./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/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_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/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 64bit --witnessprinter.graph.data.programhash b835ec712ca411321a1e9f48e9f59393e813b1f1b607694988fb11c67e009912 --- 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 14:53:56,318 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:53:56,319 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:53:56,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:53:56,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:53:56,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:53:56,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:53:56,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:53:56,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:53:56,338 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:53:56,338 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:53:56,339 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:53:56,339 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:53:56,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:53:56,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:53:56,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:53:56,342 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:53:56,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:53:56,344 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:53:56,345 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:53:56,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:53:56,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:53:56,348 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:53:56,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:53:56,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:53:56,351 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:53:56,351 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:53:56,352 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:53:56,352 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:53:56,353 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:53:56,353 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:53:56,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:53:56,354 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:53:56,355 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:53:56,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:53:56,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:53:56,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:53:56,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:53:56,356 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:53:56,357 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:53:56,357 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:53:56,358 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 14:53:56,373 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:53:56,373 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:53:56,374 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:53:56,374 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:53:56,374 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 14:53:56,374 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 14:53:56,375 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:53:56,375 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:53:56,375 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:53:56,375 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:53:56,375 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 14:53:56,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:53:56,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 14:53:56,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 14:53:56,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 14:53:56,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:53:56,376 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:53:56,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 14:53:56,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:53:56,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:53:56,376 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 14:53:56,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:53:56,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:53:56,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 14:53:56,377 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 14:53:56,377 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 14:53:56,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 14:53:56,377 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 14:53:56,377 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 14:53:56,378 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 14:53:56,378 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 14:53:56,378 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 14:53:56,378 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_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b835ec712ca411321a1e9f48e9f59393e813b1f1b607694988fb11c67e009912 [2022-12-13 14:53:56,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:53:56,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:53:56,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:53:56,562 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:53:56,563 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:53:56,563 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c [2022-12-13 14:53:59,158 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:53:59,289 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:53:59,289 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c [2022-12-13 14:53:59,294 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/bin/uautomizer-uyxdKDjOR8/data/d56bc98dd/8abd7bb9934448d591ae036206d02c31/FLAG566c475e3 [2022-12-13 14:53:59,305 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/bin/uautomizer-uyxdKDjOR8/data/d56bc98dd/8abd7bb9934448d591ae036206d02c31 [2022-12-13 14:53:59,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:53:59,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:53:59,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:53:59,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:53:59,312 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:53:59,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:53:59" (1/1) ... [2022-12-13 14:53:59,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cc587ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:53:59, skipping insertion in model container [2022-12-13 14:53:59,314 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:53:59" (1/1) ... [2022-12-13 