_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races 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_99ff076b-5da7-4fe7-9499-6469ce870a77/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff076b-5da7-4fe7-9499-6469ce870a77/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_99ff076b-5da7-4fe7-9499-6469ce870a77/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff076b-5da7-4fe7-9499-6469ce870a77/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_47-refine-protected2_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff076b-5da7-4fe7-9499-6469ce870a77/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff076b-5da7-4fe7-9499-6469ce870a77/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f7e90d4b6ab0561c00fafe8b5db7dd972e67889e2cb8e9e72502cd51ce4f0a76 --- 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 11:45:15,215 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:45:15,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:45:15,239 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:45:15,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:45:15,240 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:45:15,242 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:45:15,244 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:45:15,246 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:45:15,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:45:15,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:45:15,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:45:15,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:45:15,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:45:15,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:45:15,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:45:15,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:45:15,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:45:15,258 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:45:15,260 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:45:15,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:45:15,264 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:45:15,265 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:45:15,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:45:15,271 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:45:15,272 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:45:15,272 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:45:15,273 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:45:15,274 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:45:15,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:45:15,276 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:45:15,277 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:45:15,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:45:15,287 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:45:15,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:45:15,290 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:45:15,295 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:45:15,295 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:45:15,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:45:15,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:45:15,297 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:45:15,298 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff076b-5da7-4fe7-9499-6469ce870a77/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-16 11:45:15,351 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:45:15,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:45:15,352 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:45:15,352 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:45:15,353 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:45:15,353 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:45:15,354 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:45:15,354 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:45:15,354 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:45:15,359 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:45:15,360 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:45:15,360 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:45:15,360 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:45:15,361 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:45:15,361 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:45:15,361 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:45:15,361 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:45:15,361 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:45:15,362 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 11:45:15,362 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:45:15,362 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:45:15,362 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:45:15,362 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:45:15,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:45:15,363 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:45:15,363 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:45:15,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:45:15,365 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:45:15,366 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:45:15,366 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:45:15,366 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:45:15,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:45:15,367 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:45:15,367 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:45:15,367 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:45:15,367 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_99ff076b-5da7-4fe7-9499-6469ce870a77/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff076b-5da7-4fe7-9499-6469ce870a77/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7e90d4b6ab0561c00fafe8b5db7dd972e67889e2cb8e9e72502cd51ce4f0a76 [2022-11-16 11:45:15,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:45:15,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:45:15,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:45:15,746 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:45:15,747 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:45:15,748 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff076b-5da7-4fe7-9499-6469ce870a77/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/goblint-regression/13-privatized_47-refine-protected2_true.i [2022-11-16 11:45:15,834 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff076b-5da7-4fe7-9499-6469ce870a77/bin/uautomizer-tPACEb0tL8/data/043634193/9a4c3fb78bae4192b4b6f65a8b378904/FLAGfbed465b1 [2022-11-16 11:45:16,592 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:45:16,593 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff076b-5da7-4fe7-9499-6469ce870a77/sv-benchmarks/c/goblint-regression/13-privatized_47-refine-protected2_true.i [2022-11-16 11:45:16,608 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff076b-5da7-4fe7-9499-6469ce870a77/bin/uautomizer-tPACEb0tL8/data/043634193/9a4c3fb78bae4192b4b6f65a8b378904/FLAGfbed465b1 [2022-11-16 11:45:16,792 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff076b-5da7-4fe7-9499-6469ce870a77/bin/uautomizer-tPACEb0tL8/data/043634193/9a4c3fb78bae4192b4b6f65a8b378904 [2022-11-16 11:45:16,797 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:45:16,798 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:45:16,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:45:16,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:45:16,812 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:45:16,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:45:16" (1/1) ... [2022-11-16 11:45:16,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ab20436 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:16, skipping insertion in model container [2022-11-16 11:45:16,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:45:16" (1/1) ... [2022-11-16 11:45:16,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:45:16,866 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:45:17,129 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_99ff076b-5da7-4fe7-9499-6469ce870a77/sv-benchmarks/c/goblint-regression/13-privatized_47-refine-protected2_true.i[1094,1107] [2022-11-16 11:45:17,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:45:17,331 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:45:17,346 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_99ff076b-5da7-4fe7-9499-6469ce870a77/sv-benchmarks/c/goblint-regression/13-privatized_47-refine-protected2_true.i[1094,1107] [2022-11-16 11:45:17,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:45:17,444 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:45:17,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:17 WrapperNode [2022-11-16 11:45:17,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:45:17,447 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:45:17,448 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:45:17,448 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:45:17,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:17" (1/1) ... [2022-11-16 11:45:17,490 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:17" (1/1) ... [2022-11-16 11:45:17,520 INFO L138 Inliner]: procedures = 162, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2022-11-16 11:45:17,521 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:45:17,522 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:45:17,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:45:17,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:45:17,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:17" (1/1) ... [2022-11-16 11:45:17,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:17" (1/1) ... [2022-11-16 11:45:17,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:17" (1/1) ... [2022-11-16 11:45:17,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:17" (1/1) ... [2022-11-16 11:45:17,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:17" (1/1) ... [2022-11-16 11:45:17,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:17" (1/1) ... [2022-11-16 11:45:17,555 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:17" (1/1) ... [2022-11-16 11:45:17,556 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:17" (1/1) ... [2022-11-16 11:45:17,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:45:17,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:45:17,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:45:17,560 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:45:17,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:17" (1/1) ... [2022-11-16 11:45:17,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:45:17,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff076b-5da7-4fe7-9499-6469ce870a77/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:45:17,600 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff076b-5da7-4fe7-9499-6469ce870a77/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:45:17,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff076b-5da7-4fe7-9499-6469ce870a77/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:45:17,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:45:17,659 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-16 11:45:17,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:45:17,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:45:17,659 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-16 11:45:17,661 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-16 11:45:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:45:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:45:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:45:17,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:45:17,663 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 11:45:17,917 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:45:17,930 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:45:18,217 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:45:18,232 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:45:18,232 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 11:45:18,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:45:18 BoogieIcfgContainer [2022-11-16 11:45:18,236 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:45:18,239 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:45:18,242 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:45:18,246 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:45:18,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:45:16" (1/3) ... [2022-11-16 11:45:18,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f038d96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:45:18, skipping insertion in model container [2022-11-16 11:45:18,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:17" (2/3) ... [2022-11-16 11:45:18,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f038d96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:45:18, skipping insertion in model container [2022-11-16 11:45:18,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:45:18" (3/3) ... [2022-11-16 11:45:18,250 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_47-refine-protected2_true.i [2022-11-16 11:45:18,262 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 11:45:18,275 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:45:18,275 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-16 11:45:18,276 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 11:45:18,378 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-16 11:45:18,449 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 79 places, 78 transitions, 161 flow [2022-11-16 11:45:18,516 INFO L130 PetriNetUnfolder]: 3/77 cut-off events. [2022-11-16 11:45:18,516 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:45:18,521 INFO L83 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 77 events. 