./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound10.c --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_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/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_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/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_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/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 4b82e8c1bcf5c03e334b6553e221218e68863b0793b3c79a9b1ece221f87e858 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:51:33,361 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:51:33,434 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:51:33,438 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:51:33,438 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:51:33,459 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:51:33,460 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:51:33,460 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:51:33,461 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:51:33,461 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:51:33,461 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:51:33,462 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:51:33,462 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:51:33,462 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:51:33,463 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:51:33,463 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:51:33,463 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:51:33,464 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:51:33,464 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:51:33,464 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:51:33,464 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:51:33,465 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:51:33,465 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:51:33,466 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:51:33,466 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:51:33,466 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:51:33,467 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:51:33,467 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:51:33,467 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:51:33,468 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:51:33,468 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:51:33,468 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:51:33,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:51:33,469 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_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b82e8c1bcf5c03e334b6553e221218e68863b0793b3c79a9b1ece221f87e858 [2024-11-08 22:51:33,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:51:33,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:51:33,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:51:33,778 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:51:33,779 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:51:33,780 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound10.c Unable to find full path for "g++" [2024-11-08 22:51:35,695 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:51:35,934 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:51:35,937 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound10.c [2024-11-08 22:51:35,947 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/bin/ukojak-verify-ImItNfHLgk/data/541e578a8/fb5fa7422e2c4b03a75ac905af96c2dc/FLAGaa16f22b9 [2024-11-08 22:51:35,974 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/bin/ukojak-verify-ImItNfHLgk/data/541e578a8/fb5fa7422e2c4b03a75ac905af96c2dc [2024-11-08 22:51:35,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:51:35,980 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:51:35,982 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:51:35,982 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:51:35,989 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:51:35,990 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:51:35" (1/1) ... [2024-11-08 22:51:35,992 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@650258e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:51:35, skipping insertion in model container [2024-11-08 22:51:35,992 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:51:35" (1/1) ... [2024-11-08 22:51:36,021 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:51:36,291 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_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound10.c[709,722] [2024-11-08 22:51:36,320 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:51:36,331 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:51:36,341 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_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound10.c[709,722] [2024-11-08 22:51:36,351 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:51:36,367 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:51:36,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:51:36 WrapperNode [2024-11-08 22:51:36,367 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:51:36,368 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:51:36,368 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:51:36,369 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:51:36,376 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:51:36" (1/1) ... [2024-11-08 22:51:36,383 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:51:36" (1/1) ... [2024-11-08 22:51:36,401 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39 [2024-11-08 22:51:36,402 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:51:36,402 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:51:36,402 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:51:36,403 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:51:36,412 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:51:36" (1/1) ... [2024-11-08 22:51:36,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:51:36" (1/1) ... [2024-11-08 22:51:36,413 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:51:36" (1/1) ... [2024-11-08 22:51:36,413 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:51:36" (1/1) ... [2024-11-08 22:51:36,418 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:51:36" (1/1) ... [2024-11-08 22:51:36,421 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:51:36" (1/1) ... [2024-11-08 22:51:36,422 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:51:36" (1/1) ... [2024-11-08 22:51:36,423 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:51:36" (1/1) ... [2024-11-08 22:51:36,424 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:51:36,425 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:51:36,426 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:51:36,426 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:51:36,426 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:51:36" (1/1) ... [2024-11-08 22:51:36,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:51:36,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:51:36,467 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:51:36,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:51:36,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:51:36,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:51:36,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:51:36,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:51:36,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:51:36,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:51:36,568 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:51:36,569 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:51:36,709 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-08 22:51:36,709 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:51:36,752 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:51:36,753 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:51:36,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:51:36 BoogieIcfgContainer [2024-11-08 22:51:36,753 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:51:36,754 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:51:36,755 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:51:36,766 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:51:36,766 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:51:36" (1/1) ... [2024-11-08 22:51:36,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:51:36,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:36,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2024-11-08 22:51:36,828 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2024-11-08 22:51:36,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:51:36,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:36,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:51:36,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:51:36,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:51:36,971 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:51:36,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:51:37,003 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:51:37,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:51:37 ImpRootNode [2024-11-08 22:51:37,027 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:51:37,028 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:51:37,028 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:51:37,028 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:51:37,028 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:51:36" (3/4) ... [2024-11-08 22:51:37,031 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:51:37,033 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:51:37,034 INFO L158 Benchmark]: Toolchain (without parser) took 1053.06ms. Allocated memory is still 161.5MB. Free memory was 128.6MB in the beginning and 99.9MB in the end (delta: 28.7MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2024-11-08 22:51:37,034 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 123.7MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:51:37,035 INFO L158 Benchmark]: CACSL2BoogieTranslator took 385.94ms. Allocated memory is still 161.5MB. Free memory was 128.6MB in the beginning and 128.2MB in the end (delta: 344.4kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 22:51:37,035 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.51ms. Allocated memory is still 161.5MB. Free memory was 128.2MB in the beginning and 126.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:51:37,036 INFO L158 Benchmark]: Boogie Preprocessor took 22.37ms. Allocated memory is still 161.5MB. Free memory was 126.1MB in the beginning and 125.1MB in the end (delta: 1.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:51:37,037 INFO L158 Benchmark]: RCFGBuilder took 328.30ms. Allocated memory is still 161.5MB. Free memory was 125.1MB in the beginning and 112.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:51:37,037 INFO L158 Benchmark]: CodeCheck took 272.56ms. Allocated memory is still 161.5MB. Free memory was 112.5MB in the beginning and 100.9MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 22:51:37,038 INFO L158 Benchmark]: Witness Printer took 5.20ms. Allocated memory is still 161.5MB. Free memory was 100.9MB in the beginning and 99.9MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:51:37,041 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, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 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 to_int at line 34, overapproximation of someBinaryDOUBLEComparisonOperation at line 28. Possible FailurePath: [L25] int r; [L26] double a, x, s; [L27] a = __VERIFIER_nondet_double() [L28] CALL assume_abort_if_not(a>=0 && a<=10) [L14] COND FALSE !(!cond) [L28] RET assume_abort_if_not(a>=0 && a<=10) [L29] x = a [L30] s = 3.25 [L31] r = 1 VAL [r=1] [L33] COND TRUE 1 VAL [r=1] [L34] CALL __VERIFIER_assert((int)(4*s) - 12*r*r == 1) VAL [\old(cond)=0] [L17] COND TRUE !(cond) VAL [\old(cond)=0] [L19] reach_error() VAL [\old(cond)=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 123.7MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 385.94ms. Allocated memory is still 161.5MB. Free memory was 128.6MB in the beginning and 128.2MB in the end (delta: 344.4kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.51ms. Allocated memory is still 161.5MB. Free memory was 128.2MB in the beginning and 126.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.37ms. Allocated memory is still 161.5MB. Free memory was 126.1MB in the beginning and 125.1MB in the end (delta: 1.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 328.30ms. Allocated memory is still 161.5MB. Free memory was 125.1MB in the beginning and 112.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 272.56ms. Allocated memory is still 161.5MB. Free memory was 112.5MB in the beginning and 100.9MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 5.20ms. Allocated memory is still 161.5MB. Free memory was 100.9MB in the beginning and 99.9MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:51:37,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/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_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/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_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/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_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/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 4b82e8c1bcf5c03e334b6553e221218e68863b0793b3c79a9b1ece221f87e858 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:51:39,493 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:51:39,598 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:51:39,642 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:51:39,643 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:51:39,644 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:51:39,644 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:51:39,645 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:51:39,646 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:51:39,646 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:51:39,646 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:51:39,647 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:51:39,648 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:51:39,649 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:51:39,649 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:51:39,649 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:51:39,650 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:51:39,650 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:51:39,650 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:51:39,651 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:51:39,651 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:51:39,656 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:51:39,656 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:51:39,656 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:51:39,657 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:51:39,657 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:51:39,657 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:39,657 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:51:39,658 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:51:39,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:51:39,658 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:51:39,658 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:51:39,659 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:51:39,659 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:51:39,659 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:39,659 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:51:39,660 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_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b82e8c1bcf5c03e334b6553e221218e68863b0793b3c79a9b1ece221f87e858 [2024-11-08 22:51:40,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:51:40,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:51:40,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:51:40,093 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:51:40,093 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:51:40,095 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound10.c Unable to find full path for "g++" [2024-11-08 22:51:42,145 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:51:42,372 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:51:42,372 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound10.c [2024-11-08 22:51:42,379 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/bin/ukojak-verify-ImItNfHLgk/data/803f476e5/b77972f1401f4032aa7c035177f576a5/FLAG787d52799 [2024-11-08 22:51:42,394 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/bin/ukojak-verify-ImItNfHLgk/data/803f476e5/b77972f1401f4032aa7c035177f576a5 [2024-11-08 22:51:42,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:51:42,398 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:51:42,399 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:51:42,399 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:51:42,404 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:51:42,405 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:51:42" (1/1) ... [2024-11-08 22:51:42,406 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17f2eff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:51:42, skipping insertion in model container [2024-11-08 22:51:42,406 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:51:42" (1/1) ... [2024-11-08 22:51:42,427 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:51:42,645 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_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound10.c[709,722] [2024-11-08 22:51:42,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:51:42,683 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:51:42,706 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_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound10.c[709,722] [2024-11-08 22:51:42,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:51:42,745 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:51:42,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:51:42 WrapperNode [2024-11-08 22:51:42,745 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:51:42,746 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:51:42,747 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:51:42,747 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:51:42,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:51:42" (1/1) ... [2024-11-08 22:51:42,776 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:51:42" (1/1) ... [2024-11-08 22:51:42,802 INFO L138 Inliner]: procedures = 15, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 40 [2024-11-08 22:51:42,803 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:51:42,806 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:51:42,806 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:51:42,806 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:51:42,816 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:51:42" (1/1) ... [2024-11-08 22:51:42,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:51:42" (1/1) ... [2024-11-08 22:51:42,822 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:51:42" (1/1) ... [2024-11-08 22:51:42,825 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:51:42" (1/1) ... [2024-11-08 22:51:42,838 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:51:42" (1/1) ... [2024-11-08 22:51:42,848 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:51:42" (1/1) ... [2024-11-08 22:51:42,853 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:51:42" (1/1) ... [2024-11-08 22:51:42,855 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:51:42" (1/1) ... [2024-11-08 22:51:42,861 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:51:42,866 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:51:42,867 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:51:42,867 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:51:42,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:51:42" (1/1) ... [2024-11-08 22:51:42,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:51:42,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:51:42,899 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:51:42,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:51:42,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:51:42,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:51:42,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:51:42,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:51:42,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:51:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:51:42,999 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:51:43,002 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:51:46,206 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-08 22:51:46,206 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:51:46,269 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:51:46,269 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:51:46,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:51:46 BoogieIcfgContainer [2024-11-08 22:51:46,269 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:51:46,270 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:51:46,271 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:51:46,282 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:51:46,282 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:51:46" (1/1) ... [2024-11-08 22:51:46,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:51:46,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:46,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2024-11-08 22:51:46,353 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2024-11-08 22:51:46,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:51:46,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:46,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:46,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:46,360 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:46,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:51:46,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:46,584 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:46,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 22:51:46,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:47,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:51:47,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:51:48,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:51:51,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:51:55,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.68s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:52:06,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.38s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:52:16,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:52:19,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.09s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:52:30,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:52:40,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:52:41,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:41,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 21 states and 34 transitions. [2024-11-08 22:52:41,563 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 34 transitions. [2024-11-08 22:52:41,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:52:41,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:41,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:41,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:41,570 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:41,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:52:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:42,146 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:49,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:52:49,941 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:52,844 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:52:52,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 22:52:56,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.87s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:52:58,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:53:04,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.36s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:53:10,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.89s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:53:21,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:53:31,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:53:35,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:53:46,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:53:56,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:54:03,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.59s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:54:13,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:54:23,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:54:24,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:54:29,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.29s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:54:39,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:54:49,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:54:57,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.20s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:55:06,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.28s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:55:08,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:55:15,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.95s for a HTC check with result VALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:55:19,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:55:19,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:19,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 28 states and 59 transitions. [2024-11-08 22:55:19,560 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 59 transitions. [2024-11-08 22:55:19,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 22:55:19,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:19,561 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:19,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:19,564 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:19,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac280a7-f0fc-47d6-98f1-8d2939eb0139/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 22:55:58,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:55:58,194 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:56:30,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat