./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem102_label11.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25cc953b-f7bd-43d7-bb56-7ab7d2c83e56/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25cc953b-f7bd-43d7-bb56-7ab7d2c83e56/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25cc953b-f7bd-43d7-bb56-7ab7d2c83e56/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25cc953b-f7bd-43d7-bb56-7ab7d2c83e56/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem102_label11.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25cc953b-f7bd-43d7-bb56-7ab7d2c83e56/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25cc953b-f7bd-43d7-bb56-7ab7d2c83e56/bin/utaipan-fb15Y9Yzbl --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f9c9d1c9ce4dbd41060f30ce5e2567bda8591618c6d0826843499e63c97ce4f3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:00:41,118 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:00:41,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:00:41,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:00:41,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:00:41,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:00:41,179 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:00:41,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:00:41,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:00:41,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:00:41,187 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:00:41,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:00:41,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:00:41,192 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:00:41,194 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:00:41,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:00:41,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:00:41,199 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:00:41,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:00:41,206 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:00:41,209 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:00:41,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:00:41,220 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:00:41,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:00:41,231 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:00:41,242 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:00:41,243 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:00:41,245 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:00:41,245 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:00:41,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:00:41,248 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:00:41,253 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:00:41,254 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:00:41,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:00:41,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:00:41,260 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:00:41,262 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:00:41,263 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:00:41,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:00:41,264 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:00:41,265 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:00:41,266 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25cc953b-f7bd-43d7-bb56-7ab7d2c83e56/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:00:41,326 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:00:41,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:00:41,331 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:00:41,331 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:00:41,332 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:00:41,333 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:00:41,333 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:00:41,333 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:00:41,334 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:00:41,334 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:00:41,334 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:00:41,334 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:00:41,335 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:00:41,335 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:00:41,335 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:00:41,336 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:00:41,336 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:00:41,336 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:00:41,337 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:00:41,338 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:00:41,338 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:00:41,338 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:00:41,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:00:41,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:00:41,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:00:41,340 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:00:41,340 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:00:41,340 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:00:41,340 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:00:41,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:00:41,341 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:00:41,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:00:41,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:00:41,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:00:41,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:00:41,343 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:00:41,343 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:00:41,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:00:41,344 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:00:41,344 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:00:41,344 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:00:41,344 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_25cc953b-f7bd-43d7-bb56-7ab7d2c83e56/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25cc953b-f7bd-43d7-bb56-7ab7d2c83e56/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f9c9d1c9ce4dbd41060f30ce5e2567bda8591618c6d0826843499e63c97ce4f3 [2021-11-23 17:00:41,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:00:41,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:00:41,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:00:41,710 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:00:41,711 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:00:41,723 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25cc953b-f7bd-43d7-bb56-7ab7d2c83e56/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/eca-programs/Problem102_label11.c [2021-11-23 17:00:41,858 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25cc953b-f7bd-43d7-bb56-7ab7d2c83e56/bin/utaipan-fb15Y9Yzbl/data/f77022c1c/c9a6fdc7f3ed4a1e8bfc831a6cba97ef/FLAG6dc1847e0 [2021-11-23 17:00:47,172 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:00:47,174 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25cc953b-f7bd-43d7-bb56-7ab7d2c83e56/sv-benchmarks/c/eca-programs/Problem102_label11.c [2021-11-23 17:00:47,548 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25cc953b-f7bd-43d7-bb56-7ab7d2c83e56/bin/utaipan-fb15Y9Yzbl/data/f77022c1c/c9a6fdc7f3ed4a1e8bfc831a6cba97ef/FLAG6dc1847e0 [2021-11-23 17:00:47,822 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25cc953b-f7bd-43d7-bb56-7ab7d2c83e56/bin/utaipan-fb15Y9Yzbl/data/f77022c1c/c9a6fdc7f3ed4a1e8bfc831a6cba97ef [2021-11-23 17:00:47,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:00:47,827 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:00:47,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:00:47,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:00:47,840 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:00:47,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:00:47" (1/1) ... [2021-11-23 17:00:47,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dbfcedc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:00:47, skipping insertion in model container [2021-11-23 17:00:47,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:00:47" (1/1) ... [2021-11-23 17:00:47,999 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:00:49,893 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:01:20,242 WARN L230 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_25cc953b-f7bd-43d7-bb56-7ab7d2c83e56/sv-benchmarks/c/eca-programs/Problem102_label11.c[5716270,5716283] [2021-11-23 17:01:20,377 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:01:20,387 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:01:34,573 WARN L230 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_25cc953b-f7bd-43d7-bb56-7ab7d2c83e56/sv-benchmarks/c/eca-programs/Problem102_label11.c[5716270,5716283] [2021-11-23 17:01:34,578 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:01:39,744 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:01:39,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:39 WrapperNode [2021-11-23 17:01:39,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:01:39,746 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:01:39,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:01:39,746 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:01:39,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:39" (1/1) ... [2021-11-23 17:01:41,791 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:39" (1/1) ... [2021-11-23 17:01:47,711 INFO L137 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184295 [2021-11-23 17:01:47,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:01:47,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:01:47,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:01:47,713 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:01:47,722 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:39" (1/1) ... [2021-11-23 17:01:47,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:39" (1/1) ... [2021-11-23 17:01:48,766 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:39" (1/1) ... [2021-11-23 17:01:48,766 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:39" (1/1) ... [2021-11-23 17:01:51,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:39" (1/1) ... [2021-11-23 17:01:52,344 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:39" (1/1) ... [2021-11-23 17:01:52,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:39" (1/1) ... [2021-11-23 17:01:53,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:01:53,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:01:53,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:01:53,662 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:01:53,667 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:39" (1/1) ... [2021-11-23 17:01:53,679 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:01:53,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25cc953b-f7bd-43d7-bb56-7ab7d2c83e56/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:01:53,725 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25cc953b-f7bd-43d7-bb56-7ab7d2c83e56/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:01:53,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25cc953b-f7bd-43d7-bb56-7ab7d2c83e56/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:01:53,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:01:53,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:01:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:01:53,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:01:54,976 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:01:54,992 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:03:09,919 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:03:10,167 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:03:10,180 INFO L158 Benchmark]: Toolchain (without parser) took 142349.76ms. Allocated memory was 918.6MB in the beginning and 11.7GB in the end (delta: 10.8GB). Free memory was 620.0MB in the beginning and 8.0GB in the end (delta: -7.4GB). Peak memory consumption was 3.7GB. Max. memory is 16.1GB. [2021-11-23 17:03:10,181 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 123.7MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:03:10,184 INFO L158 Benchmark]: CACSL2BoogieTranslator took 51915.66ms. Allocated memory was 918.6MB in the beginning and 6.8GB in the end (delta: 5.9GB). Free memory was 620.0MB in the beginning and 4.8GB in the end (delta: -4.2GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2021-11-23 17:03:10,186 INFO L158 Benchmark]: Boogie Procedure Inliner took 7966.17ms. Allocated memory was 6.8GB in the beginning and 9.2GB in the end (delta: 2.5GB). Free memory was 4.8GB in the beginning and 6.7GB in the end (delta: -1.9GB). Peak memory consumption was 793.8MB. Max. memory is 16.1GB. [2021-11-23 17:03:10,187 INFO L158 Benchmark]: Boogie Preprocessor took 5947.91ms. Allocated memory is still 9.2GB. Free memory was 6.7GB in the beginning and 6.1GB in the end (delta: 614.5MB). Peak memory consumption was 637.5MB. Max. memory is 16.1GB. [2021-11-23 17:03:10,189 INFO L158 Benchmark]: RCFGBuilder took 76514.55ms. Allocated memory was 9.2GB in the beginning and 11.7GB in the end (delta: 2.5GB). Free memory was 6.1GB in the beginning and 8.0GB in the end (delta: -2.0GB). Peak memory consumption was 829.4MB. Max. memory is 16.1GB. [2021-11-23 17:03:10,202 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 123.7MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 51915.66ms. Allocated memory was 918.6MB in the beginning and 6.8GB in the end (delta: 5.9GB). Free memory was 620.0MB in the beginning and 4.8GB in the end (delta: -4.2GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 7966.17ms. Allocated memory was 6.8GB in the beginning and 9.2GB in the end (delta: 2.5GB). Free memory was 4.8GB in the beginning and 6.7GB in the end (delta: -1.9GB). Peak memory consumption was 793.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 5947.91ms. Allocated memory is still 9.2GB. Free memory was 6.7GB in the beginning and 6.1GB in the end (delta: 614.5MB). Peak memory consumption was 637.5MB. Max. memory is 16.1GB. * RCFGBuilder took 76514.55ms. Allocated memory was 9.2GB in the beginning and 11.7GB in the end (delta: 2.5GB). Free memory was 6.1GB in the beginning and 8.0GB in the end (delta: -2.0GB). Peak memory consumption was 829.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:03:10,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25cc953b-f7bd-43d7-bb56-7ab7d2c83e56/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25cc953b-f7bd-43d7-bb56-7ab7d2c83e56/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25cc953b-f7bd-43d7-bb56-7ab7d2c83e56/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25cc953b-f7bd-43d7-bb56-7ab7d2c83e56/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25cc953b-f7bd-43d7-bb56-7ab7d2c83e56/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem102_label11.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25cc953b-f7bd-43d7-bb56-7ab7d2c83e56/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25cc953b-f7bd-43d7-bb56-7ab7d2c83e56/bin/utaipan-fb15Y9Yzbl --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f9c9d1c9ce4dbd41060f30ce5e2567bda8591618c6d0826843499e63c97ce4f3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:03:13,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:03:13,377 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:03:13,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:03:13,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:03:13,448 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:03:13,450 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:03:13,455 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:03:13,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:03:13,470 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:03:13,472 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:03:13,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:03:13,475 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:03:13,479 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:03:13,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:03:13,489 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:03:13,491 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:03:13,492 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:03:13,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:03:13,506 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:03:13,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:03:13,511 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:03:13,514 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:03:13,517 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:03:13,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:03:13,524 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:03:13,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:03:13,526 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:03:13,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:03:13,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:03:13,528 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:03:13,529 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:03:13,531 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:03:13,532 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:03:13,533 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:03:13,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:03:13,534 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:03:13,534 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:03:13,535 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:03:13,536 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:03:13,537 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:03:13,538 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25cc953b-f7bd-43d7-bb56-7ab7d2c83e56/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:03:13,569 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:03:13,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:03:13,570 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:03:13,570 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:03:13,571 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:03:13,571 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:03:13,571 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:03:13,571 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:03:13,572 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:03:13,572 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:03:13,572 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:03:13,572 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:03:13,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:03:13,573 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:03:13,574 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:03:13,574 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:03:13,574 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:03:13,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:03:13,575 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:03:13,575 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:03:13,575 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:03:13,575 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:03:13,575 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:03:13,576 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:03:13,576 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:03:13,576 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:03:13,576 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:03:13,577 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:03:13,577 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:03:13,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:03:13,577 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:03:13,578 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:03:13,578 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:03:13,578 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:03:13,578 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:03:13,579 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:03:13,579 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:03:13,579 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:03:13,579 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_25cc953b-f7bd-43d7-bb56-7ab7d2c83e56/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25cc953b-f7bd-43d7-bb56-7ab7d2c83e56/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f9c9d1c9ce4dbd41060f30ce5e2567bda8591618c6d0826843499e63c97ce4f3 [2021-11-23 17:03:14,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:03:14,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:03:14,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:03:14,143 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:03:14,143 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:03:14,145 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25cc953b-f7bd-43d7-bb56-7ab7d2c83e56/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/eca-programs/Problem102_label11.c [2021-11-23 17:03:14,221 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25cc953b-f7bd-43d7-bb56-7ab7d2c83e56/bin/utaipan-fb15Y9Yzbl/data/eba17c7dc/24e9de8d037345f6b736d455f9230c4d/FLAG5e60332f7 [2021-11-23 17:03:18,839 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:03:18,840 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25cc953b-f7bd-43d7-bb56-7ab7d2c83e56/sv-benchmarks/c/eca-programs/Problem102_label11.c [2021-11-23 17:03:19,163 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25cc953b-f7bd-43d7-bb56-7ab7d2c83e56/bin/utaipan-fb15Y9Yzbl/data/eba17c7dc/24e9de8d037345f6b736d455f9230c4d/FLAG5e60332f7 [2021-11-23 17:03:19,258 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25cc953b-f7bd-43d7-bb56-7ab7d2c83e56/bin/utaipan-fb15Y9Yzbl/data/eba17c7dc/24e9de8d037345f6b736d455f9230c4d [2021-11-23 17:03:19,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:03:19,262 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:03:19,264 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:03:19,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:03:19,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:03:19,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:03:19" (1/1) ... [2021-11-23 17:03:19,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78436240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:19, skipping insertion in model container [2021-11-23 17:03:19,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:03:19" (1/1) ... [2021-11-23 17:03:19,292 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:03:21,082 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:03:49,589 WARN L230 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_25cc953b-f7bd-43d7-bb56-7ab7d2c83e56/sv-benchmarks/c/eca-programs/Problem102_label11.c[5716270,5716283] [2021-11-23 17:03:49,719 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:03:49,730 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:04:05,370 WARN L230 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_25cc953b-f7bd-43d7-bb56-7ab7d2c83e56/sv-benchmarks/c/eca-programs/Problem102_label11.c[5716270,5716283] [2021-11-23 17:04:05,375 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:04:10,911 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:04:10,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:10 WrapperNode [2021-11-23 17:04:10,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:04:10,913 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:04:10,913 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:04:10,913 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:04:10,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:10" (1/1) ... [2021-11-23 17:04:12,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:10" (1/1) ... [2021-11-23 17:04:18,281 INFO L137 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184212 [2021-11-23 17:04:18,282 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:04:18,283 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:04:18,283 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:04:18,283 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:04:18,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:10" (1/1) ... [2021-11-23 17:04:18,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:10" (1/1) ... [2021-11-23 17:04:19,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:10" (1/1) ... [2021-11-23 17:04:19,323 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:10" (1/1) ... [2021-11-23 17:04:21,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:10" (1/1) ... [2021-11-23 17:04:22,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:10" (1/1) ... [2021-11-23 17:04:22,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:10" (1/1) ... [2021-11-23 17:04:24,436 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:04:24,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:04:24,441 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:04:24,441 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:04:24,442 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:10" (1/1) ... [2021-11-23 17:04:24,450 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:04:24,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25cc953b-f7bd-43d7-bb56-7ab7d2c83e56/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:04:24,483 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25cc953b-f7bd-43d7-bb56-7ab7d2c83e56/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:04:24,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25cc953b-f7bd-43d7-bb56-7ab7d2c83e56/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:04:24,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:04:24,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:04:24,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:04:24,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:04:24,790 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:04:24,792 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:06:14,661 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:06:15,028 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:06:15,034 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 17:06:15,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:06:15 BoogieIcfgContainer [2021-11-23 17:06:15,056 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:06:15,059 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:06:15,059 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:06:15,062 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:06:15,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:03:19" (1/3) ... [2021-11-23 17:06:15,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a7647c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:06:15, skipping insertion in model container [2021-11-23 17:06:15,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:10" (2/3) ... [2021-11-23 17:06:15,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a7647c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:06:15, skipping insertion in model container [2021-11-23 17:06:15,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:06:15" (3/3) ... [2021-11-23 17:06:15,066 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem102_label11.c [2021-11-23 17:06:15,072 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:06:15,072 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:06:15,191 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:06:15,198 INFO L339 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=FINITE_AUTOMATA, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 17:06:15,199 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:06:15,625 INFO L276 IsEmpty]: Start isEmpty. Operand has 23215 states, 23213 states have (on average 1.8828673588075646) internal successors, (43707), 23214 states have internal predecessors, (43707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:06:17,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17916 [2021-11-23 17:06:17,958 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:06:17,978 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:06:17,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:06:18,005 INFO L85 PathProgramCache]: Analyzing trace with hash -654836362, now seen corresponding path program 1 times [2021-11-23 17:06:18,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:06:18,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1530586274] [2021-11-23 17:06:18,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:06:18,247 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:06:18,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25cc953b-f7bd-43d7-bb56-7ab7d2c83e56/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:06:18,254 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25cc953b-f7bd-43d7-bb56-7ab7d2c83e56/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:06:18,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25cc953b-f7bd-43d7-bb56-7ab7d2c83e56/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process