./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86988325-e3af-4201-a241-0009111a3135/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86988325-e3af-4201-a241-0009111a3135/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_86988325-e3af-4201-a241-0009111a3135/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86988325-e3af-4201-a241-0009111a3135/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86988325-e3af-4201-a241-0009111a3135/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_86988325-e3af-4201-a241-0009111a3135/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 4fac19196210fd8dde96f5954c583dd6bd52f0c23546782896f7a0038bedd43c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 12:39:12,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:39:12,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:39:12,498 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:39:12,498 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:39:12,499 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:39:12,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:39:12,502 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:39:12,503 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:39:12,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:39:12,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:39:12,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:39:12,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:39:12,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:39:12,508 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:39:12,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:39:12,511 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:39:12,511 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:39:12,513 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:39:12,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:39:12,516 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:39:12,517 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:39:12,518 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:39:12,519 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:39:12,522 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:39:12,522 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:39:12,523 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:39:12,524 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:39:12,524 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:39:12,525 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:39:12,525 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:39:12,526 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:39:12,526 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:39:12,527 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:39:12,528 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:39:12,528 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:39:12,529 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:39:12,529 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:39:12,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:39:12,530 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:39:12,531 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:39:12,531 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86988325-e3af-4201-a241-0009111a3135/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 12:39:12,551 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:39:12,551 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:39:12,551 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:39:12,551 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:39:12,556 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 12:39:12,556 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 12:39:12,557 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:39:12,557 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:39:12,557 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:39:12,557 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:39:12,557 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 12:39:12,558 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:39:12,558 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 12:39:12,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:39:12,558 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:39:12,558 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:39:12,558 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:39:12,559 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 12:39:12,559 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:39:12,559 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:39:12,559 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:39:12,559 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:39:12,560 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:39:12,560 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:39:12,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:39:12,560 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:39:12,560 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:39:12,561 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:39:12,561 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:39:12,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 12:39:12,561 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 12:39:12,561 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 12:39:12,561 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 12:39:12,562 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 12:39:12,562 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 12:39:12,562 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_86988325-e3af-4201-a241-0009111a3135/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86988325-e3af-4201-a241-0009111a3135/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fac19196210fd8dde96f5954c583dd6bd52f0c23546782896f7a0038bedd43c [2022-12-13 12:39:12,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:39:12,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:39:12,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:39:12,770 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:39:12,770 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:39:12,772 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86988325-e3af-4201-a241-0009111a3135/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2022-12-13 12:39:15,371 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:39:15,521 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:39:15,521 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86988325-e3af-4201-a241-0009111a3135/sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2022-12-13 12:39:15,530 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86988325-e3af-4201-a241-0009111a3135/bin/uautomizer-uyxdKDjOR8/data/5a2435acf/68908c0fab6246ef8d4da51024c31411/FLAGe06e0bc8d [2022-12-13 12:39:15,540 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86988325-e3af-4201-a241-0009111a3135/bin/uautomizer-uyxdKDjOR8/data/5a2435acf/68908c0fab6246ef8d4da51024c31411 [2022-12-13 12:39:15,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:39:15,543 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:39:15,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:39:15,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:39:15,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:39:15,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:39:15" (1/1) ... [2022-12-13 12:39:15,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4838de9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:39:15, skipping insertion in model container [2022-12-13 12:39:15,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:39:15" (1/1) ... [2022-12-13 12:39:15,553 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:39:15,581 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:39:15,686 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_86988325-e3af-4201-a241-0009111a3135/sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i[1097,1110] [2022-12-13 12:39:15,778 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:39:15,787 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:39:15,796 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_86988325-e3af-4201-a241-0009111a3135/sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i[1097,1110] [2022-12-13 12:39:15,813 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:39:15,834 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:39:15,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:39:15 WrapperNode [2022-12-13 12:39:15,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:39:15,836 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:39:15,836 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:39:15,836 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:39:15,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:39:15" (1/1) ... [2022-12-13 12:39:15,849 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:39:15" (1/1) ... [2022-12-13 12:39:15,863 INFO L138 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2022-12-13 12:39:15,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:39:15,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:39:15,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:39:15,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:39:15,870 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:39:15" (1/1) ... [2022-12-13 12:39:15,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:39:15" (1/1) ... [2022-12-13 12:39:15,872 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:39:15" (1/1) ... [2022-12-13 12:39:15,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:39:15" (1/1) ... [2022-12-13 12:39:15,876 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:39:15" (1/1) ... [2022-12-13 12:39:15,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:39:15" (1/1) ... [2022-12-13 12:39:15,878 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:39:15" (1/1) ... [2022-12-13 12:39:15,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:39:15" (1/1) ... [2022-12-13 12:39:15,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:39:15,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:39:15,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:39:15,881 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:39:15,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:39:15" (1/1) ... [2022-12-13 12:39:15,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:39:15,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86988325-e3af-4201-a241-0009111a3135/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:39:15,905 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86988325-e3af-4201-a241-0009111a3135/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 12:39:15,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86988325-e3af-4201-a241-0009111a3135/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 12:39:15,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 12:39:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 12:39:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:39:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 12:39:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 12:39:15,939 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 12:39:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 12:39:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 12:39:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:39:15,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:39:15,941 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 12:39:16,038 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:39:16,040 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:39:16,154 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:39:16,161 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:39:16,161 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 12:39:16,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:39:16 BoogieIcfgContainer [2022-12-13 12:39:16,163 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:39:16,166 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:39:16,166 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:39:16,169 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:39:16,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:39:15" (1/3) ... [2022-12-13 12:39:16,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aa9bebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:39:16, skipping insertion in model container [2022-12-13 12:39:16,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:39:15" (2/3) ... [2022-12-13 12:39:16,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aa9bebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:39:16, skipping insertion in model container [2022-12-13 12:39:16,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:39:16" (3/3) ... [2022-12-13 12:39:16,172 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_neg.i [2022-12-13 12:39:16,180 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 12:39:16,190 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:39:16,191 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 12:39:16,191 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 12:39:16,235 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 12:39:16,270 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 69 places, 66 transitions, 137 flow [2022-12-13 12:39:16,321 INFO L130 PetriNetUnfolder]: 1/65 cut-off events. [2022-12-13 12:39:16,322 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 12:39:16,325 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 65 events. 1/65 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 26 event pairs, 0 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 33. Up to 2 conditions per place. [2022-12-13 12:39:16,325 INFO L82 GeneralOperation]: Start removeDead. Operand has 69 places, 66 transitions, 137 flow [2022-12-13 12:39:16,328 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 59 places, 55 transitions, 113 flow [2022-12-13 12:39:16,331 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 12:39:16,340 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 55 transitions, 113 flow [2022-12-13 12:39:16,342 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 55 transitions, 113 flow [2022-12-13 12:39:16,343 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 59 places, 55 transitions, 113 flow [2022-12-13 12:39:16,361 INFO L130 PetriNetUnfolder]: 0/55 cut-off events. [2022-12-13 12:39:16,362 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 12:39:16,362 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 55 events. 0/55 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. 0/55 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-12-13 12:39:16,363 INFO L119 LiptonReduction]: Number of co-enabled transitions 260 [2022-12-13 12:39:17,938 INFO L134 LiptonReduction]: Checked pairs total: 583 [2022-12-13 12:39:17,938 INFO L136 LiptonReduction]: Total number of compositions: 44 [2022-12-13 12:39:17,948 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:39:17,953 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;@6bd53a24, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 12:39:17,953 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 12:39:17,956 INFO L130 PetriNetUnfolder]: 0/9 cut-off events. [2022-12-13 12:39:17,956 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 12:39:17,956 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:39:17,956 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 12:39:17,957 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 12:39:17,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:39:17,960 INFO L85 PathProgramCache]: Analyzing trace with hash -2063363854, now seen corresponding path program 1 times [2022-12-13 12:39:17,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:39:17,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522974723] [2022-12-13 12:39:17,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:39:17,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:39:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:39:18,072 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:39:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:39:18,115 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:39:18,116 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 12:39:18,117 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-12-13 12:39:18,118 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-12-13 12:39:18,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 12:39:18,119 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 12:39:18,126 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 12:39:18,126 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 12:39:18,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 12:39:18 BasicIcfg [2022-12-13 12:39:18,143 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 12:39:18,144 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 12:39:18,144 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 12:39:18,144 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 12:39:18,145 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:39:16" (3/4) ... [2022-12-13 12:39:18,146 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 12:39:18,174 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86988325-e3af-4201-a241-0009111a3135/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 12:39:18,174 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 12:39:18,175 INFO L158 Benchmark]: Toolchain (without parser) took 2632.03ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 90.8MB in the beginning and 105.6MB in the end (delta: -14.8MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2022-12-13 12:39:18,175 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 132.1MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:39:18,176 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.25ms. Allocated memory is still 132.1MB. Free memory was 90.4MB in the beginning and 71.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 12:39:18,176 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.82ms. Allocated memory is still 132.1MB. Free memory was 71.5MB in the beginning and 69.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:39:18,177 INFO L158 Benchmark]: Boogie Preprocessor took 16.51ms. Allocated memory is still 132.1MB. Free memory was 69.8MB in the beginning and 68.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:39:18,177 INFO L158 Benchmark]: RCFGBuilder took 282.68ms. Allocated memory is still 132.1MB. Free memory was 68.1MB in the beginning and 56.0MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 12:39:18,178 INFO L158 Benchmark]: TraceAbstraction took 1977.58ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 55.2MB in the beginning and 107.7MB in the end (delta: -52.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:39:18,178 INFO L158 Benchmark]: Witness Printer took 30.20ms. Allocated memory is still 159.4MB. Free memory was 107.7MB in the beginning and 105.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:39:18,181 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 132.1MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.25ms. Allocated memory is still 132.1MB. Free memory was 90.4MB in the beginning and 71.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.82ms. Allocated memory is still 132.1MB. Free memory was 71.5MB in the beginning and 69.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.51ms. Allocated memory is still 132.1MB. Free memory was 69.8MB in the beginning and 68.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 282.68ms. Allocated memory is still 132.1MB. Free memory was 68.1MB in the beginning and 56.0MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1977.58ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 55.2MB in the beginning and 107.7MB in the end (delta: -52.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 30.20ms. Allocated memory is still 159.4MB. Free memory was 107.7MB in the beginning and 105.6MB 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: 1.6s, 59 PlacesBefore, 15 PlacesAfterwards, 55 TransitionsBefore, 11 TransitionsAfterwards, 260 CoEnabledTransitionPairs, 6 FixpointIterations, 30 TrivialSequentialCompositions, 14 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 44 TotalNumberOfCompositions, 583 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 280, independent: 197, independent conditional: 0, independent unconditional: 197, dependent: 83, dependent conditional: 0, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 144, independent: 130, independent conditional: 0, independent unconditional: 130, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 280, independent: 67, independent conditional: 0, independent unconditional: 67, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 144, unknown conditional: 0, unknown unconditional: 144] , Statistics on independence cache: Total cache size (in pairs): 14, Positive cache size: 7, Positive conditional cache size: 0, Positive unconditional cache size: 7, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, 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 g = 0; [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L693] 0 pthread_t id; [L694] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, arg={0:0}, D={4:0}, g=0, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L698] CALL 0 __VERIFIER_assert(!(g == 0)) [L19] COND TRUE 0 !(cond) [L19] 0 reach_error() VAL [\old(cond)=0, A={3:0}, arg={0:0}, cond=0, D={4:0}, g=0] - UnprovableResult [Line: 694]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 78 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.9s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred 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, 6 NumberOfCodeBlocks, 6 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 12:39:18,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86988325-e3af-4201-a241-0009111a3135/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