./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound100.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_df7e6a35-1219-41af-93c0-eaef4a243134/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7e6a35-1219-41af-93c0-eaef4a243134/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_df7e6a35-1219-41af-93c0-eaef4a243134/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7e6a35-1219-41af-93c0-eaef4a243134/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7e6a35-1219-41af-93c0-eaef4a243134/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_df7e6a35-1219-41af-93c0-eaef4a243134/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 4fec5b098aa2c60671d1780ba812b42b15ac9ae3aabb25670634981b4519504b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:40:55,305 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:40:55,400 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7e6a35-1219-41af-93c0-eaef4a243134/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:40:55,411 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:40:55,411 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:40:55,450 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:40:55,451 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:40:55,452 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:40:55,452 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:40:55,454 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:40:55,454 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:40:55,455 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:40:55,455 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:40:55,458 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:40:55,458 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:40:55,459 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:40:55,459 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:40:55,459 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:40:55,460 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:40:55,460 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:40:55,460 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:40:55,464 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:40:55,465 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:40:55,465 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:40:55,465 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:40:55,466 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:40:55,466 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:40:55,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:40:55,466 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:40:55,467 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:40:55,467 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:40:55,467 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:40:55,467 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:40:55,468 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_df7e6a35-1219-41af-93c0-eaef4a243134/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7e6a35-1219-41af-93c0-eaef4a243134/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fec5b098aa2c60671d1780ba812b42b15ac9ae3aabb25670634981b4519504b [2024-11-09 00:40:55,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:40:55,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:40:55,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:40:55,800 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:40:55,800 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:40:55,802 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7e6a35-1219-41af-93c0-eaef4a243134/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound100.c Unable to find full path for "g++" [2024-11-09 00:40:57,753 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:40:57,971 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:40:57,972 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7e6a35-1219-41af-93c0-eaef4a243134/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound100.c [2024-11-09 00:40:57,985 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7e6a35-1219-41af-93c0-eaef4a243134/bin/ukojak-verify-ImItNfHLgk/data/2a905b1af/2e05b1b2fb2d42cd8dadc5c3f40d1db7/FLAG121f81ad5 [2024-11-09 00:40:58,008 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7e6a35-1219-41af-93c0-eaef4a243134/bin/ukojak-verify-ImItNfHLgk/data/2a905b1af/2e05b1b2fb2d42cd8dadc5c3f40d1db7 [2024-11-09 00:40:58,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:40:58,015 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:40:58,017 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:40:58,018 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:40:58,023 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:40:58,025 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:40:58" (1/1) ... [2024-11-09 00:40:58,030 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f5f41b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:58, skipping insertion in model container [2024-11-09 00:40:58,030 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:40:58" (1/1) ... [2024-11-09 00:40:58,058 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:40:58,291 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_df7e6a35-1219-41af-93c0-eaef4a243134/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound100.c[709,722] [2024-11-09 00:40:58,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:40:58,333 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:40:58,349 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_df7e6a35-1219-41af-93c0-eaef4a243134/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound100.c[709,722] [2024-11-09 00:40:58,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:40:58,384 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:40:58,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:58 WrapperNode [2024-11-09 00:40:58,385 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:40:58,386 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:40:58,386 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:40:58,387 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:40:58,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:58" (1/1) ... [2024-11-09 00:40:58,407 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:58" (1/1) ... [2024-11-09 00:40:58,433 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39 [2024-11-09 00:40:58,435 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:40:58,436 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:40:58,436 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:40:58,437 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:40:58,446 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:58" (1/1) ... [2024-11-09 00:40:58,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:58" (1/1) ... [2024-11-09 00:40:58,448 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:58" (1/1) ... [2024-11-09 00:40:58,449 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:58" (1/1) ... [2024-11-09 00:40:58,454 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:58" (1/1) ... [2024-11-09 00:40:58,461 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:58" (1/1) ... [2024-11-09 00:40:58,462 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:58" (1/1) ... [2024-11-09 00:40:58,467 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:58" (1/1) ... [2024-11-09 00:40:58,469 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:40:58,470 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:40:58,474 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:40:58,474 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:40:58,475 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:58" (1/1) ... [2024-11-09 00:40:58,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:40:58,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7e6a35-1219-41af-93c0-eaef4a243134/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:40:58,514 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7e6a35-1219-41af-93c0-eaef4a243134/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:40:58,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7e6a35-1219-41af-93c0-eaef4a243134/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:40:58,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:40:58,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:40:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:40:58,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:40:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 00:40:58,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 00:40:58,681 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:40:58,686 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:40:58,826 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-09 00:40:58,827 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:40:58,900 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:40:58,901 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:40:58,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:40:58 BoogieIcfgContainer [2024-11-09 00:40:58,901 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:40:58,902 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:40:58,902 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:40:58,914 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:40:58,914 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:40:58" (1/1) ... [2024-11-09 00:40:58,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:40:58,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:40:58,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2024-11-09 00:40:58,997 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2024-11-09 00:40:58,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:40:58,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:40:58,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:40:59,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:40:59,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:40:59,133 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:40:59,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:40:59,174 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:40:59,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:40:59 ImpRootNode [2024-11-09 00:40:59,196 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:40:59,197 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:40:59,197 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:40:59,197 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:40:59,198 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:40:58" (3/4) ... [2024-11-09 00:40:59,200 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:40:59,202 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:40:59,203 INFO L158 Benchmark]: Toolchain (without parser) took 1187.80ms. Allocated memory is still 161.5MB. Free memory was 107.8MB in the beginning and 109.8MB in the end (delta: -1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:40:59,203 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 123.7MB. Free memory was 97.0MB in the beginning and 96.9MB in the end (delta: 136.