./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 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_5630af7d-294c-4669-a4c6-f9d5b9b882ff/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5630af7d-294c-4669-a4c6-f9d5b9b882ff/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_5630af7d-294c-4669-a4c6-f9d5b9b882ff/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5630af7d-294c-4669-a4c6-f9d5b9b882ff/bin/uautomizer-uyxdKDjOR8/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_5630af7d-294c-4669-a4c6-f9d5b9b882ff/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_5630af7d-294c-4669-a4c6-f9d5b9b882ff/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 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-2329fc7 [2022-12-13 21:52:39,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:52:39,096 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:52:39,115 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:52:39,115 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:52:39,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:52:39,118 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:52:39,119 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:52:39,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:52:39,122 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:52:39,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:52:39,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:52:39,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:52:39,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:52:39,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:52:39,127 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:52:39,128 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:52:39,129 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:52:39,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:52:39,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:52:39,134 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:52:39,135 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:52:39,136 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:52:39,137 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:52:39,140 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:52:39,141 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:52:39,141 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:52:39,142 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:52:39,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:52:39,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:52:39,143 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:52:39,144 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:52:39,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:52:39,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:52:39,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:52:39,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:52:39,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:52:39,148 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:52:39,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:52:39,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:52:39,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:52:39,150 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5630af7d-294c-4669-a4c6-f9d5b9b882ff/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 21:52:39,172 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:52:39,172 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:52:39,172 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:52:39,172 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:52:39,173 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:52:39,173 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:52:39,174 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:52:39,174 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:52:39,174 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:52:39,174 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:52:39,175 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 21:52:39,175 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 21:52:39,175 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 21:52:39,175 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:52:39,175 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 21:52:39,176 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:52:39,176 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 21:52:39,176 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 21:52:39,176 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:52:39,176 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:52:39,176 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 21:52:39,177 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:52:39,177 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:52:39,177 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:52:39,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:52:39,181 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:52:39,182 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:52:39,182 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 21:52:39,182 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 21:52:39,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 21:52:39,182 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:52:39,182 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 21:52:39,183 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:52:39,183 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:52:39,183 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:52:39,183 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_5630af7d-294c-4669-a4c6-f9d5b9b882ff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5630af7d-294c-4669-a4c6-f9d5b9b882ff/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a91542c733a27a18dff97acca49ae580b7929842603ed8a2c1cdbb309e164d67 [2022-12-13 21:52:39,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:52:39,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:52:39,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:52:39,362 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:52:39,362 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:52:39,363 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5630af7d-294c-4669-a4c6-f9d5b9b882ff/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_pos.i [2022-12-13 21:52:41,949 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:52:42,165 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:52:42,166 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5630af7d-294c-4669-a4c6-f9d5b9b882ff/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_pos.i [2022-12-13 21:52:42,177 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5630af7d-294c-4669-a4c6-f9d5b9b882ff/bin/uautomizer-uyxdKDjOR8/data/46e87bdb7/4ea1d2f7c7ed4255afe01b9822f99cd8/FLAGba3cabc76 [2022-12-13 21:52:42,191 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5630af7d-294c-4669-a4c6-f9d5b9b882ff/bin/uautomizer-uyxdKDjOR8/data/46e87bdb7/4ea1d2f7c7ed4255afe01b9822f99cd8 [2022-12-13 21:52:42,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:52:42,195 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:52:42,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:52:42,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:52:42,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:52:42,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:52:42" (1/1) ... [2022-12-13 21:52:42,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1be3297b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:52:42, skipping insertion in model container [2022-12-13 21:52:42,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:52:42" (1/1) ... [2022-12-13 21:52:42,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:52:42,241 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:52:42,378 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_5630af7d-294c-4669-a4c6-f9d5b9b882ff/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_pos.i[1097,1110] [2022-12-13 21:52:42,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:52:42,492 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:52:42,501 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_5630af7d-294c-4669-a4c6-f9d5b9b882ff/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_pos.i[1097,1110] [2022-12-13 21:52:42,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:52:42,543 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:52:42,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:52:42 WrapperNode [2022-12-13 21:52:42,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:52:42,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:52:42,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:52:42,545 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:52:42,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:52:42" (1/1) ... [2022-12-13 21:52:42,558 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:52:42" (1/1) ... [2022-12-13 21:52:42,571 INFO L138 Inliner]: procedures = 163, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2022-12-13 21:52:42,571 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:52:42,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:52:42,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:52:42,572 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:52:42,578 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:52:42" (1/1) ... [2022-12-13 21:52:42,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:52:42" (1/1) ... [2022-12-13 21:52:42,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:52:42" (1/1) ... [2022-12-13 21:52:42,580 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:52:42" (1/1) ... [2022-12-13 21:52:42,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:52:42" (1/1) ... [2022-12-13 21:52:42,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:52:42" (1/1) ... [2022-12-13 21:52:42,585 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:52:42" (1/1) ... [2022-12-13 21:52:42,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:52:42" (1/1) ... [2022-12-13 21:52:42,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:52:42,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:52:42,588 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:52:42,588 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:52:42,588 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:52:42" (1/1) ... [2022-12-13 21:52:42,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:52:42,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5630af7d-294c-4669-a4c6-f9d5b9b882ff/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:52:42,610 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5630af7d-294c-4669-a4c6-f9d5b9b882ff/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:52:42,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5630af7d-294c-4669-a4c6-f9d5b9b882ff/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:52:42,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 21:52:42,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 21:52:42,636 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 21:52:42,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:52:42,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 21:52:42,636 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 21:52:42,636 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 21:52:42,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 21:52:42,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 21:52:42,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:52:42,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:52:42,638 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 21:52:42,730 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:52:42,731 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:52:42,835 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:52:42,848 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:52:42,848 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 21:52:42,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:52:42 BoogieIcfgContainer [2022-12-13 21:52:42,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:52:42,853 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 21:52:42,853 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 21:52:42,856 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 21:52:42,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:52:42" (1/3) ... [2022-12-13 21:52:42,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67196fc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:52:42, skipping insertion in model container [2022-12-13 21:52:42,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:52:42" (2/3) ... [2022-12-13 21:52:42,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67196fc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:52:42, skipping insertion in model container [2022-12-13 21:52:42,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:52:42" (3/3) ... [2022-12-13 21:52:42,858 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_1_pos.i [2022-12-13 21:52:42,866 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 21:52:42,883 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 21:52:42,883 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 21:52:42,883 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 21:52:42,937 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-13 21:52:42,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 66 places, 64 transitions, 136 flow [2022-12-13 21:52:43,004 INFO L130 PetriNetUnfolder]: 2/63 cut-off events. [2022-12-13 21:52:43,004 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 21:52:43,008 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. [2022-12-13 21:52:43,008 INFO L82 GeneralOperation]: Start removeDead. Operand has 66 places, 64 transitions, 136 flow [2022-12-13 21:52:43,012 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 50 places, 47 transitions, 97 flow [2022-12-13 21:52:43,014 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 21:52:43,024 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 47 transitions, 97 flow [2022-12-13 21:52:43,027 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 47 transitions, 97 flow [2022-12-13 21:52:43,028 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 50 places, 47 transitions, 97 flow [2022-12-13 21:52:43,042 INFO L130 PetriNetUnfolder]: 1/47 cut-off events. [2022-12-13 21:52:43,043 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 21:52:43,043 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. [2022-12-13 21:52:43,044 INFO L119 LiptonReduction]: Number of co-enabled transitions 192 [2022-12-13 21:52:44,488 INFO L134 LiptonReduction]: Checked pairs total: 214 [2022-12-13 21:52:44,488 INFO L136 LiptonReduction]: Total number of compositions: 48 [2022-12-13 21:52:44,499 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 21:52:44,503 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;@33b08d56, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 21:52:44,504 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-13 21:52:44,505 INFO L130 PetriNetUnfolder]: 0/3 cut-off events. [2022-12-13 21:52:44,505 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 21:52:44,506 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:52:44,506 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-13 21:52:44,506 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:52:44,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:52:44,510 INFO L85 PathProgramCache]: Analyzing trace with hash 237794, now seen corresponding path program 1 times [2022-12-13 21:52:44,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:52:44,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347397410] [2022-12-13 21:52:44,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:52:44,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:52:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:52:44,602 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:52:44,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:52:44,629 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:52:44,631 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 21:52:44,631 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-12-13 21:52:44,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-12-13 21:52:44,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-12-13 21:52:44,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 21:52:44,634 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 21:52:44,639 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 21:52:44,639 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 21:52:44,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:52:44 BasicIcfg [2022-12-13 21:52:44,651 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 21:52:44,652 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:52:44,652 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:52:44,652 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:52:44,653 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:52:42" (3/4) ... [2022-12-13 21:52:44,654 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 21:52:44,679 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5630af7d-294c-4669-a4c6-f9d5b9b882ff/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 21:52:44,679 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:52:44,680 INFO L158 Benchmark]: Toolchain (without parser) took 2485.19ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 102.2MB in the beginning and 54.5MB in the end (delta: 47.7MB). Peak memory consumption was 79.9MB. Max. memory is 16.1GB. [2022-12-13 21:52:44,680 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory is still 76.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:52:44,681 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.60ms. Allocated memory is still 146.8MB. Free memory was 102.2MB in the beginning and 83.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 21:52:44,681 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.74ms. Allocated memory is still 146.8MB. Free memory was 83.3MB in the beginning and 81.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:52:44,681 INFO L158 Benchmark]: Boogie Preprocessor took 15.67ms. Allocated memory is still 146.8MB. Free memory was 81.2MB in the beginning and 80.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:52:44,682 INFO L158 Benchmark]: RCFGBuilder took 262.90ms. Allocated memory is still 146.8MB. Free memory was 80.1MB in the beginning and 116.9MB in the end (delta: -36.8MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2022-12-13 21:52:44,682 INFO L158 Benchmark]: TraceAbstraction took 1798.68ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 116.2MB in the beginning and 56.7MB in the end (delta: 59.6MB). Peak memory consumption was 88.9MB. Max. memory is 16.1GB. [2022-12-13 21:52:44,683 INFO L158 Benchmark]: Witness Printer took 27.27ms. Allocated memory is still 176.2MB. Free memory was 56.7MB in the beginning and 54.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:52:44,686 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 104.9MB. Free memory is still 76.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.60ms. Allocated memory is still 146.8MB. Free memory was 102.2MB in the beginning and 83.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.74ms. Allocated memory is still 146.8MB. Free memory was 83.3MB in the beginning and 81.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.67ms. Allocated memory is still 146.8MB. Free memory was 81.2MB in the beginning and 80.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 262.90ms. Allocated memory is still 146.8MB. Free memory was 80.1MB in the beginning and 116.9MB in the end (delta: -36.8MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1798.68ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 116.2MB in the beginning and 56.7MB in the end (delta: 59.6MB). Peak memory consumption was 88.9MB. Max. memory is 16.1GB. * Witness Printer took 27.27ms. Allocated memory is still 176.2MB. Free memory was 56.7MB in the beginning and 54.5MB 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: 1.5s, 50 PlacesBefore, 9 PlacesAfterwards, 47 TransitionsBefore, 5 TransitionsAfterwards, 192 CoEnabledTransitionPairs, 6 FixpointIterations, 23 TrivialSequentialCompositions, 17 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 1 ChoiceCompositions, 48 TotalNumberOfCompositions, 214 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 163, independent: 145, independent conditional: 0, independent unconditional: 145, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 114, independent: 102, independent conditional: 0, independent unconditional: 102, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 163, independent: 43, independent conditional: 0, independent unconditional: 43, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 114, unknown conditional: 0, unknown unconditional: 114] , Statistics on independence cache: Total cache size (in pairs): 2, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, 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))=-1] [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 [\old(cond)=0, cond=0, glob1=1, mutex1={3:0}] - 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: 1.7s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred 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, 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! [2022-12-13 21:52:44,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5630af7d-294c-4669-a4c6-f9d5b9b882ff/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