./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-0.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d99a35-adfc-4f2b-84a0-7479cfd45a27/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d99a35-adfc-4f2b-84a0-7479cfd45a27/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d99a35-adfc-4f2b-84a0-7479cfd45a27/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d99a35-adfc-4f2b-84a0-7479cfd45a27/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d99a35-adfc-4f2b-84a0-7479cfd45a27/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d99a35-adfc-4f2b-84a0-7479cfd45a27/bin/ukojak-verify-ENZ3QT5qd3 --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 828b6f31ac8b338b9524f85315068e4bc72bfadb1d19ff8ea6318f966a3b277a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:51:33,514 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:51:33,575 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d99a35-adfc-4f2b-84a0-7479cfd45a27/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:51:33,580 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:51:33,580 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:51:33,605 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:51:33,606 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:51:33,606 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:51:33,607 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:51:33,607 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:51:33,607 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:51:33,607 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:51:33,607 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:51:33,607 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:51:33,607 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:51:33,608 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:51:33,608 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:51:33,608 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:51:33,608 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:51:33,608 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:51:33,608 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:51:33,608 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:51:33,608 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:51:33,609 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:51:33,609 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:51:33,609 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:51:33,609 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:51:33,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:51:33,609 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:51:33,609 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:51:33,609 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:51:33,610 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:51:33,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:51:33,610 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_40d99a35-adfc-4f2b-84a0-7479cfd45a27/bin/ukojak-verify-ENZ3QT5qd3 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 -> 828b6f31ac8b338b9524f85315068e4bc72bfadb1d19ff8ea6318f966a3b277a [2024-11-25 02:51:33,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:51:33,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:51:33,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:51:33,962 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:51:33,962 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:51:33,965 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d99a35-adfc-4f2b-84a0-7479cfd45a27/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-0.i [2024-11-25 02:51:37,048 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d99a35-adfc-4f2b-84a0-7479cfd45a27/bin/ukojak-verify-ENZ3QT5qd3/data/a5a529968/71f3575804494201b6d4f648621d3156/FLAGb8a5866ef [2024-11-25 02:51:37,257 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:51:37,258 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d99a35-adfc-4f2b-84a0-7479cfd45a27/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-0.i [2024-11-25 02:51:37,266 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d99a35-adfc-4f2b-84a0-7479cfd45a27/bin/ukojak-verify-ENZ3QT5qd3/data/a5a529968/71f3575804494201b6d4f648621d3156/FLAGb8a5866ef [2024-11-25 02:51:37,282 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d99a35-adfc-4f2b-84a0-7479cfd45a27/bin/ukojak-verify-ENZ3QT5qd3/data/a5a529968/71f3575804494201b6d4f648621d3156 [2024-11-25 02:51:37,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:51:37,289 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:51:37,291 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:51:37,292 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:51:37,297 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:51:37,298 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:51:37" (1/1) ... [2024-11-25 02:51:37,301 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ddea010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:37, skipping insertion in model container [2024-11-25 02:51:37,301 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:51:37" (1/1) ... [2024-11-25 02:51:37,325 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:51:37,507 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_40d99a35-adfc-4f2b-84a0-7479cfd45a27/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-0.i[914,927] [2024-11-25 02:51:37,568 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:51:37,589 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:51:37,605 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_40d99a35-adfc-4f2b-84a0-7479cfd45a27/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-0.i[914,927] [2024-11-25 02:51:37,634 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:51:37,655 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:51:37,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:37 WrapperNode [2024-11-25 02:51:37,656 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:51:37,657 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:51:37,657 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:51:37,657 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:51:37,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:37" (1/1) ... [2024-11-25 02:51:37,676 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:37" (1/1) ... [2024-11-25 02:51:37,706 INFO L138 Inliner]: procedures = 26, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 93 [2024-11-25 02:51:37,706 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:51:37,707 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:51:37,707 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:51:37,707 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:51:37,716 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:37" (1/1) ... [2024-11-25 02:51:37,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:37" (1/1) ... [2024-11-25 02:51:37,718 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:37" (1/1) ... [2024-11-25 02:51:37,719 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:37" (1/1) ... [2024-11-25 02:51:37,731 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:37" (1/1) ... [2024-11-25 02:51:37,732 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:37" (1/1) ... [2024-11-25 02:51:37,740 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:37" (1/1) ... [2024-11-25 02:51:37,745 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:37" (1/1) ... [2024-11-25 02:51:37,746 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:37" (1/1) ... [2024-11-25 02:51:37,748 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:51:37,753 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:51:37,753 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:51:37,753 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:51:37,754 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:37" (1/1) ... [2024-11-25 02:51:37,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:51:37,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d99a35-adfc-4f2b-84a0-7479cfd45a27/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:51:37,803 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d99a35-adfc-4f2b-84a0-7479cfd45a27/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:51:37,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d99a35-adfc-4f2b-84a0-7479cfd45a27/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:51:37,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:51:37,841 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 02:51:37,841 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 02:51:37,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:51:37,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:51:37,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:51:37,914 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:51:37,916 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:51:38,124 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-25 02:51:38,124 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:51:38,338 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:51:38,338 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:51:38,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:51:38 BoogieIcfgContainer [2024-11-25 02:51:38,339 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:51:38,340 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:51:38,340 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:51:38,352 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:51:38,353 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:51:38" (1/1) ... [2024-11-25 02:51:38,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:51:38,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:51:38,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-25 02:51:38,429 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-25 02:51:38,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-25 02:51:38,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:51:38,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:51:38,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:51:38,651 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:51:38,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:51:38,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:51:38,854 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:51:38,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:51:38,954 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 02:51:39,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:51:39 ImpRootNode [2024-11-25 02:51:39,018 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:51:39,020 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:51:39,020 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:51:39,021 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:51:39,022 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:51:38" (3/4) ... [2024-11-25 02:51:39,025 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:51:39,027 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:51:39,029 INFO L158 Benchmark]: Toolchain (without parser) took 1739.65ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 84.6MB in the end (delta: 7.1MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2024-11-25 02:51:39,030 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 83.9MB. Free memory is still 39.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:51:39,030 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.11ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 79.3MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:51:39,033 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.50ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 77.6MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:51:39,033 INFO L158 Benchmark]: Boogie Preprocessor took 41.25ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 76.7MB in the end (delta: 925.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:51:39,034 INFO L158 Benchmark]: RCFGBuilder took 586.33ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 56.1MB in the end (delta: 20.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:51:39,034 INFO L158 Benchmark]: CodeCheck took 678.88ms. Allocated memory is still 117.4MB. Free memory was 55.8MB in the beginning and 85.2MB in the end (delta: -29.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:51:39,034 INFO L158 Benchmark]: Witness Printer took 7.16ms. Allocated memory is still 117.4MB. Free memory was 85.2MB in the beginning and 84.6MB in the end (delta: 619.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:51:39,037 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, 25 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 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, ConComCheckerStatistics: 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 someBinaryArithmeticDOUBLEoperation at line 36, overapproximation of someBinaryFLOATComparisonOperation at line 73, overapproximation of someBinaryFLOATComparisonOperation at line 75, overapproximation of someBinaryFLOATComparisonOperation at line 82, overapproximation of someBinaryFLOATComparisonOperation at line 77, overapproximation of someBinaryDOUBLEComparisonOperation at line 66, overapproximation of someBinaryDOUBLEComparisonOperation at line 38, overapproximation of someBinaryDOUBLEComparisonOperation at line 68, overapproximation of someBinaryArithmeticFLOAToperation at line 53. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 25.8; [L23] unsigned char var_1_2 = 1; [L24] double var_1_3 = 128.2; [L25] double var_1_4 = 15.4; [L26] double var_1_5 = 5.25; [L27] unsigned char var_1_6 = 0; [L28] float var_1_7 = 8.125; [L29] float var_1_8 = 0.4; [L30] float var_1_9 = 499.4; [L31] float var_1_10 = 63.16; [L86] isInitial = 1 [L87] FCALL initially() [L88] int k_loop; [L89] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=1579/25, var_1_1=129/5, var_1_2=1, var_1_3=641/5, var_1_4=77/5, var_1_5=21/4, var_1_6=0, var_1_7=65/8, var_1_8=2/5, var_1_9=2497/5] [L89] COND TRUE k_loop < 1 [L90] FCALL updateLastVariables() [L91] CALL updateVariables() [L62] var_1_2 = __VERIFIER_nondet_uchar() [L63] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1579/25, var_1_1=129/5, var_1_3=641/5, var_1_4=77/5, var_1_5=21/4, var_1_6=0, var_1_7=65/8, var_1_8=2/5, var_1_9=2497/5] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=1579/25, var_1_1=129/5, var_1_3=641/5, var_1_4=77/5, var_1_5=21/4, var_1_6=0, var_1_7=65/8, var_1_8=2/5, var_1_9=2497/5] [L64] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1579/25, var_1_1=129/5, var_1_2=0, var_1_3=641/5, var_1_4=77/5, var_1_5=21/4, var_1_6=0, var_1_7=65/8, var_1_8=2/5, var_1_9=2497/5] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=1579/25, var_1_1=129/5, var_1_2=0, var_1_3=641/5, var_1_4=77/5, var_1_5=21/4, var_1_6=0, var_1_7=65/8, var_1_8=2/5, var_1_9=2497/5] [L65] var_1_3 = __VERIFIER_nondet_double() [L66] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1579/25, var_1_1=129/5, var_1_2=0, var_1_4=77/5, var_1_5=21/4, var_1_6=0, var_1_7=65/8, var_1_8=2/5, var_1_9=2497/5] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1579/25, var_1_1=129/5, var_1_2=0, var_1_4=77/5, var_1_5=21/4, var_1_6=0, var_1_7=65/8, var_1_8=2/5, var_1_9=2497/5] [L67] var_1_4 = __VERIFIER_nondet_double() [L68] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1579/25, var_1_1=129/5, var_1_2=0, var_1_5=21/4, var_1_6=0, var_1_7=65/8, var_1_8=2/5, var_1_9=2497/5] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1579/25, var_1_1=129/5, var_1_2=0, var_1_5=21/4, var_1_6=0, var_1_7=65/8, var_1_8=2/5, var_1_9=2497/5] [L69] var_1_6 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1579/25, var_1_1=129/5, var_1_2=0, var_1_5=21/4, var_1_7=65/8, var_1_8=2/5, var_1_9=2497/5] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=1579/25, var_1_1=129/5, var_1_2=0, var_1_5=21/4, var_1_7=65/8, var_1_8=2/5, var_1_9=2497/5] [L71] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1579/25, var_1_1=129/5, var_1_2=0, var_1_5=21/4, var_1_6=1, var_1_7=65/8, var_1_8=2/5, var_1_9=2497/5] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=1579/25, var_1_1=129/5, var_1_2=0, var_1_5=21/4, var_1_6=1, var_1_7=65/8, var_1_8=2/5, var_1_9=2497/5] [L72] var_1_8 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1579/25, var_1_1=129/5, var_1_2=0, var_1_5=21/4, var_1_6=1, var_1_7=65/8, var_1_9=2497/5] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1579/25, var_1_1=129/5, var_1_2=0, var_1_5=21/4, var_1_6=1, var_1_7=65/8, var_1_9=2497/5] [L74] var_1_9 = __VERIFIER_nondet_float() [L75] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1579/25, var_1_1=129/5, var_1_2=0, var_1_5=21/4, var_1_6=1, var_1_7=65/8] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1579/25, var_1_1=129/5, var_1_2=0, var_1_5=21/4, var_1_6=1, var_1_7=65/8] [L76] var_1_10 = __VERIFIER_nondet_float() [L77] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=129/5, var_1_2=0, var_1_5=21/4, var_1_6=1, var_1_7=65/8] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=129/5, var_1_2=0, var_1_5=21/4, var_1_6=1, var_1_7=65/8] [L91] RET updateVariables() [L92] CALL step() [L35] COND TRUE ! var_1_2 [L36] var_1_1 = (var_1_3 - var_1_4) [L40] unsigned char stepLocal_0 = var_1_4 < var_1_3; [L41] COND FALSE !(stepLocal_0 || var_1_2) [L48] unsigned char stepLocal_1 = var_1_1 <= (var_1_1 + var_1_3); [L49] COND TRUE var_1_2 || stepLocal_1 [L50] var_1_7 = ((((5.5f) < (((((128.4f) > (var_1_3)) ? (128.4f) : (var_1_3))))) ? (5.5f) : (((((128.4f) > (var_1_3)) ? (128.4f) : (var_1_3)))))) [L92] RET step() [L93] CALL, EXPR property() [L82-L83] return (((! var_1_2) ? (var_1_1 == ((double) (var_1_3 - var_1_4))) : (var_1_1 == ((double) ((((16.2) < (var_1_3)) ? (16.2) : (var_1_3)))))) && (((var_1_4 < var_1_3) || var_1_2) ? (var_1_2 ? (var_1_6 ? (var_1_5 == ((double) var_1_3)) : 1) : 1) : 1)) && ((var_1_2 || (var_1_1 <= (var_1_1 + var_1_3))) ? (var_1_7 == ((float) ((((5.5f) < (((((128.4f) > (var_1_3)) ? (128.4f) : (var_1_3))))) ? (5.5f) : (((((128.4f) > (var_1_3)) ? (128.4f) : (var_1_3)))))))) : (var_1_6 ? (var_1_7 == ((float) ((var_1_8 - var_1_9) + var_1_10))) : (var_1_2 ? (var_1_7 == ((float) var_1_9)) : 1))) ; [L93] RET, EXPR property() [L93] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_1=0, var_1_2=0, var_1_3=0, var_1_5=21/4, var_1_6=1, var_1_7=11/2, var_1_9=0] [L19] reach_error() VAL [isInitial=1, var_1_1=0, var_1_2=0, var_1_3=0, var_1_5=21/4, var_1_6=1, var_1_7=11/2, var_1_9=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 83.9MB. Free memory is still 39.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.11ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 79.3MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.50ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 77.6MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.25ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 76.7MB in the end (delta: 925.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 586.33ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 56.1MB in the end (delta: 20.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 678.88ms. Allocated memory is still 117.4MB. Free memory was 55.8MB in the beginning and 85.2MB in the end (delta: -29.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.16ms. Allocated memory is still 117.4MB. Free memory was 85.2MB in the beginning and 84.6MB in the end (delta: 619.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:51:39,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d99a35-adfc-4f2b-84a0-7479cfd45a27/bin/ukojak-verify-ENZ3QT5qd3/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d99a35-adfc-4f2b-84a0-7479cfd45a27/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d99a35-adfc-4f2b-84a0-7479cfd45a27/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d99a35-adfc-4f2b-84a0-7479cfd45a27/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d99a35-adfc-4f2b-84a0-7479cfd45a27/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d99a35-adfc-4f2b-84a0-7479cfd45a27/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d99a35-adfc-4f2b-84a0-7479cfd45a27/bin/ukojak-verify-ENZ3QT5qd3 --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 828b6f31ac8b338b9524f85315068e4bc72bfadb1d19ff8ea6318f966a3b277a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:51:41,959 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:51:42,084 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d99a35-adfc-4f2b-84a0-7479cfd45a27/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 02:51:42,123 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:51:42,124 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:51:42,124 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:51:42,125 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:51:42,125 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:51:42,125 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:51:42,125 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:51:42,125 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:51:42,125 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:51:42,125 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:51:42,125 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:51:42,125 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:51:42,126 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:51:42,126 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:51:42,126 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:51:42,126 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:51:42,126 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:51:42,126 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:51:42,126 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:51:42,127 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:51:42,127 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:51:42,127 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:51:42,127 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:51:42,127 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:51:42,127 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:51:42,127 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:51:42,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:51:42,128 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:51:42,128 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:51:42,128 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:51:42,128 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:51:42,128 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:51:42,128 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:51:42,128 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_40d99a35-adfc-4f2b-84a0-7479cfd45a27/bin/ukojak-verify-ENZ3QT5qd3 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 -> 828b6f31ac8b338b9524f85315068e4bc72bfadb1d19ff8ea6318f966a3b277a [2024-11-25 02:51:42,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:51:42,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:51:42,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:51:42,482 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:51:42,483 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:51:42,484 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d99a35-adfc-4f2b-84a0-7479cfd45a27/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-0.i [2024-11-25 02:51:45,483 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d99a35-adfc-4f2b-84a0-7479cfd45a27/bin/ukojak-verify-ENZ3QT5qd3/data/3e2fd7799/00c386683eaa448c997c1b3df0542f27/FLAGda34f210b [2024-11-25 02:51:45,919 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:51:45,919 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d99a35-adfc-4f2b-84a0-7479cfd45a27/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-0.i [2024-11-25 02:51:45,933 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d99a35-adfc-4f2b-84a0-7479cfd45a27/bin/ukojak-verify-ENZ3QT5qd3/data/3e2fd7799/00c386683eaa448c997c1b3df0542f27/FLAGda34f210b [2024-11-25 02:51:45,960 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d99a35-adfc-4f2b-84a0-7479cfd45a27/bin/ukojak-verify-ENZ3QT5qd3/data/3e2fd7799/00c386683eaa448c997c1b3df0542f27 [2024-11-25 02:51:45,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:51:45,970 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:51:45,972 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:51:45,972 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:51:45,978 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:51:45,980 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:51:45" (1/1) ... [2024-11-25 02:51:45,982 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@627b3e18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:45, skipping insertion in model container [2024-11-25 02:51:45,983 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:51:45" (1/1) ... [2024-11-25 02:51:46,006 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:51:46,215 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_40d99a35-adfc-4f2b-84a0-7479cfd45a27/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-0.i[914,927] [2024-11-25 02:51:46,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:51:46,317 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:51:46,330 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_40d99a35-adfc-4f2b-84a0-7479cfd45a27/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-0.i[914,927] [2024-11-25 02:51:46,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:51:46,385 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:51:46,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:46 WrapperNode [2024-11-25 02:51:46,386 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:51:46,388 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:51:46,388 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:51:46,388 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:51:46,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:46" (1/1) ... [2024-11-25 02:51:46,410 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:46" (1/1) ... [2024-11-25 02:51:46,431 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 93 [2024-11-25 02:51:46,431 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:51:46,432 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:51:46,432 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:51:46,432 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:51:46,440 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:46" (1/1) ... [2024-11-25 02:51:46,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:46" (1/1) ... [2024-11-25 02:51:46,444 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:46" (1/1) ... [2024-11-25 02:51:46,444 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:46" (1/1) ... [2024-11-25 02:51:46,453 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:46" (1/1) ... [2024-11-25 02:51:46,454 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:46" (1/1) ... [2024-11-25 02:51:46,458 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:46" (1/1) ... [2024-11-25 02:51:46,462 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:46" (1/1) ... [2024-11-25 02:51:46,463 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:46" (1/1) ... [2024-11-25 02:51:46,469 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:51:46,473 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:51:46,473 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:51:46,473 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:51:46,474 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:46" (1/1) ... [2024-11-25 02:51:46,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:51:46,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d99a35-adfc-4f2b-84a0-7479cfd45a27/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:51:46,525 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d99a35-adfc-4f2b-84a0-7479cfd45a27/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:51:46,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d99a35-adfc-4f2b-84a0-7479cfd45a27/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:51:46,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:51:46,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:51:46,556 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 02:51:46,556 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 02:51:46,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:51:46,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:51:46,628 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:51:46,630 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:51:50,750 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-25 02:51:50,750 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:51:50,864 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:51:50,864 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:51:50,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:51:50 BoogieIcfgContainer [2024-11-25 02:51:50,865 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:51:50,866 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:51:50,866 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:51:50,879 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:51:50,879 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:51:50" (1/1) ... [2024-11-25 02:51:50,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:51:50,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:51:50,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-25 02:51:50,951 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-25 02:51:50,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-25 02:51:50,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:51:50,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:51:50,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d99a35-adfc-4f2b-84a0-7479cfd45a27/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:51:50,961 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d99a35-adfc-4f2b-84a0-7479cfd45a27/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:51:50,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d99a35-adfc-4f2b-84a0-7479cfd45a27/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:51:52,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:51:52,931 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:52:01,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:52:01,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 02:52:01,712 INFO L279 TraceCheckSpWp]: Computing forward predicates...