14:53:59,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:53:59,334 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:53:59,428 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_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c[1107,1120] [2022-12-13 14:53:59,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:53:59,471 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:53:59,479 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_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c[1107,1120] [2022-12-13 14:53:59,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:53:59,511 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:53:59,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:53:59 WrapperNode [2022-12-13 14:53:59,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:53:59,513 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:53:59,513 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:53:59,513 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:53:59,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:53:59" (1/1) ... [2022-12-13 14:53:59,525 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:53:59" (1/1) ... [2022-12-13 14:53:59,545 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 222 [2022-12-13 14:53:59,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:53:59,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:53:59,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:53:59,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:53:59,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:53:59" (1/1) ... [2022-12-13 14:53:59,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:53:59" (1/1) ... [2022-12-13 14:53:59,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:53:59" (1/1) ... [2022-12-13 14:53:59,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:53:59" (1/1) ... [2022-12-13 14:53:59,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:53:59" (1/1) ... [2022-12-13 14:53:59,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:53:59" (1/1) ... [2022-12-13 14:53:59,565 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:53:59" (1/1) ... [2022-12-13 14:53:59,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:53:59" (1/1) ... [2022-12-13 14:53:59,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:53:59,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:53:59,569 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:53:59,569 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:53:59,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:53:59" (1/1) ... [2022-12-13 14:53:59,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:53:59,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:53:59,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 14:53:59,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 14:53:59,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:53:59,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:53:59,707 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:53:59,709 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:54:00,066 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:54:00,072 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:54:00,073 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 14:54:00,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:54:00 BoogieIcfgContainer [2022-12-13 14:54:00,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:54:00,077 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 14:54:00,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 14:54:00,080 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 14:54:00,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 02:53:59" (1/3) ... [2022-12-13 14:54:00,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b0570e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:54:00, skipping insertion in model container [2022-12-13 14:54:00,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:53:59" (2/3) ... [2022-12-13 14:54:00,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b0570e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:54:00, skipping insertion in model container [2022-12-13 14:54:00,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:54:00" (3/3) ... [2022-12-13 14:54:00,083 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_QF_BV_s1269b_p2.c [2022-12-13 14:54:00,101 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 14:54:00,102 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 14:54:00,147 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 14:54:00,154 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;@5bd80756, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 14:54:00,154 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 14:54:00,158 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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) [2022-12-13 14:54:00,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 14:54:00,164 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:54:00,165 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 14:54:00,165 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:54:00,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:54:00,170 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-12-13 14:54:00,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:54:00,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857524957] [2022-12-13 14:54:00,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:54:00,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:54:00,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:54:00,300 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:54:00,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:54:00,362 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:54:00,364 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 14:54:00,365 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 14:54:00,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 14:54:00,371 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 14:54:00,374 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 14:54:00,384 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-13 14:54:00,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 02:54:00 BoogieIcfgContainer [2022-12-13 14:54:00,389 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 14:54:00,390 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 14:54:00,390 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 14:54:00,390 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 14:54:00,390 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:54:00" (3/4) ... [2022-12-13 14:54:00,393 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 14:54:00,393 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 14:54:00,393 INFO L158 Benchmark]: Toolchain (without parser) took 1085.27ms. Allocated memory was 132.1MB in the beginning and 165.7MB in the end (delta: 33.6MB). Free memory was 96.0MB in the beginning and 58.4MB in the end (delta: 37.6MB). Peak memory consumption was 72.9MB. Max. memory is 16.1GB. [2022-12-13 14:54:00,394 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 132.1MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:54:00,394 INFO L158 Benchmark]: CACSL2BoogieTranslator took 203.12ms. Allocated memory is still 132.1MB. Free memory was 96.0MB in the beginning and 82.1MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 14:54:00,395 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.71ms. Allocated memory is still 132.1MB. Free memory was 82.1MB in the beginning and 79.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:54:00,395 INFO L158 Benchmark]: Boogie Preprocessor took 22.84ms. Allocated memory is still 132.1MB. Free memory was 79.2MB in the beginning and 77.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:54:00,395 INFO L158 Benchmark]: RCFGBuilder took 505.70ms. Allocated memory was 132.1MB in the beginning and 165.7MB in the end (delta: 33.6MB). Free memory was 77.1MB in the beginning and 80.4MB in the end (delta: -3.3MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2022-12-13 14:54:00,396 INFO L158 Benchmark]: TraceAbstraction took 312.27ms. Allocated memory is still 165.7MB. Free memory was 79.4MB in the beginning and 59.4MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-13 14:54:00,396 INFO L158 Benchmark]: Witness Printer took 2.96ms. Allocated memory is still 165.7MB. Free memory was 59.4MB in the beginning and 58.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:54:00,398 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 132.1MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 203.12ms. Allocated memory is still 132.1MB. Free memory was 96.0MB in the beginning and 82.1MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.71ms. Allocated memory is still 132.1MB. Free memory was 82.1MB in the beginning and 79.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.84ms. Allocated memory is still 132.1MB. Free memory was 79.2MB in the beginning and 77.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 505.70ms. Allocated memory was 132.1MB in the beginning and 165.7MB in the end (delta: 33.6MB). Free memory was 77.1MB in the beginning and 80.4MB in the end (delta: -3.3MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. * TraceAbstraction took 312.27ms. Allocated memory is still 165.7MB. Free memory was 79.4MB in the beginning and 59.4MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 2.96ms. Allocated memory is still 165.7MB. Free memory was 59.4MB in the beginning and 58.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 102, overapproximation of bitwiseOr at line 97, overapproximation of bitwiseAnd at line 112. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 3); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (3 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L31] const SORT_12 mask_SORT_12 = (SORT_12)-1 >> (sizeof(SORT_12) * 8 - 8); [L32] const SORT_12 msb_SORT_12 = (SORT_12)1 << (8 - 1); [L34] const SORT_3 var_14 = 0; [L35] const SORT_3 var_30 = 1; [L37] SORT_1 input_2; [L38] SORT_3 input_4; [L39] SORT_3 input_5; [L40] SORT_3 input_6; [L41] SORT_3 input_7; [L42] SORT_3 input_8; [L43] SORT_3 input_9; [L44] SORT_3 input_10; [L45] SORT_3 input_11; [L46] SORT_12 input_13; [L47] SORT_12 input_34; [L48] SORT_12 input_36; [L49] SORT_3 input_38; [L50] SORT_12 input_100; [L51] SORT_3 input_102; [L52] SORT_1 input_105; [L53] SORT_3 input_107; [L54] SORT_3 input_109; [L55] SORT_3 input_111; [L56] SORT_3 input_113; [L58] SORT_3 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L59] SORT_3 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L60] SORT_3 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L61] SORT_3 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L63] SORT_3 init_16_arg_1 = var_14; [L64] state_15 = init_16_arg_1 [L65] SORT_3 init_18_arg_1 = var_14; [L66] state_17 = init_18_arg_1 [L67] SORT_3 init_21_arg_1 = var_14; [L68] state_20 = init_21_arg_1 [L69] SORT_3 init_25_arg_1 = var_14; [L70] state_24 = init_25_arg_1 VAL [init_16_arg_1=0, init_18_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, mask_SORT_1=7, mask_SORT_12=255, mask_SORT_3=1, msb_SORT_1=4, msb_SORT_12=128, msb_SORT_3=1, state_15=0, state_17=0, state_20=0, state_24=0, var_14=0, var_30=1] [L73] input_2 = __VERIFIER_nondet_uchar() [L74] input_4 = __VERIFIER_nondet_uchar() [L75] input_5 = __VERIFIER_nondet_uchar() [L76] input_6 = __VERIFIER_nondet_uchar() [L77] input_7 = __VERIFIER_nondet_uchar() [L78] input_8 = __VERIFIER_nondet_uchar() [L79] input_9 = __VERIFIER_nondet_uchar() [L80] input_10 = __VERIFIER_nondet_uchar() [L81] input_11 = __VERIFIER_nondet_uchar() [L82] input_13 = __VERIFIER_nondet_uchar() [L83] input_34 = __VERIFIER_nondet_uchar() [L84] input_36 = __VERIFIER_nondet_uchar() [L85] input_38 = __VERIFIER_nondet_uchar() [L86] input_100 = __VERIFIER_nondet_uchar() [L87] input_102 = __VERIFIER_nondet_uchar() [L88] input_105 = __VERIFIER_nondet_uchar() [L89] input_107 = __VERIFIER_nondet_uchar() [L90] input_109 = __VERIFIER_nondet_uchar() [L91] input_111 = __VERIFIER_nondet_uchar() [L92] input_113 = __VERIFIER_nondet_uchar() [L95] SORT_3 var_19_arg_0 = state_15; [L96] SORT_3 var_19_arg_1 = state_17; [L97] SORT_3 var_19 = var_19_arg_0 | var_19_arg_1; [L98] SORT_3 var_22_arg_0 = var_19; [L99] SORT_3 var_22_arg_1 = state_20; [L100] SORT_3 var_22 = var_22_arg_0 | var_22_arg_1; [L101] SORT_3 var_23_arg_0 = var_22; [L102] SORT_3 var_23 = ~var_23_arg_0; [L103] SORT_3 var_26_arg_0 = state_24; [L104] SORT_3 var_26 = ~var_26_arg_0; [L105] SORT_3 var_27_arg_0 = var_23; [L106] SORT_3 var_27_arg_1 = var_26; [L107] SORT_3 var_27 = var_27_arg_0 | var_27_arg_1; [L108] SORT_3 var_31_arg_0 = var_27; [L109] SORT_3 var_31 = ~var_31_arg_0; [L110] SORT_3 var_32_arg_0 = var_30; [L111] SORT_3 var_32_arg_1 = var_31; [L112] SORT_3 var_32 = var_32_arg_0 & var_32_arg_1; [L113] var_32 = var_32 & mask_SORT_3 [L114] SORT_3 bad_33_arg_0 = var_32; [L115] CALL __VERIFIER_assert(!(bad_33_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 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 could not prove your program: unable to determine feasibility of some traces [2022-12-13 14:54:00,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/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_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/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 64bit --witnessprinter.graph.data.programhash b835ec712ca411321a1e9f48e9f59393e813b1f1b607694988fb11c67e009912 --- 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 14:54:01,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:54:01,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:54:01,956 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:54:01,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:54:01,957 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:54:01,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:54:01,959 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:54:01,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:54:01,961 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:54:01,962 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:54:01,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:54:01,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:54:01,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:54:01,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:54:01,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:54:01,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:54:01,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:54:01,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:54:01,968 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:54:01,969 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:54:01,970 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:54:01,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:54:01,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:54:01,974 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:54:01,974 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:54:01,974 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:54:01,975 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:54:01,975 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:54:01,976 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:54:01,976 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:54:01,977 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:54:01,977 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:54:01,978 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:54:01,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:54:01,984 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:54:01,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:54:01,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:54:01,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:54:01,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:54:01,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:54:01,986 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-12-13 14:54:02,002 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:54:02,002 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:54:02,002 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:54:02,002 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:54:02,003 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 14:54:02,003 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 14:54:02,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:54:02,004 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:54:02,004 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:54:02,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:54:02,004 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:54:02,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 14:54:02,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 14:54:02,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 14:54:02,004 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 14:54:02,005 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 14:54:02,005 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 14:54:02,005 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:54:02,005 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:54:02,005 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 14:54:02,005 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:54:02,005 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:54:02,005 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 14:54:02,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:54:02,006 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:54:02,006 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 14:54:02,006 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 14:54:02,006 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 14:54:02,006 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 14:54:02,006 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 14:54:02,006 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 14:54:02,006 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 14:54:02,007 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 14:54:02,007 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 14:54:02,007 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 14:54:02,007 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_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b835ec712ca411321a1e9f48e9f59393e813b1f1b607694988fb11c67e009912 [2022-12-13 14:54:02,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:54:02,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:54:02,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:54:02,225 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:54:02,225 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:54:02,227 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c [2022-12-13 14:54:04,837 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:54:04,988 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:54:04,988 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c [2022-12-13 14:54:04,995 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/bin/uautomizer-uyxdKDjOR8/data/dd3cb33e4/edf9f735a8844281a097dabd0bf23514/FLAGd7adad41b [2022-12-13 14:54:05,006 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/bin/uautomizer-uyxdKDjOR8/data/dd3cb33e4/edf9f735a8844281a097dabd0bf23514 [2022-12-13 14:54:05,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:54:05,010 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:54:05,011 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:54:05,011 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:54:05,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:54:05,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:54:05" (1/1) ... [2022-12-13 14:54:05,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e31d56a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:54:05, skipping insertion in model container [2022-12-13 14:54:05,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:54:05" (1/1) ... [2022-12-13 14:54:05,020 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:54:05,040 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:54:05,138 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_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c[1107,1120] [2022-12-13 14:54:05,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:54:05,183 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:54:05,190 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_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c[1107,1120] [2022-12-13 14:54:05,213 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:54:05,223 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:54:05,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:54:05 WrapperNode [2022-12-13 14:54:05,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:54:05,224 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:54:05,224 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:54:05,224 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:54:05,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:54:05" (1/1) ... [2022-12-13 14:54:05,236 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:54:05" (1/1) ... [2022-12-13 14:54:05,253 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 222 [2022-12-13 14:54:05,254 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:54:05,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:54:05,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:54:05,254 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:54:05,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:54:05" (1/1) ... [2022-12-13 14:54:05,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:54:05" (1/1) ... [2022-12-13 14:54:05,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:54:05" (1/1) ... [2022-12-13 14:54:05,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:54:05" (1/1) ... [2022-12-13 14:54:05,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:54:05" (1/1) ... [2022-12-13 14:54:05,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:54:05" (1/1) ... [2022-12-13 14:54:05,272 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:54:05" (1/1) ... [2022-12-13 14:54:05,273 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:54:05" (1/1) ... [2022-12-13 14:54:05,275 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:54:05,276 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:54:05,276 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:54:05,276 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:54:05,277 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:54:05" (1/1) ... [2022-12-13 14:54:05,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:54:05,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:54:05,306 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 14:54:05,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 14:54:05,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:54:05,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:54:05,415 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:54:05,417 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:54:05,626 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:54:05,633 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:54:05,634 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 14:54:05,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:54:05 BoogieIcfgContainer [2022-12-13 14:54:05,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:54:05,638 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 14:54:05,639 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 14:54:05,642 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 14:54:05,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 02:54:05" (1/3) ... [2022-12-13 14:54:05,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7990f854 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:54:05, skipping insertion in model container [2022-12-13 14:54:05,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:54:05" (2/3) ... [2022-12-13 14:54:05,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7990f854 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:54:05, skipping insertion in model container [2022-12-13 14:54:05,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:54:05" (3/3) ... [2022-12-13 14:54:05,645 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_QF_BV_s1269b_p2.c [2022-12-13 14:54:05,663 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 14:54:05,664 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 14:54:05,697 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 14:54:05,702 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;@24b4e2c5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 14:54:05,702 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 14:54:05,705 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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) [2022-12-13 14:54:05,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 14:54:05,709 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:54:05,710 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 14:54:05,710 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:54:05,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:54:05,713 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-12-13 14:54:05,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 14:54:05,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2052268010] [2022-12-13 14:54:05,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:54:05,723 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 14:54:05,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 14:54:05,724 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 14:54:05,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 14:54:05,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:54:05,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-13 14:54:05,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:54:05,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:54:05,921 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:54:05,922 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 14:54:05,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2052268010] [2022-12-13 14:54:05,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2052268010] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:54:05,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:54:05,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 14:54:05,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833605852] [2022-12-13 14:54:05,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:54:05,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:54:05,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 14:54:05,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:54:05,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:54:05,959 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-12-13 14:54:06,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:54:06,003 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-12-13 14:54:06,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 14:54:06,006 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) Word has length 5 [2022-12-13 14:54:06,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:54:06,013 INFO L225 Difference]: With dead ends: 20 [2022-12-13 14:54:06,013 INFO L226 Difference]: Without dead ends: 11 [2022-12-13 14:54:06,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:54:06,018 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:54:06,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 14 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:54:06,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-12-13 14:54:06,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-12-13 14:54:06,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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) [2022-12-13 14:54:06,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-12-13 14:54:06,040 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-12-13 14:54:06,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:54:06,041 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-12-13 14:54:06,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-12-13 14:54:06,041 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-12-13 14:54:06,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-13 14:54:06,042 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:54:06,042 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-12-13 14:54:06,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 14:54:06,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 14:54:06,244 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:54:06,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:54:06,246 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-12-13 14:54:06,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 14:54:06,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [974607152] [2022-12-13 14:54:06,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:54:06,251 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 14:54:06,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 14:54:06,280 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 14:54:06,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-13 14:54:06,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:54:06,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 96 conjunts are in the unsatisfiable core [2022-12-13 14:54:06,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:54:06,719 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:54:06,719 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:54:06,960 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:54:06,961 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 14:54:06,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [974607152] [2022-12-13 14:54:06,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [974607152] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 14:54:06,961 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 14:54:06,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-12-13 14:54:06,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602755090] [2022-12-13 14:54:06,961 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 14:54:06,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 14:54:06,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 14:54:06,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 14:54:06,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-12-13 14:54:06,963 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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) [2022-12-13 14:54:07,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:54:07,128 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2022-12-13 14:54:07,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 14:54:07,129 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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) Word has length 8 [2022-12-13 14:54:07,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:54:07,130 INFO L225 Difference]: With dead ends: 13 [2022-12-13 14:54:07,130 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 14:54:07,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-12-13 14:54:07,132 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 12 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 14:54:07,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 7 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 14:54:07,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 14:54:07,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 14:54:07,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-12-13 14:54:07,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 14:54:07,134 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2022-12-13 14:54:07,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:54:07,134 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 14:54:07,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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) [2022-12-13 14:54:07,135 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 14:54:07,135 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 14:54:07,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 14:54:07,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-13 14:54:07,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 14:54:07,345 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 14:54:07,528 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 14:54:07,528 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 14:54:07,528 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 22 224) the Hoare annotation is: false [2022-12-13 14:54:07,529 INFO L895 garLoopResultBuilder]: At program point L71-2(lines 71 222) the Hoare annotation is: (or (and (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) (forall ((|v_ULTIMATE.start_main_~var_32_arg_0~0#1_3| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~state_24~0#1|)))) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~state_20~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~state_17~0#1|) ((_ zero_extend 24) |ULTIMATE.start_main_~state_15~0#1|)))))))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_32_arg_0~0#1_3|)))) ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_3~0#1|))) (_ bv0 8)))) (and (= |ULTIMATE.start_main_~state_17~0#1| |ULTIMATE.start_main_~state_15~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_17~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_24~0#1|) (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_3~0#1|) (= |ULTIMATE.start_main_~state_20~0#1| |ULTIMATE.start_main_~state_17~0#1|))) [2022-12-13 14:54:07,530 INFO L899 garLoopResultBuilder]: For program point L71-3(lines 71 222) no Hoare annotation was computed. [2022-12-13 14:54:07,530 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 14:54:07,530 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 14:54:07,530 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2022-12-13 14:54:07,530 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-12-13 14:54:07,531 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2022-12-13 14:54:07,531 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-12-13 14:54:07,535 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 14:54:07,537 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 14:54:07,545 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_32_arg_0~0#1_3,QUANTIFIED] [2022-12-13 14:54:07,553 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_32_arg_0~0#1_3,QUANTIFIED] [2022-12-13 14:54:07,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 02:54:07 BoogieIcfgContainer [2022-12-13 14:54:07,554 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 14:54:07,554 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 14:54:07,555 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 14:54:07,555 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 14:54:07,555 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:54:05" (3/4) ... [2022-12-13 14:54:07,557 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 14:54:07,565 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-13 14:54:07,566 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-13 14:54:07,566 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 14:54:07,600 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 14:54:07,601 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 14:54:07,601 INFO L158 Benchmark]: Toolchain (without parser) took 2591.37ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 58.4MB in the beginning and 55.9MB in the end (delta: 2.4MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2022-12-13 14:54:07,601 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 60.8MB. Free memory was 39.5MB in the beginning and 39.4MB in the end (delta: 81.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:54:07,601 INFO L158 Benchmark]: CACSL2BoogieTranslator took 212.54ms. Allocated memory is still 79.7MB. Free memory was 58.2MB in the beginning and 44.4MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 14:54:07,602 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.05ms. Allocated memory is still 79.7MB. Free memory was 44.2MB in the beginning and 41.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:54:07,602 INFO L158 Benchmark]: Boogie Preprocessor took 20.97ms. Allocated memory is still 79.7MB. Free memory was 41.7MB in the beginning and 40.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:54:07,602 INFO L158 Benchmark]: RCFGBuilder took 360.35ms. Allocated memory is still 79.7MB. Free memory was 39.9MB in the beginning and 43.5MB in the end (delta: -3.6MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2022-12-13 14:54:07,602 INFO L158 Benchmark]: TraceAbstraction took 1915.63ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 42.8MB in the beginning and 60.6MB in the end (delta: -17.8MB). Peak memory consumption was 533.1kB. Max. memory is 16.1GB. [2022-12-13 14:54:07,602 INFO L158 Benchmark]: Witness Printer took 46.19ms. Allocated memory is still 96.5MB. Free memory was 60.6MB in the beginning and 55.9MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 14:54:07,604 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 60.8MB. Free memory was 39.5MB in the beginning and 39.4MB in the end (delta: 81.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 212.54ms. Allocated memory is still 79.7MB. Free memory was 58.2MB in the beginning and 44.4MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.05ms. Allocated memory is still 79.7MB. Free memory was 44.2MB in the beginning and 41.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.97ms. Allocated memory is still 79.7MB. Free memory was 41.7MB in the beginning and 40.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 360.35ms. Allocated memory is still 79.7MB. Free memory was 39.9MB in the beginning and 43.5MB in the end (delta: -3.6MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1915.63ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 42.8MB in the beginning and 60.6MB in the end (delta: -17.8MB). Peak memory consumption was 533.1kB. Max. memory is 16.1GB. * Witness Printer took 46.19ms. Allocated memory is still 96.5MB. Free memory was 60.6MB in the beginning and 55.9MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_32_arg_0~0#1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_32_arg_0~0#1_3,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 20]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 8 mSDtfsCounter, 20 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 5 NumberOfFragments, 60 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 103 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 5 QuantifiedInterpolants, 647 SizeOfPredicates, 118 NumberOfNonLiveVariables, 270 ConjunctsInSsa, 112 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/4 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 71]: Loop Invariant [2022-12-13 14:54:07,608 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_32_arg_0~0#1_3,QUANTIFIED] [2022-12-13 14:54:07,608 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_32_arg_0~0#1_3,QUANTIFIED] Derived loop invariant: (cond == 1bv32 && (forall v_ULTIMATE.start_main_~var_32_arg_0~0#1_3 : bv8 :: ~bvand32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~bvnot32(~zero_extendFrom8To32(~bvor32(~zero_extendFrom8To32(~bvnot32(~zero_extendFrom8To32(state_24))[7:0]), ~zero_extendFrom8To32(~bvnot32(~zero_extendFrom8To32(~bvor32(~zero_extendFrom8To32(state_20), ~zero_extendFrom8To32(~bvor32(~zero_extendFrom8To32(state_17), ~zero_extendFrom8To32(state_15))[7:0]))[7:0]))[7:0]))[7:0]))[7:0]), ~zero_extendFrom8To32(v_ULTIMATE.start_main_~var_32_arg_0~0#1_3))[7:0]), ~zero_extendFrom8To32(mask_SORT_3))[7:0] == 0bv8)) || ((((state_17 == state_15 && 0bv8 == state_17) && 0bv8 == state_24) && 1bv8 == mask_SORT_3) && state_20 == state_17) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-12-13 14:54:07,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0577d7d8-e8b3-4af4-ae21-8da0eeebeb48/bin/uautomizer-uyxdKDjOR8/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 Writing output log to file Ultimate.log Result: TRUE