./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R --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 27ade89d9994325493c9462293c9b3d2b8ab96fa12e80a31b520a55487db53c4 --- 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-38b53e6 [2022-11-25 15:33:07,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:33:07,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:33:07,296 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:33:07,297 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:33:07,298 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:33:07,299 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:33:07,301 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:33:07,303 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:33:07,303 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:33:07,304 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:33:07,306 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:33:07,306 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:33:07,307 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:33:07,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:33:07,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:33:07,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:33:07,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:33:07,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:33:07,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:33:07,315 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:33:07,316 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:33:07,318 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:33:07,319 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:33:07,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:33:07,322 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:33:07,323 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:33:07,324 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:33:07,324 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:33:07,326 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:33:07,326 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:33:07,327 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:33:07,328 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:33:07,329 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:33:07,330 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:33:07,330 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:33:07,331 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:33:07,332 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:33:07,332 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:33:07,333 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:33:07,334 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:33:07,335 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-25 15:33:07,355 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:33:07,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:33:07,356 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:33:07,356 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:33:07,357 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 15:33:07,357 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 15:33:07,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:33:07,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:33:07,358 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:33:07,359 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:33:07,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 15:33:07,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:33:07,359 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 15:33:07,359 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 15:33:07,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 15:33:07,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:33:07,360 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:33:07,360 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 15:33:07,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:33:07,361 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:33:07,361 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 15:33:07,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:33:07,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:33:07,362 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 15:33:07,362 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 15:33:07,362 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 15:33:07,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 15:33:07,363 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 15:33:07,363 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 15:33:07,363 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 15:33:07,363 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 15:33:07,363 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_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27ade89d9994325493c9462293c9b3d2b8ab96fa12e80a31b520a55487db53c4 [2022-11-25 15:33:07,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:33:07,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:33:07,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:33:07,654 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:33:07,655 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:33:07,656 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p3.c [2022-11-25 15:33:10,798 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:33:11,165 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:33:11,166 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p3.c [2022-11-25 15:33:11,190 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/data/79d2ef178/5084e9db0b8a411a9be4e141cfb7fc1c/FLAG1939a1340 [2022-11-25 15:33:11,204 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/data/79d2ef178/5084e9db0b8a411a9be4e141cfb7fc1c [2022-11-25 15:33:11,207 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:33:11,209 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:33:11,210 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:33:11,210 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:33:11,214 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:33:11,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:33:11" (1/1) ... [2022-11-25 15:33:11,216 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a0a4cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:11, skipping insertion in model container [2022-11-25 15:33:11,217 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:33:11" (1/1) ... [2022-11-25 15:33:11,224 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:33:11,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:33:11,527 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_ba89c194-309f-4892-a957-a71da9c7aab9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p3.c[1107,1120] [2022-11-25 15:33:12,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:33:12,037 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:33:12,049 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_ba89c194-309f-4892-a957-a71da9c7aab9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p3.c[1107,1120] [2022-11-25 15:33:12,233 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:33:12,247 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:33:12,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:12 WrapperNode [2022-11-25 15:33:12,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:33:12,250 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:33:12,251 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:33:12,251 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:33:12,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:12" (1/1) ... [2022-11-25 15:33:12,301 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:12" (1/1) ... [2022-11-25 15:33:12,398 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1801 [2022-11-25 15:33:12,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:33:12,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:33:12,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:33:12,401 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:33:12,411 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:12" (1/1) ... [2022-11-25 15:33:12,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:12" (1/1) ... [2022-11-25 15:33:12,427 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:12" (1/1) ... [2022-11-25 15:33:12,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:12" (1/1) ... [2022-11-25 15:33:12,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:12" (1/1) ... [2022-11-25 15:33:12,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:12" (1/1) ... [2022-11-25 15:33:12,579 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:12" (1/1) ... [2022-11-25 15:33:12,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:12" (1/1) ... [2022-11-25 15:33:12,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:33:12,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:33:12,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:33:12,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:33:12,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:12" (1/1) ... [2022-11-25 15:33:12,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:33:12,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:12,696 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 15:33:12,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 15:33:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:33:12,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:33:13,264 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:33:13,280 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:35:44,841 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:35:44,849 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:35:44,850 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 15:35:44,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:35:44 BoogieIcfgContainer [2022-11-25 15:35:44,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:35:44,855 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 15:35:44,855 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 15:35:44,865 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 15:35:44,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 03:33:11" (1/3) ... [2022-11-25 15:35:44,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@644bd91f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:35:44, skipping insertion in model container [2022-11-25 15:35:44,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:12" (2/3) ... [2022-11-25 15:35:44,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@644bd91f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:35:44, skipping insertion in model container [2022-11-25 15:35:44,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:35:44" (3/3) ... [2022-11-25 15:35:44,870 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_am2910_p3.c [2022-11-25 15:35:44,895 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 15:35:44,895 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 15:35:44,953 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 15:35:44,961 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;@27f4d3b9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 15:35:44,961 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 15:35:44,966 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) [2022-11-25 15:35:44,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 15:35:44,973 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:35:44,973 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 15:35:44,974 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:35:44,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:35:44,980 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-25 15:35:44,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:35:44,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439463192] [2022-11-25 15:35:44,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:35:44,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:35:45,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:35:45,537 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:35:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:35:45,697 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:35:45,700 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 15:35:45,701 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 15:35:45,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 15:35:45,717 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-11-25 15:35:45,722 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 15:35:45,760 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-25 15:35:45,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 03:35:45 BoogieIcfgContainer [2022-11-25 15:35:45,784 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 15:35:45,786 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 15:35:45,787 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 15:35:45,787 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 15:35:45,788 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:35:44" (3/4) ... [2022-11-25 15:35:45,794 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 15:35:45,795 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 15:35:45,796 INFO L158 Benchmark]: Toolchain (without parser) took 154586.98ms. Allocated memory was 148.9MB in the beginning and 979.4MB in the end (delta: 830.5MB). Free memory was 104.1MB in the beginning and 823.8MB in the end (delta: -719.6MB). Peak memory consumption was 113.3MB. Max. memory is 16.1GB. [2022-11-25 15:35:45,797 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 107.0MB. Free memory was 55.3MB in the beginning and 55.3MB in the end (delta: 32.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:35:45,798 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1039.30ms. Allocated memory is still 148.9MB. Free memory was 104.1MB in the beginning and 83.8MB in the end (delta: 20.3MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2022-11-25 15:35:45,799 INFO L158 Benchmark]: Boogie Procedure Inliner took 149.97ms. Allocated memory is still 148.9MB. Free memory was 83.8MB in the beginning and 63.7MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-25 15:35:45,805 INFO L158 Benchmark]: Boogie Preprocessor took 206.83ms. Allocated memory is still 148.9MB. Free memory was 63.7MB in the beginning and 97.9MB in the end (delta: -34.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-25 15:35:45,805 INFO L158 Benchmark]: RCFGBuilder took 152244.02ms. Allocated memory was 148.9MB in the beginning and 979.4MB in the end (delta: 830.5MB). Free memory was 97.9MB in the beginning and 886.7MB in the end (delta: -788.8MB). Peak memory consumption was 600.8MB. Max. memory is 16.1GB. [2022-11-25 15:35:45,807 INFO L158 Benchmark]: TraceAbstraction took 929.99ms. Allocated memory is still 979.4MB. Free memory was 886.7MB in the beginning and 823.8MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-11-25 15:35:45,809 INFO L158 Benchmark]: Witness Printer took 8.31ms. Allocated memory is still 979.4MB. Free memory is still 823.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:35:45,813 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 107.0MB. Free memory was 55.3MB in the beginning and 55.3MB in the end (delta: 32.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1039.30ms. Allocated memory is still 148.9MB. Free memory was 104.1MB in the beginning and 83.8MB in the end (delta: 20.3MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 149.97ms. Allocated memory is still 148.9MB. Free memory was 83.8MB in the beginning and 63.7MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 206.83ms. Allocated memory is still 148.9MB. Free memory was 63.7MB in the beginning and 97.9MB in the end (delta: -34.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * RCFGBuilder took 152244.02ms. Allocated memory was 148.9MB in the beginning and 979.4MB in the end (delta: 830.5MB). Free memory was 97.9MB in the beginning and 886.7MB in the end (delta: -788.8MB). Peak memory consumption was 600.8MB. Max. memory is 16.1GB. * TraceAbstraction took 929.99ms. Allocated memory is still 979.4MB. Free memory was 886.7MB in the beginning and 823.8MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Witness Printer took 8.31ms. Allocated memory is still 979.4MB. Free memory is still 823.8MB. 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 210, overapproximation of bitwiseOr at line 173, overapproximation of bitwiseAnd at line 152. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 12); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (12 - 1); [L28] const SORT_8 mask_SORT_8 = (SORT_8)-1 >> (sizeof(SORT_8) * 8 - 1); [L29] const SORT_8 msb_SORT_8 = (SORT_8)1 << (1 - 1); [L31] const SORT_13 mask_SORT_13 = (SORT_13)-1 >> (sizeof(SORT_13) * 8 - 4); [L32] const SORT_13 msb_SORT_13 = (SORT_13)1 << (4 - 1); [L34] const SORT_97 mask_SORT_97 = (SORT_97)-1 >> (sizeof(SORT_97) * 8 - 3); [L35] const SORT_97 msb_SORT_97 = (SORT_97)1 << (3 - 1); [L37] const SORT_305 mask_SORT_305 = (SORT_305)-1 >> (sizeof(SORT_305) * 8 - 2); [L38] const SORT_305 msb_SORT_305 = (SORT_305)1 << (2 - 1); [L40] const SORT_309 mask_SORT_309 = (SORT_309)-1 >> (sizeof(SORT_309) * 8 - 5); [L41] const SORT_309 msb_SORT_309 = (SORT_309)1 << (5 - 1); [L43] const SORT_311 mask_SORT_311 = (SORT_311)-1 >> (sizeof(SORT_311) * 8 - 6); [L44] const SORT_311 msb_SORT_311 = (SORT_311)1 << (6 - 1); [L46] const SORT_313 mask_SORT_313 = (SORT_313)-1 >> (sizeof(SORT_313) * 8 - 7); [L47] const SORT_313 msb_SORT_313 = (SORT_313)1 << (7 - 1); [L49] const SORT_315 mask_SORT_315 = (SORT_315)-1 >> (sizeof(SORT_315) * 8 - 8); [L50] const SORT_315 msb_SORT_315 = (SORT_315)1 << (8 - 1); [L52] const SORT_317 mask_SORT_317 = (SORT_317)-1 >> (sizeof(SORT_317) * 8 - 9); [L53] const SORT_317 msb_SORT_317 = (SORT_317)1 << (9 - 1); [L55] const SORT_319 mask_SORT_319 = (SORT_319)-1 >> (sizeof(SORT_319) * 8 - 10); [L56] const SORT_319 msb_SORT_319 = (SORT_319)1 << (10 - 1); [L58] const SORT_321 mask_SORT_321 = (SORT_321)-1 >> (sizeof(SORT_321) * 8 - 11); [L59] const SORT_321 msb_SORT_321 = (SORT_321)1 << (11 - 1); [L61] const SORT_8 var_18 = 0; [L62] const SORT_1 var_22 = 0; [L63] const SORT_1 var_25 = 2; [L64] const SORT_1 var_47 = 1; [L65] const SORT_8 var_52 = 1; [L66] const SORT_13 var_56 = 2; [L67] const SORT_13 var_61 = 9; [L68] const SORT_13 var_69 = 15; [L69] const SORT_13 var_74 = 1; [L70] const SORT_13 var_76 = 3; [L71] const SORT_13 var_79 = 5; [L72] const SORT_13 var_82 = 7; [L73] const SORT_13 var_85 = 11; [L74] const SORT_97 var_98 = 0; [L75] const SORT_13 var_111 = 8; [L76] const SORT_13 var_115 = 10; [L77] const SORT_13 var_119 = 13; [L78] const SORT_13 var_130 = 4; [L79] const SORT_13 var_132 = 12; [L80] const SORT_13 var_135 = 14; [L81] const SORT_13 var_141 = 6; [L82] const SORT_13 var_168 = 0; [L83] const SORT_97 var_216 = 1; [L84] const SORT_97 var_218 = 5; [L85] const SORT_1 var_245 = 4095; [L86] const SORT_321 var_592 = 0; [L88] SORT_1 input_2; [L89] SORT_1 input_3; [L90] SORT_1 input_4; [L91] SORT_1 input_5; [L92] SORT_1 input_6; [L93] SORT_1 input_7; [L94] SORT_8 input_9; [L95] SORT_8 input_10; [L96] SORT_8 input_11; [L97] SORT_1 input_12; [L98] SORT_13 input_14; [L99] SORT_8 input_15; [L100] SORT_8 input_16; [L101] SORT_8 input_17; [L102] SORT_1 input_210; [L103] SORT_97 input_212; [L104] SORT_1 input_232; [L105] SORT_97 input_235; [L107] SORT_8 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_8; [L108] SORT_1 state_23 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L109] SORT_1 state_28 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L110] SORT_1 state_30 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L111] SORT_1 state_33 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L112] SORT_1 state_35 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L113] SORT_1 state_39 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L114] SORT_1 state_41 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L115] SORT_1 state_58 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L116] SORT_97 state_99 = __VERIFIER_nondet_uchar() & mask_SORT_97; [L117] SORT_1 state_128 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L119] SORT_8 init_20_arg_1 = var_18; [L120] state_19 = init_20_arg_1 [L121] SORT_1 init_24_arg_1 = var_22; [L122] state_23 = init_24_arg_1 [L123] SORT_1 init_29_arg_1 = var_22; [L124] state_28 = init_29_arg_1 [L125] SORT_1 init_31_arg_1 = var_22; [L126] state_30 = init_31_arg_1 [L127] SORT_1 init_34_arg_1 = var_22; [L128] state_33 = init_34_arg_1 [L129] SORT_1 init_36_arg_1 = var_22; [L130] state_35 = init_36_arg_1 [L131] SORT_1 init_40_arg_1 = var_22; [L132] state_39 = init_40_arg_1 [L133] SORT_1 init_42_arg_1 = var_22; [L134] state_41 = init_42_arg_1 [L135] SORT_1 init_59_arg_1 = var_22; [L136] state_58 = init_59_arg_1 [L137] SORT_97 init_100_arg_1 = var_98; [L138] state_99 = init_100_arg_1 [L139] SORT_1 init_129_arg_1 = var_22; [L140] state_128 = init_129_arg_1 VAL [init_100_arg_1=0, init_129_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_59_arg_1=0, mask_SORT_1=4095, mask_SORT_13=15, mask_SORT_305=3, mask_SORT_309=31, mask_SORT_311=63, mask_SORT_313=127, mask_SORT_315=255, mask_SORT_317=511, mask_SORT_319=1023, mask_SORT_321=2047, mask_SORT_8=1, mask_SORT_97=7, msb_SORT_1=2048, msb_SORT_13=8, msb_SORT_305=2, msb_SORT_309=16, msb_SORT_311=32, msb_SORT_313=64, msb_SORT_315=128, msb_SORT_317=256, msb_SORT_319=512, msb_SORT_321=1024, msb_SORT_8=1, msb_SORT_97=4, state_128=0, state_19=0, state_23=0, state_28=0, state_30=0, state_33=0, state_35=0, state_39=0, state_41=0, state_58=0, state_99=0, var_111=8, var_115=10, var_119=13, var_130=4, var_132=12, var_135=14, var_141=6, var_168=0, var_18=0, var_216=1, var_218=5, var_22=0, var_245=4095, var_25=2, var_47=1, var_52=1, var_56=2, var_592=0, var_61=9, var_69=15, var_74=1, var_76=3, var_79=5, var_82=7, var_85=11, var_98=0] [L143] input_2 = __VERIFIER_nondet_ushort() [L144] input_3 = __VERIFIER_nondet_ushort() [L145] input_4 = __VERIFIER_nondet_ushort() [L146] input_5 = __VERIFIER_nondet_ushort() [L147] input_6 = __VERIFIER_nondet_ushort() [L148] input_7 = __VERIFIER_nondet_ushort() [L149] input_9 = __VERIFIER_nondet_uchar() [L150] input_10 = __VERIFIER_nondet_uchar() [L151] input_11 = __VERIFIER_nondet_uchar() [L152] input_11 = input_11 & mask_SORT_8 [L153] input_12 = __VERIFIER_nondet_ushort() [L154] input_14 = __VERIFIER_nondet_uchar() [L155] input_14 = input_14 & mask_SORT_13 [L156] input_15 = __VERIFIER_nondet_uchar() [L157] input_16 = __VERIFIER_nondet_uchar() [L158] input_17 = __VERIFIER_nondet_uchar() [L159] input_210 = __VERIFIER_nondet_ushort() [L160] input_212 = __VERIFIER_nondet_uchar() [L161] input_232 = __VERIFIER_nondet_ushort() [L162] input_235 = __VERIFIER_nondet_uchar() [L165] SORT_8 var_21_arg_0 = state_19; [L166] SORT_8 var_21_arg_1 = var_18; [L167] SORT_8 var_21 = var_21_arg_0 == var_21_arg_1; [L168] SORT_1 var_26_arg_0 = state_23; [L169] SORT_1 var_26_arg_1 = var_25; [L170] SORT_8 var_26 = var_26_arg_0 != var_26_arg_1; [L171] SORT_8 var_27_arg_0 = var_21; [L172] SORT_8 var_27_arg_1 = var_26; [L173] SORT_8 var_27 = var_27_arg_0 | var_27_arg_1; [L174] SORT_8 var_44_arg_0 = var_18; [L175] SORT_1 var_44_arg_1 = input_7; [L176] SORT_1 var_44_arg_2 = input_6; [L177] SORT_1 var_44 = var_44_arg_0 ? var_44_arg_1 : var_44_arg_2; [L178] SORT_8 var_43_arg_0 = var_18; [L179] SORT_1 var_43_arg_1 = state_41; [L180] SORT_1 var_43_arg_2 = state_39; [L181] SORT_1 var_43 = var_43_arg_0 ? var_43_arg_1 : var_43_arg_2; [L182] SORT_8 var_45_arg_0 = var_18; [L183] SORT_1 var_45_arg_1 = var_44; [L184] SORT_1 var_45_arg_2 = var_43; [L185] SORT_1 var_45 = var_45_arg_0 ? var_45_arg_1 : var_45_arg_2; [L186] SORT_8 var_37_arg_0 = var_18; [L187] SORT_1 var_37_arg_1 = state_35; [L188] SORT_1 var_37_arg_2 = state_33; [L189] SORT_1 var_37 = var_37_arg_0 ? var_37_arg_1 : var_37_arg_2; [L190] SORT_8 var_32_arg_0 = var_18; [L191] SORT_1 var_32_arg_1 = state_30; [L192] SORT_1 var_32_arg_2 = state_28; [L193] SORT_1 var_32 = var_32_arg_0 ? var_32_arg_1 : var_32_arg_2; [L194] SORT_8 var_38_arg_0 = var_18; [L195] SORT_1 var_38_arg_1 = var_37; [L196] SORT_1 var_38_arg_2 = var_32; [L197] SORT_1 var_38 = var_38_arg_0 ? var_38_arg_1 : var_38_arg_2; [L198] SORT_8 var_46_arg_0 = var_18; [L199] SORT_1 var_46_arg_1 = var_45; [L200] SORT_1 var_46_arg_2 = var_38; [L201] SORT_1 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L202] var_46 = var_46 & mask_SORT_1 [L203] SORT_1 var_48_arg_0 = var_46; [L204] SORT_1 var_48_arg_1 = var_47; [L205] SORT_8 var_48 = var_48_arg_0 == var_48_arg_1; [L206] SORT_8 var_49_arg_0 = var_27; [L207] SORT_8 var_49_arg_1 = var_48; [L208] SORT_8 var_49 = var_49_arg_0 | var_49_arg_1; [L209] SORT_8 var_53_arg_0 = var_49; [L210] SORT_8 var_53 = ~var_53_arg_0; [L211] SORT_8 var_54_arg_0 = var_52; [L212] SORT_8 var_54_arg_1 = var_53; [L213] SORT_8 var_54 = var_54_arg_0 & var_54_arg_1; [L214] var_54 = var_54 & mask_SORT_8 [L215] SORT_8 bad_55_arg_0 = var_54; [L216] CALL __VERIFIER_assert(!(bad_55_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: 0.8s, 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, 0.4s 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 [2022-11-25 15:35:45,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/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_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R --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 27ade89d9994325493c9462293c9b3d2b8ab96fa12e80a31b520a55487db53c4 --- 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-38b53e6 [2022-11-25 15:35:48,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:35:48,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:35:48,315 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:35:48,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:35:48,321 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:35:48,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:35:48,328 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:35:48,331 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:35:48,336 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:35:48,338 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:35:48,339 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:35:48,340 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:35:48,343 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:35:48,345 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:35:48,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:35:48,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:35:48,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:35:48,355 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:35:48,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:35:48,365 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:35:48,367 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:35:48,370 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:35:48,371 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:35:48,374 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:35:48,379 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:35:48,379 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:35:48,381 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:35:48,382 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:35:48,383 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:35:48,384 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:35:48,385 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:35:48,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:35:48,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:35:48,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:35:48,391 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:35:48,392 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:35:48,392 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:35:48,393 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:35:48,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:35:48,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:35:48,401 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-25 15:35:48,434 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:35:48,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:35:48,435 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:35:48,435 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:35:48,436 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 15:35:48,436 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 15:35:48,437 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:35:48,437 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:35:48,437 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:35:48,438 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:35:48,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:35:48,438 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 15:35:48,438 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 15:35:48,441 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 15:35:48,441 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 15:35:48,442 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 15:35:48,442 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 15:35:48,442 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:35:48,442 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:35:48,443 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 15:35:48,443 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:35:48,443 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:35:48,443 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 15:35:48,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:35:48,444 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:35:48,445 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 15:35:48,445 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 15:35:48,445 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 15:35:48,446 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 15:35:48,446 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 15:35:48,447 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 15:35:48,447 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 15:35:48,447 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 15:35:48,447 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 15:35:48,448 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_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27ade89d9994325493c9462293c9b3d2b8ab96fa12e80a31b520a55487db53c4 [2022-11-25 15:35:48,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:35:48,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:35:48,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:35:48,904 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:35:48,904 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:35:48,906 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p3.c [2022-11-25 15:35:52,363 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:35:52,764 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:35:52,765 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p3.c [2022-11-25 15:35:52,795 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/data/d276b72bd/05695221101d4416b407957eb700a2ed/FLAG831e60661 [2022-11-25 15:35:52,809 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/data/d276b72bd/05695221101d4416b407957eb700a2ed [2022-11-25 15:35:52,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:35:52,813 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:35:52,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:35:52,815 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:35:52,818 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:35:52,820 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:35:52" (1/1) ... [2022-11-25 15:35:52,821 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7095af5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:52, skipping insertion in model container [2022-11-25 15:35:52,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:35:52" (1/1) ... [2022-11-25 15:35:52,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:35:52,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:35:53,103 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_ba89c194-309f-4892-a957-a71da9c7aab9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p3.c[1107,1120] [2022-11-25 15:35:53,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:35:53,551 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:35:53,563 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_ba89c194-309f-4892-a957-a71da9c7aab9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p3.c[1107,1120] [2022-11-25 15:35:53,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:35:53,805 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:35:53,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:53 WrapperNode [2022-11-25 15:35:53,806 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:35:53,807 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:35:53,807 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:35:53,808 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:35:53,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:53" (1/1) ... [2022-11-25 15:35:53,868 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:53" (1/1) ... [2022-11-25 15:35:54,007 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1801 [2022-11-25 15:35:54,008 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:35:54,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:35:54,009 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:35:54,009 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:35:54,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:53" (1/1) ... [2022-11-25 15:35:54,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:53" (1/1) ... [2022-11-25 15:35:54,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:53" (1/1) ... [2022-11-25 15:35:54,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:53" (1/1) ... [2022-11-25 15:35:54,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:53" (1/1) ... [2022-11-25 15:35:54,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:53" (1/1) ... [2022-11-25 15:35:54,075 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:53" (1/1) ... [2022-11-25 15:35:54,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:53" (1/1) ... [2022-11-25 15:35:54,099 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:35:54,100 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:35:54,100 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:35:54,100 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:35:54,101 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:53" (1/1) ... [2022-11-25 15:35:54,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:35:54,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:54,135 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:54,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 15:35:54,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:35:54,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:35:54,768 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:35:54,773 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:35:58,473 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:35:58,483 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:35:58,484 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 15:35:58,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:35:58 BoogieIcfgContainer [2022-11-25 15:35:58,487 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:35:58,490 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 15:35:58,490 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 15:35:58,493 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 15:35:58,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 03:35:52" (1/3) ... [2022-11-25 15:35:58,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2677f968 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:35:58, skipping insertion in model container [2022-11-25 15:35:58,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:53" (2/3) ... [2022-11-25 15:35:58,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2677f968 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:35:58, skipping insertion in model container [2022-11-25 15:35:58,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:35:58" (3/3) ... [2022-11-25 15:35:58,502 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_am2910_p3.c [2022-11-25 15:35:58,523 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 15:35:58,523 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 15:35:58,576 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 15:35:58,583 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;@75e5baff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 15:35:58,584 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 15:35:58,588 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) [2022-11-25 15:35:58,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 15:35:58,597 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:35:58,598 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 15:35:58,599 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:35:58,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:35:58,608 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-25 15:35:58,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 15:35:58,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [360858864] [2022-11-25 15:35:58,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:35:58,649 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 [2022-11-25 15:35:58,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 15:35:58,659 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 15:35:58,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:35:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:35:59,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-25 15:35:59,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:35:59,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:35:59,364 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:35:59,365 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 15:35:59,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [360858864] [2022-11-25 15:35:59,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [360858864] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:35:59,366 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:35:59,366 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 15:35:59,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165687299] [2022-11-25 15:35:59,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:35:59,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 15:35:59,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 15:35:59,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 15:35:59,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 15:35:59,435 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) [2022-11-25 15:35:59,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:35:59,842 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-25 15:35:59,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 15:35:59,846 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 [2022-11-25 15:35:59,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:35:59,855 INFO L225 Difference]: With dead ends: 20 [2022-11-25 15:35:59,856 INFO L226 Difference]: Without dead ends: 11 [2022-11-25 15:35:59,860 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 [2022-11-25 15:35:59,866 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-11-25 15:35:59,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-25 15:35:59,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-25 15:35:59,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-25 15:35:59,901 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) [2022-11-25 15:35:59,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-25 15:35:59,904 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-25 15:35:59,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:35:59,905 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-25 15:35:59,906 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) [2022-11-25 15:35:59,906 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-25 15:35:59,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 15:35:59,907 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:35:59,907 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-25 15:35:59,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:36:00,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:36:00,120 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:36:00,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:36:00,121 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-25 15:36:00,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 15:36:00,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1785487513] [2022-11-25 15:36:00,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:36:00,125 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 [2022-11-25 15:36:00,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 15:36:00,127 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 15:36:00,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:36:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:01,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 1646 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-25 15:36:01,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:36:01,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:36:01,523 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 15:36:02,217 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:36:02,217 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 15:36:02,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1785487513] [2022-11-25 15:36:02,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1785487513] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 15:36:02,219 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 15:36:02,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-25 15:36:02,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790300387] [2022-11-25 15:36:02,224 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 15:36:02,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 15:36:02,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 15:36:02,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 15:36:02,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-25 15:36:02,230 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) [2022-11-25 15:36:02,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:36:02,988 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-25 15:36:02,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 15:36:02,989 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 [2022-11-25 15:36:02,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:36:02,989 INFO L225 Difference]: With dead ends: 16 [2022-11-25 15:36:02,989 INFO L226 Difference]: Without dead ends: 14 [2022-11-25 15:36:02,990 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 [2022-11-25 15:36:02,991 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 13 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.7s IncrementalHoareTripleChecker+Time [2022-11-25 15:36:02,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 21 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-25 15:36:02,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-25 15:36:02,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-25 