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:40:59,204 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.19ms. Allocated memory is still 161.5MB. Free memory was 107.6MB in the beginning and 94.8MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:40:59,205 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.47ms. Allocated memory is still 161.5MB. Free memory was 94.6MB in the beginning and 93.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:40:59,205 INFO L158 Benchmark]: Boogie Preprocessor took 33.14ms. Allocated memory is still 161.5MB. Free memory was 93.1MB in the beginning and 91.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:40:59,206 INFO L158 Benchmark]: RCFGBuilder took 431.46ms. Allocated memory is still 161.5MB. Free memory was 91.9MB in the beginning and 121.4MB in the end (delta: -29.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 00:40:59,207 INFO L158 Benchmark]: CodeCheck took 294.03ms. Allocated memory is still 161.5MB. Free memory was 121.4MB in the beginning and 110.3MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 00:40:59,208 INFO L158 Benchmark]: Witness Printer took 4.96ms. Allocated memory is still 161.5MB. Free memory was 110.3MB in the beginning and 109.8MB in the end (delta: 552.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:40:59,212 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<=100) [L14] COND FALSE !(!cond) [L28] RET assume_abort_if_not(a>=0 && a<=100) [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 0.29ms. Allocated memory is still 123.7MB. Free memory was 97.0MB in the beginning and 96.9MB in the end (delta: 136.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.19ms. Allocated memory is still 161.5MB. Free memory was 107.6MB in the beginning and 94.8MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.47ms. Allocated memory is still 161.5MB. Free memory was 94.6MB in the beginning and 93.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.14ms. Allocated memory is still 161.5MB. Free memory was 93.1MB in the beginning and 91.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 431.46ms. Allocated memory is still 161.5MB. Free memory was 91.9MB in the beginning and 121.4MB in the end (delta: -29.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 294.03ms. Allocated memory is still 161.5MB. Free memory was 121.4MB in the beginning and 110.3MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 4.96ms. Allocated memory is still 161.5MB. Free memory was 110.3MB in the beginning and 109.8MB in the end (delta: 552.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:40:59,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7e6a35-1219-41af-93c0-eaef4a243134/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7e6a35-1219-41af-93c0-eaef4a243134/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7e6a35-1219-41af-93c0-eaef4a243134/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_df7e6a35-1219-41af-93c0-eaef4a243134/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7e6a35-1219-41af-93c0-eaef4a243134/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7e6a35-1219-41af-93c0-eaef4a243134/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_df7e6a35-1219-41af-93c0-eaef4a243134/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 4fec5b098aa2c60671d1780ba812b42b15ac9ae3aabb25670634981b4519504b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:41:01,647 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:41:01,749 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7e6a35-1219-41af-93c0-eaef4a243134/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-09 00:41:01,789 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:41:01,790 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:41:01,790 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:41:01,790 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:41:01,791 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:41:01,791 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:41:01,791 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:41:01,793 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:41:01,793 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:41:01,793 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:41:01,798 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:41:01,798 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:41:01,798 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:41:01,799 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:41:01,799 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:41:01,799 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:41:01,799 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:41:01,800 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:41:01,800 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:41:01,800 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:41:01,800 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:41:01,801 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:41:01,801 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:41:01,801 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:41:01,801 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:41:01,802 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:41:01,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:41:01,802 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:41:01,802 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:41:01,803 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:41:01,803 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:41:01,803 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:41:01,803 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:41:01,806 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_df7e6a35-1219-41af-93c0-eaef4a243134/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7e6a35-1219-41af-93c0-eaef4a243134/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fec5b098aa2c60671d1780ba812b42b15ac9ae3aabb25670634981b4519504b [2024-11-09 00:41:02,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:41:02,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:41:02,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:41:02,265 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:41:02,266 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:41:02,267 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7e6a35-1219-41af-93c0-eaef4a243134/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound100.c Unable to find full path for "g++" [2024-11-09 00:41:04,217 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:41:04,438 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:41:04,439 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7e6a35-1219-41af-93c0-eaef4a243134/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound100.c [2024-11-09 00:41:04,445 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7e6a35-1219-41af-93c0-eaef4a243134/bin/ukojak-verify-ImItNfHLgk/data/ce801b4b6/e76e0d039ef94154856e4cb2901c5527/FLAGab841bafc [2024-11-09 00:41:04,458 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7e6a35-1219-41af-93c0-eaef4a243134/bin/ukojak-verify-ImItNfHLgk/data/ce801b4b6/e76e0d039ef94154856e4cb2901c5527 [2024-11-09 00:41:04,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:41:04,462 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:41:04,463 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:41:04,463 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:41:04,467 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:41:04,468 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:41:04" (1/1) ... [2024-11-09 00:41:04,469 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dd5f104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:41:04, skipping insertion in model container [2024-11-09 00:41:04,469 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:41:04" (1/1) ... [2024-11-09 00:41:04,489 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:41:04,680 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_df7e6a35-1219-41af-93c0-eaef4a243134/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound100.c[709,722] [2024-11-09 00:41:04,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:41:04,734 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:41:04,747 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_df7e6a35-1219-41af-93c0-eaef4a243134/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound100.c[709,722] [2024-11-09 00:41:04,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:41:04,795 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:41:04,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:41:04 WrapperNode [2024-11-09 00:41:04,796 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:41:04,797 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:41:04,797 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:41:04,797 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:41:04,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:41:04" (1/1) ... [2024-11-09 00:41:04,815 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:41:04" (1/1) ... [2024-11-09 00:41:04,836 INFO L138 Inliner]: procedures = 15, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 40 [2024-11-09 00:41:04,838 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:41:04,839 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:41:04,840 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:41:04,840 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:41:04,849 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:41:04" (1/1) ... [2024-11-09 00:41:04,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:41:04" (1/1) ... [2024-11-09 00:41:04,856 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:41:04" (1/1) ... [2024-11-09 00:41:04,856 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:41:04" (1/1) ... [2024-11-09 00:41:04,869 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:41:04" (1/1) ... [2024-11-09 00:41:04,872 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:41:04" (1/1) ... [2024-11-09 00:41:04,877 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:41:04" (1/1) ... [2024-11-09 00:41:04,882 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:41:04" (1/1) ... [2024-11-09 00:41:04,885 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:41:04,889 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:41:04,889 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:41:04,890 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:41:04,894 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:41:04" (1/1) ... [2024-11-09 00:41:04,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:41:04,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7e6a35-1219-41af-93c0-eaef4a243134/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:41:04,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7e6a35-1219-41af-93c0-eaef4a243134/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:41:04,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7e6a35-1219-41af-93c0-eaef4a243134/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:41:04,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:41:04,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:41:04,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:41:04,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:41:04,994 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 00:41:04,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 00:41:05,083 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:41:05,086 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:41:08,125 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-09 00:41:08,126 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:41:08,176 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:41:08,176 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:41:08,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:41:08 BoogieIcfgContainer [2024-11-09 00:41:08,177 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:41:08,178 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:41:08,178 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:41:08,188 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:41:08,188 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:41:08" (1/1) ... [2024-11-09 00:41:08,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:41:08,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:41:08,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2024-11-09 00:41:08,263 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2024-11-09 00:41:08,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:41:08,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:41:08,266 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:41:08,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7e6a35-1219-41af-93c0-eaef4a243134/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:41:08,270 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7e6a35-1219-41af-93c0-eaef4a243134/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:41:08,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7e6a35-1219-41af-93c0-eaef4a243134/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:41:08,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:08,456 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:41:08,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:08,670 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:41:08,678 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:41:08,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:41:08,958 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7e6a35-1219-41af-93c0-eaef4a243134/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-09 00:41:08,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7e6a35-1219-41af-93c0-eaef4a243134/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:41:10,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:41:12,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:41:15,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.90s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:41:25,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:41:35,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:41:41,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.63s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:41:52,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:42:02,285 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 [] [2024-11-09 00:42:03,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:03,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 21 states and 34 transitions. [2024-11-09 00:42:03,426 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 34 transitions. [2024-11-09 00:42:03,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:42:03,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:03,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:42:03,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7e6a35-1219-41af-93c0-eaef4a243134/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:42:03,435 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7e6a35-1219-41af-93c0-eaef4a243134/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:42:03,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7e6a35-1219-41af-93c0-eaef4a243134/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:42:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:03,975 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:42:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:08,815 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:42:08,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:42:11,553 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:42:11,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7e6a35-1219-41af-93c0-eaef4a243134/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-09 00:42:14,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:42:16,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:42:21,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.51s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:42:26,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.97s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:42:36,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:42:46,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:42:49,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.72s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:43:00,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:43:10,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:43:16,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.20s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:43:26,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:43:36,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:43:39,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:43:49,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:43:59,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:44:08,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.95s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:44:10,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:44:12,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:44:16,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.73s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:44:17,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:44:19,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:44:25,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.41s for a HTC check with result VALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:44:30,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.96s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:44:30,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:44:30,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 28 states and 59 transitions. [2024-11-09 00:44:30,197 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 59 transitions. [2024-11-09 00:44:30,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:44:30,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:44:30,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:44:30,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7e6a35-1219-41af-93c0-eaef4a243134/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:44:30,202 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7e6a35-1219-41af-93c0-eaef4a243134/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:44:30,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7e6a35-1219-41af-93c0-eaef4a243134/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 00:45:09,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:45:09,299 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:45:42,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat