./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/ofuf_5.c --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_e3b420c1-e172-4a74-8915-a3c82313ec2e/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b420c1-e172-4a74-8915-a3c82313ec2e/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_e3b420c1-e172-4a74-8915-a3c82313ec2e/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b420c1-e172-4a74-8915-a3c82313ec2e/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/ofuf_5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b420c1-e172-4a74-8915-a3c82313ec2e/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_e3b420c1-e172-4a74-8915-a3c82313ec2e/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 dbf8943cb9f9a3b213e9817cc53efcf4d89e0e525f47b2351825c8c29bc65e71 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:56:04,750 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:56:04,874 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b420c1-e172-4a74-8915-a3c82313ec2e/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:56:04,884 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:56:04,886 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:56:04,920 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:56:04,920 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:56:04,921 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:56:04,921 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:56:04,922 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:56:04,922 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:56:04,923 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:56:04,923 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:56:04,923 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:56:04,924 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:56:04,924 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:56:04,925 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:56:04,925 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:56:04,925 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:56:04,926 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:56:04,926 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:56:04,927 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:56:04,928 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:56:04,928 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:56:04,929 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:56:04,929 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:56:04,929 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:56:04,930 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:56:04,930 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:56:04,930 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:56:04,931 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:56:04,931 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:56:04,931 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:56:04,932 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:56:04,932 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:56:04,933 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:56:04,933 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:56:04,933 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:56:04,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:56:04,934 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:56:04,935 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:56:04,935 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:56:04,936 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:56:04,936 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:56:04,936 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:56:04,936 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:56:04,937 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:56:04,937 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_e3b420c1-e172-4a74-8915-a3c82313ec2e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b420c1-e172-4a74-8915-a3c82313ec2e/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbf8943cb9f9a3b213e9817cc53efcf4d89e0e525f47b2351825c8c29bc65e71 [2024-11-09 05:56:05,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:56:05,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:56:05,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:56:05,323 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:56:05,324 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:56:05,325 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b420c1-e172-4a74-8915-a3c82313ec2e/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/loop-industry-pattern/ofuf_5.c Unable to find full path for "g++" [2024-11-09 05:56:07,945 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:56:08,357 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:56:08,358 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b420c1-e172-4a74-8915-a3c82313ec2e/sv-benchmarks/c/loop-industry-pattern/ofuf_5.c [2024-11-09 05:56:08,375 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b420c1-e172-4a74-8915-a3c82313ec2e/bin/utaipan-verify-YMUCfTKeje/data/61edb3333/7088e1395a1a442dbf8e8625ce82fc1e/FLAG8b79c02f2 [2024-11-09 05:56:08,399 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b420c1-e172-4a74-8915-a3c82313ec2e/bin/utaipan-verify-YMUCfTKeje/data/61edb3333/7088e1395a1a442dbf8e8625ce82fc1e [2024-11-09 05:56:08,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:56:08,406 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:56:08,409 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:56:08,409 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:56:08,417 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:56:08,419 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:56:08" (1/1) ... [2024-11-09 05:56:08,420 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78edd3b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:56:08, skipping insertion in model container [2024-11-09 05:56:08,421 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:56:08" (1/1) ... [2024-11-09 05:56:08,479 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:56:08,913 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_e3b420c1-e172-4a74-8915-a3c82313ec2e/sv-benchmarks/c/loop-industry-pattern/ofuf_5.c[11314,11327] [2024-11-09 05:56:08,918 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:56:08,933 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:56:09,046 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_e3b420c1-e172-4a74-8915-a3c82313ec2e/sv-benchmarks/c/loop-industry-pattern/ofuf_5.c[11314,11327] [2024-11-09 05:56:09,047 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:56:09,078 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:56:09,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:56:09 WrapperNode [2024-11-09 05:56:09,079 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:56:09,080 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:56:09,080 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:56:09,080 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:56:09,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:56:09" (1/1) ... [2024-11-09 05:56:09,118 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:56:09" (1/1) ... [2024-11-09 05:56:09,184 INFO L138 Inliner]: procedures = 29, calls = 157, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 451 [2024-11-09 05:56:09,185 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:56:09,186 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:56:09,186 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:56:09,186 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:56:09,207 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:56:09" (1/1) ... [2024-11-09 05:56:09,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:56:09" (1/1) ... [2024-11-09 05:56:09,220 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:56:09" (1/1) ... [2024-11-09 05:56:09,221 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:56:09" (1/1) ... [2024-11-09 05:56:09,242 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:56:09" (1/1) ... [2024-11-09 05:56:09,249 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:56:09" (1/1) ... [2024-11-09 05:56:09,254 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:56:09" (1/1) ... [2024-11-09 05:56:09,257 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:56:09" (1/1) ... [2024-11-09 05:56:09,264 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:56:09,265 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:56:09,266 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:56:09,266 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:56:09,267 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:56:09" (1/1) ... [2024-11-09 05:56:09,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:56:09,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b420c1-e172-4a74-8915-a3c82313ec2e/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:56:09,343 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b420c1-e172-4a74-8915-a3c82313ec2e/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:56:09,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b420c1-e172-4a74-8915-a3c82313ec2e/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:56:09,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 05:56:09,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:56:09,389 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2024-11-09 05:56:09,390 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2024-11-09 05:56:09,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 05:56:09,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 05:56:09,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 05:56:09,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 05:56:09,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 05:56:09,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:56:09,391 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2024-11-09 05:56:09,392 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2024-11-09 05:56:09,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 05:56:09,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:56:09,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:56:09,393 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2024-11-09 05:56:09,393 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2024-11-09 05:56:09,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 05:56:09,582 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:56:09,585 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:56:10,662 INFO L? ?]: Removed 159 outVars from TransFormulas that were not future-live. [2024-11-09 05:56:10,662 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:56:10,947 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:56:10,948 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 05:56:10,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:56:10 BoogieIcfgContainer [2024-11-09 05:56:10,948 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:56:10,956 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:56:10,956 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:56:10,961 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:56:10,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:56:08" (1/3) ... [2024-11-09 05:56:10,962 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2877c893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:56:10, skipping insertion in model container [2024-11-09 05:56:10,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:56:09" (2/3) ... [2024-11-09 05:56:10,963 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2877c893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:56:10, skipping insertion in model container [2024-11-09 05:56:10,963 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:56:10" (3/3) ... [2024-11-09 05:56:10,967 INFO L112 eAbstractionObserver]: Analyzing ICFG ofuf_5.c [2024-11-09 05:56:10,991 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:56:10,991 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:56:11,089 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:56:11,099 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;@7dfe84df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:56:11,100 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:56:11,105 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 55 states have (on average 1.6) internal successors, (88), 56 states have internal predecessors, (88), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 05:56:11,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 05:56:11,116 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:56:11,117 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:56:11,117 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:56:11,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:56:11,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1925187367, now seen corresponding path program 1 times [2024-11-09 05:56:11,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:56:11,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037409261] [2024-11-09 05:56:11,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:56:11,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:56:11,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:56:11,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:56:11,921 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:56:11,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037409261] [2024-11-09 05:56:11,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037409261] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:56:11,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:56:11,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:56:11,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662999536] [2024-11-09 05:56:11,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:56:11,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:56:11,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:56:11,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:56:11,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:56:11,976 INFO L87 Difference]: Start difference. First operand has 68 states, 55 states have (on average 1.6) internal successors, (88), 56 states have internal predecessors, (88), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 05:56:12,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:56:12,080 INFO L93 Difference]: Finished difference Result 129 states and 203 transitions. [2024-11-09 05:56:12,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:56:12,084 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2024-11-09 05:56:12,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:56:12,091 INFO L225 Difference]: With dead ends: 129 [2024-11-09 05:56:12,091 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 05:56:12,098 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:56:12,103 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 0 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:56:12,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 177 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:56:12,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 05:56:12,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 05:56:12,137 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 05:56:12,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 05:56:12,139 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2024-11-09 05:56:12,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:56:12,140 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 05:56:12,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 05:56:12,141 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 05:56:12,141 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 05:56:12,144 INFO L782 garLoopResultBuilder]: Registering result SAFE for location Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 05:56:12,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:56:12,149 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 05:56:12,153 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 05:56:12,196 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:56:12,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:56:12 BoogieIcfgContainer [2024-11-09 05:56:12,267 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:56:12,268 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:56:12,268 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:56:12,268 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:56:12,275 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:56:10" (3/4) ... [2024-11-09 05:56:12,282 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 05:56:12,291 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_89 [2024-11-09 05:56:12,292 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure avoid_zero [2024-11-09 05:56:12,292 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_95 [2024-11-09 05:56:12,314 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 82 nodes and edges [2024-11-09 05:56:12,317 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2024-11-09 05:56:12,321 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-09 05:56:12,322 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 05:56:12,323 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 05:56:12,324 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 05:56:12,576 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b420c1-e172-4a74-8915-a3c82313ec2e/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 05:56:12,579 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b420c1-e172-4a74-8915-a3c82313ec2e/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 05:56:12,579 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:56:12,581 INFO L158 Benchmark]: Toolchain (without parser) took 4174.15ms. Allocated memory was 165.7MB in the beginning and 224.4MB in the end (delta: 58.7MB). Free memory was 129.1MB in the beginning and 177.9MB in the end (delta: -48.9MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-11-09 05:56:12,582 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 104.9MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:56:12,582 INFO L158 Benchmark]: CACSL2BoogieTranslator took 669.93ms. Allocated memory is still 165.7MB. Free memory was 129.1MB in the beginning and 108.6MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-09 05:56:12,583 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.43ms. Allocated memory is still 165.7MB. Free memory was 108.6MB in the beginning and 104.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 05:56:12,583 INFO L158 Benchmark]: Boogie Preprocessor took 78.74ms. Allocated memory is still 165.7MB. Free memory was 104.9MB in the beginning and 101.7MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:56:12,585 INFO L158 Benchmark]: RCFGBuilder took 1683.04ms. Allocated memory was 165.7MB in the beginning and 224.4MB in the end (delta: 58.7MB). Free memory was 101.2MB in the beginning and 144.4MB in the end (delta: -43.2MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2024-11-09 05:56:12,586 INFO L158 Benchmark]: TraceAbstraction took 1311.25ms. Allocated memory is still 224.4MB. Free memory was 144.4MB in the beginning and 189.4MB in the end (delta: -45.0MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2024-11-09 05:56:12,586 INFO L158 Benchmark]: Witness Printer took 311.94ms. Allocated memory is still 224.4MB. Free memory was 189.4MB in the beginning and 177.9MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 05:56:12,588 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 104.9MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 669.93ms. Allocated memory is still 165.7MB. Free memory was 129.1MB in the beginning and 108.6MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.43ms. Allocated memory is still 165.7MB. Free memory was 108.6MB in the beginning and 104.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.74ms. Allocated memory is still 165.7MB. Free memory was 104.9MB in the beginning and 101.7MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1683.04ms. Allocated memory was 165.7MB in the beginning and 224.4MB in the end (delta: 58.7MB). Free memory was 101.2MB in the beginning and 144.4MB in the end (delta: -43.2MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1311.25ms. Allocated memory is still 224.4MB. Free memory was 144.4MB in the beginning and 189.4MB in the end (delta: -45.0MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Witness Printer took 311.94ms. Allocated memory is still 224.4MB. Free memory was 189.4MB in the beginning and 177.9MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 463]: 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 4 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 177 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 88 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 89 mSDtfsCounter, 20 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred in iteration=0, InterpolantAutomatonStates: 3, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 193]: Procedure Contract for Id_MCDC_89 Derived contract for procedure Id_MCDC_89. Ensures: (((((((((((Id_MCDC_104 == \old(Id_MCDC_104)) && (Id_MCDC_105 == \old(Id_MCDC_105))) && (Id_MCDC_106 == \old(Id_MCDC_106))) && (Id_MCDC_107 == \old(Id_MCDC_107))) && (Id_MCDC_108 == \old(Id_MCDC_108))) && (Id_MCDC_109 == \old(Id_MCDC_109))) && (Id_MCDC_110 == \old(Id_MCDC_110))) && (Id_MCDC_111 == \old(Id_MCDC_111))) && (Id_MCDC_112 == \old(Id_MCDC_112))) && (Id_MCDC_113 == \old(Id_MCDC_113))) && (Id_MCDC_114 == \old(Id_MCDC_114))) - ProcedureContractResult [Line: 9]: Procedure Contract for avoid_zero Derived contract for procedure avoid_zero. Ensures: (((((((((((Id_MCDC_104 == \old(Id_MCDC_104)) && (Id_MCDC_105 == \old(Id_MCDC_105))) && (Id_MCDC_106 == \old(Id_MCDC_106))) && (Id_MCDC_107 == \old(Id_MCDC_107))) && (Id_MCDC_108 == \old(Id_MCDC_108))) && (Id_MCDC_109 == \old(Id_MCDC_109))) && (Id_MCDC_110 == \old(Id_MCDC_110))) && (Id_MCDC_111 == \old(Id_MCDC_111))) && (Id_MCDC_112 == \old(Id_MCDC_112))) && (Id_MCDC_113 == \old(Id_MCDC_113))) && (Id_MCDC_114 == \old(Id_MCDC_114))) - ProcedureContractResult [Line: 280]: Procedure Contract for Id_MCDC_95 Derived contract for procedure Id_MCDC_95. Ensures: (((((((((((Id_MCDC_104 == \old(Id_MCDC_104)) && (Id_MCDC_105 == \old(Id_MCDC_105))) && (Id_MCDC_106 == \old(Id_MCDC_106))) && (Id_MCDC_107 == \old(Id_MCDC_107))) && (Id_MCDC_108 == \old(Id_MCDC_108))) && (Id_MCDC_109 == \old(Id_MCDC_109))) && (Id_MCDC_110 == \old(Id_MCDC_110))) && (Id_MCDC_111 == \old(Id_MCDC_111))) && (Id_MCDC_112 == \old(Id_MCDC_112))) && (Id_MCDC_113 == \old(Id_MCDC_113))) && (Id_MCDC_114 == \old(Id_MCDC_114))) RESULT: Ultimate proved your program to be correct! [2024-11-09 05:56:12,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b420c1-e172-4a74-8915-a3c82313ec2e/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE