./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a599-d8bd-4827-937d-ef8faf350aa3/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a599-d8bd-4827-937d-ef8faf350aa3/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_72d6a599-d8bd-4827-937d-ef8faf350aa3/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a599-d8bd-4827-937d-ef8faf350aa3/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a599-d8bd-4827-937d-ef8faf350aa3/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_72d6a599-d8bd-4827-937d-ef8faf350aa3/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 44eacf12db4e9e03ae896c491542075bfb298656743b3655ef171492d8e9e317 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:42:47,393 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:42:47,511 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a599-d8bd-4827-937d-ef8faf350aa3/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:42:47,518 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:42:47,519 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:42:47,547 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:42:47,548 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:42:47,548 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:42:47,550 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:42:47,552 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:42:47,552 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:42:47,553 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:42:47,553 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:42:47,553 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:42:47,554 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:42:47,554 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:42:47,554 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:42:47,554 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:42:47,559 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:42:47,559 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:42:47,559 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:42:47,561 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:42:47,561 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:42:47,562 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:42:47,562 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:42:47,562 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:42:47,562 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:42:47,563 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:42:47,563 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:42:47,563 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:42:47,563 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:42:47,563 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:42:47,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:42:47,564 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_72d6a599-d8bd-4827-937d-ef8faf350aa3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a599-d8bd-4827-937d-ef8faf350aa3/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44eacf12db4e9e03ae896c491542075bfb298656743b3655ef171492d8e9e317 [2024-11-08 23:42:47,887 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:42:47,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:42:47,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:42:47,926 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:42:47,927 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:42:47,928 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a599-d8bd-4827-937d-ef8faf350aa3/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i Unable to find full path for "g++" [2024-11-08 23:42:49,886 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:42:50,090 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:42:50,091 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a599-d8bd-4827-937d-ef8faf350aa3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i [2024-11-08 23:42:50,099 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a599-d8bd-4827-937d-ef8faf350aa3/bin/ukojak-verify-ImItNfHLgk/data/ea60e09e8/d6f4704e419f475ca7b6f132c70fba7c/FLAG4c1933d0d [2024-11-08 23:42:50,472 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a599-d8bd-4827-937d-ef8faf350aa3/bin/ukojak-verify-ImItNfHLgk/data/ea60e09e8/d6f4704e419f475ca7b6f132c70fba7c [2024-11-08 23:42:50,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:42:50,476 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:42:50,478 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:42:50,478 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:42:50,485 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:42:50,485 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:42:50" (1/1) ... [2024-11-08 23:42:50,486 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ca1221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:50, skipping insertion in model container [2024-11-08 23:42:50,487 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:42:50" (1/1) ... [2024-11-08 23:42:50,524 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:42:50,728 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_72d6a599-d8bd-4827-937d-ef8faf350aa3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i[915,928] [2024-11-08 23:42:50,771 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:42:50,783 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:42:50,807 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_72d6a599-d8bd-4827-937d-ef8faf350aa3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i[915,928] [2024-11-08 23:42:50,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:42:50,861 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:42:50,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:50 WrapperNode [2024-11-08 23:42:50,861 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:42:50,863 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:42:50,863 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:42:50,863 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:42:50,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:50" (1/1) ... [2024-11-08 23:42:50,896 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:50" (1/1) ... [2024-11-08 23:42:50,922 INFO L138 Inliner]: procedures = 26, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 94 [2024-11-08 23:42:50,926 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:42:50,927 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:42:50,927 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:42:50,927 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:42:50,939 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:50" (1/1) ... [2024-11-08 23:42:50,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:50" (1/1) ... [2024-11-08 23:42:50,941 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:50" (1/1) ... [2024-11-08 23:42:50,941 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:50" (1/1) ... [2024-11-08 23:42:50,946 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:50" (1/1) ... [2024-11-08 23:42:50,949 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:50" (1/1) ... [2024-11-08 23:42:50,951 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:50" (1/1) ... [2024-11-08 23:42:50,952 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:50" (1/1) ... [2024-11-08 23:42:50,954 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:42:50,955 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:42:50,955 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:42:50,955 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:42:50,956 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:50" (1/1) ... [2024-11-08 23:42:50,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:42:50,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a599-d8bd-4827-937d-ef8faf350aa3/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:42:50,996 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a599-d8bd-4827-937d-ef8faf350aa3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:42:50,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a599-d8bd-4827-937d-ef8faf350aa3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:42:51,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:42:51,026 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:42:51,026 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:42:51,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:42:51,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:42:51,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:42:51,090 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:42:51,091 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:42:51,295 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-08 23:42:51,295 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:42:51,458 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:42:51,459 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:42:51,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:42:51 BoogieIcfgContainer [2024-11-08 23:42:51,459 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:42:51,460 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:42:51,461 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:42:51,475 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:42:51,475 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:42:51" (1/1) ... [2024-11-08 23:42:51,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:42:51,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:51,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2024-11-08 23:42:51,550 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2024-11-08 23:42:51,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 23:42:51,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:51,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:42:51,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:42:51,846 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:42:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:42:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:42:52,217 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:42:52,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:42:52,300 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:42:52,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:42:52 ImpRootNode [2024-11-08 23:42:52,373 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:42:52,374 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:42:52,374 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:42:52,374 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:42:52,376 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:42:51" (3/4) ... [2024-11-08 23:42:52,379 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:42:52,380 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:42:52,381 INFO L158 Benchmark]: Toolchain (without parser) took 1905.53ms. Allocated memory is still 146.8MB. Free memory was 114.0MB in the beginning and 53.5MB in the end (delta: 60.5MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. [2024-11-08 23:42:52,382 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:42:52,383 INFO L158 Benchmark]: CACSL2BoogieTranslator took 384.03ms. Allocated memory is still 146.8MB. Free memory was 114.0MB in the beginning and 117.2MB in the end (delta: -3.2MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2024-11-08 23:42:52,383 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.55ms. Allocated memory is still 146.8MB. Free memory was 117.2MB in the beginning and 115.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:42:52,385 INFO L158 Benchmark]: Boogie Preprocessor took 27.62ms. Allocated memory is still 146.8MB. Free memory was 115.2MB in the beginning and 114.3MB in the end (delta: 928.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:42:52,386 INFO L158 Benchmark]: RCFGBuilder took 504.63ms. Allocated memory is still 146.8MB. Free memory was 114.3MB in the beginning and 91.2MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 23:42:52,387 INFO L158 Benchmark]: CodeCheck took 912.73ms. Allocated memory is still 146.8MB. Free memory was 91.2MB in the beginning and 54.4MB in the end (delta: 36.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-08 23:42:52,388 INFO L158 Benchmark]: Witness Printer took 6.95ms. Allocated memory is still 146.8MB. Free memory is still 53.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:42:52,391 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 49, overapproximation of someUnaryDOUBLEoperation at line 24, overapproximation of someBinaryDOUBLEComparisonOperation at line 37, overapproximation of someUnaryFLOAToperation at line 49, overapproximation of someBinaryArithmeticFLOAToperation at line 49. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 24.575; [L23] double var_1_8 = 128.5; [L24] float var_1_9 = -0.5; [L25] float var_1_10 = 200.4; [L26] unsigned long int var_1_11 = 4; [L27] unsigned char var_1_12 = 1; [L28] unsigned long int var_1_13 = 3607105345; [L29] signed char var_1_14 = 0; [L30] signed char var_1_15 = 0; [L31] signed char var_1_16 = 16; [L32] double last_1_var_1_1 = 24.575; [L33] float last_1_var_1_9 = -0.5; [L85] isInitial = 1 [L86] FCALL initially() [L87] int k_loop; [L88] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_1=983/40, var_1_10=1002/5, var_1_11=4, var_1_12=1, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_8=257/2] [L88] COND FALSE !(k_loop < 1) VAL [isInitial=1, k_loop=0, last_1_var_1_1=983/40, var_1_10=1002/5, var_1_11=4, var_1_12=1, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_8=257/2] [L88] COND TRUE k_loop < 1 [L89] CALL updateLastVariables() [L77] last_1_var_1_1 = var_1_1 [L78] last_1_var_1_9 = var_1_9 [L89] RET updateLastVariables() [L90] CALL updateVariables() [L59] var_1_8 = __VERIFIER_nondet_double() [L60] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_10=1002/5, var_1_11=4, var_1_12=1, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L20] COND FALSE !(!cond) [L60] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_10=1002/5, var_1_11=4, var_1_12=1, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L61] var_1_10 = __VERIFIER_nondet_float() [L62] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L63] var_1_12 = __VERIFIER_nondet_uchar() [L64] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L65] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L66] var_1_13 = __VERIFIER_nondet_ulong() [L67] CALL assume_abort_if_not(var_1_13 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_13 >= 2147483647) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L68] CALL assume_abort_if_not(var_1_13 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_13 <= 4294967294) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L69] var_1_15 = __VERIFIER_nondet_char() [L70] CALL assume_abort_if_not(var_1_15 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_15 >= -1) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L71] CALL assume_abort_if_not(var_1_15 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_15 <= 126) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L72] var_1_16 = __VERIFIER_nondet_char() [L73] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=0, var_1_1=983/40, var_1_9=2] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=0, var_1_1=983/40, var_1_9=2] [L74] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=0, var_1_1=983/40, var_1_9=2] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=0, var_1_1=983/40, var_1_9=2] [L90] RET updateVariables() [L91] CALL step() [L37] COND TRUE ((((last_1_var_1_9) > (last_1_var_1_9)) ? (last_1_var_1_9) : (last_1_var_1_9))) >= last_1_var_1_1 [L38] COND TRUE \read(var_1_12) [L39] var_1_14 = (var_1_15 - var_1_16) [L44] COND TRUE \read(var_1_12) [L45] var_1_11 = ((((var_1_14) < (var_1_14)) ? (var_1_14) : (var_1_14))) [L49] var_1_9 = ((((var_1_10 - ((((10000.4f) < 0 ) ? -(10000.4f) : (10000.4f)))) < 0 ) ? -(var_1_10 - ((((10000.4f) < 0 ) ? -(10000.4f) : (10000.4f)))) : (var_1_10 - ((((10000.4f) < 0 ) ? -(10000.4f) : (10000.4f)))))) [L50] COND TRUE var_1_9 <= var_1_9 [L51] COND TRUE (var_1_11 + var_1_11) >= (var_1_14 + var_1_14) [L52] var_1_1 = var_1_8 [L91] RET step() [L92] CALL, EXPR property() [L81-L82] return ((((var_1_9 <= var_1_9) ? (((var_1_11 + var_1_11) >= (var_1_14 + var_1_14)) ? (var_1_1 == ((double) var_1_8)) : 1) : (var_1_1 == ((double) var_1_8))) && (var_1_9 == ((float) ((((var_1_10 - ((((10000.4f) < 0 ) ? -(10000.4f) : (10000.4f)))) < 0 ) ? -(var_1_10 - ((((10000.4f) < 0 ) ? -(10000.4f) : (10000.4f)))) : (var_1_10 - ((((10000.4f) < 0 ) ? -(10000.4f) : (10000.4f))))))))) && (var_1_12 ? (var_1_11 == ((unsigned long int) ((((var_1_14) < (var_1_14)) ? (var_1_14) : (var_1_14))))) : (var_1_11 == ((unsigned long int) ((((var_1_14) > ((var_1_13 - (var_1_14 + 32u)))) ? (var_1_14) : ((var_1_13 - (var_1_14 + 32u))))))))) && ((((((last_1_var_1_9) > (last_1_var_1_9)) ? (last_1_var_1_9) : (last_1_var_1_9))) >= last_1_var_1_1) ? (var_1_12 ? (var_1_14 == ((signed char) (var_1_15 - var_1_16))) : 1) : (var_1_14 == ((signed char) var_1_15))) ; [L92] RET, EXPR property() [L92] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=0, var_1_12=1, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=0, var_1_1=3, var_1_8=3, var_1_9=4] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=0, var_1_12=1, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=0, var_1_1=3, var_1_8=3, var_1_9=4] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 384.03ms. Allocated memory is still 146.8MB. Free memory was 114.0MB in the beginning and 117.2MB in the end (delta: -3.2MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.55ms. Allocated memory is still 146.8MB. Free memory was 117.2MB in the beginning and 115.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.62ms. Allocated memory is still 146.8MB. Free memory was 115.2MB in the beginning and 114.3MB in the end (delta: 928.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 504.63ms. Allocated memory is still 146.8MB. Free memory was 114.3MB in the beginning and 91.2MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 912.73ms. Allocated memory is still 146.8MB. Free memory was 91.2MB in the beginning and 54.4MB in the end (delta: 36.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 6.95ms. Allocated memory is still 146.8MB. Free memory is still 53.5MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:42:52,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a599-d8bd-4827-937d-ef8faf350aa3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a599-d8bd-4827-937d-ef8faf350aa3/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a599-d8bd-4827-937d-ef8faf350aa3/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_72d6a599-d8bd-4827-937d-ef8faf350aa3/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a599-d8bd-4827-937d-ef8faf350aa3/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a599-d8bd-4827-937d-ef8faf350aa3/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_72d6a599-d8bd-4827-937d-ef8faf350aa3/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 44eacf12db4e9e03ae896c491542075bfb298656743b3655ef171492d8e9e317 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:42:54,904 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:42:55,003 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a599-d8bd-4827-937d-ef8faf350aa3/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:42:55,052 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:42:55,053 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:42:55,053 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:42:55,054 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:42:55,054 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:42:55,055 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:42:55,056 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:42:55,056 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:42:55,057 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:42:55,057 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:42:55,057 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:42:55,058 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:42:55,058 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:42:55,059 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:42:55,059 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:42:55,059 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:42:55,060 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:42:55,060 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:42:55,061 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:42:55,061 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:42:55,061 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:42:55,062 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:42:55,062 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:42:55,063 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:55,063 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:42:55,063 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:42:55,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:42:55,064 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:42:55,064 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:42:55,065 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:42:55,065 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:42:55,065 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:55,066 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:42:55,066 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_72d6a599-d8bd-4827-937d-ef8faf350aa3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a599-d8bd-4827-937d-ef8faf350aa3/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44eacf12db4e9e03ae896c491542075bfb298656743b3655ef171492d8e9e317 [2024-11-08 23:42:55,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:42:55,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:42:55,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:42:55,524 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:42:55,526 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:42:55,528 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a599-d8bd-4827-937d-ef8faf350aa3/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i Unable to find full path for "g++" [2024-11-08 23:42:57,553 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:42:57,756 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:42:57,756 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a599-d8bd-4827-937d-ef8faf350aa3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i [2024-11-08 23:42:57,767 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a599-d8bd-4827-937d-ef8faf350aa3/bin/ukojak-verify-ImItNfHLgk/data/65a7a4037/36a4f89f8c6f4784ba20e0f29be45425/FLAG9888375d1 [2024-11-08 23:42:57,790 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a599-d8bd-4827-937d-ef8faf350aa3/bin/ukojak-verify-ImItNfHLgk/data/65a7a4037/36a4f89f8c6f4784ba20e0f29be45425 [2024-11-08 23:42:57,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:42:57,794 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:42:57,795 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:42:57,795 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:42:57,800 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:42:57,801 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:42:57" (1/1) ... [2024-11-08 23:42:57,803 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1703dfbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:57, skipping insertion in model container [2024-11-08 23:42:57,803 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:42:57" (1/1) ... [2024-11-08 23:42:57,828 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:42:58,075 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_72d6a599-d8bd-4827-937d-ef8faf350aa3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i[915,928] [2024-11-08 23:42:58,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:42:58,161 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:42:58,176 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_72d6a599-d8bd-4827-937d-ef8faf350aa3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i[915,928] [2024-11-08 23:42:58,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:42:58,236 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:42:58,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:58 WrapperNode [2024-11-08 23:42:58,237 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:42:58,238 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:42:58,239 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:42:58,239 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:42:58,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:58" (1/1) ... [2024-11-08 23:42:58,265 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:58" (1/1) ... [2024-11-08 23:42:58,300 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 92 [2024-11-08 23:42:58,301 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:42:58,301 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:42:58,302 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:42:58,302 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:42:58,313 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:58" (1/1) ... [2024-11-08 23:42:58,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:58" (1/1) ... [2024-11-08 23:42:58,318 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:58" (1/1) ... [2024-11-08 23:42:58,318 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:58" (1/1) ... [2024-11-08 23:42:58,326 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:58" (1/1) ... [2024-11-08 23:42:58,329 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:58" (1/1) ... [2024-11-08 23:42:58,331 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:58" (1/1) ... [2024-11-08 23:42:58,333 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:58" (1/1) ... [2024-11-08 23:42:58,336 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:42:58,337 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:42:58,337 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:42:58,337 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:42:58,338 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:58" (1/1) ... [2024-11-08 23:42:58,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:42:58,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a599-d8bd-4827-937d-ef8faf350aa3/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:42:58,369 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a599-d8bd-4827-937d-ef8faf350aa3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:42:58,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a599-d8bd-4827-937d-ef8faf350aa3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:42:58,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:42:58,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:42:58,409 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:42:58,409 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:42:58,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:42:58,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:42:58,518 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:42:58,521 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:42:59,261 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-08 23:42:59,261 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:42:59,415 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:42:59,415 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:42:59,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:42:59 BoogieIcfgContainer [2024-11-08 23:42:59,416 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:42:59,417 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:42:59,417 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:42:59,428 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:42:59,429 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:42:59" (1/1) ... [2024-11-08 23:42:59,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:42:59,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:59,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2024-11-08 23:42:59,509 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2024-11-08 23:42:59,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 23:42:59,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:59,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:59,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a599-d8bd-4827-937d-ef8faf350aa3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:59,520 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a599-d8bd-4827-937d-ef8faf350aa3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:59,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a599-d8bd-4827-937d-ef8faf350aa3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:43:00,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:00,370 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:00,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:00,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 23:43:00,665 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:12,341 WARN L286 SmtUtils]: Spent 5.92s on a formula simplification. DAG size of input: 644 DAG size of output: 478 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 23:51:22,439 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 20 proven. 21 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:51:22,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a599-d8bd-4827-937d-ef8faf350aa3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:51:26,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:26,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 48 states and 89 transitions. [2024-11-08 23:51:26,661 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 89 transitions. [2024-11-08 23:51:26,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-08 23:51:26,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:26,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:26,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a599-d8bd-4827-937d-ef8faf350aa3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:26,668 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a599-d8bd-4827-937d-ef8faf350aa3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:26,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a599-d8bd-4827-937d-ef8faf350aa3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:51:27,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:27,418 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:27,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:27,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 23:51:27,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:27,790 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 218 proven. 1 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-08 23:51:27,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a599-d8bd-4827-937d-ef8faf350aa3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 23:51:34,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:34,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 69 states and 124 transitions. [2024-11-08 23:51:34,619 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 124 transitions. [2024-11-08 23:51:34,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-08 23:51:34,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:34,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:34,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a599-d8bd-4827-937d-ef8faf350aa3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:34,628 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a599-d8bd-4827-937d-ef8faf350aa3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:34,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a599-d8bd-4827-937d-ef8faf350aa3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 23:51:35,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:35,614 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:35,749 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 23:51:35,754 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:35,882 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 439 proven. 1 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2024-11-08 23:51:35,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a599-d8bd-4827-937d-ef8faf350aa3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 23:51:36,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:36,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 27 states and 36 transitions. [2024-11-08 23:51:36,576 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-11-08 23:51:36,576 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 23:51:36,577 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2024-11-08 23:51:36,586 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 23:51:37,822 INFO L77 FloydHoareUtils]: At program point L64(line 64) the Hoare annotation is: true [2024-11-08 23:51:37,823 INFO L77 FloydHoareUtils]: At program point L64-1(line 64) the Hoare annotation is: true [2024-11-08 23:51:37,823 INFO L77 FloydHoareUtils]: At program point L60(line 60) the Hoare annotation is: true [2024-11-08 23:51:37,823 INFO L77 FloydHoareUtils]: At program point L60-1(line 60) the Hoare annotation is: true [2024-11-08 23:51:37,823 INFO L77 FloydHoareUtils]: At program point L19(line 19) the Hoare annotation is: true [2024-11-08 23:51:37,824 INFO L77 FloydHoareUtils]: At program point L19-1(line 19) the Hoare annotation is: true [2024-11-08 23:51:37,824 INFO L77 FloydHoareUtils]: At program point L19-3(line 19) the Hoare annotation is: true [2024-11-08 23:51:37,824 INFO L77 FloydHoareUtils]: At program point L73(line 73) the Hoare annotation is: true [2024-11-08 23:51:37,824 INFO L77 FloydHoareUtils]: At program point L73-1(line 73) the Hoare annotation is: true [2024-11-08 23:51:37,825 INFO L77 FloydHoareUtils]: At program point L65(line 65) the Hoare annotation is: true [2024-11-08 23:51:37,825 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) the Hoare annotation is: true [2024-11-08 23:51:37,825 INFO L77 FloydHoareUtils]: At program point L74(lines 58 75) the Hoare annotation is: true [2024-11-08 23:51:37,825 INFO L77 FloydHoareUtils]: At program point L70(line 70) the Hoare annotation is: true [2024-11-08 23:51:37,826 INFO L77 FloydHoareUtils]: At program point L70-1(line 70) the Hoare annotation is: true [2024-11-08 23:51:37,826 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 23:51:37,826 INFO L77 FloydHoareUtils]: At program point L62(line 62) the Hoare annotation is: true [2024-11-08 23:51:37,826 INFO L77 FloydHoareUtils]: At program point L62-1(line 62) the Hoare annotation is: true [2024-11-08 23:51:37,826 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 23:51:37,827 INFO L77 FloydHoareUtils]: At program point L71(line 71) the Hoare annotation is: true [2024-11-08 23:51:37,827 INFO L77 FloydHoareUtils]: At program point L67(line 67) the Hoare annotation is: true [2024-11-08 23:51:37,827 INFO L77 FloydHoareUtils]: At program point L67-1(line 67) the Hoare annotation is: true [2024-11-08 23:51:37,827 INFO L77 FloydHoareUtils]: At program point L88-1(lines 88 94) the Hoare annotation is: true [2024-11-08 23:51:37,827 INFO L77 FloydHoareUtils]: At program point L88-3(lines 88 94) the Hoare annotation is: true [2024-11-08 23:51:37,828 INFO L77 FloydHoareUtils]: At program point L88-4(lines 88 94) the Hoare annotation is: true [2024-11-08 23:51:37,828 INFO L77 FloydHoareUtils]: At program point L68(line 68) the Hoare annotation is: true [2024-11-08 23:51:37,828 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2024-11-08 23:51:37,828 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(line 20) the Hoare annotation is: true [2024-11-08 23:51:37,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:51:37 ImpRootNode [2024-11-08 23:51:37,846 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:51:37,847 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:51:37,847 