./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_pos.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 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_8e59da17-78d4-42ff-b758-94a1f68071a9/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e59da17-78d4-42ff-b758-94a1f68071a9/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e59da17-78d4-42ff-b758-94a1f68071a9/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e59da17-78d4-42ff-b758-94a1f68071a9/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_pos.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e59da17-78d4-42ff-b758-94a1f68071a9/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e59da17-78d4-42ff-b758-94a1f68071a9/bin/uautomizer-QkZJyEgLgS --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 a91542c733a27a18dff97acca49ae580b7929842603ed8a2c1cdbb309e164d67 --- 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-4e7fbc6 [2022-11-23 03:43:31,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 03:43:31,495 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 03:43:31,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 03:43:31,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 03:43:31,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 03:43:31,542 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 03:43:31,544 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 03:43:31,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 03:43:31,552 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 03:43:31,554 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 03:43:31,560 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 03:43:31,561 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 03:43:31,568 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 03:43:31,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 03:43:31,570 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 03:43:31,571 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 03:43:31,572 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 03:43:31,574 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 03:43:31,576 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 03:43:31,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 03:43:31,584 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 03:43:31,586 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 03:43:31,587 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 03:43:31,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 03:43:31,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 03:43:31,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 03:43:31,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 03:43:31,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 03:43:31,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 03:43:31,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 03:43:31,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 03:43:31,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 03:43:31,607 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 03:43:31,608 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 03:43:31,608 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 03:43:31,609 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 03:43:31,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 03:43:31,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 03:43:31,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 03:43:31,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 03:43:31,612 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e59da17-78d4-42ff-b758-94a1f68071a9/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-23 03:43:31,654 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 03:43:31,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 03:43:31,655 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 03:43:31,655 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 03:43:31,656 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 03:43:31,657 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 03:43:31,657 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 03:43:31,657 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 03:43:31,658 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 03:43:31,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 03:43:31,659 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 03:43:31,659 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 03:43:31,659 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 03:43:31,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 03:43:31,660 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 03:43:31,660 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 03:43:31,660 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 03:43:31,660 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 03:43:31,661 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 03:43:31,661 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 03:43:31,661 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 03:43:31,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 03:43:31,662 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 03:43:31,662 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 03:43:31,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:43:31,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 03:43:31,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 03:43:31,663 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 03:43:31,663 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 03:43:31,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 03:43:31,663 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 03:43:31,663 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 03:43:31,664 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 03:43:31,664 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 03:43:31,664 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_8e59da17-78d4-42ff-b758-94a1f68071a9/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e59da17-78d4-42ff-b758-94a1f68071a9/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a91542c733a27a18dff97acca49ae580b7929842603ed8a2c1cdbb309e164d67 [2022-11-23 03:43:31,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 03:43:31,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 03:43:31,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 03:43:31,977 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 03:43:31,977 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 03:43:31,979 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e59da17-78d4-42ff-b758-94a1f68071a9/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_pos.i [2022-11-23 03:43:34,996 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 03:43:35,351 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 03:43:35,351 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e59da17-78d4-42ff-b758-94a1f68071a9/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_pos.i [2022-11-23 03:43:35,378 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e59da17-78d4-42ff-b758-94a1f68071a9/bin/uautomizer-QkZJyEgLgS/data/b728e4e85/77f513cbfb33447b9799e0f936ce60b9/FLAGdd740be22 [2022-11-23 03:43:35,400 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e59da17-78d4-42ff-b758-94a1f68071a9/bin/uautomizer-QkZJyEgLgS/data/b728e4e85/77f513cbfb33447b9799e0f936ce60b9 [2022-11-23 03:43:35,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 03:43:35,407 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 03:43:35,409 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 03:43:35,409 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 03:43:35,413 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 03:43:35,414 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:43:35" (1/1) ... [2022-11-23 03:43:35,416 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62ba6e55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:35, skipping insertion in model container [2022-11-23 03:43:35,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:43:35" (1/1) ... [2022-11-23 03:43:35,426 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 03:43:35,464 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 03:43:35,719 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_8e59da17-78d4-42ff-b758-94a1f68071a9/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_pos.i[1097,1110] [2022-11-23 03:43:35,985 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:43:36,000 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 03:43:36,018 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_8e59da17-78d4-42ff-b758-94a1f68071a9/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_pos.i[1097,1110] [2022-11-23 03:43:36,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:43:36,110 INFO L208 MainTranslator]: Completed translation [2022-11-23 03:43:36,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:36 WrapperNode [2022-11-23 03:43:36,111 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 03:43:36,112 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 03:43:36,113 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 03:43:36,113 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 03:43:36,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:36" (1/1) ... [2022-11-23 03:43:36,153 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:36" (1/1) ... [2022-11-23 03:43:36,177 INFO L138 Inliner]: procedures = 163, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2022-11-23 03:43:36,177 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 03:43:36,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 03:43:36,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 03:43:36,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 03:43:36,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:36" (1/1) ... [2022-11-23 03:43:36,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:36" (1/1) ... [2022-11-23 03:43:36,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:36" (1/1) ... [2022-11-23 03:43:36,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:36" (1/1) ... [2022-11-23 03:43:36,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:36" (1/1) ... [2022-11-23 03:43:36,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:36" (1/1) ... [2022-11-23 03:43:36,207 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:36" (1/1) ... [2022-11-23 03:43:36,208 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:36" (1/1) ... [2022-11-23 03:43:36,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 03:43:36,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 03:43:36,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 03:43:36,212 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 03:43:36,213 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:36" (1/1) ... [2022-11-23 03:43:36,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:43:36,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e59da17-78d4-42ff-b758-94a1f68071a9/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:43:36,256 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e59da17-78d4-42ff-b758-94a1f68071a9/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 03:43:36,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e59da17-78d4-42ff-b758-94a1f68071a9/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 03:43:36,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 03:43:36,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 03:43:36,297 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-23 03:43:36,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 03:43:36,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 03:43:36,297 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-23 03:43:36,297 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-23 03:43:36,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 03:43:36,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 03:43:36,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 03:43:36,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 03:43:36,299 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 03:43:36,427 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 03:43:36,429 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 03:43:36,605 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 03:43:36,611 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 03:43:36,612 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 03:43:36,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:43:36 BoogieIcfgContainer [2022-11-23 03:43:36,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 03:43:36,616 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 03:43:36,616 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 03:43:36,620 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 03:43:36,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:43:35" (1/3) ... [2022-11-23 03:43:36,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7532d063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:43:36, skipping insertion in model container [2022-11-23 03:43:36,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:36" (2/3) ... [2022-11-23 03:43:36,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7532d063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:43:36, skipping insertion in model container [2022-11-23 03:43:36,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:43:36" (3/3) ... [2022-11-23 03:43:36,623 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_1_pos.i [2022-11-23 03:43:36,632 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 03:43:36,644 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 03:43:36,644 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 03:43:36,644 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 03:43:36,732 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-23 03:43:36,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 66 places, 64 transitions, 136 flow [2022-11-23 03:43:36,810 INFO L130 PetriNetUnfolder]: 2/63 cut-off events. [2022-11-23 03:43:36,810 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-23 03:43:36,814 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 63 events. 2/63 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place. [2022-11-23 03:43:36,814 INFO L82 GeneralOperation]: Start removeDead. Operand has 66 places, 64 transitions, 136 flow [2022-11-23 03:43:36,818 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 50 places, 47 transitions, 97 flow [2022-11-23 03:43:36,822 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-23 03:43:36,837 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 47 transitions, 97 flow [2022-11-23 03:43:36,840 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 47 transitions, 97 flow [2022-11-23 03:43:36,841 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 50 places, 47 transitions, 97 flow [2022-11-23 03:43:36,857 INFO L130 PetriNetUnfolder]: 1/47 cut-off events. [2022-11-23 03:43:36,858 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 03:43:36,858 INFO L83 FinitePrefix]: Finished finitePrefix Result has 51 conditions, 47 events. 1/47 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 15 event pairs, 0 based on Foata normal form. 0/46 useless extension candidates. Maximal degree in co-relation 22. Up to 2 conditions per place. [2022-11-23 03:43:36,859 INFO L119 LiptonReduction]: Number of co-enabled transitions 192 [2022-11-23 03:43:39,304 INFO L134 LiptonReduction]: Checked pairs total: 150 [2022-11-23 03:43:39,304 INFO L136 LiptonReduction]: Total number of compositions: 49 [2022-11-23 03:43:39,321 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 03:43:39,328 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;@34adf6a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 03:43:39,328 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-23 03:43:39,331 INFO L130 PetriNetUnfolder]: 0/3 cut-off events. [2022-11-23 03:43:39,332 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 03:43:39,332 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 03:43:39,333 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-11-23 03:43:39,333 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:43:39,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:43:39,339 INFO L85 PathProgramCache]: Analyzing trace with hash 236835, now seen corresponding path program 1 times [2022-11-23 03:43:39,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:43:39,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655997849] [2022-11-23 03:43:39,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:43:39,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:43:39,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:43:39,514 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:43:39,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:43:39,565 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:43:39,566 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 03:43:39,571 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-11-23 03:43:39,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-11-23 03:43:39,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-11-23 03:43:39,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 03:43:39,576 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-23 03:43:39,588 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-23 03:43:39,589 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 03:43:39,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:43:39 BasicIcfg [2022-11-23 03:43:39,611 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 03:43:39,612 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 03:43:39,612 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 03:43:39,612 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 03:43:39,613 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:43:36" (3/4) ... [2022-11-23 03:43:39,614 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-23 03:43:39,661 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e59da17-78d4-42ff-b758-94a1f68071a9/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 03:43:39,662 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 03:43:39,663 INFO L158 Benchmark]: Toolchain (without parser) took 4255.62ms. Allocated memory is still 157.3MB. Free memory was 123.9MB in the beginning and 79.7MB in the end (delta: 44.1MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2022-11-23 03:43:39,663 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 130.0MB. Free memory was 75.0MB in the beginning and 74.8MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:43:39,663 INFO L158 Benchmark]: CACSL2BoogieTranslator took 702.43ms. Allocated memory is still 157.3MB. Free memory was 123.9MB in the beginning and 104.5MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-23 03:43:39,664 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.30ms. Allocated memory is still 157.3MB. Free memory was 104.5MB in the beginning and 103.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:43:39,664 INFO L158 Benchmark]: Boogie Preprocessor took 27.27ms. Allocated memory is still 157.3MB. Free memory was 103.1MB in the beginning and 101.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:43:39,665 INFO L158 Benchmark]: RCFGBuilder took 402.74ms. Allocated memory is still 157.3MB. Free memory was 101.7MB in the beginning and 89.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-23 03:43:39,665 INFO L158 Benchmark]: TraceAbstraction took 2994.74ms. Allocated memory is still 157.3MB. Free memory was 88.4MB in the beginning and 81.8MB in the end (delta: 6.6MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2022-11-23 03:43:39,665 INFO L158 Benchmark]: Witness Printer took 50.19ms. Allocated memory is still 157.3MB. Free memory was 81.8MB in the beginning and 79.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:43:39,668 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 130.0MB. Free memory was 75.0MB in the beginning and 74.8MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 702.43ms. Allocated memory is still 157.3MB. Free memory was 123.9MB in the beginning and 104.5MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.30ms. Allocated memory is still 157.3MB. Free memory was 104.5MB in the beginning and 103.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.27ms. Allocated memory is still 157.3MB. Free memory was 103.1MB in the beginning and 101.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 402.74ms. Allocated memory is still 157.3MB. Free memory was 101.7MB in the beginning and 89.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2994.74ms. Allocated memory is still 157.3MB. Free memory was 88.4MB in the beginning and 81.8MB in the end (delta: 6.6MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * Witness Printer took 50.19ms. Allocated memory is still 157.3MB. Free memory was 81.8MB in the beginning and 79.7MB 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.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.5s, 50 PlacesBefore, 8 PlacesAfterwards, 47 TransitionsBefore, 4 TransitionsAfterwards, 192 CoEnabledTransitionPairs, 5 FixpointIterations, 23 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 1 ChoiceCompositions, 49 TotalNumberOfCompositions, 150 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 139, independent: 136, independent conditional: 0, independent unconditional: 136, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 130, independent: 127, independent conditional: 0, independent unconditional: 127, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 130, independent: 123, independent conditional: 0, independent unconditional: 123, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 39, independent: 24, independent conditional: 0, independent unconditional: 24, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 139, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 130, unknown conditional: 0, unknown unconditional: 130] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, 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: [L682] 0 int glob1 = 0; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L697] 0 pthread_t id; [L698] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [glob1=0, id={5:0}, mutex1={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=0] [L685] 1 int t = __VERIFIER_nondet_int(); [L687] COND TRUE 1 t == 42 [L688] 1 glob1 = 1 [L690] 1 t = glob1 [L691] CALL 1 __VERIFIER_assert(t == 0) [L19] COND TRUE 1 !(cond) [L19] 1 reach_error() VAL [cond=0, glob1=1, mutex1={3:0}, unknown-#in~cond-unknown=0] - UnprovableResult [Line: 698]: 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, 3 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: 2.8s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-23 03:43:39,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e59da17-78d4-42ff-b758-94a1f68071a9/bin/uautomizer-QkZJyEgLgS/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