./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-76.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5eccc03-d804-4b6c-9046-bce48062673f/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5eccc03-d804-4b6c-9046-bce48062673f/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5eccc03-d804-4b6c-9046-bce48062673f/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5eccc03-d804-4b6c-9046-bce48062673f/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-76.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5eccc03-d804-4b6c-9046-bce48062673f/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5eccc03-d804-4b6c-9046-bce48062673f/bin/utaipan-verify-YMUCfTKeje --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 dd98e02a958c2e630fe387017d194cc2d0adeeb7f7dbaa6eeae7739b76f0d917 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:29:41,028 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:29:41,118 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5eccc03-d804-4b6c-9046-bce48062673f/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 04:29:41,124 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:29:41,126 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:29:41,164 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:29:41,165 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:29:41,165 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:29:41,166 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:29:41,170 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:29:41,171 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:29:41,171 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:29:41,171 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:29:41,171 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:29:41,172 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:29:41,172 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:29:41,172 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:29:41,172 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:29:41,173 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:29:41,173 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:29:41,173 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:29:41,175 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:29:41,176 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:29:41,177 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:29:41,177 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:29:41,189 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:29:41,189 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:29:41,189 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:29:41,189 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:29:41,190 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:29:41,190 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:29:41,190 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:29:41,190 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:29:41,190 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:29:41,191 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:29:41,191 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:29:41,191 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:29:41,191 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:29:41,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:29:41,193 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:29:41,193 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:29:41,193 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:29:41,193 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:29:41,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:29:41,194 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:29:41,195 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:29:41,195 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:29:41,195 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_b5eccc03-d804-4b6c-9046-bce48062673f/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5eccc03-d804-4b6c-9046-bce48062673f/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dd98e02a958c2e630fe387017d194cc2d0adeeb7f7dbaa6eeae7739b76f0d917 [2024-11-09 04:29:41,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:29:41,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:29:41,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:29:41,550 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:29:41,552 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:29:41,553 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5eccc03-d804-4b6c-9046-bce48062673f/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-76.i Unable to find full path for "g++" [2024-11-09 04:29:43,890 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:29:44,201 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:29:44,201 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5eccc03-d804-4b6c-9046-bce48062673f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-76.i [2024-11-09 04:29:44,216 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5eccc03-d804-4b6c-9046-bce48062673f/bin/utaipan-verify-YMUCfTKeje/data/9aed17e2b/25ed9140ca6f456697bf1e5c91668103/FLAG772b07696 [2024-11-09 04:29:44,497 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5eccc03-d804-4b6c-9046-bce48062673f/bin/utaipan-verify-YMUCfTKeje/data/9aed17e2b/25ed9140ca6f456697bf1e5c91668103 [2024-11-09 04:29:44,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:29:44,503 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:29:44,504 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:29:44,504 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:29:44,514 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:29:44,515 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:29:44" (1/1) ... [2024-11-09 04:29:44,516 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f7649de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:44, skipping insertion in model container [2024-11-09 04:29:44,517 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:29:44" (1/1) ... [2024-11-09 04:29:44,552 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:29:44,791 WARN L250 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_b5eccc03-d804-4b6c-9046-bce48062673f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-76.i[916,929] [2024-11-09 04:29:44,882 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:29:44,904 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:29:44,918 WARN L250 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_b5eccc03-d804-4b6c-9046-bce48062673f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-76.i[916,929] [2024-11-09 04:29:44,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:29:45,002 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:29:45,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:45 WrapperNode [2024-11-09 04:29:45,003 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:29:45,004 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:29:45,005 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:29:45,005 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:29:45,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:45" (1/1) ... [2024-11-09 04:29:45,040 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:45" (1/1) ... [2024-11-09 04:29:45,117 INFO L138 Inliner]: procedures = 29, calls = 138, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 417 [2024-11-09 04:29:45,117 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:29:45,118 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:29:45,118 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:29:45,119 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:29:45,137 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:45" (1/1) ... [2024-11-09 04:29:45,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:45" (1/1) ... [2024-11-09 04:29:45,147 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:45" (1/1) ... [2024-11-09 04:29:45,152 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:45" (1/1) ... [2024-11-09 04:29:45,183 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:45" (1/1) ... [2024-11-09 04:29:45,188 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:45" (1/1) ... [2024-11-09 04:29:45,192 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:45" (1/1) ... [2024-11-09 04:29:45,197 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:45" (1/1) ... [2024-11-09 04:29:45,205 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:29:45,211 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:29:45,212 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:29:45,212 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:29:45,213 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:45" (1/1) ... [2024-11-09 04:29:45,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:29:45,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5eccc03-d804-4b6c-9046-bce48062673f/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:29:45,260 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5eccc03-d804-4b6c-9046-bce48062673f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:29:45,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5eccc03-d804-4b6c-9046-bce48062673f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:29:45,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:29:45,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-09 04:29:45,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 04:29:45,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-09 04:29:45,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 04:29:45,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-09 04:29:45,307 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:29:45,307 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:29:45,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:29:45,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:29:45,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:29:45,453 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:29:45,457 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:29:46,021 INFO L? ?]: Removed 93 outVars from TransFormulas that were not future-live. [2024-11-09 04:29:46,021 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:29:46,542 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:29:46,543 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:29:46,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:29:46 BoogieIcfgContainer [2024-11-09 04:29:46,543 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:29:46,547 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:29:46,547 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:29:46,551 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:29:46,552 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:29:44" (1/3) ... [2024-11-09 04:29:46,553 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a2926c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:29:46, skipping insertion in model container [2024-11-09 04:29:46,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:45" (2/3) ... [2024-11-09 04:29:46,553 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a2926c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:29:46, skipping insertion in model container [2024-11-09 04:29:46,554 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:29:46" (3/3) ... [2024-11-09 04:29:46,555 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-76.i [2024-11-09 04:29:46,586 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:29:46,586 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:29:46,717 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:29:46,727 INFO L333 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, 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;@79ce38aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:29:46,727 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:29:46,733 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 04:29:46,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-09 04:29:46,747 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:29:46,748 INFO L215 NwaCegarLoop]: trace histogram [15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:29:46,749 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:29:46,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:29:46,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1552584077, now seen corresponding path program 1 times [2024-11-09 04:29:46,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:29:46,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456112839] [2024-11-09 04:29:46,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:29:46,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:29:48,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:29:56,119 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-09 04:29:56,120 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:29:56,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456112839] [2024-11-09 04:29:56,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456112839] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:29:56,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1721963582] [2024-11-09 04:29:56,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:29:56,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:29:56,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5eccc03-d804-4b6c-9046-bce48062673f/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:29:56,125 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5eccc03-d804-4b6c-9046-bce48062673f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:29:56,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5eccc03-d804-4b6c-9046-bce48062673f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 04:29:56,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:29:56,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-11-09 04:29:56,539 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:29:56,906 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 04:29:57,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 04:29:57,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:29:57,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 04:29:57,385 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:29:57,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 04:29:57,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:29:57,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 04:29:57,946 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-09 04:29:58,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 04:29:58,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:29:58,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 04:29:58,448 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:30:01,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 04:30:01,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 04:30:01,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 04:30:01,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 04:30:01,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 04:30:01,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 192 [2024-11-09 04:30:02,401 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 58 proven. 70 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-09 04:30:02,401 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:30:06,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2024-11-09 04:30:06,630 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2024-11-09 04:30:11,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2024-11-09 04:30:11,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2024-11-09 04:30:12,770 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2024-11-09 04:30:13,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2024-11-09 04:30:14,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1721963582] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:30:14,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [545888177] [2024-11-09 04:30:14,723 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2024-11-09 04:30:14,723 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 04:30:14,729 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 04:30:14,737 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 04:30:14,738 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 04:30:24,248 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 35 for LOIs [2024-11-09 04:30:24,254 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 04:30:54,844 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '262#(and (<= 1 |#StackHeapBarrier|) (= 8 |~#unsigned_char_Array_0~0.base|) (= |~#signed_char_Array_0~0.offset| 0) (= (+ ~last_1_signed_char_Array_0_1__0_~0 4) 0) (= |~#signed_long_int_Array_0~0.base| 7) (= |~#unsigned_char_Array_0~0.offset| 0) (= 6 |~#signed_char_Array_0~0.base|) (= |~#double_Array_0~0.offset| 0) (= ~isInitial~0 1) (= |~#double_Array_0~0.base| 5) (= |~#BOOL_unsigned_char_Array_0~0.base| 4) (= |~#signed_long_int_Array_0~0.offset| 0) (= |~#BOOL_unsigned_char_Array_0~0.offset| 0))' at error location [2024-11-09 04:30:54,844 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 04:30:54,844 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 04:30:54,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 15 [2024-11-09 04:30:54,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111522521] [2024-11-09 04:30:54,848 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 04:30:54,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 04:30:54,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:30:54,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 04:30:54,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=1647, Unknown=8, NotChecked=0, Total=1980 [2024-11-09 04:30:54,887 INFO L87 Difference]: Start difference. First operand has 39 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 15 states, 10 states have (on average 4.3) internal successors, (43), 15 states have internal predecessors, (43), 9 states have call successors, (30), 4 states have call predecessors, (30), 6 states have return successors, (30), 6 states have call predecessors, (30), 9 states have call successors, (30) [2024-11-09 04:30:55,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:30:55,984 INFO L93 Difference]: Finished difference Result 78 states and 108 transitions. [2024-11-09 04:30:55,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 04:30:55,987 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 10 states have (on average 4.3) internal successors, (43), 15 states have internal predecessors, (43), 9 states have call successors, (30), 4 states have call predecessors, (30), 6 states have return successors, (30), 6 states have call predecessors, (30), 9 states have call successors, (30) Word has length 64 [2024-11-09 04:30:55,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:30:55,991 INFO L225 Difference]: With dead ends: 78 [2024-11-09 04:30:55,991 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 04:30:55,994 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 107 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 847 ImplicationChecksByTransitivity, 32.4s TimeCoverageRelationStatistics Valid=465, Invalid=2283, Unknown=8, NotChecked=0, Total=2756 [2024-11-09 04:30:55,997 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 11 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 04:30:55,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 36 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 04:30:56,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 04:30:56,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 04:30:56,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:30:56,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 04:30:56,025 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2024-11-09 04:30:56,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:30:56,026 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 04:30:56,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 10 states have (on average 4.3) internal successors, (43), 15 states have internal predecessors, (43), 9 states have call successors, (30), 4 states have call predecessors, (30), 6 states have return successors, (30), 6 states have call predecessors, (30), 9 states have call successors, (30) [2024-11-09 04:30:56,026 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 04:30:56,026 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 04:30:56,029 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 04:30:56,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5eccc03-d804-4b6c-9046-bce48062673f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 04:30:56,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5eccc03-d804-4b6c-9046-bce48062673f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 04:30:56,233 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 04:30:56,235 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 04:30:56,825 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 04:30:56,838 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!offset [2024-11-09 04:30:56,841 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#signed_long_int_Array_0~0!base [2024-11-09 04:30:56,842 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#double_Array_0~0!base [2024-11-09 04:30:56,842 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#double_Array_0~0!base [2024-11-09 04:30:56,842 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#BOOL_unsigned_char_Array_0~0!base [2024-11-09 04:30:56,843 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!base [2024-11-09 04:30:56,843 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 04:30:56,843 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 04:30:56,843 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#BOOL_unsigned_char_Array_0~0!base,GLOBAL]]] [2024-11-09 04:30:56,844 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#BOOL_unsigned_char_Array_0~0!offset [2024-11-09 04:30:56,844 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#unsigned_char_Array_0~0!base [2024-11-09 04:30:56,851 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!offset [2024-11-09 04:30:56,852 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#signed_long_int_Array_0~0!base [2024-11-09 04:30:56,852 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#double_Array_0~0!base [2024-11-09 04:30:56,852 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#double_Array_0~0!base [2024-11-09 04:30:56,852 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#BOOL_unsigned_char_Array_0~0!base [2024-11-09 04:30:56,853 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!base [2024-11-09 04:30:56,853 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#BOOL_unsigned_char_Array_0~0!offset [2024-11-09 04:30:56,853 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#unsigned_char_Array_0~0!base [2024-11-09 04:30:56,853 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!offset [2024-11-09 04:30:56,853 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#signed_long_int_Array_0~0!base [2024-11-09 04:30:56,854 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#double_Array_0~0!base [2024-11-09 04:30:56,855 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#double_Array_0~0!base [2024-11-09 04:30:56,855 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#BOOL_unsigned_char_Array_0~0!base [2024-11-09 04:30:56,855 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!base [2024-11-09 04:30:56,855 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#BOOL_unsigned_char_Array_0~0!offset [2024-11-09 04:30:56,856 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#unsigned_char_Array_0~0!base [2024-11-09 04:30:56,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:30:56 BoogieIcfgContainer [2024-11-09 04:30:56,862 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 04:30:56,863 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 04:30:56,863 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 04:30:56,863 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 04:30:56,864 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:29:46" (3/4) ... [2024-11-09 04:30:56,867 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 04:30:56,874 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-09 04:30:56,893 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 70 nodes and edges [2024-11-09 04:30:56,894 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-09 04:30:56,895 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 04:30:56,896 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 04:30:57,072 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5eccc03-d804-4b6c-9046-bce48062673f/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 04:30:57,073 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5eccc03-d804-4b6c-9046-bce48062673f/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 04:30:57,073 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 04:30:57,074 INFO L158 Benchmark]: Toolchain (without parser) took 72571.11ms. Allocated memory was 123.7MB in the beginning and 708.8MB in the end (delta: 585.1MB). Free memory was 93.1MB in the beginning and 518.9MB in the end (delta: -425.9MB). Peak memory consumption was 161.7MB. Max. memory is 16.1GB. [2024-11-09 04:30:57,074 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 123.7MB. Free memory is still 95.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:30:57,076 INFO L158 Benchmark]: CACSL2BoogieTranslator took 499.13ms. Allocated memory is still 123.7MB. Free memory was 92.7MB in the beginning and 76.3MB in the end (delta: 16.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 04:30:57,076 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.45ms. Allocated memory is still 123.7MB. Free memory was 76.3MB in the beginning and 72.7MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:30:57,076 INFO L158 Benchmark]: Boogie Preprocessor took 89.02ms. Allocated memory is still 123.7MB. Free memory was 72.7MB in the beginning and 69.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 04:30:57,077 INFO L158 Benchmark]: RCFGBuilder took 1332.63ms. Allocated memory is still 123.7MB. Free memory was 69.3MB in the beginning and 72.5MB in the end (delta: -3.2MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2024-11-09 04:30:57,077 INFO L158 Benchmark]: TraceAbstraction took 70315.12ms. Allocated memory was 123.7MB in the beginning and 708.8MB in the end (delta: 585.1MB). Free memory was 71.8MB in the beginning and 529.4MB in the end (delta: -457.6MB). Peak memory consumption was 126.8MB. Max. memory is 16.1GB. [2024-11-09 04:30:57,077 INFO L158 Benchmark]: Witness Printer took 210.23ms. Allocated memory is still 708.8MB. Free memory was 529.4MB in the beginning and 518.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 04:30:57,082 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 123.7MB. Free memory is still 95.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 499.13ms. Allocated memory is still 123.7MB. Free memory was 92.7MB in the beginning and 76.3MB in the end (delta: 16.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.45ms. Allocated memory is still 123.7MB. Free memory was 76.3MB in the beginning and 72.7MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.02ms. Allocated memory is still 123.7MB. Free memory was 72.7MB in the beginning and 69.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1332.63ms. Allocated memory is still 123.7MB. Free memory was 69.3MB in the beginning and 72.5MB in the end (delta: -3.2MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. * TraceAbstraction took 70315.12ms. Allocated memory was 123.7MB in the beginning and 708.8MB in the end (delta: 585.1MB). Free memory was 71.8MB in the beginning and 529.4MB in the end (delta: -457.6MB). Peak memory consumption was 126.8MB. Max. memory is 16.1GB. * Witness Printer took 210.23ms. Allocated memory is still 708.8MB. Free memory was 529.4MB in the beginning and 518.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#signed_long_int_Array_0~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#double_Array_0~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#double_Array_0~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#BOOL_unsigned_char_Array_0~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#BOOL_unsigned_char_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#BOOL_unsigned_char_Array_0~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#unsigned_char_Array_0~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#signed_long_int_Array_0~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#double_Array_0~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#double_Array_0~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#BOOL_unsigned_char_Array_0~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#BOOL_unsigned_char_Array_0~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#unsigned_char_Array_0~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#signed_long_int_Array_0~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#double_Array_0~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#double_Array_0~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#BOOL_unsigned_char_Array_0~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#BOOL_unsigned_char_Array_0~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#unsigned_char_Array_0~0!base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 69.6s, OverallIterations: 1, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 333 IncrementalHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 16 mSDtfsCounter, 333 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 160 GetRequests, 107 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 847 ImplicationChecksByTransitivity, 32.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 26.0s InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 126 ConstructedInterpolants, 0 QuantifiedInterpolants, 2904 SizeOfPredicates, 14 NumberOfNonLiveVariables, 334 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 2 InterpolantComputations, 0 PerfectInterpolantSequences, 328/420 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((cond != 0) && (((((((isInitial == \old(isInitial)) && (BOOL_unsigned_char_Array_0 == \old(BOOL_unsigned_char_Array_0))) && (double_Array_0 == \old(double_Array_0))) && (signed_char_Array_0 == \old(signed_char_Array_0))) && (signed_long_int_Array_0 == \old(signed_long_int_Array_0))) && (unsigned_char_Array_0 == \old(unsigned_char_Array_0))) && (last_1_signed_char_Array_0_1__0_ == \old(last_1_signed_char_Array_0_1__0_)))) RESULT: Ultimate proved your program to be correct! [2024-11-09 04:30:57,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5eccc03-d804-4b6c-9046-bce48062673f/bin/utaipan-verify-YMUCfTKeje/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 Writing output log to file Ultimate.log Result: TRUE