3/77 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 85 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 52. Up to 2 conditions per place. [2022-11-16 11:45:18,522 INFO L82 GeneralOperation]: Start removeDead. Operand has 79 places, 78 transitions, 161 flow [2022-11-16 11:45:18,526 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 78 places, 77 transitions, 157 flow [2022-11-16 11:45:18,539 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:45:18,548 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;@1a7e359c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:45:18,548 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-16 11:45:18,564 INFO L130 PetriNetUnfolder]: 0/35 cut-off events. [2022-11-16 11:45:18,565 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:45:18,565 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:45:18,566 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] [2022-11-16 11:45:18,567 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-16 11:45:18,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:45:18,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1905615971, now seen corresponding path program 1 times [2022-11-16 11:45:18,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:45:18,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086891840] [2022-11-16 11:45:18,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:45:18,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:45:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:18,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:45:18,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:45:18,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086891840] [2022-11-16 11:45:18,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086891840] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:45:18,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:45:18,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:45:18,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599265622] [2022-11-16 11:45:18,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:45:18,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:45:18,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:45:19,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:45:19,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:45:19,060 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 78 [2022-11-16 11:45:19,063 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 77 transitions, 157 flow. Second operand has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:45:19,063 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:45:19,063 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 78 [2022-11-16 11:45:19,064 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:45:19,285 INFO L130 PetriNetUnfolder]: 37/241 cut-off events. [2022-11-16 11:45:19,286 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-16 11:45:19,288 INFO L83 FinitePrefix]: Finished finitePrefix Result has 334 conditions, 241 events. 37/241 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1067 event pairs, 6 based on Foata normal form. 14/218 useless extension candidates. Maximal degree in co-relation 303. Up to 51 conditions per place. [2022-11-16 11:45:19,292 INFO L137 encePairwiseOnDemand]: 66/78 looper letters, 14 selfloop transitions, 7 changer transitions 0/81 dead transitions. [2022-11-16 11:45:19,292 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 81 transitions, 207 flow [2022-11-16 11:45:19,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:45:19,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:45:19,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 211 transitions. [2022-11-16 11:45:19,311 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9017094017094017 [2022-11-16 11:45:19,312 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 211 transitions. [2022-11-16 11:45:19,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 211 transitions. [2022-11-16 11:45:19,316 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:45:19,319 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 211 transitions. [2022-11-16 11:45:19,327 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:45:19,338 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 78.0) internal successors, (312), 4 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:45:19,339 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 78.0) internal successors, (312), 4 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:45:19,364 INFO L175 Difference]: Start difference. First operand has 78 places, 77 transitions, 157 flow. Second operand 3 states and 211 transitions. [2022-11-16 11:45:19,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 81 transitions, 207 flow [2022-11-16 11:45:19,369 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 81 transitions, 206 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:45:19,373 INFO L231 Difference]: Finished difference. Result has 79 places, 79 transitions, 206 flow [2022-11-16 11:45:19,375 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=78, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=206, PETRI_PLACES=79, PETRI_TRANSITIONS=79} [2022-11-16 11:45:19,396 INFO L288 CegarLoopForPetriNet]: 78 programPoint places, 1 predicate places. [2022-11-16 11:45:19,396 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 79 transitions, 206 flow [2022-11-16 11:45:19,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:45:19,410 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:45:19,410 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] [2022-11-16 11:45:19,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:45:19,411 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-16 11:45:19,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:45:19,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1066172397, now seen corresponding path program 1 times [2022-11-16 11:45:19,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:45:19,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487501353] [2022-11-16 11:45:19,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:45:19,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:45:19,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:19,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:45:19,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:45:19,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487501353] [2022-11-16 11:45:19,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487501353] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:45:19,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:45:19,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:45:19,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255741013] [2022-11-16 