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:51:37,847 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:51:37,848 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:42:59" (3/4) ... [2024-11-08 23:51:37,854 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 23:51:37,859 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-08 23:51:37,867 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2024-11-08 23:51:37,867 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-08 23:51:37,867 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 23:51:37,868 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 23:51:38,047 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a599-d8bd-4827-937d-ef8faf350aa3/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:51:38,048 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a599-d8bd-4827-937d-ef8faf350aa3/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 23:51:38,048 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:51:38,049 INFO L158 Benchmark]: Toolchain (without parser) took 520255.10ms. Allocated memory was 62.9MB in the beginning and 761.3MB in the end (delta: 698.4MB). Free memory was 33.1MB in the beginning and 729.0MB in the end (delta: -695.9MB). Peak memory consumption was 322.6MB. Max. memory is 16.1GB. [2024-11-08 23:51:38,049 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 62.9MB. Free memory was 38.7MB in the beginning and 38.6MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:51:38,050 INFO L158 Benchmark]: CACSL2BoogieTranslator took 442.47ms. Allocated memory is still 62.9MB. Free memory was 32.9MB in the beginning and 33.6MB in the end (delta: -691.8kB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2024-11-08 23:51:38,050 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.69ms. Allocated memory is still 62.9MB. Free memory was 33.6MB in the beginning and 31.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:51:38,054 INFO L158 Benchmark]: Boogie Preprocessor took 34.68ms. Allocated memory is still 62.9MB. Free memory was 31.6MB in the beginning and 29.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:51:38,055 INFO L158 Benchmark]: RCFGBuilder took 1079.12ms. Allocated memory was 62.9MB in the beginning and 90.2MB in the end (delta: 27.3MB). Free memory was 29.6MB in the beginning and 49.2MB in the end (delta: -19.6MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2024-11-08 23:51:38,055 INFO L158 Benchmark]: CodeCheck took 518429.63ms. Allocated memory was 90.2MB in the beginning and 761.3MB in the end (delta: 671.1MB). Free memory was 48.9MB in the beginning and 412.7MB in the end (delta: -363.9MB). Peak memory consumption was 307.3MB. Max. memory is 16.1GB. [2024-11-08 23:51:38,056 INFO L158 Benchmark]: Witness Printer took 201.35ms. Allocated memory is still 761.3MB. Free memory was 412.7MB in the beginning and 729.0MB in the end (delta: -316.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:51:38,059 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 517.1s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 262 SdHoareTripleChecker+Valid, 14.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 81 mSDsluCounter, 193 SdHoareTripleChecker+Invalid, 13.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 130 mSDsCounter, 157 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 685 IncrementalHoareTripleChecker+Invalid, 842 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 157 mSolverCounterUnsat, 63 mSDtfsCounter, 685 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2008 GetRequests, 1960 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 640 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 502.2s InterpolantComputationTime, 243 NumberOfCodeBlocks, 243 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 240 ConstructedInterpolants, 0 QuantifiedInterpolants, 2135 SizeOfPredicates, 14 NumberOfNonLiveVariables, 480 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 3 InterpolantComputations, 0 PerfectInterpolantSequences, 1394/1417 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (((((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (var_1_10 == \old(var_1_10))) && (var_1_11 == \old(var_1_11))) && (var_1_12 == \old(var_1_12))) && (var_1_13 == \old(var_1_13))) && (var_1_14 == \old(var_1_14))) && (var_1_15 == \old(var_1_15))) && (var_1_16 == \old(var_1_16))) && (last_1_var_1_1 == \old(last_1_var_1_1))) && (last_1_var_1_9 == \old(last_1_var_1_9))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65ms. Allocated memory is still 62.9MB. Free memory was 38.7MB in the beginning and 38.6MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 442.47ms. Allocated memory is still 62.9MB. Free memory was 32.9MB in the beginning and 33.6MB in the end (delta: -691.8kB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.69ms. Allocated memory is still 62.9MB. Free memory was 33.6MB in the beginning and 31.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.68ms. Allocated memory is still 62.9MB. Free memory was 31.6MB in the beginning and 29.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1079.12ms. Allocated memory was 62.9MB in the beginning and 90.2MB in the end (delta: 27.3MB). Free memory was 29.6MB in the beginning and 49.2MB in the end (delta: -19.6MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * CodeCheck took 518429.63ms. Allocated memory was 90.2MB in the beginning and 761.3MB in the end (delta: 671.1MB). Free memory was 48.9MB in the beginning and 412.7MB in the end (delta: -363.9MB). Peak memory consumption was 307.3MB. Max. memory is 16.1GB. * Witness Printer took 201.35ms. Allocated memory is still 761.3MB. Free memory was 412.7MB in the beginning and 729.0MB in the end (delta: -316.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 23:51:38,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a599-d8bd-4827-937d-ef8faf350aa3/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 Writing output log to file Ultimate.log Result: TRUE