./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-51.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_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-51.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4d0d9346d03692e5aa17dc110f0097921008598edde0d474bc7067d212c257c2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:03:34,127 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:03:34,200 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 01:03:34,206 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:03:34,209 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 01:03:34,252 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:03:34,253 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:03:34,254 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 01:03:34,255 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 01:03:34,256 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 01:03:34,257 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:03:34,257 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:03:34,257 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:03:34,258 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:03:34,258 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:03:34,260 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:03:34,260 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:03:34,261 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:03:34,261 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:03:34,261 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:03:34,262 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:03:34,266 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:03:34,266 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:03:34,266 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 01:03:34,267 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 01:03:34,267 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 01:03:34,267 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:03:34,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 01:03:34,268 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:03:34,268 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:03:34,268 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:03:34,268 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 01:03:34,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:03:34,281 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d0d9346d03692e5aa17dc110f0097921008598edde0d474bc7067d212c257c2 [2024-11-09 01:03:34,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:03:34,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:03:34,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:03:34,616 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:03:34,617 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:03:34,618 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-51.i Unable to find full path for "g++" [2024-11-09 01:03:36,463 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:03:36,671 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:03:36,673 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-51.i [2024-11-09 01:03:36,684 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk/data/89895473d/a73abc2d1e04425a8d8b49aaf78f7b3a/FLAG916dce512 [2024-11-09 01:03:36,700 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk/data/89895473d/a73abc2d1e04425a8d8b49aaf78f7b3a [2024-11-09 01:03:36,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:03:36,705 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:03:36,706 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:03:36,706 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:03:36,712 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:03:36,713 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:03:36" (1/1) ... [2024-11-09 01:03:36,714 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bfa4ebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:36, skipping insertion in model container [2024-11-09 01:03:36,715 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:03:36" (1/1) ... [2024-11-09 01:03:36,741 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:03:36,942 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_938f4592-c4df-4f8e-9d7c-210715eb0bcc/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-51.i[915,928] [2024-11-09 01:03:36,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:03:37,003 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:03:37,017 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_938f4592-c4df-4f8e-9d7c-210715eb0bcc/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-51.i[915,928] [2024-11-09 01:03:37,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:03:37,070 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:03:37,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:37 WrapperNode [2024-11-09 01:03:37,071 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:03:37,073 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:03:37,073 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:03:37,073 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:03:37,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:37" (1/1) ... [2024-11-09 01:03:37,092 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:37" (1/1) ... [2024-11-09 01:03:37,122 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 98 [2024-11-09 01:03:37,123 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:03:37,124 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:03:37,124 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:03:37,124 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:03:37,135 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:37" (1/1) ... [2024-11-09 01:03:37,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:37" (1/1) ... [2024-11-09 01:03:37,138 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:37" (1/1) ... [2024-11-09 01:03:37,138 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:37" (1/1) ... [2024-11-09 01:03:37,144 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:37" (1/1) ... [2024-11-09 01:03:37,147 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:37" (1/1) ... [2024-11-09 01:03:37,149 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:37" (1/1) ... [2024-11-09 01:03:37,150 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:37" (1/1) ... [2024-11-09 01:03:37,153 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:03:37,154 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:03:37,154 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:03:37,154 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:03:37,155 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:37" (1/1) ... [2024-11-09 01:03:37,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 01:03:37,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 01:03:37,189 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 01:03:37,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 01:03:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:03:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 01:03:37,220 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 01:03:37,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 01:03:37,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:03:37,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:03:37,301 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:03:37,307 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:03:37,676 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-09 01:03:37,677 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:03:37,827 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:03:37,827 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 01:03:37,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:03:37 BoogieIcfgContainer [2024-11-09 01:03:37,828 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:03:37,829 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 01:03:37,829 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 01:03:37,839 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 01:03:37,840 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:03:37" (1/1) ... [2024-11-09 01:03:37,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:03:37,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:03:37,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2024-11-09 01:03:37,917 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2024-11-09 01:03:37,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-09 01:03:37,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:03:37,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:03:38,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:03:38,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:03:38,341 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:03:38,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:03:38,479 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 01:03:38,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 01:03:38 ImpRootNode [2024-11-09 01:03:38,563 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 01:03:38,564 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:03:38,564 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:03:38,564 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:03:38,565 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:03:37" (3/4) ... [2024-11-09 01:03:38,568 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 01:03:38,569 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:03:38,570 INFO L158 Benchmark]: Toolchain (without parser) took 1865.25ms. Allocated memory is still 167.8MB. Free memory was 138.3MB in the beginning and 89.7MB in the end (delta: 48.6MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2024-11-09 01:03:38,571 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 123.7MB. Free memory was 96.4MB in the beginning and 96.2MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:03:38,571 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.68ms. Allocated memory is still 167.8MB. Free memory was 138.1MB in the beginning and 127.8MB in the end (delta: 10.4MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2024-11-09 01:03:38,572 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.62ms. Allocated memory is still 167.8MB. Free memory was 127.8MB in the beginning and 125.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:03:38,573 INFO L158 Benchmark]: Boogie Preprocessor took 29.15ms. Allocated memory is still 167.8MB. Free memory was 125.8MB in the beginning and 124.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:03:38,574 INFO L158 Benchmark]: RCFGBuilder took 674.22ms. Allocated memory is still 167.8MB. Free memory was 124.5MB in the beginning and 117.0MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 01:03:38,574 INFO L158 Benchmark]: CodeCheck took 734.29ms. Allocated memory is still 167.8MB. Free memory was 117.0MB in the beginning and 90.6MB in the end (delta: 26.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-09 01:03:38,575 INFO L158 Benchmark]: Witness Printer took 5.34ms. Allocated memory is still 167.8MB. Free memory was 90.6MB in the beginning and 89.7MB in the end (delta: 899.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:03:38,578 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 46, overapproximation of someUnaryDOUBLEoperation at line 46. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 10.8; [L23] unsigned char var_1_2 = 0; [L24] signed short int var_1_5 = -16; [L25] double var_1_6 = 100.01; [L26] unsigned short int var_1_7 = 50; [L27] signed short int var_1_8 = 5; [L28] unsigned short int var_1_9 = 256; [L29] signed long int var_1_10 = -100; [L30] unsigned long int var_1_12 = 10000000; [L31] unsigned short int var_1_13 = 2; [L32] unsigned short int var_1_14 = 4; [L33] double var_1_15 = 4.5; [L89] isInitial = 1 [L90] FCALL initially() [L91] int k_loop; [L92] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-16, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L92] COND FALSE !(k_loop < 1) VAL [isInitial=1, k_loop=0, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-16, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L92] COND TRUE k_loop < 1 [L93] FCALL updateLastVariables() [L94] CALL updateVariables() [L63] var_1_2 = __VERIFIER_nondet_uchar() [L64] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_5=-16, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_5=-16, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L65] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-16, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-16, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L66] var_1_5 = __VERIFIER_nondet_short() [L67] CALL assume_abort_if_not(var_1_5 >= -32768) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_5 >= -32768) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L68] CALL assume_abort_if_not(var_1_5 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_5 <= 32767) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L69] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L70] var_1_6 = __VERIFIER_nondet_double() [L71] CALL assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_7=50, var_1_8=5, var_1_9=256] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_7=50, var_1_8=5, var_1_9=256] [L72] var_1_8 = __VERIFIER_nondet_short() [L73] CALL assume_abort_if_not(var_1_8 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_7=50, var_1_8=2, var_1_9=256] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_8 >= -32767) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_7=50, var_1_8=2, var_1_9=256] [L74] CALL assume_abort_if_not(var_1_8 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_7=50, var_1_8=2, var_1_9=256] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_8 <= 32767) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_7=50, var_1_8=2, var_1_9=256] [L75] var_1_9 = __VERIFIER_nondet_ushort() [L76] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_7=50, var_1_8=2] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_7=50, var_1_8=2] [L77] CALL assume_abort_if_not(var_1_9 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_7=50, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_9 <= 32767) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_7=50, var_1_8=2, var_1_9=0] [L78] var_1_14 = __VERIFIER_nondet_ushort() [L79] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_7=50, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_7=50, var_1_8=2, var_1_9=0] [L80] CALL assume_abort_if_not(var_1_14 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=0, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_7=50, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_14 <= 65534) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=0, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_7=50, var_1_8=2, var_1_9=0] [L94] RET updateVariables() [L95] CALL step() [L37] COND TRUE ! (var_1_5 >= ((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8)))) [L38] var_1_7 = (var_1_9 + 1) [L40] var_1_12 = var_1_9 [L41] var_1_13 = var_1_14 [L42] var_1_15 = var_1_6 [L43] unsigned long int stepLocal_0 = var_1_12; [L44] COND FALSE !(\read(var_1_2)) [L51] var_1_1 = var_1_6 [L53] unsigned char stepLocal_1 = (var_1_6 * var_1_15) >= var_1_1; [L54] COND TRUE stepLocal_1 || var_1_2 [L55] COND TRUE var_1_6 <= var_1_1 [L56] var_1_10 = var_1_9 [L95] RET step() [L96] CALL, EXPR property() [L85-L86] return (((((var_1_2 ? ((var_1_12 >= (var_1_12 / var_1_5)) ? (var_1_1 == ((double) ((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6))))) : (var_1_1 == ((double) var_1_6))) : (var_1_1 == ((double) var_1_6))) && ((! (var_1_5 >= ((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))))) ? (var_1_7 == ((unsigned short int) (var_1_9 + 1))) : 1)) && ((((var_1_6 * var_1_15) >= var_1_1) || var_1_2) ? ((var_1_6 <= var_1_1) ? (var_1_10 == ((signed long int) var_1_9)) : 1) : (var_1_10 == ((signed long int) -1)))) && (var_1_12 == ((unsigned long int) var_1_9))) && (var_1_13 == ((unsigned short int) var_1_14))) && (var_1_15 == ((double) var_1_6)) ; [L96] RET, EXPR property() [L96] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=2, var_1_1=2, var_1_2=0, var_1_5=1, var_1_6=2, var_1_7=1, var_1_8=2, var_1_9=0] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=2, var_1_1=2, var_1_2=0, var_1_5=1, var_1_6=2, var_1_7=1, var_1_8=2, var_1_9=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 123.7MB. Free memory was 96.4MB in the beginning and 96.2MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.68ms. Allocated memory is still 167.8MB. Free memory was 138.1MB in the beginning and 127.8MB in the end (delta: 10.4MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.62ms. Allocated memory is still 167.8MB. Free memory was 127.8MB in the beginning and 125.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.15ms. Allocated memory is still 167.8MB. Free memory was 125.8MB in the beginning and 124.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 674.22ms. Allocated memory is still 167.8MB. Free memory was 124.5MB in the beginning and 117.0MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 734.29ms. Allocated memory is still 167.8MB. Free memory was 117.0MB in the beginning and 90.6MB in the end (delta: 26.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 5.34ms. Allocated memory is still 167.8MB. Free memory was 90.6MB in the beginning and 89.7MB in the end (delta: 899.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 01:03:38,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-51.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4d0d9346d03692e5aa17dc110f0097921008598edde0d474bc7067d212c257c2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:03:41,051 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:03:41,138 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-09 01:03:41,182 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:03:41,183 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:03:41,184 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 01:03:41,185 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 01:03:41,185 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 01:03:41,186 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:03:41,188 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:03:41,188 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:03:41,189 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:03:41,189 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:03:41,189 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:03:41,190 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:03:41,192 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:03:41,192 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 01:03:41,192 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 01:03:41,193 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:03:41,193 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 01:03:41,193 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:03:41,197 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:03:41,198 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:03:41,198 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 01:03:41,199 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 01:03:41,199 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 01:03:41,199 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 01:03:41,199 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 01:03:41,200 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:03:41,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 01:03:41,200 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:03:41,200 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:03:41,201 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:03:41,201 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 01:03:41,201 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 01:03:41,201 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 01:03:41,202 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d0d9346d03692e5aa17dc110f0097921008598edde0d474bc7067d212c257c2 [2024-11-09 01:03:41,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:03:41,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:03:41,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:03:41,614 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:03:41,615 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:03:41,617 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-51.i Unable to find full path for "g++" [2024-11-09 01:03:43,642 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:03:43,873 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:03:43,875 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-51.i [2024-11-09 01:03:43,887 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk/data/fe4967fe9/ba6459923b634185a7ef59e580a872f1/FLAGbeb5cee2c [2024-11-09 01:03:43,914 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk/data/fe4967fe9/ba6459923b634185a7ef59e580a872f1 [2024-11-09 01:03:43,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:03:43,921 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:03:43,924 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:03:43,924 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:03:43,931 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:03:43,932 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:03:43" (1/1) ... [2024-11-09 01:03:43,933 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7467588b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:43, skipping insertion in model container [2024-11-09 01:03:43,933 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:03:43" (1/1) ... [2024-11-09 01:03:43,967 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:03:44,178 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_938f4592-c4df-4f8e-9d7c-210715eb0bcc/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-51.i[915,928] [2024-11-09 01:03:44,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:03:44,263 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:03:44,277 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_938f4592-c4df-4f8e-9d7c-210715eb0bcc/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-51.i[915,928] [2024-11-09 01:03:44,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:03:44,334 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:03:44,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:44 WrapperNode [2024-11-09 01:03:44,335 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:03:44,336 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:03:44,336 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:03:44,337 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:03:44,344 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:44" (1/1) ... [2024-11-09 01:03:44,361 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:44" (1/1) ... [2024-11-09 01:03:44,394 INFO L138 Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 96 [2024-11-09 01:03:44,394 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:03:44,396 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:03:44,396 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:03:44,396 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:03:44,406 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:44" (1/1) ... [2024-11-09 01:03:44,406 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:44" (1/1) ... [2024-11-09 01:03:44,410 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:44" (1/1) ... [2024-11-09 01:03:44,412 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:44" (1/1) ... [2024-11-09 01:03:44,427 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:44" (1/1) ... [2024-11-09 01:03:44,461 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:44" (1/1) ... [2024-11-09 01:03:44,466 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:44" (1/1) ... [2024-11-09 01:03:44,471 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:44" (1/1) ... [2024-11-09 01:03:44,478 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:03:44,483 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:03:44,484 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:03:44,484 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:03:44,485 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:44" (1/1) ... [2024-11-09 01:03:44,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 01:03:44,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 01:03:44,548 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 01:03:44,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 01:03:44,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:03:44,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 01:03:44,600 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 01:03:44,600 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 01:03:44,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:03:44,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:03:44,718 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:03:44,721 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:03:50,384 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-09 01:03:50,385 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:03:50,528 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:03:50,533 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 01:03:50,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:03:50 BoogieIcfgContainer [2024-11-09 01:03:50,534 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:03:50,534 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 01:03:50,535 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 01:03:50,550 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 01:03:50,550 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:03:50" (1/1) ... [2024-11-09 01:03:50,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:03:50,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:03:50,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2024-11-09 01:03:50,626 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2024-11-09 01:03:50,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-09 01:03:50,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:03:50,633 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:03:50,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:03:50,636 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:03:50,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 01:03:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:03:51,359 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:03:52,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:03:52,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 01:03:52,428 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:12:06,190 WARN L286 SmtUtils]: Spent 5.52s on a formula simplification. DAG size of input: 521 DAG size of output: 615 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 01:13:20,603 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 83 proven. 16 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-09 01:13:20,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 01:13:25,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:13:26,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:13:26,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 52 states and 91 transitions. [2024-11-09 01:13:26,392 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 91 transitions. [2024-11-09 01:13:26,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-09 01:13:26,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:13:26,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:13:26,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:13:26,397 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:13:26,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 01:13:27,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:13:27,411 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:13:27,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:13:27,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 01:13:27,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:13:28,153 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 308 proven. 1 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-09 01:13:28,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-09 01:13:35,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:13:37,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:13:39,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:13:39,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 75 states and 130 transitions. [2024-11-09 01:13:39,589 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 130 transitions. [2024-11-09 01:13:39,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-09 01:13:39,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:13:39,594 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:13:39,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:13:39,598 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:13:39,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 01:13:41,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:13:41,034 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:13:41,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:13:41,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 01:13:41,447 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:13:41,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1324 backedges. 619 proven. 1 refuted. 0 times theorem prover too weak. 704 trivial. 0 not checked. [2024-11-09 01:13:41,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-09 01:13:42,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:13:42,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 29 states and 40 transitions. [2024-11-09 01:13:42,833 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2024-11-09 01:13:42,833 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 01:13:42,834 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2024-11-09 01:13:42,841 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-09 01:13:44,483 INFO L77 FloydHoareUtils]: At program point L64(line 64) the Hoare annotation is: true [2024-11-09 01:13:44,483 INFO L77 FloydHoareUtils]: At program point L64-1(line 64) the Hoare annotation is: true [2024-11-09 01:13:44,483 INFO L77 FloydHoareUtils]: At program point L19(line 19) the Hoare annotation is: true [2024-11-09 01:13:44,483 INFO L77 FloydHoareUtils]: At program point L19-1(line 19) the Hoare annotation is: true [2024-11-09 01:13:44,484 INFO L77 FloydHoareUtils]: At program point L19-3(line 19) the Hoare annotation is: true [2024-11-09 01:13:44,484 INFO L77 FloydHoareUtils]: At program point L77(line 77) the Hoare annotation is: true [2024-11-09 01:13:44,484 INFO L77 FloydHoareUtils]: At program point L73(line 73) the Hoare annotation is: true [2024-11-09 01:13:44,484 INFO L77 FloydHoareUtils]: At program point L73-1(line 73) the Hoare annotation is: true [2024-11-09 01:13:44,485 INFO L77 FloydHoareUtils]: At program point L69(line 69) the Hoare annotation is: true [2024-11-09 01:13:44,485 INFO L77 FloydHoareUtils]: At program point L65(line 65) the Hoare annotation is: true [2024-11-09 01:13:44,485 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) the Hoare annotation is: true [2024-11-09 01:13:44,486 INFO L77 FloydHoareUtils]: At program point L74(line 74) the Hoare annotation is: true [2024-11-09 01:13:44,486 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-09 01:13:44,486 INFO L77 FloydHoareUtils]: At program point L79(line 79) the Hoare annotation is: true [2024-11-09 01:13:44,486 INFO L77 FloydHoareUtils]: At program point L79-1(line 79) the Hoare annotation is: true [2024-11-09 01:13:44,487 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-09 01:13:44,487 INFO L77 FloydHoareUtils]: At program point L71(line 71) the Hoare annotation is: true [2024-11-09 01:13:44,487 INFO L77 FloydHoareUtils]: At program point L71-1(line 71) the Hoare annotation is: true [2024-11-09 01:13:44,487 INFO L77 FloydHoareUtils]: At program point L67(line 67) the Hoare annotation is: true [2024-11-09 01:13:44,487 INFO L77 FloydHoareUtils]: At program point L67-1(line 67) the Hoare annotation is: true [2024-11-09 01:13:44,488 INFO L77 FloydHoareUtils]: At program point L92-1(lines 92 98) the Hoare annotation is: true [2024-11-09 01:13:44,488 INFO L77 FloydHoareUtils]: At program point L92-3(lines 92 98) the Hoare annotation is: true [2024-11-09 01:13:44,488 INFO L77 FloydHoareUtils]: At program point L92-4(lines 92 98) the Hoare annotation is: true [2024-11-09 01:13:44,489 INFO L77 FloydHoareUtils]: At program point L80(lines 62 81) the Hoare annotation is: true [2024-11-09 01:13:44,489 INFO L77 FloydHoareUtils]: At program point L76(line 76) the Hoare annotation is: true [2024-11-09 01:13:44,489 INFO L77 FloydHoareUtils]: At program point L76-1(line 76) the Hoare annotation is: true [2024-11-09 01:13:44,490 INFO L77 FloydHoareUtils]: At program point L68(line 68) the Hoare annotation is: true [2024-11-09 01:13:44,490 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2024-11-09 01:13:44,490 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(line 20) the Hoare annotation is: true [2024-11-09 01:13:44,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 01:13:44 ImpRootNode [2024-11-09 01:13:44,511 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 01:13:44,512 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:13:44,512 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:13:44,512 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:13:44,513 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:03:50" (3/4) ... [2024-11-09 01:13:44,517 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 01:13:44,522 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-09 01:13:44,527 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2024-11-09 01:13:44,528 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-09 01:13:44,528 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 01:13:44,529 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 01:13:44,692 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 01:13:44,692 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-09 01:13:44,693 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:13:44,694 INFO L158 Benchmark]: Toolchain (without parser) took 600772.47ms. Allocated memory was 79.7MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 55.7MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 410.9MB. Max. memory is 16.1GB. [2024-11-09 01:13:44,695 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 79.7MB. Free memory was 56.3MB in the beginning and 56.2MB in the end (delta: 148.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:13:44,695 INFO L158 Benchmark]: CACSL2BoogieTranslator took 411.55ms. Allocated memory is still 79.7MB. Free memory was 55.5MB in the beginning and 40.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 01:13:44,695 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.03ms. Allocated memory is still 79.7MB. Free memory was 40.8MB in the beginning and 39.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:13:44,696 INFO L158 Benchmark]: Boogie Preprocessor took 86.99ms. Allocated memory was 79.7MB in the beginning and 104.9MB in the end (delta: 25.2MB). Free memory was 38.9MB in the beginning and 83.6MB in the end (delta: -44.8MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2024-11-09 01:13:44,697 INFO L158 Benchmark]: RCFGBuilder took 6050.31ms. Allocated memory is still 104.9MB. Free memory was 83.6MB in the beginning and 59.3MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-09 01:13:44,697 INFO L158 Benchmark]: CodeCheck took 593976.58ms. Allocated memory was 104.9MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 59.3MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 384.1MB. Max. memory is 16.1GB. [2024-11-09 01:13:44,698 INFO L158 Benchmark]: Witness Printer took 180.96ms. Allocated memory is still 1.6GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 01:13:44,700 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 592.3s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 268 SdHoareTripleChecker+Valid, 29.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 117 mSDsluCounter, 205 SdHoareTripleChecker+Invalid, 28.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 142 mSDsCounter, 168 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 688 IncrementalHoareTripleChecker+Invalid, 856 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 168 mSolverCounterUnsat, 63 mSDtfsCounter, 688 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2084 GetRequests, 2044 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 457 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 569.1s InterpolantComputationTime, 279 NumberOfCodeBlocks, 279 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 276 ConstructedInterpolants, 0 QuantifiedInterpolants, 1252 SizeOfPredicates, 13 NumberOfNonLiveVariables, 540 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 3 InterpolantComputations, 0 PerfectInterpolantSequences, 2011/2029 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - 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 - 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: (((((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_2 == \old(var_1_2))) && (var_1_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (var_1_10 == \old(var_1_10))) && (var_1_12 == \old(var_1_12))) && (var_1_13 == \old(var_1_13))) && (var_1_14 == \old(var_1_14))) && (var_1_15 == \old(var_1_15))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63ms. Allocated memory is still 79.7MB. Free memory was 56.3MB in the beginning and 56.2MB in the end (delta: 148.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 411.55ms. Allocated memory is still 79.7MB. Free memory was 55.5MB in the beginning and 40.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.03ms. Allocated memory is still 79.7MB. Free memory was 40.8MB in the beginning and 39.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.99ms. Allocated memory was 79.7MB in the beginning and 104.9MB in the end (delta: 25.2MB). Free memory was 38.9MB in the beginning and 83.6MB in the end (delta: -44.8MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * RCFGBuilder took 6050.31ms. Allocated memory is still 104.9MB. Free memory was 83.6MB in the beginning and 59.3MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 593976.58ms. Allocated memory was 104.9MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 59.3MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 384.1MB. Max. memory is 16.1GB. * Witness Printer took 180.96ms. Allocated memory is still 1.6GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-09 01:13:44,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938f4592-c4df-4f8e-9d7c-210715eb0bcc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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