./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7a512e-dd7d-4116-86ef-259f76887cc0/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7a512e-dd7d-4116-86ef-259f76887cc0/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_bc7a512e-dd7d-4116-86ef-259f76887cc0/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7a512e-dd7d-4116-86ef-259f76887cc0/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7a512e-dd7d-4116-86ef-259f76887cc0/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_bc7a512e-dd7d-4116-86ef-259f76887cc0/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 3f85399f13cd3660b524b9ee202c819bd1459b0c883e7c0e4ddb7463b5e0cc2f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:30:25,749 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:30:25,821 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7a512e-dd7d-4116-86ef-259f76887cc0/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:30:25,825 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:30:25,826 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:30:25,862 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:30:25,863 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:30:25,863 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:30:25,864 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:30:25,864 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:30:25,866 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:30:25,867 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:30:25,867 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:30:25,868 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:30:25,869 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:30:25,871 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:30:25,871 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:30:25,871 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:30:25,872 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:30:25,872 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:30:25,872 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:30:25,873 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:30:25,873 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:30:25,873 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:30:25,874 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:30:25,874 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:30:25,874 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:30:25,875 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:30:25,875 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:30:25,875 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:30:25,876 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:30:25,876 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:30:25,876 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:30:25,881 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_bc7a512e-dd7d-4116-86ef-259f76887cc0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7a512e-dd7d-4116-86ef-259f76887cc0/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f85399f13cd3660b524b9ee202c819bd1459b0c883e7c0e4ddb7463b5e0cc2f [2024-11-09 00:30:26,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:30:26,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:30:26,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:30:26,194 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:30:26,194 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:30:26,195 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7a512e-dd7d-4116-86ef-259f76887cc0/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i Unable to find full path for "g++" [2024-11-09 00:30:28,223 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:30:28,428 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:30:28,429 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7a512e-dd7d-4116-86ef-259f76887cc0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i [2024-11-09 00:30:28,437 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7a512e-dd7d-4116-86ef-259f76887cc0/bin/ukojak-verify-ImItNfHLgk/data/0ff64f110/a12806bed08b43c2bea18c4e9bc5caed/FLAGedc3c7710 [2024-11-09 00:30:28,812 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7a512e-dd7d-4116-86ef-259f76887cc0/bin/ukojak-verify-ImItNfHLgk/data/0ff64f110/a12806bed08b43c2bea18c4e9bc5caed [2024-11-09 00:30:28,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:30:28,820 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:30:28,824 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:30:28,824 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:30:28,830 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:30:28,831 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:30:28" (1/1) ... [2024-11-09 00:30:28,832 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@551ef956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:28, skipping insertion in model container [2024-11-09 00:30:28,833 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:30:28" (1/1) ... [2024-11-09 00:30:28,867 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:30:29,036 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_bc7a512e-dd7d-4116-86ef-259f76887cc0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i[915,928] [2024-11-09 00:30:29,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:30:29,095 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:30:29,109 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_bc7a512e-dd7d-4116-86ef-259f76887cc0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i[915,928] [2024-11-09 00:30:29,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:30:29,145 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:30:29,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:29 WrapperNode [2024-11-09 00:30:29,146 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:30:29,147 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:30:29,147 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:30:29,147 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:30:29,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:29" (1/1) ... [2024-11-09 00:30:29,161 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:29" (1/1) ... [2024-11-09 00:30:29,186 INFO L138 Inliner]: procedures = 26, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 90 [2024-11-09 00:30:29,186 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:30:29,187 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:30:29,187 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:30:29,187 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:30:29,197 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:29" (1/1) ... [2024-11-09 00:30:29,197 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:29" (1/1) ... [2024-11-09 00:30:29,200 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:29" (1/1) ... [2024-11-09 00:30:29,200 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:29" (1/1) ... [2024-11-09 00:30:29,206 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:29" (1/1) ... [2024-11-09 00:30:29,210 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:29" (1/1) ... [2024-11-09 00:30:29,211 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:29" (1/1) ... [2024-11-09 00:30:29,213 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:29" (1/1) ... [2024-11-09 00:30:29,215 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:30:29,216 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:30:29,216 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:30:29,216 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:30:29,217 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:29" (1/1) ... [2024-11-09 00:30:29,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:30:29,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7a512e-dd7d-4116-86ef-259f76887cc0/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:30:29,258 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7a512e-dd7d-4116-86ef-259f76887cc0/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:30:29,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7a512e-dd7d-4116-86ef-259f76887cc0/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:30:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:30:29,302 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:30:29,302 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:30:29,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:30:29,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:30:29,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:30:29,376 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:30:29,378 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:30:29,644 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-09 00:30:29,644 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:30:29,780 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:30:29,780 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:30:29,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:30:29 BoogieIcfgContainer [2024-11-09 00:30:29,781 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:30:29,782 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:30:29,782 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:30:29,792 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:30:29,793 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:30:29" (1/1) ... [2024-11-09 00:30:29,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:30:29,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:29,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2024-11-09 00:30:29,857 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2024-11-09 00:30:29,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 00:30:29,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:29,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:30:30,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:30:30,027 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:30:30,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:30:30,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:30:30,279 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:30:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:30:30,355 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:30:30,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:30:30 ImpRootNode [2024-11-09 00:30:30,399 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:30:30,400 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:30:30,400 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:30:30,400 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:30:30,401 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:30:29" (3/4) ... [2024-11-09 00:30:30,404 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:30:30,405 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:30:30,406 INFO L158 Benchmark]: Toolchain (without parser) took 1585.41ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 81.6MB in the end (delta: 21.3MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2024-11-09 00:30:30,407 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 102.8MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:30:30,408 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.08ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 89.1MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:30:30,408 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.68ms. Allocated memory is still 142.6MB. Free memory was 88.8MB in the beginning and 87.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:30:30,408 INFO L158 Benchmark]: Boogie Preprocessor took 28.24ms. Allocated memory is still 142.6MB. Free memory was 87.1MB in the beginning and 85.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:30:30,409 INFO L158 Benchmark]: RCFGBuilder took 565.16ms. Allocated memory is still 142.6MB. Free memory was 85.4MB in the beginning and 106.8MB in the end (delta: -21.4MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2024-11-09 00:30:30,410 INFO L158 Benchmark]: CodeCheck took 617.46ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 82.1MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-09 00:30:30,410 INFO L158 Benchmark]: Witness Printer took 5.14ms. Allocated memory is still 142.6MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:30:30,413 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, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 39 NumberOfCodeBlocks, 39 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 someBinaryFLOATComparisonOperation at line 42, overapproximation of someUnaryDOUBLEoperation at line 43, overapproximation of someBinaryArithmeticDOUBLEoperation at line 43, overapproximation of someBinaryDOUBLEComparisonOperation at line 43, overapproximation of someBinaryArithmeticFLOAToperation at line 38. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 255.5; [L23] unsigned char var_1_2 = 16; [L24] float var_1_4 = 1000000000000000.6; [L25] float var_1_5 = 500.5; [L26] float var_1_6 = 99999999999.5; [L27] double var_1_7 = 9.6; [L28] double var_1_8 = -0.2; [L29] double var_1_9 = 25.2; [L30] signed short int var_1_10 = 1; [L31] unsigned char var_1_11 = 0; [L32] signed long int var_1_15 = -64; [L79] isInitial = 1 [L80] FCALL initially() [L81] int k_loop; [L82] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=16, var_1_4=5000000000000003/5, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L82] COND FALSE !(k_loop < 1) VAL [isInitial=1, k_loop=0, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=16, var_1_4=5000000000000003/5, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L82] COND TRUE k_loop < 1 [L83] FCALL updateLastVariables() [L84] CALL updateVariables() [L55] var_1_2 = __VERIFIER_nondet_uchar() [L56] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_4=5000000000000003/5, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L20] COND FALSE !(!cond) [L56] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_4=5000000000000003/5, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L57] CALL assume_abort_if_not(var_1_2 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=0, var_1_4=5000000000000003/5, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L20] COND FALSE !(!cond) [L57] RET assume_abort_if_not(var_1_2 <= 127) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=0, var_1_4=5000000000000003/5, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L58] var_1_4 = __VERIFIER_nondet_float() [L59] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=0, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L20] COND FALSE !(!cond) [L59] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=0, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L60] var_1_5 = __VERIFIER_nondet_float() [L61] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=0, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=0, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L62] var_1_6 = __VERIFIER_nondet_float() [L63] CALL assume_abort_if_not((var_1_6 >= 0.0F && 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=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=0, var_1_7=48/5, var_1_9=126/5] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=0, var_1_7=48/5, var_1_9=126/5] [L64] var_1_8 = __VERIFIER_nondet_double() [L65] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=0, var_1_7=48/5, var_1_9=126/5] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=0, var_1_7=48/5, var_1_9=126/5] [L66] var_1_9 = __VERIFIER_nondet_double() [L67] CALL assume_abort_if_not((var_1_9 >= -461168.6018427382800e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=0, var_1_7=48/5] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not((var_1_9 >= -461168.6018427382800e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=0, var_1_7=48/5] [L68] var_1_11 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_15=-64, var_1_1=511/2, var_1_2=0, var_1_7=48/5] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=1, var_1_15=-64, var_1_1=511/2, var_1_2=0, var_1_7=48/5] [L70] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=0, var_1_7=48/5] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=0, var_1_7=48/5] [L84] RET updateVariables() [L85] CALL step() [L36] signed long int stepLocal_0 = (((8) < 0 ) ? -(8) : (8)); [L37] COND TRUE (((((200) < (128)) ? (200) : (128))) - var_1_2) > stepLocal_0 [L38] var_1_1 = (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))) - var_1_6) [L42] COND TRUE var_1_5 >= (var_1_4 + var_1_6) [L43] var_1_7 = ((((var_1_8 + var_1_9) < 0 ) ? -(var_1_8 + var_1_9) : (var_1_8 + var_1_9))) [L45] COND FALSE !(((var_1_6 - var_1_4) + var_1_7) >= var_1_5) [L50] COND FALSE !(((var_1_2 + var_1_15) + var_1_15) >= var_1_15) [L85] RET step() [L86] CALL, EXPR property() [L75-L76] return (((((((((200) < (128)) ? (200) : (128))) - var_1_2) > ((((8) < 0 ) ? -(8) : (8)))) ? (var_1_1 == ((float) (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))) - var_1_6))) : (var_1_1 == ((float) var_1_6))) && ((var_1_5 >= (var_1_4 + var_1_6)) ? (var_1_7 == ((double) ((((var_1_8 + var_1_9) < 0 ) ? -(var_1_8 + var_1_9) : (var_1_8 + var_1_9))))) : 1)) && ((((var_1_2 + var_1_15) + var_1_15) >= var_1_15) ? (var_1_10 == ((signed short int) var_1_2)) : 1)) && ((((var_1_6 - var_1_4) + var_1_7) >= var_1_5) ? (var_1_11 ? (var_1_15 == ((signed long int) 100)) : 1) : 1) ; [L86] RET, EXPR property() [L86] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=0, var_1_2=0, var_1_6=0, var_1_7=48/5] [L19] reach_error() VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=0, var_1_2=0, var_1_6=0, var_1_7=48/5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 102.8MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.08ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 89.1MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.68ms. Allocated memory is still 142.6MB. Free memory was 88.8MB in the beginning and 87.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.24ms. Allocated memory is still 142.6MB. Free memory was 87.1MB in the beginning and 85.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 565.16ms. Allocated memory is still 142.6MB. Free memory was 85.4MB in the beginning and 106.8MB in the end (delta: -21.4MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * CodeCheck took 617.46ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 82.1MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 5.14ms. Allocated memory is still 142.6MB. Free memory is still 81.6MB. 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 00:30:30,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7a512e-dd7d-4116-86ef-259f76887cc0/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7a512e-dd7d-4116-86ef-259f76887cc0/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7a512e-dd7d-4116-86ef-259f76887cc0/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_bc7a512e-dd7d-4116-86ef-259f76887cc0/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7a512e-dd7d-4116-86ef-259f76887cc0/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7a512e-dd7d-4116-86ef-259f76887cc0/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_bc7a512e-dd7d-4116-86ef-259f76887cc0/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 3f85399f13cd3660b524b9ee202c819bd1459b0c883e7c0e4ddb7463b5e0cc2f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:30:32,861 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:30:32,966 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7a512e-dd7d-4116-86ef-259f76887cc0/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-09 00:30:33,009 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:30:33,011 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:30:33,012 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:30:33,013 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:30:33,013 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:30:33,014 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:30:33,015 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:30:33,016 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:30:33,016 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:30:33,016 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:30:33,017 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:30:33,017 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:30:33,019 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:30:33,020 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:30:33,020 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:30:33,020 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:30:33,020 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:30:33,021 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:30:33,025 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:30:33,025 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:30:33,025 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:30:33,025 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:30:33,026 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:30:33,026 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:33,026 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:30:33,026 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:30:33,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:30:33,027 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:30:33,027 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:30:33,027 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:30:33,028 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:30:33,028 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:33,028 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:30:33,028 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_bc7a512e-dd7d-4116-86ef-259f76887cc0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7a512e-dd7d-4116-86ef-259f76887cc0/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f85399f13cd3660b524b9ee202c819bd1459b0c883e7c0e4ddb7463b5e0cc2f [2024-11-09 00:30:33,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:30:33,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:30:33,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:30:33,433 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:30:33,434 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:30:33,436 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7a512e-dd7d-4116-86ef-259f76887cc0/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i Unable to find full path for "g++" [2024-11-09 00:30:35,474 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:30:35,659 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:30:35,662 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7a512e-dd7d-4116-86ef-259f76887cc0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i [2024-11-09 00:30:35,675 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7a512e-dd7d-4116-86ef-259f76887cc0/bin/ukojak-verify-ImItNfHLgk/data/b331f4873/54af3d15ad2b4690a3120014fe8f3fdb/FLAG749a130ba [2024-11-09 00:30:35,698 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7a512e-dd7d-4116-86ef-259f76887cc0/bin/ukojak-verify-ImItNfHLgk/data/b331f4873/54af3d15ad2b4690a3120014fe8f3fdb [2024-11-09 00:30:35,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:30:35,702 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:30:35,703 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:30:35,703 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:30:35,711 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:30:35,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:30:35" (1/1) ... [2024-11-09 00:30:35,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71208fd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:35, skipping insertion in model container [2024-11-09 00:30:35,713 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:30:35" (1/1) ... [2024-11-09 00:30:35,743 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:30:35,969 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_bc7a512e-dd7d-4116-86ef-259f76887cc0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i[915,928] [2024-11-09 00:30:36,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:30:36,078 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:30:36,093 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_bc7a512e-dd7d-4116-86ef-259f76887cc0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-99.i[915,928] [2024-11-09 00:30:36,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:30:36,148 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:30:36,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:36 WrapperNode [2024-11-09 00:30:36,149 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:30:36,150 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:30:36,150 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:30:36,150 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:30:36,158 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:36" (1/1) ... [2024-11-09 00:30:36,176 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:36" (1/1) ... [2024-11-09 00:30:36,210 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 90 [2024-11-09 00:30:36,213 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:30:36,213 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:30:36,214 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:30:36,215 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:30:36,230 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:36" (1/1) ... [2024-11-09 00:30:36,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:36" (1/1) ... [2024-11-09 00:30:36,234 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:36" (1/1) ... [2024-11-09 00:30:36,234 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:36" (1/1) ... [2024-11-09 00:30:36,244 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:36" (1/1) ... [2024-11-09 00:30:36,253 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:36" (1/1) ... [2024-11-09 00:30:36,259 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:36" (1/1) ... [2024-11-09 00:30:36,261 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:36" (1/1) ... [2024-11-09 00:30:36,266 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:30:36,271 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:30:36,271 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:30:36,272 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:30:36,272 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:36" (1/1) ... [2024-11-09 00:30:36,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:30:36,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7a512e-dd7d-4116-86ef-259f76887cc0/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:30:36,309 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7a512e-dd7d-4116-86ef-259f76887cc0/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:30:36,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7a512e-dd7d-4116-86ef-259f76887cc0/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:30:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:30:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:30:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:30:36,339 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:30:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:30:36,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:30:36,415 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:30:36,418 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:30:44,975 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-09 00:30:44,975 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:30:45,108 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:30:45,109 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:30:45,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:30:45 BoogieIcfgContainer [2024-11-09 00:30:45,110 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:30:45,111 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:30:45,111 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:30:45,118 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:30:45,119 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:30:45" (1/1) ... [2024-11-09 00:30:45,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:30:45,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:45,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2024-11-09 00:30:45,189 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2024-11-09 00:30:45,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 00:30:45,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:45,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:45,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7a512e-dd7d-4116-86ef-259f76887cc0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:45,198 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7a512e-dd7d-4116-86ef-259f76887cc0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:45,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7a512e-dd7d-4116-86ef-259f76887cc0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:30:46,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:46,673 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:52,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 00:30:52,493 INFO L278 TraceCheckSpWp]: Computing forward predicates...