./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p08.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/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_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/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_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/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 0ba8aabceec0e9fbb56cd96c96ca9543ed2c6a555966d7008b0b602e9c5d8437 --- 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 20:02:27,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:02:27,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:02:27,945 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:02:27,945 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:02:27,946 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:02:27,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:02:27,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:02:27,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:02:27,949 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:02:27,950 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:02:27,950 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:02:27,951 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:02:27,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:02:27,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:02:27,953 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:02:27,953 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:02:27,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:02:27,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:02:27,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:02:27,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:02:27,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:02:27,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:02:27,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:02:27,960 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:02:27,960 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:02:27,961 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:02:27,961 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:02:27,961 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:02:27,962 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:02:27,962 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:02:27,963 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:02:27,963 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:02:27,963 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:02:27,964 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:02:27,964 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:02:27,965 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:02:27,965 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:02:27,965 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:02:27,965 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:02:27,966 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:02:27,967 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 20:02:27,980 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:02:27,980 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:02:27,980 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:02:27,980 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:02:27,981 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:02:27,981 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:02:27,981 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:02:27,981 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:02:27,982 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:02:27,982 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:02:27,982 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:02:27,982 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:02:27,982 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:02:27,982 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:02:27,983 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:02:27,983 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:02:27,983 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:02:27,983 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:02:27,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:02:27,984 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:02:27,984 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:02:27,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:02:27,984 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:02:27,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:02:27,984 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:02:27,984 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:02:27,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 20:02:27,985 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:02:27,985 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:02:27,985 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:02:27,985 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:02:27,985 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:02:27,985 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_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ba8aabceec0e9fbb56cd96c96ca9543ed2c6a555966d7008b0b602e9c5d8437 [2022-12-13 20:02:28,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:02:28,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:02:28,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:02:28,207 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:02:28,207 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:02:28,208 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p08.c [2022-12-13 20:02:30,752 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:02:30,906 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:02:30,906 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p08.c [2022-12-13 20:02:30,911 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/bin/uautomizer-uyxdKDjOR8/data/268773f6c/7f999da9e7cb4eb9acfbda6301c96e08/FLAG29a3cfe91 [2022-12-13 20:02:31,319 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/bin/uautomizer-uyxdKDjOR8/data/268773f6c/7f999da9e7cb4eb9acfbda6301c96e08 [2022-12-13 20:02:31,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:02:31,322 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:02:31,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:02:31,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:02:31,326 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:02:31,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:02:31" (1/1) ... [2022-12-13 20:02:31,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a77d643 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:31, skipping insertion in model container [2022-12-13 20:02:31,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:02:31" (1/1) ... [2022-12-13 20:02:31,333 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:02:31,348 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:02:31,436 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_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p08.c[1107,1120] [2022-12-13 20:02:31,475 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:02:31,479 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:02:31,486 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_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p08.c[1107,1120] [2022-12-13 20:02:31,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:02:31,519 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:02:31,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:31 WrapperNode [2022-12-13 20:02:31,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:02:31,520 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:02:31,521 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:02:31,521 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:02:31,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:31" (1/1) ... [2022-12-13 20:02:31,532 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:31" (1/1) ... [2022-12-13 20:02:31,551 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 239 [2022-12-13 20:02:31,551 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:02:31,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:02:31,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:02:31,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:02:31,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:31" (1/1) ... [2022-12-13 20:02:31,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:31" (1/1) ... [2022-12-13 20:02:31,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:31" (1/1) ... [2022-12-13 20:02:31,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:31" (1/1) ... [2022-12-13 20:02:31,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:31" (1/1) ... [2022-12-13 20:02:31,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:31" (1/1) ... [2022-12-13 20:02:31,568 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:31" (1/1) ... [2022-12-13 20:02:31,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:31" (1/1) ... [2022-12-13 20:02:31,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:02:31,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:02:31,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:02:31,572 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:02:31,573 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:31" (1/1) ... [2022-12-13 20:02:31,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:02:31,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:02:31,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:02:31,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:02:31,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:02:31,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:02:31,701 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:02:31,702 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:02:31,984 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:02:31,991 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:02:31,992 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 20:02:31,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:02:31 BoogieIcfgContainer [2022-12-13 20:02:31,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:02:31,997 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:02:31,997 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:02:32,000 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:02:32,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:02:31" (1/3) ... [2022-12-13 20:02:32,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6abb5940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:02:32, skipping insertion in model container [2022-12-13 20:02:32,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:31" (2/3) ... [2022-12-13 20:02:32,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6abb5940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:02:32, skipping insertion in model container [2022-12-13 20:02:32,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:02:31" (3/3) ... [2022-12-13 20:02:32,003 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p08.c [2022-12-13 20:02:32,017 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:02:32,018 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 20:02:32,051 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:02:32,055 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;@74798a13, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:02:32,056 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 20:02:32,058 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 20:02:32,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 20:02:32,062 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:02:32,063 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 20:02:32,063 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:02:32,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:02:32,067 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-12-13 20:02:32,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:02:32,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830012019] [2022-12-13 20:02:32,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:02:32,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:02:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:02:32,261 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:02:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:02:32,337 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:02:32,339 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 20:02:32,340 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 20:02:32,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 20:02:32,347 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 20:02:32,351 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 20:02:32,368 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-13 20:02:32,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:02:32 BoogieIcfgContainer [2022-12-13 20:02:32,376 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 20:02:32,376 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:02:32,376 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:02:32,377 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:02:32,377 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:02:31" (3/4) ... [2022-12-13 20:02:32,380 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 20:02:32,380 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:02:32,381 INFO L158 Benchmark]: Toolchain (without parser) took 1059.45ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 88.1MB in the beginning and 72.9MB in the end (delta: 15.3MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2022-12-13 20:02:32,382 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 123.7MB. Free memory is still 96.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:02:32,382 INFO L158 Benchmark]: CACSL2BoogieTranslator took 197.40ms. Allocated memory is still 123.7MB. Free memory was 87.8MB in the beginning and 74.1MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 20:02:32,383 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.46ms. Allocated memory is still 123.7MB. Free memory was 74.1MB in the beginning and 71.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 20:02:32,383 INFO L158 Benchmark]: Boogie Preprocessor took 20.21ms. Allocated memory is still 123.7MB. Free memory was 71.4MB in the beginning and 69.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:02:32,384 INFO L158 Benchmark]: RCFGBuilder took 421.97ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 69.3MB in the beginning and 100.2MB in the end (delta: -30.9MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2022-12-13 20:02:32,384 INFO L158 Benchmark]: TraceAbstraction took 379.29ms. Allocated memory is still 148.9MB. Free memory was 99.5MB in the beginning and 72.9MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-13 20:02:32,385 INFO L158 Benchmark]: Witness Printer took 4.05ms. Allocated memory is still 148.9MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:02:32,387 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 123.7MB. Free memory is still 96.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 197.40ms. Allocated memory is still 123.7MB. Free memory was 87.8MB in the beginning and 74.1MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.46ms. Allocated memory is still 123.7MB. Free memory was 74.1MB in the beginning and 71.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.21ms. Allocated memory is still 123.7MB. Free memory was 71.4MB in the beginning and 69.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 421.97ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 69.3MB in the beginning and 100.2MB in the end (delta: -30.9MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. * TraceAbstraction took 379.29ms. Allocated memory is still 148.9MB. Free memory was 99.5MB in the beginning and 72.9MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 4.05ms. Allocated memory is still 148.9MB. Free memory is still 72.9MB. 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 137, overapproximation of bitwiseOr at line 135, overapproximation of bitwiseAnd at line 122. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 8); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (8 - 1); [L31] const SORT_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 32); [L32] const SORT_10 msb_SORT_10 = (SORT_10)1 << (32 - 1); [L34] const SORT_31 mask_SORT_31 = (SORT_31)-1 >> (sizeof(SORT_31) * 8 - 4); [L35] const SORT_31 msb_SORT_31 = (SORT_31)1 << (4 - 1); [L37] const SORT_67 mask_SORT_67 = (SORT_67)-1 >> (sizeof(SORT_67) * 8 - 10); [L38] const SORT_67 msb_SORT_67 = (SORT_67)1 << (10 - 1); [L40] const SORT_1 var_7 = 0; [L41] const SORT_10 var_12 = 0; [L42] const SORT_1 var_21 = 1; [L44] SORT_1 input_2; [L45] SORT_3 input_4; [L46] SORT_1 input_5; [L47] SORT_1 input_6; [L48] SORT_1 input_29; [L49] SORT_31 input_32; [L50] SORT_31 input_34; [L51] SORT_1 input_36; [L52] SORT_1 input_38; [L53] SORT_1 input_42; [L54] SORT_1 input_44; [L55] SORT_1 input_46; [L56] SORT_1 input_48; [L57] SORT_3 input_50; [L58] SORT_1 input_53; [L59] SORT_1 input_55; [L60] SORT_1 input_59; [L61] SORT_1 input_63; [L62] SORT_1 input_65; [L63] SORT_67 input_68; [L64] SORT_1 input_70; [L65] SORT_1 input_72; [L66] SORT_1 input_78; [L67] SORT_1 input_85; [L68] SORT_1 input_91; [L70] SORT_1 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L71] SORT_1 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L72] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L73] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L74] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L75] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L76] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] SORT_1 init_9_arg_1 = var_7; [L79] state_8 = init_9_arg_1 [L80] SORT_1 init_15_arg_1 = var_7; [L81] state_14 = init_15_arg_1 [L82] SORT_1 init_26_arg_1 = var_7; [L83] state_25 = init_26_arg_1 [L84] SORT_1 init_28_arg_1 = var_7; [L85] state_27 = init_28_arg_1 [L86] SORT_1 init_41_arg_1 = var_7; [L87] state_40 = init_41_arg_1 [L88] SORT_1 init_58_arg_1 = var_7; [L89] state_57 = init_58_arg_1 [L90] SORT_1 init_62_arg_1 = var_7; [L91] state_61 = init_62_arg_1 VAL [init_15_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_41_arg_1=0, init_58_arg_1=0, init_62_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_10=4294967295, mask_SORT_3=255, mask_SORT_31=15, mask_SORT_67=1023, msb_SORT_1=1, msb_SORT_10=2147483648, msb_SORT_3=128, msb_SORT_31=8, msb_SORT_67=512, state_14=0, state_25=0, state_27=0, state_40=0, state_57=0, state_61=0, state_8=0, var_12=0, var_21=1, var_7=0] [L94] input_2 = __VERIFIER_nondet_uchar() [L95] input_4 = __VERIFIER_nondet_uchar() [L96] input_5 = __VERIFIER_nondet_uchar() [L97] input_6 = __VERIFIER_nondet_uchar() [L98] input_29 = __VERIFIER_nondet_uchar() [L99] input_32 = __VERIFIER_nondet_uchar() [L100] input_34 = __VERIFIER_nondet_uchar() [L101] input_36 = __VERIFIER_nondet_uchar() [L102] input_38 = __VERIFIER_nondet_uchar() [L103] input_42 = __VERIFIER_nondet_uchar() [L104] input_44 = __VERIFIER_nondet_uchar() [L105] input_46 = __VERIFIER_nondet_uchar() [L106] input_48 = __VERIFIER_nondet_uchar() [L107] input_50 = __VERIFIER_nondet_uchar() [L108] input_53 = __VERIFIER_nondet_uchar() [L109] input_55 = __VERIFIER_nondet_uchar() [L110] input_59 = __VERIFIER_nondet_uchar() [L111] input_63 = __VERIFIER_nondet_uchar() [L112] input_65 = __VERIFIER_nondet_uchar() [L113] input_68 = __VERIFIER_nondet_ushort() [L114] input_70 = __VERIFIER_nondet_uchar() [L115] input_72 = __VERIFIER_nondet_uchar() [L116] input_78 = __VERIFIER_nondet_uchar() [L117] input_85 = __VERIFIER_nondet_uchar() [L118] input_91 = __VERIFIER_nondet_uchar() [L121] SORT_1 var_11_arg_0 = state_8; [L122] var_11_arg_0 = var_11_arg_0 & mask_SORT_1 [L123] SORT_10 var_11 = var_11_arg_0; [L124] SORT_10 var_13_arg_0 = var_11; [L125] SORT_10 var_13_arg_1 = var_12; [L126] SORT_1 var_13 = var_13_arg_0 == var_13_arg_1; [L127] SORT_1 var_16_arg_0 = state_14; [L128] var_16_arg_0 = var_16_arg_0 & mask_SORT_1 [L129] SORT_10 var_16 = var_16_arg_0; [L130] SORT_10 var_17_arg_0 = var_16; [L131] SORT_10 var_17_arg_1 = var_12; [L132] SORT_1 var_17 = var_17_arg_0 == var_17_arg_1; [L133] SORT_1 var_18_arg_0 = var_13; [L134] SORT_1 var_18_arg_1 = var_17; [L135] SORT_1 var_18 = var_18_arg_0 | var_18_arg_1; [L136] SORT_1 var_22_arg_0 = var_18; [L137] SORT_1 var_22 = ~var_22_arg_0; [L138] SORT_1 var_23_arg_0 = var_21; [L139] SORT_1 var_23_arg_1 = var_22; [L140] SORT_1 var_23 = var_23_arg_0 & var_23_arg_1; [L141] var_23 = var_23 & mask_SORT_1 [L142] SORT_1 bad_24_arg_0 = var_23; [L143] CALL __VERIFIER_assert(!(bad_24_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: 0.3s, 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 20:02:32,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/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_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/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_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/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 0ba8aabceec0e9fbb56cd96c96ca9543ed2c6a555966d7008b0b602e9c5d8437 --- 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 20:02:33,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:02:33,903 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:02:33,916 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:02:33,917 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:02:33,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:02:33,918 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:02:33,919 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:02:33,920 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:02:33,921 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:02:33,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:02:33,922 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:02:33,922 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:02:33,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:02:33,924 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:02:33,925 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:02:33,925 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:02:33,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:02:33,927 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:02:33,928 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:02:33,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:02:33,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:02:33,930 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:02:33,931 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:02:33,933 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:02:33,934 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:02:33,934 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:02:33,934 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:02:33,935 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:02:33,935 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:02:33,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:02:33,936 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:02:33,937 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:02:33,937 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:02:33,943 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:02:33,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:02:33,944 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:02:33,944 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:02:33,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:02:33,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:02:33,945 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:02:33,946 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-12-13 20:02:33,962 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:02:33,962 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:02:33,962 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:02:33,962 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:02:33,963 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:02:33,963 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:02:33,963 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:02:33,963 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:02:33,964 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:02:33,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:02:33,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:02:33,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:02:33,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:02:33,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:02:33,965 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 20:02:33,965 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 20:02:33,965 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 20:02:33,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:02:33,965 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:02:33,966 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:02:33,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:02:33,966 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:02:33,966 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:02:33,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:02:33,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:02:33,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:02:33,967 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:02:33,967 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 20:02:33,967 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 20:02:33,967 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:02:33,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:02:33,968 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:02:33,968 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:02:33,968 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 20:02:33,968 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:02:33,968 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_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ba8aabceec0e9fbb56cd96c96ca9543ed2c6a555966d7008b0b602e9c5d8437 [2022-12-13 20:02:34,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:02:34,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:02:34,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:02:34,208 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:02:34,208 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:02:34,210 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p08.c [2022-12-13 20:02:36,842 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:02:36,982 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:02:36,982 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p08.c [2022-12-13 20:02:36,988 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/bin/uautomizer-uyxdKDjOR8/data/93a55aa1a/96ca33ee01dd4cf0ad0ed896b4ccf549/FLAG6da1f2359 [2022-12-13 20:02:36,998 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/bin/uautomizer-uyxdKDjOR8/data/93a55aa1a/96ca33ee01dd4cf0ad0ed896b4ccf549 [2022-12-13 20:02:37,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:02:37,001 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:02:37,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:02:37,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:02:37,005 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:02:37,006 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:02:36" (1/1) ... [2022-12-13 20:02:37,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29a08349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:37, skipping insertion in model container [2022-12-13 20:02:37,007 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:02:36" (1/1) ... [2022-12-13 20:02:37,014 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:02:37,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:02:37,165 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_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p08.c[1107,1120] [2022-12-13 20:02:37,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:02:37,230 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:02:37,238 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_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p08.c[1107,1120] [2022-12-13 20:02:37,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:02:37,271 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:02:37,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:37 WrapperNode [2022-12-13 20:02:37,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:02:37,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:02:37,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:02:37,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:02:37,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:37" (1/1) ... [2022-12-13 20:02:37,284 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:37" (1/1) ... [2022-12-13 20:02:37,302 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 239 [2022-12-13 20:02:37,302 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:02:37,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:02:37,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:02:37,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:02:37,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:37" (1/1) ... [2022-12-13 20:02:37,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:37" (1/1) ... [2022-12-13 20:02:37,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:37" (1/1) ... [2022-12-13 20:02:37,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:37" (1/1) ... [2022-12-13 20:02:37,318 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:37" (1/1) ... [2022-12-13 20:02:37,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:37" (1/1) ... [2022-12-13 20:02:37,322 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:37" (1/1) ... [2022-12-13 20:02:37,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:37" (1/1) ... [2022-12-13 20:02:37,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:02:37,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:02:37,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:02:37,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:02:37,326 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:37" (1/1) ... [2022-12-13 20:02:37,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:02:37,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:02:37,362 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:02:37,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:02:37,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:02:37,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:02:37,485 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:02:37,487 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:02:37,678 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:02:37,684 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:02:37,684 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 20:02:37,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:02:37 BoogieIcfgContainer [2022-12-13 20:02:37,686 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:02:37,689 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:02:37,689 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:02:37,693 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:02:37,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:02:36" (1/3) ... [2022-12-13 20:02:37,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46fc0f38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:02:37, skipping insertion in model container [2022-12-13 20:02:37,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:37" (2/3) ... [2022-12-13 20:02:37,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46fc0f38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:02:37, skipping insertion in model container [2022-12-13 20:02:37,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:02:37" (3/3) ... [2022-12-13 20:02:37,696 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p08.c [2022-12-13 20:02:37,711 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:02:37,712 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 20:02:37,750 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:02:37,756 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;@5619c256, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:02:37,756 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 20:02:37,759 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 20:02:37,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 20:02:37,764 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:02:37,765 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 20:02:37,765 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:02:37,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:02:37,769 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-12-13 20:02:37,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 20:02:37,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1576108262] [2022-12-13 20:02:37,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:02:37,779 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 20:02:37,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 20:02:37,780 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/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 20:02:37,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/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 20:02:37,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:02:37,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 20 conjunts are in the unsatisfiable core [2022-12-13 20:02:37,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:02:38,002 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 20:02:38,002 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:02:38,003 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 20:02:38,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1576108262] [2022-12-13 20:02:38,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1576108262] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:02:38,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:02:38,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 20:02:38,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028188982] [2022-12-13 20:02:38,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:02:38,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 20:02:38,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 20:02:38,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 20:02:38,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:02:38,030 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 20:02:38,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:02:38,074 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-12-13 20:02:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 20:02:38,077 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 20:02:38,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:02:38,082 INFO L225 Difference]: With dead ends: 20 [2022-12-13 20:02:38,082 INFO L226 Difference]: Without dead ends: 11 [2022-12-13 20:02:38,084 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 20:02:38,087 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:02:38,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:02:38,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-12-13 20:02:38,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-12-13 20:02:38,107 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 20:02:38,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-12-13 20:02:38,108 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-12-13 20:02:38,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:02:38,108 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-12-13 20:02:38,108 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 20:02:38,108 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-12-13 20:02:38,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-13 20:02:38,109 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:02:38,109 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-12-13 20:02:38,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/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 20:02:38,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/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 20:02:38,311 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:02:38,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:02:38,314 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-12-13 20:02:38,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 20:02:38,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1679606386] [2022-12-13 20:02:38,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:02:38,320 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 20:02:38,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 20:02:38,324 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/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 20:02:38,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/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 20:02:38,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:02:38,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 31 conjunts are in the unsatisfiable core [2022-12-13 20:02:38,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:02:38,669 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 20:02:38,669 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 20:02:39,263 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 20:02:39,264 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 20:02:39,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1679606386] [2022-12-13 20:02:39,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1679606386] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 20:02:39,264 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 20:02:39,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-12-13 20:02:39,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437130841] [2022-12-13 20:02:39,264 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 20:02:39,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 20:02:39,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 20:02:39,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 20:02:39,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-13 20:02:39,266 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 20:02:39,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:02:39,355 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-12-13 20:02:39,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 20:02:39,355 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 20:02:39,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:02:39,356 INFO L225 Difference]: With dead ends: 16 [2022-12-13 20:02:39,356 INFO L226 Difference]: Without dead ends: 14 [2022-12-13 20:02:39,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2022-12-13 20:02:39,357 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 13 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 20:02:39,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 21 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 20:02:39,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-13 20:02:39,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-12-13 20:02:39,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 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 20:02:39,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-12-13 20:02:39,360 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-12-13 20:02:39,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:02:39,360 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-12-13 20:02:39,360 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 20:02:39,360 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-12-13 20:02:39,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 20:02:39,360 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:02:39,361 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-12-13 20:02:39,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/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 20:02:39,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/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 20:02:39,562 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:02:39,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:02:39,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-12-13 20:02:39,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 20:02:39,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1996416326] [2022-12-13 20:02:39,564 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 20:02:39,564 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 20:02:39,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 20:02:39,566 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/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 20:02:39,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/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 (4)] Waiting until timeout for monitored process [2022-12-13 20:02:39,805 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 20:02:39,805 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 20:02:39,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 73 conjunts are in the unsatisfiable core [2022-12-13 20:02:39,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:02:40,051 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:02:40,051 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 20:02:43,021 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:02:43,021 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 20:02:43,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1996416326] [2022-12-13 20:02:43,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1996416326] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 20:02:43,022 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 20:02:43,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-12-13 20:02:43,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824753285] [2022-12-13 20:02:43,022 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 20:02:43,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 20:02:43,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 20:02:43,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 20:02:43,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-12-13 20:02:43,023 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 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 20:02:43,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:02:43,127 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-12-13 20:02:43,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 20:02:43,127 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 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 11 [2022-12-13 20:02:43,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:02:43,128 INFO L225 Difference]: With dead ends: 19 [2022-12-13 20:02:43,128 INFO L226 Difference]: Without dead ends: 17 [2022-12-13 20:02:43,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2022-12-13 20:02:43,129 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 17 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 20:02:43,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 15 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 20:02:43,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-12-13 20:02:43,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2022-12-13 20:02:43,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 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 20:02:43,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-12-13 20:02:43,131 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2022-12-13 20:02:43,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:02:43,132 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-12-13 20:02:43,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 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 20:02:43,132 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-12-13 20:02:43,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 20:02:43,132 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:02:43,132 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2022-12-13 20:02:43,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/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 (4)] Forceful destruction successful, exit code 0 [2022-12-13 20:02:43,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/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 20:02:43,334 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:02:43,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:02:43,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2022-12-13 20:02:43,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 20:02:43,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [541764663] [2022-12-13 20:02:43,339 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 20:02:43,339 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 20:02:43,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 20:02:43,340 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/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 20:02:43,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/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 (5)] Waiting until timeout for monitored process [2022-12-13 20:02:43,429 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-12-13 20:02:43,429 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 20:02:43,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 40 conjunts are in the unsatisfiable core [2022-12-13 20:02:43,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:02:43,615 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 20:02:43,615 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 20:02:44,147 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 20:02:44,147 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 20:02:44,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [541764663] [2022-12-13 20:02:44,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [541764663] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 20:02:44,148 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 20:02:44,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-12-13 20:02:44,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498395194] [2022-12-13 20:02:44,148 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 20:02:44,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 20:02:44,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 20:02:44,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 20:02:44,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-13 20:02:44,149 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 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 20:02:44,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:02:44,185 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2022-12-13 20:02:44,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 20:02:44,186 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 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 14 [2022-12-13 20:02:44,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:02:44,186 INFO L225 Difference]: With dead ends: 15 [2022-12-13 20:02:44,186 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 20:02:44,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-12-13 20:02:44,187 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 6 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:02:44,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 7 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:02:44,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 20:02:44,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 20:02:44,188 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 20:02:44,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 20:02:44,188 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2022-12-13 20:02:44,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:02:44,188 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 20:02:44,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 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 20:02:44,188 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 20:02:44,188 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 20:02:44,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 20:02:44,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/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 (5)] Forceful destruction successful, exit code 0 [2022-12-13 20:02:44,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/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 20:02:44,394 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 20:02:44,466 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 20:02:44,466 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 20:02:44,467 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 22 235) the Hoare annotation is: false [2022-12-13 20:02:44,467 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 20:02:44,467 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 20:02:44,467 INFO L895 garLoopResultBuilder]: At program point L92-2(lines 92 233) the Hoare annotation is: (let ((.cse0 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse1 (= |ULTIMATE.start_main_~var_7~0#1| (_ bv0 8))) (.cse2 (= |ULTIMATE.start_main_~var_12~0#1| (_ bv0 32))) (.cse3 (= (_ bv0 8) |ULTIMATE.start_main_~state_14~0#1|))) (or (and .cse0 (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) .cse1 .cse2 (or (= |ULTIMATE.start_main_~state_8~0#1| (_ bv0 8)) .cse3)) (and .cse0 (= |ULTIMATE.start_main_~var_7~0#1| |ULTIMATE.start_main_~state_27~0#1|) .cse1 (= |ULTIMATE.start_main_~var_7~0#1| |ULTIMATE.start_main_~state_40~0#1|) (= |ULTIMATE.start_main_~state_8~0#1| |ULTIMATE.start_main_~var_7~0#1|) (= |ULTIMATE.start_main_~var_7~0#1| |ULTIMATE.start_main_~state_61~0#1|) .cse2 .cse3))) [2022-12-13 20:02:44,467 INFO L899 garLoopResultBuilder]: For program point L92-3(lines 92 233) no Hoare annotation was computed. [2022-12-13 20:02:44,467 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2022-12-13 20:02:44,467 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-12-13 20:02:44,467 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2022-12-13 20:02:44,467 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-12-13 20:02:44,470 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1] [2022-12-13 20:02:44,472 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 20:02:44,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:02:44 BoogieIcfgContainer [2022-12-13 20:02:44,481 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 20:02:44,481 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:02:44,481 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:02:44,481 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:02:44,482 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:02:37" (3/4) ... [2022-12-13 20:02:44,484 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 20:02:44,491 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-13 20:02:44,492 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-13 20:02:44,492 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 20:02:44,524 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 20:02:44,524 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:02:44,524 INFO L158 Benchmark]: Toolchain (without parser) took 7523.26ms. Allocated memory was 67.1MB in the beginning and 132.1MB in the end (delta: 65.0MB). Free memory was 43.8MB in the beginning and 42.9MB in the end (delta: 866.0kB). Peak memory consumption was 66.8MB. Max. memory is 16.1GB. [2022-12-13 20:02:44,525 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 67.1MB. Free memory was 45.7MB in the beginning and 45.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:02:44,525 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.48ms. Allocated memory is still 67.1MB. Free memory was 43.5MB in the beginning and 29.3MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 20:02:44,525 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.41ms. Allocated memory is still 67.1MB. Free memory was 29.3MB in the beginning and 26.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 20:02:44,525 INFO L158 Benchmark]: Boogie Preprocessor took 22.15ms. Allocated memory is still 67.1MB. Free memory was 26.7MB in the beginning and 25.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:02:44,525 INFO L158 Benchmark]: RCFGBuilder took 360.91ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 24.8MB in the beginning and 51.8MB in the end (delta: -27.0MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. [2022-12-13 20:02:44,526 INFO L158 Benchmark]: TraceAbstraction took 6791.51ms. Allocated memory was 90.2MB in the beginning and 132.1MB in the end (delta: 41.9MB). Free memory was 51.3MB in the beginning and 48.2MB in the end (delta: 3.2MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. [2022-12-13 20:02:44,526 INFO L158 Benchmark]: Witness Printer took 42.99ms. Allocated memory is still 132.1MB. Free memory was 48.2MB in the beginning and 42.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-13 20:02:44,527 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 67.1MB. Free memory was 45.7MB in the beginning and 45.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.48ms. Allocated memory is still 67.1MB. Free memory was 43.5MB in the beginning and 29.3MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.41ms. Allocated memory is still 67.1MB. Free memory was 29.3MB in the beginning and 26.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.15ms. Allocated memory is still 67.1MB. Free memory was 26.7MB in the beginning and 25.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 360.91ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 24.8MB in the beginning and 51.8MB in the end (delta: -27.0MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. * TraceAbstraction took 6791.51ms. Allocated memory was 90.2MB in the beginning and 132.1MB in the end (delta: 41.9MB). Free memory was 51.3MB in the beginning and 48.2MB in the end (delta: 3.2MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. * Witness Printer took 42.99ms. Allocated memory is still 132.1MB. Free memory was 48.2MB in the beginning and 42.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. 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 - 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: 6.7s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 56 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 41 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 47 IncrementalHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 15 mSDtfsCounter, 47 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=3, InterpolantAutomatonStates: 24, 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, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 6 NumberOfFragments, 47 HoareAnnotationTreeSize, 2 FomulaSimplifications, 55 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 65 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 38 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 64 ConstructedInterpolants, 21 QuantifiedInterpolants, 2325 SizeOfPredicates, 171 NumberOfNonLiveVariables, 828 ConjunctsInSsa, 164 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 18/48 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: 22]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: ((((1bv8 == mask_SORT_1 && cond == 1bv32) && var_7 == 0bv8) && var_12 == 0bv32) && (state_8 == 0bv8 || 0bv8 == state_14)) || (((((((1bv8 == mask_SORT_1 && var_7 == state_27) && var_7 == 0bv8) && var_7 == state_40) && state_8 == var_7) && var_7 == state_61) && var_12 == 0bv32) && 0bv8 == state_14) RESULT: Ultimate proved your program to be correct! [2022-12-13 20:02:44,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0029c46-93ff-49bc-89f5-e874d1b6ee5e/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