./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-58.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-58.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm --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 9c42f4f2be0dcf024bccd221a1bf3d1e29db98dcd801b03fa6d425f50f1c2522 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:03:23,082 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:03:23,187 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:03:23,193 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:03:23,194 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:03:23,233 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:03:23,235 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:03:23,235 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:03:23,236 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:03:23,236 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:03:23,237 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:03:23,238 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:03:23,238 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:03:23,238 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:03:23,239 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:03:23,239 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:03:23,239 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:03:23,239 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:03:23,239 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:03:23,239 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:03:23,239 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:03:23,239 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:03:23,240 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:03:23,240 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:03:23,240 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:03:23,240 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:03:23,241 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:03:23,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:03:23,241 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:03:23,241 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:03:23,241 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:03:23,241 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:03:23,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:03:23,242 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_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm 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 -> 9c42f4f2be0dcf024bccd221a1bf3d1e29db98dcd801b03fa6d425f50f1c2522 [2024-11-13 21:03:23,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:03:23,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:03:23,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:03:23,613 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:03:23,614 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:03:23,615 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-58.i Unable to find full path for "g++" [2024-11-13 21:03:25,680 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:03:26,088 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:03:26,089 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-58.i [2024-11-13 21:03:26,098 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/data/9168ec8ce/e775d5161cb845cf90c34619df298339/FLAGbe87fb621 [2024-11-13 21:03:26,116 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/data/9168ec8ce/e775d5161cb845cf90c34619df298339 [2024-11-13 21:03:26,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:03:26,120 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:03:26,122 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:03:26,122 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:03:26,128 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:03:26,129 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:03:26" (1/1) ... [2024-11-13 21:03:26,130 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@316ac69e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:26, skipping insertion in model container [2024-11-13 21:03:26,130 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:03:26" (1/1) ... [2024-11-13 21:03:26,151 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:03:26,360 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_86975d7e-6251-47cf-85f9-d82867279cdb/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-58.i[915,928] [2024-11-13 21:03:26,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:03:26,423 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:03:26,434 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_86975d7e-6251-47cf-85f9-d82867279cdb/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-58.i[915,928] [2024-11-13 21:03:26,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:03:26,477 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:03:26,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:26 WrapperNode [2024-11-13 21:03:26,478 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:03:26,479 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:03:26,479 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:03:26,480 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:03:26,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:26" (1/1) ... [2024-11-13 21:03:26,496 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:26" (1/1) ... [2024-11-13 21:03:26,531 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 95 [2024-11-13 21:03:26,532 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:03:26,533 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:03:26,533 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:03:26,533 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:03:26,551 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:26" (1/1) ... [2024-11-13 21:03:26,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:26" (1/1) ... [2024-11-13 21:03:26,554 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:26" (1/1) ... [2024-11-13 21:03:26,554 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:26" (1/1) ... [2024-11-13 21:03:26,565 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:26" (1/1) ... [2024-11-13 21:03:26,577 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:26" (1/1) ... [2024-11-13 21:03:26,579 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:26" (1/1) ... [2024-11-13 21:03:26,584 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:26" (1/1) ... [2024-11-13 21:03:26,591 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:03:26,595 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:03:26,596 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:03:26,596 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:03:26,597 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:26" (1/1) ... [2024-11-13 21:03:26,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:03:26,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:03:26,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:03:26,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:03:26,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:03:26,691 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:03:26,692 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:03:26,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:03:26,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:03:26,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:03:26,783 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:03:26,785 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:03:27,077 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 21:03:27,077 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:03:27,262 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:03:27,262 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:03:27,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:03:27 BoogieIcfgContainer [2024-11-13 21:03:27,263 