11:45:19,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:45:19,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:45:19,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:45:19,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:45:19,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:45:19,531 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 78 [2022-11-16 11:45:19,532 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 79 transitions, 206 flow. Second operand has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:45:19,532 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:45:19,533 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 78 [2022-11-16 11:45:19,533 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:45:19,684 INFO L130 PetriNetUnfolder]: 58/351 cut-off events. [2022-11-16 11:45:19,684 INFO L131 PetriNetUnfolder]: For 78/78 co-relation queries the response was YES. [2022-11-16 11:45:19,687 INFO L83 FinitePrefix]: Finished finitePrefix Result has 584 conditions, 351 events. 58/351 cut-off events. For 78/78 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1907 event pairs, 15 based on Foata normal form. 0/324 useless extension candidates. Maximal degree in co-relation 552. Up to 88 conditions per place. [2022-11-16 11:45:19,688 INFO L137 encePairwiseOnDemand]: 71/78 looper letters, 17 selfloop transitions, 9 changer transitions 11/95 dead transitions. [2022-11-16 11:45:19,688 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 95 transitions, 352 flow [2022-11-16 11:45:19,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:45:19,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:45:19,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 204 transitions. [2022-11-16 11:45:19,691 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8717948717948718 [2022-11-16 11:45:19,692 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 204 transitions. [2022-11-16 11:45:19,692 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 204 transitions. [2022-11-16 11:45:19,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:45:19,693 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 204 transitions. [2022-11-16 11:45:19,694 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:45:19,695 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 78.0) internal successors, (312), 4 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:45:19,696 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 78.0) internal successors, (312), 4 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:45:19,696 INFO L175 Difference]: Start difference. First operand has 79 places, 79 transitions, 206 flow. Second operand 3 states and 204 transitions. [2022-11-16 11:45:19,696 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 95 transitions, 352 flow [2022-11-16 11:45:19,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 95 transitions, 326 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:45:19,702 INFO L231 Difference]: Finished difference. Result has 81 places, 81 transitions, 244 flow [2022-11-16 11:45:19,702 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=78, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=244, PETRI_PLACES=81, PETRI_TRANSITIONS=81} [2022-11-16 11:45:19,703 INFO L288 CegarLoopForPetriNet]: 78 programPoint places, 3 predicate places. [2022-11-16 11:45:19,704 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 81 transitions, 244 flow [2022-11-16 11:45:19,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:45:19,704 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:45:19,705 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] [2022-11-16 11:45:19,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:45:19,705 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-16 11:45:19,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:45:19,706 INFO L85 PathProgramCache]: Analyzing trace with hash -434137478, now seen corresponding path program 1 times [2022-11-16 11:45:19,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:45:19,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98980504] [2022-11-16 11:45:19,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:45:19,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:45:19,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:19,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:45:19,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:45:19,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98980504] [2022-11-16 11:45:19,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98980504] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:45:19,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:45:19,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:45:19,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107580775] [2022-11-16 11:45:19,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:45:19,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:45:19,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:45:19,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:45:19,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:45:19,869 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 78 [2022-11-16 11:45:19,870 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 81 transitions, 244 flow. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:45:19,870 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:45:19,870 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 78 [2022-11-16 11:45:19,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:45:19,911 INFO L130 PetriNetUnfolder]: 2/110 cut-off events. [2022-11-16 11:45:19,911 INFO L131 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2022-11-16 11:45:19,912 INFO L83 FinitePrefix]: Finished finitePrefix Result has 162 conditions, 110 events. 2/110 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 182 event pairs, 0 based on Foata normal form. 2/106 useless extension candidates. Maximal degree in co-relation 123. Up to 12 conditions per place. [2022-11-16 11:45:19,912 INFO L137 encePairwiseOnDemand]: 74/78 looper letters, 0 selfloop transitions, 0 changer transitions 70/70 dead transitions. [2022-11-16 11:45:19,912 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 70 transitions, 200 flow [2022-11-16 11:45:19,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:45:19,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:45:19,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 202 transitions. [2022-11-16 11:45:19,915 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8632478632478633 [2022-11-16 11:45:19,915 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 202 transitions. [2022-11-16 11:45:19,916 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 202 transitions. [2022-11-16 11:45:19,916 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:45:19,916 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 202 transitions. [2022-11-16 11:45:19,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:45:19,919 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 78.0) internal successors, (312), 4 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:45:19,919 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 78.0) internal successors, (312), 4 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:45:19,919 INFO L175 Difference]: Start difference. First operand has 81 places, 81 transitions, 244 flow. Second operand 3 states and 202 transitions. [2022-11-16 11:45:19,920 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 70 transitions, 200 flow [2022-11-16 11:45:19,922 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 70 transitions, 170 flow, removed 9 selfloop flow, removed 4 redundant places. [2022-11-16 11:45:19,923 INFO L231 Difference]: Finished difference. Result has 75 places, 0 transitions, 0 flow [2022-11-16 11:45:19,923 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=78, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=75, PETRI_TRANSITIONS=0} [2022-11-16 11:45:19,924 INFO L288 CegarLoopForPetriNet]: 78 programPoint places, -3 predicate places. [2022-11-16 11:45:19,925 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 0 transitions, 0 flow [2022-11-16 11:45:19,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:45:19,928 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 6 remaining) [2022-11-16 11:45:19,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 6 remaining) [2022-11-16 11:45:19,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2022-11-16 11:45:19,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2022-11-16 11:45:19,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2022-11-16 11:45:19,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2022-11-16 11:45:19,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:45:19,931 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-16 11:45:19,939 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 11:45:19,939 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:45:19,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:45:19 BasicIcfg [2022-11-16 11:45:19,946 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:45:19,947 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:45:19,947 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:45:19,947 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:45:19,948 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:45:18" (3/4) ... [2022-11-16 11:45:19,951 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:45:19,960 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-16 11:45:19,967 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-16 11:45:19,967 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-16 11:45:19,967 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 11:45:19,968 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:45:20,020 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff076b-5da7-4fe7-9499-6469ce870a77/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:45:20,025 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:45:20,026 INFO L158 Benchmark]: Toolchain (without parser) took 3227.77ms. Allocated memory is still 146.8MB. Free memory was 108.9MB in the beginning and 72.4MB in the end (delta: 36.5MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2022-11-16 11:45:20,028 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 146.8MB. Free memory was 127.0MB in the beginning and 126.9MB in the end (delta: 81.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:45:20,031 INFO L158 Benchmark]: CACSL2BoogieTranslator took 638.86ms. Allocated memory is still 146.8MB. Free memory was 108.7MB in the beginning and 114.3MB in the end (delta: -5.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:45:20,032 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.78ms. Allocated memory is still 146.8MB. Free memory was 114.3MB in the beginning and 112.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:45:20,032 INFO L158 Benchmark]: Boogie Preprocessor took 36.06ms. Allocated memory is still 146.8MB. Free memory was 112.3MB in the beginning and 111.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:45:20,033 INFO L158 Benchmark]: RCFGBuilder took 677.03ms. Allocated memory is still 146.8MB. Free memory was 111.2MB in the beginning and 98.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 11:45:20,033 INFO L158 Benchmark]: TraceAbstraction took 1707.30ms. Allocated memory is still 146.8MB. Free memory was 97.6MB in the beginning and 75.3MB in the end (delta: 22.3MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2022-11-16 11:45:20,033 INFO L158 Benchmark]: Witness Printer took 78.64ms. Allocated memory is still 146.8MB. Free memory was 75.3MB in the beginning and 72.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:45:20,035 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 146.8MB. Free memory was 127.0MB in the beginning and 126.9MB in the end (delta: 81.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 638.86ms. Allocated memory is still 146.8MB. Free memory was 108.7MB in the beginning and 114.3MB in the end (delta: -5.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.78ms. Allocated memory is still 146.8MB. Free memory was 114.3MB in the beginning and 112.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.06ms. Allocated memory is still 146.8MB. Free memory was 112.3MB in the beginning and 111.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 677.03ms. Allocated memory is still 146.8MB. Free memory was 111.2MB in the beginning and 98.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1707.30ms. Allocated memory is still 146.8MB. Free memory was 97.6MB in the beginning and 75.3MB in the end (delta: 22.3MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. * Witness Printer took 78.64ms. Allocated memory is still 146.8MB. Free memory was 75.3MB in the beginning and 72.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 693]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 694]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 685]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 90 locations, 6 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: 1.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49 IncrementalHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 30 mSDtfsCounter, 49 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=244occurred in iteration=2, InterpolantAutomatonStates: 9, 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, 0.4s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 125 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 11:45:20,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff076b-5da7-4fe7-9499-6469ce870a77/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE