./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b01652b30ec09a692ad6378ed531eb12202ad1b62f1f35df71071640dd6a83a1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:19:00,275 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:19:00,369 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:19:00,375 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:19:00,375 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:19:00,403 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:19:00,404 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:19:00,405 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:19:00,405 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:19:00,406 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:19:00,406 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:19:00,407 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:19:00,408 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:19:00,408 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:19:00,409 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:19:00,409 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:19:00,410 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:19:00,410 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:19:00,411 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:19:00,411 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:19:00,412 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:19:00,417 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:19:00,418 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:19:00,418 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:19:00,423 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:19:00,423 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:19:00,424 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:19:00,424 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:19:00,425 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:19:00,425 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:19:00,426 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:19:00,426 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:19:00,427 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:19:00,427 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:19:00,427 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:19:00,427 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:19:00,427 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:19:00,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:19:00,428 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:19:00,428 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:19:00,428 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:19:00,429 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:19:00,429 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:19:00,429 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:19:00,430 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:19:00,430 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:19:00,431 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:19:00,431 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b01652b30ec09a692ad6378ed531eb12202ad1b62f1f35df71071640dd6a83a1 [2023-11-23 21:19:00,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:19:00,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:19:00,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:19:00,727 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:19:00,727 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:19:00,729 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-10.i [2023-11-23 21:19:03,811 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:19:04,022 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:19:04,023 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-10.i [2023-11-23 21:19:04,033 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/data/ec5b42e9a/f962e317dbff4f2ea12312abd81c440f/FLAG25978fd68 [2023-11-23 21:19:04,050 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/data/ec5b42e9a/f962e317dbff4f2ea12312abd81c440f [2023-11-23 21:19:04,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:19:04,057 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:19:04,059 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:19:04,059 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:19:04,065 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:19:04,066 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:19:04" (1/1) ... [2023-11-23 21:19:04,067 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bbb4df6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:04, skipping insertion in model container [2023-11-23 21:19:04,067 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:19:04" (1/1) ... [2023-11-23 21:19:04,099 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:19:04,263 WARN L240 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_31000449-d900-48fb-8bff-abc165414086/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-10.i[916,929] [2023-11-23 21:19:04,369 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:19:04,390 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:19:04,404 WARN L240 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_31000449-d900-48fb-8bff-abc165414086/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-10.i[916,929] [2023-11-23 21:19:04,479 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:19:04,509 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:19:04,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:04 WrapperNode [2023-11-23 21:19:04,510 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:19:04,511 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:19:04,512 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:19:04,512 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:19:04,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:04" (1/1) ... [2023-11-23 21:19:04,548 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:04" (1/1) ... [2023-11-23 21:19:04,607 INFO L138 Inliner]: procedures = 29, calls = 173, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 435 [2023-11-23 21:19:04,607 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:19:04,608 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:19:04,608 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:19:04,608 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:19:04,618 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:04" (1/1) ... [2023-11-23 21:19:04,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:04" (1/1) ... [2023-11-23 21:19:04,640 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:04" (1/1) ... [2023-11-23 21:19:04,652 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:04" (1/1) ... [2023-11-23 21:19:04,678 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:04" (1/1) ... [2023-11-23 21:19:04,683 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:04" (1/1) ... [2023-11-23 21:19:04,707 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:04" (1/1) ... [2023-11-23 21:19:04,710 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:04" (1/1) ... [2023-11-23 21:19:04,715 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:19:04,716 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:19:04,717 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:19:04,717 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:19:04,718 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:04" (1/1) ... [2023-11-23 21:19:04,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:19:04,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:19:04,752 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:19:04,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:19:04,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-23 21:19:04,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:19:04,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-23 21:19:04,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:19:04,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-23 21:19:04,809 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:19:04,809 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:19:04,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:19:04,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:19:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:19:04,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:19:04,975 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:19:04,977 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:19:05,601 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:19:06,217 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:19:06,218 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:19:06,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:06 BoogieIcfgContainer [2023-11-23 21:19:06,221 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:19:06,227 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:19:06,227 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:19:06,231 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:19:06,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:19:04" (1/3) ... [2023-11-23 21:19:06,233 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d79a8b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:19:06, skipping insertion in model container [2023-11-23 21:19:06,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:04" (2/3) ... [2023-11-23 21:19:06,235 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d79a8b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:19:06, skipping insertion in model container [2023-11-23 21:19:06,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:06" (3/3) ... [2023-11-23 21:19:06,237 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-10.i [2023-11-23 21:19:06,267 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:19:06,267 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:19:06,348 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:19:06,358 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@2ee97231, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:19:06,359 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:19:06,363 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 25 states have (on average 1.12) internal successors, (28), 26 states have internal predecessors, (28), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-23 21:19:06,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-23 21:19:06,377 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:06,378 INFO L195 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:19:06,379 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:06,387 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:06,387 INFO L85 PathProgramCache]: Analyzing trace with hash 2122829270, now seen corresponding path program 1 times [2023-11-23 21:19:06,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:19:06,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801634431] [2023-11-23 21:19:06,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:06,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:19:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:19:08,411 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:19:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:19:09,789 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:19:09,793 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:19:09,795 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:19:09,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:19:09,804 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:19:09,811 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:19:09,879 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-23 21:19:09,881 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-23 21:19:09,881 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-23 21:19:09,882 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-23 21:19:09,883 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-23 21:19:09,883 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-23 21:19:09,884 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-23 21:19:09,884 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated [2023-11-23 21:19:09,884 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-23 21:19:09,884 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short43 could not be translated [2023-11-23 21:19:09,885 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated [2023-11-23 21:19:09,885 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-23 21:19:09,885 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-23 21:19:09,886 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-23 21:19:09,886 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-23 21:19:09,886 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short43 could not be translated [2023-11-23 21:19:09,886 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated [2023-11-23 21:19:09,887 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated [2023-11-23 21:19:09,888 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-23 21:19:09,888 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-23 21:19:09,888 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated [2023-11-23 21:19:09,889 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-23 21:19:09,889 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated [2023-11-23 21:19:09,889 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-11-23 21:19:09,889 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-23 21:19:09,890 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-23 21:19:09,890 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated [2023-11-23 21:19:09,890 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-11-23 21:19:09,890 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-23 21:19:09,891 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-23 21:19:09,891 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-23 21:19:09,892 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated [2023-11-23 21:19:09,893 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-11-23 21:19:09,893 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated [2023-11-23 21:19:09,893 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-23 21:19:09,893 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-23 21:19:09,894 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-23 21:19:09,894 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-23 21:19:09,894 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-23 21:19:09,895 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-23 21:19:09,895 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated [2023-11-23 21:19:09,895 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-11-23 21:19:09,896 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-23 21:19:09,896 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-23 21:19:09,897 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-23 21:19:09,897 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-23 21:19:09,897 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-23 21:19:09,898 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-23 21:19:09,898 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-23 21:19:09,899 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-23 21:19:09,906 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-23 21:19:09,907 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-23 21:19:09,907 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-23 21:19:09,908 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-23 21:19:09,909 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-23 21:19:09,909 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-23 21:19:09,910 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-23 21:19:09,911 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-23 21:19:09,912 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-23 21:19:09,913 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-23 21:19:09,914 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-23 21:19:09,915 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-23 21:19:09,915 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-23 21:19:09,917 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-23 21:19:09,918 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-23 21:19:09,920 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-23 21:19:09,921 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-23 21:19:09,921 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-23 21:19:09,921 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-23 21:19:09,926 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-23 21:19:09,927 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-23 21:19:09,928 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-23 21:19:09,928 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-23 21:19:09,929 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-23 21:19:09,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:19:09 BoogieIcfgContainer [2023-11-23 21:19:09,968 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:19:09,971 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:19:09,971 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:19:09,971 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:19:09,972 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:06" (3/4) ... [2023-11-23 21:19:09,975 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:19:09,976 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:19:09,978 INFO L158 Benchmark]: Toolchain (without parser) took 5920.13ms. Allocated memory was 169.9MB in the beginning and 264.2MB in the end (delta: 94.4MB). Free memory was 129.9MB in the beginning and 170.6MB in the end (delta: -40.8MB). Peak memory consumption was 56.7MB. Max. memory is 16.1GB. [2023-11-23 21:19:09,979 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 113.2MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:19:09,980 INFO L158 Benchmark]: CACSL2BoogieTranslator took 451.64ms. Allocated memory is still 169.9MB. Free memory was 129.9MB in the beginning and 112.2MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 21:19:09,981 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.21ms. Allocated memory is still 169.9MB. Free memory was 112.2MB in the beginning and 108.1MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:19:09,983 INFO L158 Benchmark]: Boogie Preprocessor took 107.50ms. Allocated memory is still 169.9MB. Free memory was 108.1MB in the beginning and 105.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:19:09,988 INFO L158 Benchmark]: RCFGBuilder took 1505.09ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 105.3MB in the beginning and 107.2MB in the end (delta: -1.9MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. [2023-11-23 21:19:09,990 INFO L158 Benchmark]: TraceAbstraction took 3742.02ms. Allocated memory was 205.5MB in the beginning and 264.2MB in the end (delta: 58.7MB). Free memory was 107.2MB in the beginning and 170.6MB in the end (delta: -63.4MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. [2023-11-23 21:19:09,991 INFO L158 Benchmark]: Witness Printer took 5.81ms. Allocated memory is still 264.2MB. Free memory is still 170.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:19:10,001 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 113.2MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 451.64ms. Allocated memory is still 169.9MB. Free memory was 129.9MB in the beginning and 112.2MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.21ms. Allocated memory is still 169.9MB. Free memory was 112.2MB in the beginning and 108.1MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 107.50ms. Allocated memory is still 169.9MB. Free memory was 108.1MB in the beginning and 105.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1505.09ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 105.3MB in the beginning and 107.2MB in the end (delta: -1.9MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. * TraceAbstraction took 3742.02ms. Allocated memory was 205.5MB in the beginning and 264.2MB in the end (delta: 58.7MB). Free memory was 107.2MB in the beginning and 170.6MB in the end (delta: -63.4MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. * Witness Printer took 5.81ms. Allocated memory is still 264.2MB. Free memory is still 170.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 86, overapproximation of someBinaryFLOATComparisonOperation at line 129, overapproximation of someUnaryDOUBLEoperation at line 84. Possible FailurePath: [L42] unsigned char isInitial = 0; [L43-L62] struct WrapperStruct00 WrapperStruct00 = { 5, 8, 9.15, 1000000.875, 49.25, -0.8, -10, 58996, 32, 32, 16, 2, 32, 1000000000, -0.5, 2, 0, 0 }; [L63] double last_1_WrapperStruct00_var_1_3 = 9.15; [L133] isInitial = 1 [L134] FCALL initially() [L135] COND TRUE 1 [L136] CALL updateLastVariables() [L126] EXPR WrapperStruct00.var_1_3 [L126] last_1_WrapperStruct00_var_1_3 = WrapperStruct00.var_1_3 [L136] RET updateLastVariables() [L137] CALL updateVariables() [L94] WrapperStruct00.var_1_2 = __VERIFIER_nondet_ulong() [L95] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L96] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_2 <= 4294967294) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(WrapperStruct00.var_1_2 <= 4294967294) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L97] WrapperStruct00.var_1_6 = __VERIFIER_nondet_double() [L98] EXPR WrapperStruct00.var_1_6 [L98] EXPR WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F [L98] EXPR WrapperStruct00.var_1_6 [L98] EXPR WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F [L98] EXPR (WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L98] CALL assume_abort_if_not((WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not((WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L99] WrapperStruct00.var_1_7 = __VERIFIER_nondet_double() [L100] EXPR WrapperStruct00.var_1_7 [L100] EXPR WrapperStruct00.var_1_7 >= 0.0F && WrapperStruct00.var_1_7 <= -1.0e-20F [L100] EXPR (WrapperStruct00.var_1_7 >= 0.0F && WrapperStruct00.var_1_7 <= -1.0e-20F) || (WrapperStruct00.var_1_7 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_7 >= 1.0e-20F ) [L100] EXPR WrapperStruct00.var_1_7 [L100] EXPR WrapperStruct00.var_1_7 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_7 >= 1.0e-20F [L100] EXPR WrapperStruct00.var_1_7 [L100] EXPR WrapperStruct00.var_1_7 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_7 >= 1.0e-20F [L100] EXPR (WrapperStruct00.var_1_7 >= 0.0F && WrapperStruct00.var_1_7 <= -1.0e-20F) || (WrapperStruct00.var_1_7 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_7 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L100] CALL assume_abort_if_not((WrapperStruct00.var_1_7 >= 0.0F && WrapperStruct00.var_1_7 <= -1.0e-20F) || (WrapperStruct00.var_1_7 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_7 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not((WrapperStruct00.var_1_7 >= 0.0F && WrapperStruct00.var_1_7 <= -1.0e-20F) || (WrapperStruct00.var_1_7 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_7 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L101] WrapperStruct00.var_1_8 = __VERIFIER_nondet_double() [L102] EXPR WrapperStruct00.var_1_8 [L102] EXPR WrapperStruct00.var_1_8 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F [L102] EXPR WrapperStruct00.var_1_8 [L102] EXPR WrapperStruct00.var_1_8 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F [L102] EXPR (WrapperStruct00.var_1_8 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L102] CALL assume_abort_if_not((WrapperStruct00.var_1_8 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not((WrapperStruct00.var_1_8 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L103] WrapperStruct00.var_1_10 = __VERIFIER_nondet_ushort() [L104] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L104] CALL assume_abort_if_not(WrapperStruct00.var_1_10 >= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(WrapperStruct00.var_1_10 >= 32767) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L105] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L105] CALL assume_abort_if_not(WrapperStruct00.var_1_10 <= 65535) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(WrapperStruct00.var_1_10 <= 65535) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L106] WrapperStruct00.var_1_11 = __VERIFIER_nondet_ushort() [L107] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L107] CALL assume_abort_if_not(WrapperStruct00.var_1_11 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(WrapperStruct00.var_1_11 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L108] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L108] CALL assume_abort_if_not(WrapperStruct00.var_1_11 <= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(WrapperStruct00.var_1_11 <= 32767) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L109] WrapperStruct00.var_1_12 = __VERIFIER_nondet_char() [L110] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L110] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= -1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(WrapperStruct00.var_1_12 >= -1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L111] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L111] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(WrapperStruct00.var_1_12 <= 126) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L112] WrapperStruct00.var_1_13 = __VERIFIER_nondet_char() [L113] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L113] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L114] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L114] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 126) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L115] WrapperStruct00.var_1_14 = __VERIFIER_nondet_char() [L116] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L116] CALL assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L117] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L117] CALL assume_abort_if_not(WrapperStruct00.var_1_14 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(WrapperStruct00.var_1_14 <= 126) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L118] WrapperStruct00.var_1_17 = __VERIFIER_nondet_long() [L119] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L119] CALL assume_abort_if_not(WrapperStruct00.var_1_17 >= 536870911) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(WrapperStruct00.var_1_17 >= 536870911) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L120] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L120] CALL assume_abort_if_not(WrapperStruct00.var_1_17 <= 1073741823) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(WrapperStruct00.var_1_17 <= 1073741823) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L121] WrapperStruct00.var_1_21 = __VERIFIER_nondet_uchar() [L122] EXPR WrapperStruct00.var_1_21 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L122] CALL assume_abort_if_not(WrapperStruct00.var_1_21 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(WrapperStruct00.var_1_21 >= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L123] EXPR WrapperStruct00.var_1_21 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L123] CALL assume_abort_if_not(WrapperStruct00.var_1_21 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(WrapperStruct00.var_1_21 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L137] RET updateVariables() [L138] CALL step() [L67] EXPR WrapperStruct00.var_1_2 [L67] WrapperStruct00.var_1_1 = WrapperStruct00.var_1_2 [L68] EXPR WrapperStruct00.var_1_8 [L68] WrapperStruct00.var_1_18 = WrapperStruct00.var_1_8 [L69] EXPR WrapperStruct00.var_1_12 [L69] WrapperStruct00.var_1_19 = WrapperStruct00.var_1_12 [L70] EXPR WrapperStruct00.var_1_21 [L70] WrapperStruct00.var_1_20 = WrapperStruct00.var_1_21 [L71] EXPR WrapperStruct00.var_1_19 [L71] signed char stepLocal_1 = WrapperStruct00.var_1_19; [L72] EXPR WrapperStruct00.var_1_10 [L72] EXPR WrapperStruct00.var_1_11 [L72] COND TRUE (- (WrapperStruct00.var_1_10 - WrapperStruct00.var_1_11)) >= stepLocal_1 [L73] EXPR WrapperStruct00.var_1_12 [L73] EXPR WrapperStruct00.var_1_13 [L73] EXPR WrapperStruct00.var_1_14 [L73] EXPR ((WrapperStruct00.var_1_13) > (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_13) : (WrapperStruct00.var_1_14) [L73] EXPR WrapperStruct00.var_1_13 [L73] EXPR ((WrapperStruct00.var_1_13) > (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_13) : (WrapperStruct00.var_1_14) [L73] WrapperStruct00.var_1_9 = (WrapperStruct00.var_1_12 - ((((WrapperStruct00.var_1_13) > (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_13) : (WrapperStruct00.var_1_14)))) [L77] WrapperStruct00.var_1_20 [L77] COND TRUE WrapperStruct00.var_1_20 [L78] EXPR WrapperStruct00.var_1_12 [L78] EXPR WrapperStruct00.var_1_14 [L78] WrapperStruct00.var_1_15 = (WrapperStruct00.var_1_12 - WrapperStruct00.var_1_14) [L82] EXPR WrapperStruct00.var_1_15 [L82] signed long int stepLocal_0 = WrapperStruct00.var_1_15; [L83] EXPR WrapperStruct00.var_1_1 [L83] COND FALSE !(stepLocal_0 < WrapperStruct00.var_1_1) [L86] EXPR WrapperStruct00.var_1_6 [L86] EXPR WrapperStruct00.var_1_7 [L86] COND TRUE (- last_1_WrapperStruct00_var_1_3) == (WrapperStruct00.var_1_6 - WrapperStruct00.var_1_7) [L87] EXPR WrapperStruct00.var_1_8 [L87] WrapperStruct00.var_1_3 = WrapperStruct00.var_1_8 [L138] RET step() [L139] CALL, EXPR property() [L129] EXPR WrapperStruct00.var_1_1 [L129] EXPR WrapperStruct00.var_1_2 [L129] EXPR (WrapperStruct00.var_1_1 == ((unsigned long int) WrapperStruct00.var_1_2)) && ((WrapperStruct00.var_1_15 < WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_3 == ((double) -0.5)) : (((- last_1_WrapperStruct00_var_1_3) == (WrapperStruct00.var_1_6 - WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_3 == ((double) WrapperStruct00.var_1_8)) : (WrapperStruct00.var_1_3 == ((double) WrapperStruct00.var_1_8)))) [L129] EXPR WrapperStruct00.var_1_15 [L129] EXPR WrapperStruct00.var_1_1 [L129] EXPR (WrapperStruct00.var_1_15 < WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_3 == ((double) -0.5)) : (((- last_1_WrapperStruct00_var_1_3) == (WrapperStruct00.var_1_6 - WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_3 == ((double) WrapperStruct00.var_1_8)) : (WrapperStruct00.var_1_3 == ((double) WrapperStruct00.var_1_8))) [L129] EXPR WrapperStruct00.var_1_6 [L129] EXPR WrapperStruct00.var_1_7 [L129] EXPR ((- last_1_WrapperStruct00_var_1_3) == (WrapperStruct00.var_1_6 - WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_3 == ((double) WrapperStruct00.var_1_8)) : (WrapperStruct00.var_1_3 == ((double) WrapperStruct00.var_1_8)) [L129] EXPR WrapperStruct00.var_1_3 [L129] EXPR WrapperStruct00.var_1_8 [L129] EXPR ((- last_1_WrapperStruct00_var_1_3) == (WrapperStruct00.var_1_6 - WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_3 == ((double) WrapperStruct00.var_1_8)) : (WrapperStruct00.var_1_3 == ((double) WrapperStruct00.var_1_8)) [L129] EXPR (WrapperStruct00.var_1_15 < WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_3 == ((double) -0.5)) : (((- last_1_WrapperStruct00_var_1_3) == (WrapperStruct00.var_1_6 - WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_3 == ((double) WrapperStruct00.var_1_8)) : (WrapperStruct00.var_1_3 == ((double) WrapperStruct00.var_1_8))) [L129] EXPR (WrapperStruct00.var_1_1 == ((unsigned long int) WrapperStruct00.var_1_2)) && ((WrapperStruct00.var_1_15 < WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_3 == ((double) -0.5)) : (((- last_1_WrapperStruct00_var_1_3) == (WrapperStruct00.var_1_6 - WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_3 == ((double) WrapperStruct00.var_1_8)) : (WrapperStruct00.var_1_3 == ((double) WrapperStruct00.var_1_8)))) [L129] EXPR ((WrapperStruct00.var_1_1 == ((unsigned long int) WrapperStruct00.var_1_2)) && ((WrapperStruct00.var_1_15 < WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_3 == ((double) -0.5)) : (((- last_1_WrapperStruct00_var_1_3) == (WrapperStruct00.var_1_6 - WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_3 == ((double) WrapperStruct00.var_1_8)) : (WrapperStruct00.var_1_3 == ((double) WrapperStruct00.var_1_8))))) && (((- (WrapperStruct00.var_1_10 - WrapperStruct00.var_1_11)) >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_9 == ((signed char) (WrapperStruct00.var_1_12 - ((((WrapperStruct00.var_1_13) > (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_13) : (WrapperStruct00.var_1_14)))))) : (WrapperStruct00.var_1_9 == ((signed char) ((((WrapperStruct00.var_1_12) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_14)))))) [L129] EXPR (((WrapperStruct00.var_1_1 == ((unsigned long int) WrapperStruct00.var_1_2)) && ((WrapperStruct00.var_1_15 < WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_3 == ((double) -0.5)) : (((- last_1_WrapperStruct00_var_1_3) == (WrapperStruct00.var_1_6 - WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_3 == ((double) WrapperStruct00.var_1_8)) : (WrapperStruct00.var_1_3 == ((double) WrapperStruct00.var_1_8))))) && (((- (WrapperStruct00.var_1_10 - WrapperStruct00.var_1_11)) >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_9 == ((signed char) (WrapperStruct00.var_1_12 - ((((WrapperStruct00.var_1_13) > (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_13) : (WrapperStruct00.var_1_14)))))) : (WrapperStruct00.var_1_9 == ((signed char) ((((WrapperStruct00.var_1_12) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_14))))))) && (WrapperStruct00.var_1_20 ? (WrapperStruct00.var_1_15 == ((signed long int) (WrapperStruct00.var_1_12 - WrapperStruct00.var_1_14))) : (WrapperStruct00.var_1_15 == ((signed long int) (WrapperStruct00.var_1_13 - ((WrapperStruct00.var_1_17 - 4) + ((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)))))))) [L129] EXPR ((((WrapperStruct00.var_1_1 == ((unsigned long int) WrapperStruct00.var_1_2)) && ((WrapperStruct00.var_1_15 < WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_3 == ((double) -0.5)) : (((- last_1_WrapperStruct00_var_1_3) == (WrapperStruct00.var_1_6 - WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_3 == ((double) WrapperStruct00.var_1_8)) : (WrapperStruct00.var_1_3 == ((double) WrapperStruct00.var_1_8))))) && (((- (WrapperStruct00.var_1_10 - WrapperStruct00.var_1_11)) >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_9 == ((signed char) (WrapperStruct00.var_1_12 - ((((WrapperStruct00.var_1_13) > (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_13) : (WrapperStruct00.var_1_14)))))) : (WrapperStruct00.var_1_9 == ((signed char) ((((WrapperStruct00.var_1_12) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_14))))))) && (WrapperStruct00.var_1_20 ? (WrapperStruct00.var_1_15 == ((signed long int) (WrapperStruct00.var_1_12 - WrapperStruct00.var_1_14))) : (WrapperStruct00.var_1_15 == ((signed long int) (WrapperStruct00.var_1_13 - ((WrapperStruct00.var_1_17 - 4) + ((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11))))))))) && (WrapperStruct00.var_1_18 == ((float) WrapperStruct00.var_1_8)) [L129] EXPR (((((WrapperStruct00.var_1_1 == ((unsigned long int) WrapperStruct00.var_1_2)) && ((WrapperStruct00.var_1_15 < WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_3 == ((double) -0.5)) : (((- last_1_WrapperStruct00_var_1_3) == (WrapperStruct00.var_1_6 - WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_3 == ((double) WrapperStruct00.var_1_8)) : (WrapperStruct00.var_1_3 == ((double) WrapperStruct00.var_1_8))))) && (((- (WrapperStruct00.var_1_10 - WrapperStruct00.var_1_11)) >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_9 == ((signed char) (WrapperStruct00.var_1_12 - ((((WrapperStruct00.var_1_13) > (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_13) : (WrapperStruct00.var_1_14)))))) : (WrapperStruct00.var_1_9 == ((signed char) ((((WrapperStruct00.var_1_12) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_14))))))) && (WrapperStruct00.var_1_20 ? (WrapperStruct00.var_1_15 == ((signed long int) (WrapperStruct00.var_1_12 - WrapperStruct00.var_1_14))) : (WrapperStruct00.var_1_15 == ((signed long int) (WrapperStruct00.var_1_13 - ((WrapperStruct00.var_1_17 - 4) + ((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11))))))))) && (WrapperStruct00.var_1_18 == ((float) WrapperStruct00.var_1_8))) && (WrapperStruct00.var_1_19 == ((signed char) WrapperStruct00.var_1_12)) [L129] EXPR ((((((WrapperStruct00.var_1_1 == ((unsigned long int) WrapperStruct00.var_1_2)) && ((WrapperStruct00.var_1_15 < WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_3 == ((double) -0.5)) : (((- last_1_WrapperStruct00_var_1_3) == (WrapperStruct00.var_1_6 - WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_3 == ((double) WrapperStruct00.var_1_8)) : (WrapperStruct00.var_1_3 == ((double) WrapperStruct00.var_1_8))))) && (((- (WrapperStruct00.var_1_10 - WrapperStruct00.var_1_11)) >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_9 == ((signed char) (WrapperStruct00.var_1_12 - ((((WrapperStruct00.var_1_13) > (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_13) : (WrapperStruct00.var_1_14)))))) : (WrapperStruct00.var_1_9 == ((signed char) ((((WrapperStruct00.var_1_12) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_14))))))) && (WrapperStruct00.var_1_20 ? (WrapperStruct00.var_1_15 == ((signed long int) (WrapperStruct00.var_1_12 - WrapperStruct00.var_1_14))) : (WrapperStruct00.var_1_15 == ((signed long int) (WrapperStruct00.var_1_13 - ((WrapperStruct00.var_1_17 - 4) + ((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11))))))))) && (WrapperStruct00.var_1_18 == ((float) WrapperStruct00.var_1_8))) && (WrapperStruct00.var_1_19 == ((signed char) WrapperStruct00.var_1_12))) && (WrapperStruct00.var_1_20 == ((unsigned char) WrapperStruct00.var_1_21)) [L129-L130] return ((((((WrapperStruct00.var_1_1 == ((unsigned long int) WrapperStruct00.var_1_2)) && ((WrapperStruct00.var_1_15 < WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_3 == ((double) -0.5)) : (((- last_1_WrapperStruct00_var_1_3) == (WrapperStruct00.var_1_6 - WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_3 == ((double) WrapperStruct00.var_1_8)) : (WrapperStruct00.var_1_3 == ((double) WrapperStruct00.var_1_8))))) && (((- (WrapperStruct00.var_1_10 - WrapperStruct00.var_1_11)) >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_9 == ((signed char) (WrapperStruct00.var_1_12 - ((((WrapperStruct00.var_1_13) > (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_13) : (WrapperStruct00.var_1_14)))))) : (WrapperStruct00.var_1_9 == ((signed char) ((((WrapperStruct00.var_1_12) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_14))))))) && (WrapperStruct00.var_1_20 ? (WrapperStruct00.var_1_15 == ((signed long int) (WrapperStruct00.var_1_12 - WrapperStruct00.var_1_14))) : (WrapperStruct00.var_1_15 == ((signed long int) (WrapperStruct00.var_1_13 - ((WrapperStruct00.var_1_17 - 4) + ((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11))))))))) && (WrapperStruct00.var_1_18 == ((float) WrapperStruct00.var_1_8))) && (WrapperStruct00.var_1_19 == ((signed char) WrapperStruct00.var_1_12))) && (WrapperStruct00.var_1_20 == ((unsigned char) WrapperStruct00.var_1_21)) ; [L139] RET, EXPR property() [L139] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] [L19] reach_error() VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_3=183/20] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 1, TraceHistogramMax: 19, 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=47occurred 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, 1.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 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 [2023-11-23 21:19:10,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/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_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b01652b30ec09a692ad6378ed531eb12202ad1b62f1f35df71071640dd6a83a1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:19:12,646 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:19:12,752 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:19:12,765 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:19:12,766 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:19:12,812 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:19:12,813 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:19:12,814 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:19:12,815 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:19:12,820 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:19:12,820 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:19:12,821 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:19:12,821 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:19:12,823 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:19:12,823 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:19:12,823 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:19:12,825 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:19:12,825 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:19:12,825 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:19:12,826 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:19:12,827 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:19:12,827 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:19:12,828 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:19:12,828 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:19:12,829 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:19:12,829 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:19:12,829 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:19:12,830 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:19:12,830 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:19:12,831 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:19:12,832 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:19:12,832 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:19:12,833 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:19:12,833 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:19:12,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:19:12,834 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:19:12,834 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:19:12,834 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:19:12,834 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:19:12,835 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:19:12,836 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:19:12,836 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:19:12,836 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:19:12,836 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:19:12,837 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b01652b30ec09a692ad6378ed531eb12202ad1b62f1f35df71071640dd6a83a1 [2023-11-23 21:19:13,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:19:13,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:19:13,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:19:13,281 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:19:13,281 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:19:13,283 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-10.i [2023-11-23 21:19:16,547 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:19:16,806 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:19:16,806 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-10.i [2023-11-23 21:19:16,817 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/data/17dd3dbb2/5899219850214fddbd6df49801d2c3b2/FLAG44878523d [2023-11-23 21:19:16,831 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/data/17dd3dbb2/5899219850214fddbd6df49801d2c3b2 [2023-11-23 21:19:16,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:19:16,835 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:19:16,836 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:19:16,836 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:19:16,842 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:19:16,842 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:19:16" (1/1) ... [2023-11-23 21:19:16,843 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e3686fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:16, skipping insertion in model container [2023-11-23 21:19:16,843 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:19:16" (1/1) ... [2023-11-23 21:19:16,875 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:19:17,017 WARN L240 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_31000449-d900-48fb-8bff-abc165414086/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-10.i[916,929] [2023-11-23 21:19:17,076 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:19:17,092 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:19:17,105 WARN L240 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_31000449-d900-48fb-8bff-abc165414086/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-10.i[916,929] [2023-11-23 21:19:17,208 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:19:17,240 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:19:17,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:17 WrapperNode [2023-11-23 21:19:17,240 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:19:17,241 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:19:17,242 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:19:17,242 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:19:17,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:17" (1/1) ... [2023-11-23 21:19:17,271 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:17" (1/1) ... [2023-11-23 21:19:17,333 INFO L138 Inliner]: procedures = 39, calls = 173, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 431 [2023-11-23 21:19:17,333 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:19:17,334 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:19:17,334 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:19:17,334 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:19:17,341 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:17" (1/1) ... [2023-11-23 21:19:17,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:17" (1/1) ... [2023-11-23 21:19:17,352 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:17" (1/1) ... [2023-11-23 21:19:17,353 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:17" (1/1) ... [2023-11-23 21:19:17,380 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:17" (1/1) ... [2023-11-23 21:19:17,385 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:17" (1/1) ... [2023-11-23 21:19:17,390 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:17" (1/1) ... [2023-11-23 21:19:17,393 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:17" (1/1) ... [2023-11-23 21:19:17,401 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:19:17,402 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:19:17,402 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:19:17,402 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:19:17,403 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:17" (1/1) ... [2023-11-23 21:19:17,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:19:17,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:19:17,469 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:19:17,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:19:17,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:19:17,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-23 21:19:17,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-23 21:19:17,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-23 21:19:17,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-23 21:19:17,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:19:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-23 21:19:17,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-23 21:19:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-23 21:19:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 21:19:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-23 21:19:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-23 21:19:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-23 21:19:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:19:17,534 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:19:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:19:17,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:19:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-23 21:19:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-23 21:19:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 21:19:17,724 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:19:17,727 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:19:19,378 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:19:19,461 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:19:19,466 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:19:19,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:19 BoogieIcfgContainer [2023-11-23 21:19:19,468 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:19:19,471 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:19:19,471 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:19:19,476 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:19:19,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:19:16" (1/3) ... [2023-11-23 21:19:19,478 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7291da8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:19:19, skipping insertion in model container [2023-11-23 21:19:19,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:17" (2/3) ... [2023-11-23 21:19:19,478 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7291da8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:19:19, skipping insertion in model container [2023-11-23 21:19:19,479 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:19" (3/3) ... [2023-11-23 21:19:19,480 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-10.i [2023-11-23 21:19:19,517 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:19:19,517 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:19:19,569 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:19:19,576 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@7cc44468, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:19:19,577 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:19:19,581 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 82 states have (on average 1.4146341463414633) internal successors, (116), 83 states have internal predecessors, (116), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-23 21:19:19,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-23 21:19:19,598 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:19,599 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:19:19,599 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:19,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:19,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1426010592, now seen corresponding path program 1 times [2023-11-23 21:19:19,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:19:19,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1394876385] [2023-11-23 21:19:19,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:19,621 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 [2023-11-23 21:19:19,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:19:19,625 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:19:19,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:19:20,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:20,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:19:20,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:19:20,170 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 344 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2023-11-23 21:19:20,170 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:19:20,171 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:19:20,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1394876385] [2023-11-23 21:19:20,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1394876385] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:19:20,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:19:20,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:19:20,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126900728] [2023-11-23 21:19:20,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:19:20,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:19:20,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:19:20,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:19:20,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:19:20,220 INFO L87 Difference]: Start difference. First operand has 104 states, 82 states have (on average 1.4146341463414633) internal successors, (116), 83 states have internal predecessors, (116), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-23 21:19:20,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:19:20,367 INFO L93 Difference]: Finished difference Result 205 states and 325 transitions. [2023-11-23 21:19:20,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:19:20,370 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 147 [2023-11-23 21:19:20,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:19:20,380 INFO L225 Difference]: With dead ends: 205 [2023-11-23 21:19:20,380 INFO L226 Difference]: Without dead ends: 102 [2023-11-23 21:19:20,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:19:20,394 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:19:20,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 143 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:19:20,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-11-23 21:19:20,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2023-11-23 21:19:20,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 81 states have (on average 1.345679012345679) internal successors, (109), 81 states have internal predecessors, (109), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-23 21:19:20,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 147 transitions. [2023-11-23 21:19:20,451 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 147 transitions. Word has length 147 [2023-11-23 21:19:20,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:19:20,452 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 147 transitions. [2023-11-23 21:19:20,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-23 21:19:20,452 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 147 transitions. [2023-11-23 21:19:20,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-23 21:19:20,456 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:20,457 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:19:20,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:19:20,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:19:20,666 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:20,667 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:20,667 INFO L85 PathProgramCache]: Analyzing trace with hash -2089719354, now seen corresponding path program 1 times [2023-11-23 21:19:20,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:19:20,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [903618134] [2023-11-23 21:19:20,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:20,668 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 [2023-11-23 21:19:20,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:19:20,670 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:19:20,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:19:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:21,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:19:21,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:19:21,202 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2023-11-23 21:19:21,202 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:19:21,202 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:19:21,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [903618134] [2023-11-23 21:19:21,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [903618134] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:19:21,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:19:21,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:19:21,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382860993] [2023-11-23 21:19:21,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:19:21,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:19:21,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:19:21,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:19:21,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:19:21,209 INFO L87 Difference]: Start difference. First operand 102 states and 147 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-23 21:19:21,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:19:21,421 INFO L93 Difference]: Finished difference Result 209 states and 302 transitions. [2023-11-23 21:19:21,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:19:21,435 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 147 [2023-11-23 21:19:21,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:19:21,437 INFO L225 Difference]: With dead ends: 209 [2023-11-23 21:19:21,437 INFO L226 Difference]: Without dead ends: 108 [2023-11-23 21:19:21,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:19:21,440 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 10 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:19:21,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 421 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:19:21,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2023-11-23 21:19:21,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 104. [2023-11-23 21:19:21,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 83 states have (on average 1.3373493975903614) internal successors, (111), 83 states have internal predecessors, (111), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-23 21:19:21,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 149 transitions. [2023-11-23 21:19:21,459 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 149 transitions. Word has length 147 [2023-11-23 21:19:21,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:19:21,460 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 149 transitions. [2023-11-23 21:19:21,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-23 21:19:21,461 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 149 transitions. [2023-11-23 21:19:21,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-23 21:19:21,466 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:21,466 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:19:21,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:19:21,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:19:21,675 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:21,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:21,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1841781444, now seen corresponding path program 1 times [2023-11-23 21:19:21,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:19:21,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1797071428] [2023-11-23 21:19:21,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:21,678 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 [2023-11-23 21:19:21,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:19:21,679 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:19:21,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:19:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:22,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:19:22,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:19:22,126 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-23 21:19:22,126 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:19:22,126 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:19:22,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1797071428] [2023-11-23 21:19:22,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1797071428] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:19:22,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:19:22,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 21:19:22,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842739204] [2023-11-23 21:19:22,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:19:22,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:19:22,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:19:22,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:19:22,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:19:22,130 INFO L87 Difference]: Start difference. First operand 104 states and 149 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-23 21:19:22,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:19:22,697 INFO L93 Difference]: Finished difference Result 239 states and 343 transitions. [2023-11-23 21:19:22,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 21:19:22,697 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 147 [2023-11-23 21:19:22,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:19:22,701 INFO L225 Difference]: With dead ends: 239 [2023-11-23 21:19:22,701 INFO L226 Difference]: Without dead ends: 136 [2023-11-23 21:19:22,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-23 21:19:22,703 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 83 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:19:22,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 677 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 21:19:22,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2023-11-23 21:19:22,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 110. [2023-11-23 21:19:22,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 89 states have (on average 1.3146067415730338) internal successors, (117), 89 states have internal predecessors, (117), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-23 21:19:22,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 155 transitions. [2023-11-23 21:19:22,718 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 155 transitions. Word has length 147 [2023-11-23 21:19:22,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:19:22,719 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 155 transitions. [2023-11-23 21:19:22,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-23 21:19:22,719 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 155 transitions. [2023-11-23 21:19:22,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-23 21:19:22,722 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:22,723 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:19:22,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:19:22,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:19:22,932 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:22,932 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:22,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1032434818, now seen corresponding path program 1 times [2023-11-23 21:19:22,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:19:22,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1417457162] [2023-11-23 21:19:22,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:22,934 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 [2023-11-23 21:19:22,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:19:22,935 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:19:22,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:19:23,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:23,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 21:19:23,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:19:23,379 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-23 21:19:23,380 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:19:23,380 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:19:23,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1417457162] [2023-11-23 21:19:23,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1417457162] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:19:23,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:19:23,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 21:19:23,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398086147] [2023-11-23 21:19:23,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:19:23,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 21:19:23,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:19:23,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 21:19:23,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-23 21:19:23,383 INFO L87 Difference]: Start difference. First operand 110 states and 155 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-23 21:19:23,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:19:23,853 INFO L93 Difference]: Finished difference Result 248 states and 347 transitions. [2023-11-23 21:19:23,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-23 21:19:23,856 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 147 [2023-11-23 21:19:23,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:19:23,859 INFO L225 Difference]: With dead ends: 248 [2023-11-23 21:19:23,859 INFO L226 Difference]: Without dead ends: 139 [2023-11-23 21:19:23,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2023-11-23 21:19:23,866 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 85 mSDsluCounter, 670 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 804 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:19:23,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 804 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 21:19:23,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2023-11-23 21:19:23,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 112. [2023-11-23 21:19:23,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 91 states have (on average 1.3076923076923077) internal successors, (119), 91 states have internal predecessors, (119), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-23 21:19:23,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 157 transitions. [2023-11-23 21:19:23,884 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 157 transitions. Word has length 147 [2023-11-23 21:19:23,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:19:23,885 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 157 transitions. [2023-11-23 21:19:23,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-23 21:19:23,885 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 157 transitions. [2023-11-23 21:19:23,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-23 21:19:23,889 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:23,889 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:19:23,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-23 21:19:24,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:19:24,097 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:24,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:24,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1089693120, now seen corresponding path program 1 times [2023-11-23 21:19:24,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:19:24,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [962297816] [2023-11-23 21:19:24,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:24,100 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 [2023-11-23 21:19:24,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:19:24,101 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:19:24,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/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 (6)] Waiting until timeout for monitored process [2023-11-23 21:19:24,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:24,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 21:19:24,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:19:24,578 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-23 21:19:24,578 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:19:24,578 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:19:24,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [962297816] [2023-11-23 21:19:24,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [962297816] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:19:24,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:19:24,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 21:19:24,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026478544] [2023-11-23 21:19:24,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:19:24,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 21:19:24,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:19:24,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 21:19:24,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:19:24,582 INFO L87 Difference]: Start difference. First operand 112 states and 157 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-23 21:19:25,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:19:25,394 INFO L93 Difference]: Finished difference Result 251 states and 346 transitions. [2023-11-23 21:19:25,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-23 21:19:25,395 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 147 [2023-11-23 21:19:25,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:19:25,397 INFO L225 Difference]: With dead ends: 251 [2023-11-23 21:19:25,397 INFO L226 Difference]: Without dead ends: 140 [2023-11-23 21:19:25,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2023-11-23 21:19:25,399 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 71 mSDsluCounter, 793 