15:36:02,995 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) [2022-11-25 15:36:02,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-25 15:36:02,996 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-25 15:36:02,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:36:02,996 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-25 15:36:02,996 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) [2022-11-25 15:36:02,996 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-25 15:36:02,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 15:36:02,997 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:36:02,997 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-25 15:36:03,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:36:03,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:36:03,216 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:36:03,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:36:03,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-25 15:36:03,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 15:36:03,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2130957634] [2022-11-25 15:36:03,223 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 15:36:03,223 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 [2022-11-25 15:36:03,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 15:36:03,224 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 15:36:03,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:36:04,670 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-25 15:36:04,671 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 15:36:04,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 3146 conjuncts, 79 conjunts are in the unsatisfiable core [2022-11-25 15:36:04,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:36:10,679 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:36:10,679 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 15:37:27,584 WARN L233 SmtUtils]: Spent 1.20m on a formula simplification. DAG size of input: 671 DAG size of output: 324 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 15:37:27,834 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:37:27,834 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 15:37:27,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2130957634] [2022-11-25 15:37:27,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2130957634] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 15:37:27,835 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 15:37:27,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-11-25 15:37:27,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651263132] [2022-11-25 15:37:27,836 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 15:37:27,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-25 15:37:27,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 15:37:27,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-25 15:37:27,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-11-25 15:37:27,838 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) [2022-11-25 15:37:36,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-25 15:37:37,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:37:37,482 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-11-25 15:37:37,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 15:37:37,482 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 [2022-11-25 15:37:37,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:37:37,483 INFO L225 Difference]: With dead ends: 19 [2022-11-25 15:37:37,483 INFO L226 Difference]: Without dead ends: 17 [2022-11-25 15:37:37,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 87.6s TimeCoverageRelationStatistics Valid=59, Invalid=122, Unknown=1, NotChecked=0, Total=182 [2022-11-25 15:37:37,485 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 25 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-25 15:37:37,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 21 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2022-11-25 15:37:37,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-25 15:37:37,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2022-11-25 15:37:37,493 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) [2022-11-25 15:37:37,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-11-25 15:37:37,494 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2022-11-25 15:37:37,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:37:37,495 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-11-25 15:37:37,495 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) [2022-11-25 15:37:37,495 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-11-25 15:37:37,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-25 15:37:37,496 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:37:37,496 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2022-11-25 15:37:37,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:37:37,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:37:37,697 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:37:37,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:37:37,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2022-11-25 15:37:37,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 15:37:37,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [677978478] [2022-11-25 15:37:37,701 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 15:37:37,702 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 [2022-11-25 15:37:37,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 15:37:37,703 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 15:37:37,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba89c194-309f-4892-a957-a71da9c7aab9/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:37:39,644 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-25 15:37:39,644 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 15:37:39,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 4646 conjuncts, 308 conjunts are in the unsatisfiable core [2022-11-25 15:37:39,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:37:44,980 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:37:44,981 INFO L328 TraceCheckSpWp]: Computing backward predicates...