./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-7.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_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b --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 648d197bd9e5d325bfbd4ba63b1498edcdaa8a19265c026c3c04bed53d00cdaa --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:05:18,469 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:05:18,522 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:05:18,526 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:05:18,527 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:05:18,545 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:05:18,546 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:05:18,546 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:05:18,547 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:05:18,547 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:05:18,547 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:05:18,547 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:05:18,547 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:05:18,547 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:05:18,547 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:05:18,547 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:05:18,548 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:05:18,548 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:05:18,548 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:05:18,548 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:05:18,548 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:05:18,548 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:05:18,548 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:05:18,548 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:05:18,548 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:05:18,548 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:05:18,549 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:05:18,549 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:05:18,549 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:05:18,549 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:05:18,549 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:05:18,549 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:05:18,549 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:05:18,549 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_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b 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 -> 648d197bd9e5d325bfbd4ba63b1498edcdaa8a19265c026c3c04bed53d00cdaa [2024-12-06 05:05:18,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:05:18,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:05:18,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:05:18,761 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:05:18,762 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:05:18,763 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-7.i [2024-12-06 05:05:21,378 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/data/6a8c17fca/a4bd6304fa724798a9a2ebabb03e5f82/FLAG6fe3fc0a8 [2024-12-06 05:05:21,600 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:05:21,601 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-7.i [2024-12-06 05:05:21,608 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/data/6a8c17fca/a4bd6304fa724798a9a2ebabb03e5f82/FLAG6fe3fc0a8 [2024-12-06 05:05:21,943 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/data/6a8c17fca/a4bd6304fa724798a9a2ebabb03e5f82 [2024-12-06 05:05:21,945 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:05:21,946 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:05:21,947 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:05:21,947 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:05:21,950 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:05:21,950 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:05:21" (1/1) ... [2024-12-06 05:05:21,951 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@109069b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:05:21, skipping insertion in model container [2024-12-06 05:05:21,951 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:05:21" (1/1) ... [2024-12-06 05:05:21,965 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:05:22,069 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_d57636c8-ce50-4c45-b785-93bfd0004e9b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-7.i[914,927] [2024-12-06 05:05:22,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:05:22,109 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:05:22,117 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_d57636c8-ce50-4c45-b785-93bfd0004e9b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-7.i[914,927] [2024-12-06 05:05:22,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:05:22,144 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:05:22,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:05:22 WrapperNode [2024-12-06 05:05:22,145 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:05:22,146 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:05:22,146 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:05:22,146 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:05:22,151 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:05:22" (1/1) ... [2024-12-06 05:05:22,156 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:05:22" (1/1) ... [2024-12-06 05:05:22,177 INFO L138 Inliner]: procedures = 26, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 83 [2024-12-06 05:05:22,177 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:05:22,178 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:05:22,178 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:05:22,178 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:05:22,185 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:05:22" (1/1) ... [2024-12-06 05:05:22,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:05:22" (1/1) ... [2024-12-06 05:05:22,188 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:05:22" (1/1) ... [2024-12-06 05:05:22,188 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:05:22" (1/1) ... [2024-12-06 05:05:22,192 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:05:22" (1/1) ... [2024-12-06 05:05:22,193 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:05:22" (1/1) ... [2024-12-06 05:05:22,196 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:05:22" (1/1) ... [2024-12-06 05:05:22,197 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:05:22" (1/1) ... [2024-12-06 05:05:22,198 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:05:22" (1/1) ... [2024-12-06 05:05:22,200 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:05:22,201 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:05:22,201 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:05:22,201 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:05:22,202 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:05:22" (1/1) ... [2024-12-06 05:05:22,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:05:22,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:05:22,227 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:05:22,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:05:22,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:05:22,251 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 05:05:22,251 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 05:05:22,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:05:22,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:05:22,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:05:22,302 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:05:22,304 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:05:22,460 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-06 05:05:22,460 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:05:22,546 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:05:22,546 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:05:22,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:05:22 BoogieIcfgContainer [2024-12-06 05:05:22,547 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:05:22,547 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:05:22,548 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:05:22,555 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:05:22,555 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:05:22" (1/1) ... [2024-12-06 05:05:22,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:05:22,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:05:22,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-12-06 05:05:22,598 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-12-06 05:05:22,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 05:05:22,602 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:05:22,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:05:22,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:05:22,738 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:05:22,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:05:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:05:22,863 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:05:22,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:05:22,909 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 05:05:22,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:05:22 ImpRootNode [2024-12-06 05:05:22,939 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:05:22,940 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:05:22,940 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:05:22,940 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:05:22,941 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:05:22" (3/4) ... [2024-12-06 05:05:22,943 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 05:05:22,944 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:05:22,945 INFO L158 Benchmark]: Toolchain (without parser) took 998.92ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 58.7MB in the end (delta: 58.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 05:05:22,945 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:05:22,946 INFO L158 Benchmark]: CACSL2BoogieTranslator took 198.75ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 104.4MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:05:22,946 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.61ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 102.7MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:05:22,946 INFO L158 Benchmark]: Boogie Preprocessor took 22.13ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 101.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:05:22,947 INFO L158 Benchmark]: RCFGBuilder took 346.42ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 82.4MB in the end (delta: 19.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:05:22,947 INFO L158 Benchmark]: CodeCheck took 391.51ms. Allocated memory is still 142.6MB. Free memory was 82.4MB in the beginning and 58.9MB in the end (delta: 23.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 05:05:22,947 INFO L158 Benchmark]: Witness Printer took 4.36ms. Allocated memory is still 142.6MB. Free memory was 58.9MB in the beginning and 58.7MB in the end (delta: 190.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:05:22,949 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, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 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 someBinaryFLOATComparisonOperation at line 63, overapproximation of someBinaryFLOATComparisonOperation at line 54, overapproximation of someBinaryFLOATComparisonOperation at line 61, overapproximation of someBinaryFLOATComparisonOperation at line 65, overapproximation of someBinaryDOUBLEComparisonOperation at line 34, overapproximation of someBinaryDOUBLEComparisonOperation at line 70. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] float var_1_2 = 200.875; [L24] float var_1_3 = 8.2; [L25] float var_1_4 = 100000000000.4; [L26] unsigned char var_1_5 = 5; [L27] unsigned long int var_1_6 = 100; [L28] double var_1_9 = 4.6; [L29] double var_1_10 = 2.5; [L30] double last_1_var_1_9 = 4.6; [L80] isInitial = 1 [L81] FCALL initially() [L82] int k_loop; [L83] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_9=23/5, var_1_10=5/2, var_1_1=1, var_1_2=1607/8, var_1_3=41/5, var_1_4=500000000002/5, var_1_5=5, var_1_6=100, var_1_9=23/5] [L83] COND TRUE k_loop < 1 [L84] CALL updateLastVariables() [L73] last_1_var_1_9 = var_1_9 [L84] RET updateLastVariables() [L85] CALL updateVariables() [L60] var_1_2 = __VERIFIER_nondet_float() [L61] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=23/5, var_1_10=5/2, var_1_1=1, var_1_3=41/5, var_1_4=500000000002/5, var_1_5=5, var_1_6=100, var_1_9=23/5] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=23/5, var_1_10=5/2, var_1_1=1, var_1_3=41/5, var_1_4=500000000002/5, var_1_5=5, var_1_6=100, var_1_9=23/5] [L62] var_1_3 = __VERIFIER_nondet_float() [L63] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=23/5, var_1_10=5/2, var_1_1=1, var_1_4=500000000002/5, var_1_5=5, var_1_6=100, var_1_9=23/5] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=23/5, var_1_10=5/2, var_1_1=1, var_1_4=500000000002/5, var_1_5=5, var_1_6=100, var_1_9=23/5] [L64] var_1_4 = __VERIFIER_nondet_float() [L65] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=23/5, var_1_10=5/2, var_1_1=1, var_1_5=5, var_1_6=100, var_1_9=23/5] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=23/5, var_1_10=5/2, var_1_1=1, var_1_5=5, var_1_6=100, var_1_9=23/5] [L66] var_1_5 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=23/5, var_1_10=5/2, var_1_1=1, var_1_6=100, var_1_9=23/5] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_9=23/5, var_1_10=5/2, var_1_1=1, var_1_6=100, var_1_9=23/5] [L68] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=23/5, var_1_10=5/2, var_1_1=1, var_1_5=0, var_1_6=100, var_1_9=23/5] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, last_1_var_1_9=23/5, var_1_10=5/2, var_1_1=1, var_1_5=0, var_1_6=100, var_1_9=23/5] [L69] var_1_10 = __VERIFIER_nondet_double() [L70] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && 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_9=23/5, var_1_1=1, var_1_5=0, var_1_6=100, var_1_9=23/5] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && 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_9=23/5, var_1_1=1, var_1_5=0, var_1_6=100, var_1_9=23/5] [L85] RET updateVariables() [L86] CALL step() [L34] COND FALSE !(! (last_1_var_1_9 <= (var_1_3 - var_1_4))) [L45] var_1_1 = var_1_5 [L47] unsigned char stepLocal_0 = var_1_5; [L48] COND FALSE !(stepLocal_0 < 0) [L51] var_1_6 = ((((((var_1_5) > (var_1_1)) ? (var_1_5) : (var_1_1))) + ((((var_1_1) < 0 ) ? -(var_1_1) : (var_1_1)))) + var_1_1) [L53] COND TRUE var_1_1 <= var_1_6 [L54] COND TRUE var_1_2 >= var_1_3 [L55] var_1_9 = var_1_10 [L86] RET step() [L87] CALL, EXPR property() [L76-L77] return (((! (last_1_var_1_9 <= (var_1_3 - var_1_4))) ? ((last_1_var_1_9 < var_1_3) ? ((! (var_1_3 > last_1_var_1_9)) ? (var_1_1 == ((unsigned char) var_1_5)) : (var_1_1 == ((unsigned char) var_1_5))) : (var_1_1 == ((unsigned char) var_1_5))) : (var_1_1 == ((unsigned char) var_1_5))) && ((var_1_5 < 0) ? (var_1_6 == ((unsigned long int) var_1_5)) : (var_1_6 == ((unsigned long int) ((((((var_1_5) > (var_1_1)) ? (var_1_5) : (var_1_1))) + ((((var_1_1) < 0 ) ? -(var_1_1) : (var_1_1)))) + var_1_1))))) && ((var_1_1 <= var_1_6) ? ((var_1_2 >= var_1_3) ? (var_1_9 == ((double) var_1_10)) : 1) : 1) ; [L87] RET, EXPR property() [L87] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_9=23/5, var_1_10=23/5, var_1_1=0, var_1_5=0, var_1_6=0, var_1_9=23/5] [L19] reach_error() VAL [isInitial=1, last_1_var_1_9=23/5, var_1_10=23/5, var_1_1=0, var_1_5=0, var_1_6=0, var_1_9=23/5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 198.75ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 104.4MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.61ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 102.7MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.13ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 101.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 346.42ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 82.4MB in the end (delta: 19.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 391.51ms. Allocated memory is still 142.6MB. Free memory was 82.4MB in the beginning and 58.9MB in the end (delta: 23.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 4.36ms. Allocated memory is still 142.6MB. Free memory was 58.9MB in the beginning and 58.7MB in the end (delta: 190.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 05:05:22,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/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_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b --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 648d197bd9e5d325bfbd4ba63b1498edcdaa8a19265c026c3c04bed53d00cdaa --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:05:24,885 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:05:24,963 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 05:05:24,989 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:05:24,990 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:05:24,990 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:05:24,990 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:05:24,990 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:05:24,991 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:05:24,991 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:05:24,991 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:05:24,991 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:05:24,991 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:05:24,991 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:05:24,991 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:05:24,991 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:05:24,991 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:05:24,991 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:05:24,992 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:05:24,992 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:05:24,992 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:05:24,992 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:05:24,992 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:05:24,992 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:05:24,992 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:05:24,992 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:05:24,992 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:05:24,992 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:05:24,992 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:05:24,992 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:05:24,993 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:05:24,993 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:05:24,993 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:05:24,993 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:05:24,993 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:05:24,993 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:05:24,993 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_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b 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 -> 648d197bd9e5d325bfbd4ba63b1498edcdaa8a19265c026c3c04bed53d00cdaa [2024-12-06 05:05:25,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:05:25,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:05:25,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:05:25,233 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:05:25,234 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:05:25,235 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-7.i [2024-12-06 05:05:27,929 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/data/0df6f07e0/7acdcf6ff71944a38d71d798e18c1dc4/FLAG461f8b12f [2024-12-06 05:05:28,101 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:05:28,101 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-7.i [2024-12-06 05:05:28,108 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/data/0df6f07e0/7acdcf6ff71944a38d71d798e18c1dc4/FLAG461f8b12f [2024-12-06 05:05:28,121 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/data/0df6f07e0/7acdcf6ff71944a38d71d798e18c1dc4 [2024-12-06 05:05:28,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:05:28,124 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:05:28,125 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:05:28,125 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:05:28,128 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:05:28,129 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:05:28" (1/1) ... [2024-12-06 05:05:28,130 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@633aca5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:05:28, skipping insertion in model container [2024-12-06 05:05:28,130 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:05:28" (1/1) ... [2024-12-06 05:05:28,142 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:05:28,248 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_d57636c8-ce50-4c45-b785-93bfd0004e9b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-7.i[914,927] [2024-12-06 05:05:28,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:05:28,292 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:05:28,300 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_d57636c8-ce50-4c45-b785-93bfd0004e9b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-7.i[914,927] [2024-12-06 05:05:28,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:05:28,329 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:05:28,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:05:28 WrapperNode [2024-12-06 05:05:28,330 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:05:28,331 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:05:28,331 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:05:28,331 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:05:28,335 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:05:28" (1/1) ... [2024-12-06 05:05:28,343 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:05:28" (1/1) ... [2024-12-06 05:05:28,362 INFO L138 Inliner]: procedures = 27, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 83 [2024-12-06 05:05:28,362 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:05:28,363 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:05:28,363 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:05:28,363 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:05:28,368 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:05:28" (1/1) ... [2024-12-06 05:05:28,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:05:28" (1/1) ... [2024-12-06 05:05:28,371 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:05:28" (1/1) ... [2024-12-06 05:05:28,372 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:05:28" (1/1) ... [2024-12-06 05:05:28,378 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:05:28" (1/1) ... [2024-12-06 05:05:28,379 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:05:28" (1/1) ... [2024-12-06 05:05:28,382 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:05:28" (1/1) ... [2024-12-06 05:05:28,384 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:05:28" (1/1) ... [2024-12-06 05:05:28,386 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:05:28" (1/1) ... [2024-12-06 05:05:28,388 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:05:28,389 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:05:28,389 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:05:28,389 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:05:28,390 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:05:28" (1/1) ... [2024-12-06 05:05:28,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:05:28,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:05:28,414 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:05:28,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:05:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:05:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:05:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 05:05:28,437 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 05:05:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:05:28,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:05:28,493 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:05:28,495 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:05:29,247 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-06 05:05:29,247 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:05:29,309 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:05:29,309 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:05:29,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:05:29 BoogieIcfgContainer [2024-12-06 05:05:29,310 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:05:29,311 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:05:29,311 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:05:29,320 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:05:29,320 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:05:29" (1/1) ... [2024-12-06 05:05:29,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:05:29,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:05:29,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-12-06 05:05:29,363 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-12-06 05:05:29,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 05:05:29,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:05:29,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:05:29,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:05:29,368 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:05:29,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:05:29,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:05:29,924 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:05:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:05:30,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:05:30,168 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:08:34,384 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-06 05:08:34,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:08:37,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:08:37,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-12-06 05:08:37,248 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-12-06 05:08:37,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 05:08:37,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:08:37,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:08:37,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:08:37,251 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:08:37,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:08:37,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:08:37,924 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:08:38,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:08:38,213 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:08:38,216 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:11:43,471 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-06 05:11:43,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-12-06 05:11:43,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:43,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-12-06 05:11:43,483 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-12-06 05:11:43,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 05:11:43,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:43,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:11:43,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:11:43,485 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:11:43,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 05:11:44,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:44,005 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:11:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:44,192 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:11:44,194 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:14:55,417 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-06 05:14:55,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-12-06 05:14:55,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:55,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-12-06 05:14:55,426 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-12-06 05:14:55,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 05:14:55,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:55,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:14:55,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:14:55,428 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:14:55,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 05:14:55,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:55,996 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:14:56,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:56,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:14:56,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:18:01,928 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-06 05:18:01,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-12-06 05:18:01,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:01,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-12-06 05:18:01,936 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-12-06 05:18:01,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 05:18:01,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:01,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:18:01,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:18:01,938 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:18:01,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57636c8-ce50-4c45-b785-93bfd0004e9b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 05:18:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:02,454 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:18:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:02,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:18:02,614 INFO L279 TraceCheckSpWp]: Computing forward predicates...