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 926 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-23 21:19:25,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 926 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-23 21:19:25,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2023-11-23 21:19:25,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 114. [2023-11-23 21:19:25,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 93 states have (on average 1.3010752688172043) internal successors, (121), 93 states have internal predecessors, (121), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-23 21:19:25,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 159 transitions. [2023-11-23 21:19:25,411 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 159 transitions. Word has length 147 [2023-11-23 21:19:25,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:19:25,412 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 159 transitions. [2023-11-23 21:19:25,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-23 21:19:25,412 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 159 transitions. [2023-11-23 21:19:25,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-23 21:19:25,435 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:25,435 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:19:25,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/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 (6)] Forceful destruction successful, exit code 0 [2023-11-23 21:19:25,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:19:25,644 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:25,644 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:25,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1089752702, now seen corresponding path program 1 times [2023-11-23 21:19:25,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:19:25,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [506410580] [2023-11-23 21:19:25,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:25,645 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 [2023-11-23 21:19:25,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:19:25,649 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:19:25,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/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 (7)] Waiting until timeout for monitored process [2023-11-23 21:19:26,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:26,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 21:19:26,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:19:26,219 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:19:26,220 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2023-11-23 21:19:26,271 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2023-11-23 21:19:26,272 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:19:26,272 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:19:26,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [506410580] [2023-11-23 21:19:26,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [506410580] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:19:26,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:19:26,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:19:26,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976585074] [2023-11-23 21:19:26,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:19:26,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:19:26,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:19:26,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:19:26,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:19:26,275 INFO L87 Difference]: Start difference. First operand 114 states and 159 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-23 21:19:28,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:19:28,257 INFO L93 Difference]: Finished difference Result 231 states and 323 transitions. [2023-11-23 21:19:28,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 21:19:28,258 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 147 [2023-11-23 21:19:28,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:19:28,260 INFO L225 Difference]: With dead ends: 231 [2023-11-23 21:19:28,260 INFO L226 Difference]: Without dead ends: 118 [2023-11-23 21:19:28,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-23 21:19:28,261 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 155 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-23 21:19:28,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 393 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-23 21:19:28,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-11-23 21:19:28,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 112. [2023-11-23 21:19:28,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 91 states have (on average 1.2967032967032968) internal successors, (118), 91 states have internal predecessors, (118), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-23 21:19:28,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 156 transitions. [2023-11-23 21:19:28,273 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 156 transitions. Word has length 147 [2023-11-23 21:19:28,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:19:28,273 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 156 transitions. [2023-11-23 21:19:28,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-23 21:19:28,274 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 156 transitions. [2023-11-23 21:19:28,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-23 21:19:28,276 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:28,276 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:19:28,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/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 (7)] Forceful destruction successful, exit code 0 [2023-11-23 21:19:28,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:19:28,485 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:28,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:28,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1380434554, now seen corresponding path program 1 times [2023-11-23 21:19:28,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:19:28,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [876494971] [2023-11-23 21:19:28,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:28,495 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 [2023-11-23 21:19:28,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:19:28,496 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:19:28,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/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 (8)] Waiting until timeout for monitored process [2023-11-23 21:19:28,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:28,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 21:19:28,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:19:29,055 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:19:29,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 172 treesize of output 64 [2023-11-23 21:19:29,157 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 192 proven. 8 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2023-11-23 21:19:29,161 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:19:29,536 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:19:29,536 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 110 treesize of output 1 [2023-11-23 21:19:29,543 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 6 proven. 48 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-23 21:19:29,544 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:19:29,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [876494971] [2023-11-23 21:19:29,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [876494971] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:19:29,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [640988499] [2023-11-23 21:19:29,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:29,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:19:29,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:19:29,550 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:19:29,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-23 21:19:30,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:30,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 21:19:30,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:19:31,042 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:19:31,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 227 treesize of output 83 [2023-11-23 21:19:31,071 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 192 proven. 8 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2023-11-23 21:19:31,071 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:19:31,606 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:19:31,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 166 treesize of output 1 [2023-11-23 21:19:31,612 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 6 proven. 48 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-23 21:19:31,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [640988499] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:19:31,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744493024] [2023-11-23 21:19:31,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:31,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:19:31,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:19:31,618 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:19:31,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-23 21:19:31,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:31,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 21:19:31,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:19:31,953 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:19:31,953 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 37 [2023-11-23 21:19:32,082 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:19:32,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 54 [2023-11-23 21:19:32,267 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:19:32,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 74 treesize of output 91 [2023-11-23 21:19:32,573 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:19:32,574 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 90 treesize of output 114 [2023-11-23 21:19:35,024 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-23 21:19:35,024 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:19:35,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1744493024] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:19:35,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2023-11-23 21:19:35,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9, 8, 10, 9] total 21 [2023-11-23 21:19:35,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630297995] [2023-11-23 21:19:35,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:19:35,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 21:19:35,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:19:35,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 21:19:35,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=349, Unknown=1, NotChecked=0, Total=420 [2023-11-23 21:19:35,027 INFO L87 Difference]: Start difference. First operand 112 states and 156 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-23 21:19:37,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 21:19:39,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 21:19:41,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 21:19:45,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:19:45,241 INFO L93 Difference]: Finished difference Result 265 states and 367 transitions. [2023-11-23 21:19:45,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 21:19:45,244 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 149 [2023-11-23 21:19:45,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:19:45,246 INFO L225 Difference]: With dead ends: 265 [2023-11-23 21:19:45,247 INFO L226 Difference]: Without dead ends: 154 [2023-11-23 21:19:45,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 742 GetRequests, 721 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=83, Invalid=422, Unknown=1, NotChecked=0, Total=506 [2023-11-23 21:19:45,249 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 190 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 12 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2023-11-23 21:19:45,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 334 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 181 Invalid, 3 Unknown, 0 Unchecked, 9.9s Time] [2023-11-23 21:19:45,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2023-11-23 21:19:45,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 110. [2023-11-23 21:19:45,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 89 states have (on average 1.2921348314606742) internal successors, (115), 89 states have internal predecessors, (115), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-23 21:19:45,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 153 transitions. [2023-11-23 21:19:45,261 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 153 transitions. Word has length 149 [2023-11-23 21:19:45,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:19:45,262 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 153 transitions. [2023-11-23 21:19:45,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-23 21:19:45,262 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 153 transitions. [2023-11-23 21:19:45,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-23 21:19:45,264 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:45,265 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:19:45,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-23 21:19:45,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-11-23 21:19:45,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/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 (8)] Ended with exit code 0 [2023-11-23 21:19:45,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:19:45,881 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:45,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:45,882 INFO L85 PathProgramCache]: Analyzing trace with hash 1209207659, now seen corresponding path program 1 times [2023-11-23 21:19:45,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:19:45,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [219800763] [2023-11-23 21:19:45,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:45,882 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 [2023-11-23 21:19:45,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:19:45,883 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:19:45,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/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 (11)] Waiting until timeout for monitored process [2023-11-23 21:19:46,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:46,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 21:19:46,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:19:46,494 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:19:46,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 172 treesize of output 64 [2023-11-23 21:19:46,615 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 192 proven. 8 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2023-11-23 21:19:46,616 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:19:47,020 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:19:47,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 110 treesize of output 1 [2023-11-23 21:19:47,027 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 6 proven. 48 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-23 21:19:47,028 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:19:47,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [219800763] [2023-11-23 21:19:47,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [219800763] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:19:47,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1806300609] [2023-11-23 21:19:47,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:47,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:19:47,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:19:47,032 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:19:47,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-11-23 21:19:48,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:48,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 21:19:48,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:19:48,538 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:19:48,538 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 227 treesize of output 83 [2023-11-23 21:19:48,575 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 192 proven. 8 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2023-11-23 21:19:48,576 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:19:49,280 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:19:49,281 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 166 treesize of output 1 [2023-11-23 21:19:49,288 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 6 proven. 48 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-23 21:19:49,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1806300609] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:19:49,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [847486034] [2023-11-23 21:19:49,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:49,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:19:49,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:19:49,293 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:19:49,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-23 21:19:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:49,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 21:19:49,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:19:49,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 21:19:49,610 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2023-11-23 21:19:49,823 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:19:49,823 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 55 [2023-11-23 21:19:50,043 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-23 21:19:50,043 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:19:50,396 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-23 21:19:50,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [847486034] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-23 21:19:50,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 5 imperfect interpolant sequences. [2023-11-23 21:19:50,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 8, 10, 9, 8] total 22 [2023-11-23 21:19:50,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893517391] [2023-11-23 21:19:50,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:19:50,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:19:50,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:19:50,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:19:50,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=393, Unknown=0, NotChecked=0, Total=462 [2023-11-23 21:19:50,399 INFO L87 Difference]: Start difference. First operand 110 states and 153 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-23 21:19:55,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:19:55,328 INFO L93 Difference]: Finished difference Result 356 states and 494 transitions. [2023-11-23 21:19:55,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 21:19:55,338 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 151 [2023-11-23 21:19:55,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:19:55,341 INFO L225 Difference]: With dead ends: 356 [2023-11-23 21:19:55,341 INFO L226 Difference]: Without dead ends: 247 [2023-11-23 21:19:55,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 904 GetRequests, 880 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=96, Invalid=554, Unknown=0, NotChecked=0, Total=650 [2023-11-23 21:19:55,343 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 228 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 870 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-11-23 21:19:55,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 870 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-11-23 21:19:55,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2023-11-23 21:19:55,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 116. [2023-11-23 21:19:55,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 95 states have (on average 1.2842105263157895) internal successors, (122), 95 states have internal predecessors, (122), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-23 21:19:55,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 160 transitions. [2023-11-23 21:19:55,359 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 160 transitions. Word has length 151 [2023-11-23 21:19:55,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:19:55,360 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 160 transitions. [2023-11-23 21:19:55,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-23 21:19:55,360 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 160 transitions. [2023-11-23 21:19:55,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-23 21:19:55,362 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:55,363 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:19:55,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/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 (11)] Forceful destruction successful, exit code 0 [2023-11-23 21:19:55,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-23 21:19:55,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2023-11-23 21:19:55,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt [2023-11-23 21:19:55,971 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:55,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:55,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1227019457, now seen corresponding path program 1 times [2023-11-23 21:19:55,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:19:55,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [724520431] [2023-11-23 21:19:55,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:55,973 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 [2023-11-23 21:19:55,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:19:55,975 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:19:55,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31000449-d900-48fb-8bff-abc165414086/bin/utaipan-verify-mE87zJ7Ire/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 (14)] Waiting until timeout for monitored process [2023-11-23 21:19:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:56,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 21:19:56,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:19:56,639 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:19:56,640 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 172 treesize of output 64