./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_10162332-f123-449d-8239-13128141cc07/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10162332-f123-449d-8239-13128141cc07/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10162332-f123-449d-8239-13128141cc07/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10162332-f123-449d-8239-13128141cc07/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10162332-f123-449d-8239-13128141cc07/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10162332-f123-449d-8239-13128141cc07/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6dd4f5b1ff018649ffc6fcf6c400dcf6859c8fbe22bc4e1d68608a723e1e2f9d --- 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-2329fc7 [2022-12-13 15:04:50,595 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:04:50,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:04:50,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:04:50,616 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:04:50,616 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:04:50,618 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:04:50,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:04:50,621 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:04:50,622 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:04:50,622 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:04:50,623 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:04:50,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:04:50,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:04:50,626 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:04:50,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:04:50,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:04:50,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:04:50,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:04:50,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:04:50,633 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:04:50,635 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:04:50,636 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:04:50,636 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:04:50,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:04:50,640 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:04:50,640 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:04:50,641 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:04:50,642 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:04:50,643 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:04:50,643 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:04:50,643 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:04:50,644 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:04:50,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:04:50,646 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:04:50,646 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:04:50,646 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:04:50,646 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:04:50,647 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:04:50,647 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:04:50,648 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:04:50,649 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10162332-f123-449d-8239-13128141cc07/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 15:04:50,662 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:04:50,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:04:50,662 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:04:50,662 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:04:50,663 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:04:50,663 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:04:50,668 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:04:50,668 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:04:50,669 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:04:50,669 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:04:50,669 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 15:04:50,669 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:04:50,669 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 15:04:50,670 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:04:50,670 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 15:04:50,670 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:04:50,670 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 15:04:50,670 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 15:04:50,670 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:04:50,671 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:04:50,671 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 15:04:50,671 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:04:50,671 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:04:50,671 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:04:50,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:04:50,672 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:04:50,672 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:04:50,672 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 15:04:50,672 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 15:04:50,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 15:04:50,673 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:04:50,673 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 15:04:50,673 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:04:50,673 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:04:50,673 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:04:50,674 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_10162332-f123-449d-8239-13128141cc07/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10162332-f123-449d-8239-13128141cc07/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6dd4f5b1ff018649ffc6fcf6c400dcf6859c8fbe22bc4e1d68608a723e1e2f9d [2022-12-13 15:04:50,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:04:50,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:04:50,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:04:50,903 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:04:50,903 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:04:50,904 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10162332-f123-449d-8239-13128141cc07/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2022-12-13 15:04:53,439 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:04:53,623 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:04:53,624 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10162332-f123-449d-8239-13128141cc07/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2022-12-13 15:04:53,633 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10162332-f123-449d-8239-13128141cc07/bin/uautomizer-uyxdKDjOR8/data/6c09c926e/f7b48014f4514a8b968e325d7d8e167c/FLAG708af9b11 [2022-12-13 15:04:54,035 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10162332-f123-449d-8239-13128141cc07/bin/uautomizer-uyxdKDjOR8/data/6c09c926e/f7b48014f4514a8b968e325d7d8e167c [2022-12-13 15:04:54,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:04:54,041 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:04:54,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:04:54,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:04:54,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:04:54,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:04:54" (1/1) ... [2022-12-13 15:04:54,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@403cf944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:04:54, skipping insertion in model container [2022-12-13 15:04:54,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:04:54" (1/1) ... [2022-12-13 15:04:54,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:04:54,079 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:04:54,194 WARN L237 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_10162332-f123-449d-8239-13128141cc07/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i[1103,1116] [2022-12-13 15:04:54,275 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:04:54,285 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:04:54,293 WARN L237 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_10162332-f123-449d-8239-13128141cc07/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i[1103,1116] [2022-12-13 15:04:54,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:04:54,334 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:04:54,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:04:54 WrapperNode [2022-12-13 15:04:54,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:04:54,335 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:04:54,335 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:04:54,335 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:04:54,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:04:54" (1/1) ... [2022-12-13 15:04:54,349 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:04:54" (1/1) ... [2022-12-13 15:04:54,362 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-12-13 15:04:54,362 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:04:54,362 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:04:54,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:04:54,363 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:04:54,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:04:54" (1/1) ... [2022-12-13 15:04:54,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:04:54" (1/1) ... [2022-12-13 15:04:54,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:04:54" (1/1) ... [2022-12-13 15:04:54,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:04:54" (1/1) ... [2022-12-13 15:04:54,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:04:54" (1/1) ... [2022-12-13 15:04:54,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:04:54" (1/1) ... [2022-12-13 15:04:54,376 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:04:54" (1/1) ... [2022-12-13 15:04:54,376 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:04:54" (1/1) ... [2022-12-13 15:04:54,378 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:04:54,378 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:04:54,378 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:04:54,379 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:04:54,379 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:04:54" (1/1) ... [2022-12-13 15:04:54,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:04:54,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10162332-f123-449d-8239-13128141cc07/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:04:54,402 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10162332-f123-449d-8239-13128141cc07/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 15:04:54,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10162332-f123-449d-8239-13128141cc07/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 15:04:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 15:04:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 15:04:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 15:04:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:04:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 15:04:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 15:04:54,431 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 15:04:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 15:04:54,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 15:04:54,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:04:54,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:04:54,433 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 15:04:54,526 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:04:54,528 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:04:54,638 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:04:54,644 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:04:54,644 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 15:04:54,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:04:54 BoogieIcfgContainer [2022-12-13 15:04:54,646 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:04:54,648 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 15:04:54,648 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 15:04:54,650 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 15:04:54,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:04:54" (1/3) ... [2022-12-13 15:04:54,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20d2d294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:04:54, skipping insertion in model container [2022-12-13 15:04:54,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:04:54" (2/3) ... [2022-12-13 15:04:54,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20d2d294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:04:54, skipping insertion in model container [2022-12-13 15:04:54,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:04:54" (3/3) ... [2022-12-13 15:04:54,652 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_pos.i [2022-12-13 15:04:54,659 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 15:04:54,667 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 15:04:54,667 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 15:04:54,667 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 15:04:54,707 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-13 15:04:54,732 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 74 places, 71 transitions, 150 flow [2022-12-13 15:04:54,761 INFO L130 PetriNetUnfolder]: 1/70 cut-off events. [2022-12-13 15:04:54,761 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 15:04:54,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 70 events. 1/70 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 36 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place. [2022-12-13 15:04:54,765 INFO L82 GeneralOperation]: Start removeDead. Operand has 74 places, 71 transitions, 150 flow [2022-12-13 15:04:54,767 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 56 transitions, 115 flow [2022-12-13 15:04:54,770 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 15:04:54,790 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 56 transitions, 115 flow [2022-12-13 15:04:54,793 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 56 transitions, 115 flow [2022-12-13 15:04:54,794 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 60 places, 56 transitions, 115 flow [2022-12-13 15:04:54,818 INFO L130 PetriNetUnfolder]: 0/56 cut-off events. [2022-12-13 15:04:54,818 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 15:04:54,818 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 56 events. 0/56 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 19 event pairs, 0 based on Foata normal form. 0/56 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-12-13 15:04:54,819 INFO L119 LiptonReduction]: Number of co-enabled transitions 280 [2022-12-13 15:04:56,486 INFO L134 LiptonReduction]: Checked pairs total: 580 [2022-12-13 15:04:56,487 INFO L136 LiptonReduction]: Total number of compositions: 44 [2022-12-13 15:04:56,498 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 15:04:56,502 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;@750eb619, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 15:04:56,503 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 15:04:56,505 INFO L130 PetriNetUnfolder]: 0/5 cut-off events. [2022-12-13 15:04:56,505 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 15:04:56,505 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:04:56,505 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-13 15:04:56,505 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 15:04:56,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:04:56,509 INFO L85 PathProgramCache]: Analyzing trace with hash 7252311, now seen corresponding path program 1 times [2022-12-13 15:04:56,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:04:56,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511599879] [2022-12-13 15:04:56,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:04:56,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:04:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:04:56,597 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:04:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:04:56,622 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:04:56,624 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 15:04:56,625 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-12-13 15:04:56,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-12-13 15:04:56,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 15:04:56,627 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 15:04:56,631 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 15:04:56,631 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 15:04:56,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 03:04:56 BasicIcfg [2022-12-13 15:04:56,643 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 15:04:56,643 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 15:04:56,643 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 15:04:56,643 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 15:04:56,644 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:04:54" (3/4) ... [2022-12-13 15:04:56,645 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 15:04:56,667 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10162332-f123-449d-8239-13128141cc07/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 15:04:56,667 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 15:04:56,668 INFO L158 Benchmark]: Toolchain (without parser) took 2627.07ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 105.5MB in the beginning and 131.1MB in the end (delta: -25.7MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2022-12-13 15:04:56,668 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 140.5MB. Free memory was 110.6MB in the beginning and 110.4MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:04:56,669 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.76ms. Allocated memory is still 140.5MB. Free memory was 105.1MB in the beginning and 86.4MB in the end (delta: 18.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-13 15:04:56,669 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.07ms. Allocated memory is still 140.5MB. Free memory was 86.4MB in the beginning and 84.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:04:56,669 INFO L158 Benchmark]: Boogie Preprocessor took 15.52ms. Allocated memory is still 140.5MB. Free memory was 84.2MB in the beginning and 83.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:04:56,670 INFO L158 Benchmark]: RCFGBuilder took 267.59ms. Allocated memory is still 140.5MB. Free memory was 83.1MB in the beginning and 70.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 15:04:56,670 INFO L158 Benchmark]: TraceAbstraction took 1995.08ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 69.7MB in the beginning and 133.2MB in the end (delta: -63.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:04:56,670 INFO L158 Benchmark]: Witness Printer took 24.16ms. Allocated memory is still 169.9MB. Free memory was 133.2MB in the beginning and 131.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:04:56,672 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 140.5MB. Free memory was 110.6MB in the beginning and 110.4MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.76ms. Allocated memory is still 140.5MB. Free memory was 105.1MB in the beginning and 86.4MB in the end (delta: 18.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.07ms. Allocated memory is still 140.5MB. Free memory was 86.4MB in the beginning and 84.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.52ms. Allocated memory is still 140.5MB. Free memory was 84.2MB in the beginning and 83.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 267.59ms. Allocated memory is still 140.5MB. Free memory was 83.1MB in the beginning and 70.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1995.08ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 69.7MB in the beginning and 133.2MB in the end (delta: -63.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 24.16ms. Allocated memory is still 169.9MB. Free memory was 133.2MB in the beginning and 131.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.7s, 60 PlacesBefore, 16 PlacesAfterwards, 56 TransitionsBefore, 12 TransitionsAfterwards, 280 CoEnabledTransitionPairs, 6 FixpointIterations, 30 TrivialSequentialCompositions, 14 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 44 TotalNumberOfCompositions, 580 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 384, independent: 281, independent conditional: 0, independent unconditional: 281, dependent: 103, dependent conditional: 0, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 170, independent: 144, independent conditional: 0, independent unconditional: 144, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 384, independent: 137, independent conditional: 0, independent unconditional: 137, dependent: 77, dependent conditional: 0, dependent unconditional: 77, unknown: 170, unknown conditional: 0, unknown unconditional: 170] , Statistics on independence cache: Total cache size (in pairs): 15, Positive cache size: 7, Positive conditional cache size: 0, Positive unconditional cache size: 7, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L681] 0 int glob1 = 0; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L696] 0 pthread_t id; [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={6:0}, mutex1={3:0}, mutex2={4:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L699] CALL 0 __VERIFIER_assert(glob1 == 5) [L19] COND TRUE 0 !(cond) [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, mutex1={3:0}, mutex2={4:0}] - 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 with 1 thread instances CFG has 3 procedures, 87 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.9s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-13 15:04:56,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10162332-f123-449d-8239-13128141cc07/bin/uautomizer-uyxdKDjOR8/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