./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem08_label18.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b96c09-8ba3-4da9-b300-60520da0ae49/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b96c09-8ba3-4da9-b300-60520da0ae49/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b96c09-8ba3-4da9-b300-60520da0ae49/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b96c09-8ba3-4da9-b300-60520da0ae49/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem08_label18.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b96c09-8ba3-4da9-b300-60520da0ae49/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b96c09-8ba3-4da9-b300-60520da0ae49/bin/uautomizer-tPACEb0tL8 --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 fb696ee403e162ffc39f4b517646ecc006a80a9fd619ff91a6fec980fa390bc3 --- 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-e04fb08 [2022-11-16 12:34:53,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:34:53,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:34:53,235 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:34:53,236 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:34:53,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:34:53,240 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:34:53,243 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:34:53,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:34:53,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:34:53,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:34:53,250 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:34:53,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:34:53,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:34:53,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:34:53,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:34:53,258 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:34:53,260 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:34:53,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:34:53,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:34:53,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:34:53,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:34:53,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:34:53,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:34:53,280 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:34:53,281 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:34:53,281 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:34:53,283 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:34:53,284 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:34:53,285 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:34:53,286 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:34:53,288 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:34:53,289 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:34:53,291 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:34:53,292 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:34:53,293 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:34:53,294 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:34:53,295 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:34:53,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:34:53,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:34:53,299 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:34:53,300 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b96c09-8ba3-4da9-b300-60520da0ae49/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 12:34:53,343 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:34:53,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:34:53,345 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:34:53,345 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:34:53,346 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:34:53,347 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:34:53,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:34:53,348 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:34:53,349 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:34:53,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:34:53,350 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:34:53,350 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:34:53,351 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:34:53,351 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:34:53,351 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:34:53,352 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:34:53,352 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:34:53,352 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:34:53,353 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:34:53,353 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:34:53,354 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:34:53,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:34:53,354 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:34:53,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:34:53,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:34:53,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:34:53,356 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:34:53,356 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:34:53,357 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:34:53,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:34:53,357 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:34:53,358 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:34:53,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:34:53,359 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_b4b96c09-8ba3-4da9-b300-60520da0ae49/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b96c09-8ba3-4da9-b300-60520da0ae49/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb696ee403e162ffc39f4b517646ecc006a80a9fd619ff91a6fec980fa390bc3 [2022-11-16 12:34:53,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:34:53,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:34:53,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:34:53,815 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:34:53,817 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:34:53,819 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b96c09-8ba3-4da9-b300-60520da0ae49/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/eca-rers2012/Problem08_label18.c [2022-11-16 12:34:53,911 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b96c09-8ba3-4da9-b300-60520da0ae49/bin/uautomizer-tPACEb0tL8/data/8a1628187/a3aed0f9bc66422ca9224e25f634f4dc/FLAGbe481d6c0 [2022-11-16 12:34:58,557 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:34:58,558 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b96c09-8ba3-4da9-b300-60520da0ae49/sv-benchmarks/c/eca-rers2012/Problem08_label18.c [2022-11-16 12:34:59,219 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b96c09-8ba3-4da9-b300-60520da0ae49/bin/uautomizer-tPACEb0tL8/data/8a1628187/a3aed0f9bc66422ca9224e25f634f4dc/FLAGbe481d6c0 [2022-11-16 12:34:59,540 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b96c09-8ba3-4da9-b300-60520da0ae49/bin/uautomizer-tPACEb0tL8/data/8a1628187/a3aed0f9bc66422ca9224e25f634f4dc [2022-11-16 12:34:59,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:34:59,544 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:34:59,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:34:59,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:34:59,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:34:59,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:34:59" (1/1) ... [2022-11-16 12:34:59,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c11381f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:34:59, skipping insertion in model container [2022-11-16 12:34:59,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:34:59" (1/1) ... [2022-11-16 12:34:59,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:35:01,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:35:35,796 WARN L229 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_b4b96c09-8ba3-4da9-b300-60520da0ae49/sv-benchmarks/c/eca-rers2012/Problem08_label18.c[5715574,5715587] [2022-11-16 12:35:35,939 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:35:35,957 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:35:54,839 WARN L229 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_b4b96c09-8ba3-4da9-b300-60520da0ae49/sv-benchmarks/c/eca-rers2012/Problem08_label18.c[5715574,5715587] [2022-11-16 12:35:54,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:36:02,394 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:36:02,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:02 WrapperNode [2022-11-16 12:36:02,395 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:36:02,396 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:36:02,397 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:36:02,397 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:36:02,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:02" (1/1) ... [2022-11-16 12:36:04,268 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:02" (1/1) ... [2022-11-16 12:36:11,330 INFO L138 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184288 [2022-11-16 12:36:11,331 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:36:11,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:36:11,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:36:11,333 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:36:11,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:02" (1/1) ... [2022-11-16 12:36:11,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:02" (1/1) ... [2022-11-16 12:36:12,522 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:02" (1/1) ... [2022-11-16 12:36:12,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:02" (1/1) ... [2022-11-16 12:36:16,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:02" (1/1) ... [2022-11-16 12:36:17,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:02" (1/1) ... [2022-11-16 12:36:18,248 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:02" (1/1) ... [2022-11-16 12:36:18,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:02" (1/1) ... [2022-11-16 12:36:19,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:36:19,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:36:19,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:36:19,545 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:36:19,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:02" (1/1) ... [2022-11-16 12:36:19,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:36:19,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b96c09-8ba3-4da9-b300-60520da0ae49/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:19,618 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b96c09-8ba3-4da9-b300-60520da0ae49/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:19,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b96c09-8ba3-4da9-b300-60520da0ae49/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:36:19,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:36:19,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:36:19,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:36:19,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:36:19,914 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:36:19,920 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:38:22,712 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:38:22,819 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:38:22,820 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 12:38:22,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:38:22 BoogieIcfgContainer [2022-11-16 12:38:22,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:38:22,843 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:38:22,843 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:38:22,847 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:38:22,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:34:59" (1/3) ... [2022-11-16 12:38:22,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4281b115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:38:22, skipping insertion in model container [2022-11-16 12:38:22,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:02" (2/3) ... [2022-11-16 12:38:22,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4281b115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:38:22, skipping insertion in model container [2022-11-16 12:38:22,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:38:22" (3/3) ... [2022-11-16 12:38:22,851 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem08_label18.c [2022-11-16 12:38:22,871 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:38:22,872 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:38:23,250 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:38:23,258 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;@32a94322, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:38:23,258 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:38:23,332 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)