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:03:27,264 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:03:27,264 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:03:27,276 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:03:27,277 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:03:27" (1/1) ... [2024-11-13 21:03:27,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:03:27,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:03:27,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 21:03:27,355 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 21:03:27,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 21:03:27,364 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:03:27,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:03:27,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:03:27,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:03:27,822 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:03:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:03:27,977 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:03:28,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:03:28 ImpRootNode [2024-11-13 21:03:28,045 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:03:28,046 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:03:28,046 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:03:28,047 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:03:28,048 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:03:27" (3/4) ... [2024-11-13 21:03:28,052 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:03:28,053 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:03:28,055 INFO L158 Benchmark]: Toolchain (without parser) took 1934.16ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 51.8MB in the end (delta: 67.2MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-13 21:03:28,056 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 167.8MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:03:28,057 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.61ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 106.4MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:03:28,059 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.80ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 103.9MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:03:28,060 INFO L158 Benchmark]: Boogie Preprocessor took 62.10ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 102.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:03:28,060 INFO L158 Benchmark]: RCFGBuilder took 667.47ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 77.3MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 21:03:28,061 INFO L158 Benchmark]: CodeCheck took 781.86ms. Allocated memory is still 142.6MB. Free memory was 77.3MB in the beginning and 52.2MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 21:03:28,061 INFO L158 Benchmark]: Witness Printer took 7.38ms. Allocated memory is still 142.6MB. Free memory was 52.2MB in the beginning and 51.8MB in the end (delta: 355.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:03:28,067 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 80, overapproximation of someBinaryFLOATComparisonOperation at line 61, overapproximation of someBinaryArithmeticFLOAToperation at line 40. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 64; [L23] signed long int var_1_2 = 8; [L24] unsigned char var_1_3 = 25; [L25] unsigned char var_1_4 = 100; [L26] float var_1_5 = 99999999999.5; [L27] unsigned char var_1_6 = 4; [L28] float var_1_7 = 63.75; [L29] unsigned char var_1_9 = 0; [L30] unsigned char var_1_10 = 1; [L31] unsigned char last_1_var_1_1 = 64; [L32] unsigned char last_1_var_1_9 = 0; [L94] isInitial = 1 [L95] FCALL initially() [L96] COND TRUE 1 [L97] CALL updateLastVariables() [L86] last_1_var_1_1 = var_1_1 [L87] last_1_var_1_9 = var_1_9 [L97] RET updateLastVariables() [L98] CALL updateVariables() [L66] var_1_2 = __VERIFIER_nondet_long() [L67] CALL assume_abort_if_not(var_1_2 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-255, var_1_3=25, var_1_4=100, var_1_5=199999999999/2, var_1_6=4, var_1_7=255/4, var_1_9=0] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_2 >= -2147483648) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-255, var_1_3=25, var_1_4=100, var_1_5=199999999999/2, var_1_6=4, var_1_7=255/4, var_1_9=0] [L68] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-255, var_1_3=25, var_1_4=100, var_1_5=199999999999/2, var_1_6=4, var_1_7=255/4, var_1_9=0] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-255, var_1_3=25, var_1_4=100, var_1_5=199999999999/2, var_1_6=4, var_1_7=255/4, var_1_9=0] [L69] var_1_3 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-255, var_1_4=100, var_1_5=199999999999/2, var_1_6=4, var_1_7=255/4, var_1_9=0] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-255, var_1_4=100, var_1_5=199999999999/2, var_1_6=4, var_1_7=255/4, var_1_9=0] [L71] CALL assume_abort_if_not(var_1_3 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-255, var_1_3=-448, var_1_4=100, var_1_5=199999999999/2, var_1_6=4, var_1_7=255/4, var_1_9=0] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_3 <= 254) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-255, var_1_3=-448, var_1_4=100, var_1_5=199999999999/2, var_1_6=4, var_1_7=255/4, var_1_9=0] [L72] var_1_4 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_4 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-255, var_1_3=-448, var_1_4=127, var_1_5=199999999999/2, var_1_6=4, var_1_7=255/4, var_1_9=0] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_4 >= 63) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-255, var_1_3=-448, var_1_4=127, var_1_5=199999999999/2, var_1_6=4, var_1_7=255/4, var_1_9=0] [L74] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-255, var_1_3=-448, var_1_4=127, var_1_5=199999999999/2, var_1_6=4, var_1_7=255/4, var_1_9=0] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-255, var_1_3=-448, var_1_4=127, var_1_5=199999999999/2, var_1_6=4, var_1_7=255/4, var_1_9=0] [L75] var_1_6 = __VERIFIER_nondet_uchar() [L76] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-255, var_1_3=-448, var_1_4=127, var_1_5=199999999999/2, var_1_7=255/4, var_1_9=0] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-255, var_1_3=-448, var_1_4=127, var_1_5=199999999999/2, var_1_7=255/4, var_1_9=0] [L77] CALL assume_abort_if_not(var_1_6 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-255, var_1_3=-448, var_1_4=127, var_1_5=199999999999/2, var_1_7=255/4, var_1_9=0] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_6 <= 255) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-255, var_1_3=-448, var_1_4=127, var_1_5=199999999999/2, var_1_7=255/4, var_1_9=0] [L78] CALL assume_abort_if_not(var_1_6 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-255, var_1_3=-448, var_1_4=127, var_1_5=199999999999/2, var_1_6=66, var_1_7=255/4, var_1_9=0] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_6 != 0) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-255, var_1_3=-448, var_1_4=127, var_1_5=199999999999/2, var_1_6=66, var_1_7=255/4, var_1_9=0] [L79] var_1_7 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-255, var_1_3=-448, var_1_4=127, var_1_5=199999999999/2, var_1_6=66, var_1_9=0] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-255, var_1_3=-448, var_1_4=127, var_1_5=199999999999/2, var_1_6=66, var_1_9=0] [L81] var_1_10 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-255, var_1_3=-448, var_1_4=127, var_1_5=199999999999/2, var_1_6=66, var_1_9=0] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-255, var_1_3=-448, var_1_4=127, var_1_5=199999999999/2, var_1_6=66, var_1_9=0] [L83] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-255, var_1_3=-448, var_1_4=127, var_1_5=199999999999/2, var_1_6=66, var_1_9=0] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=64, var_1_2=-255, var_1_3=-448, var_1_4=127, var_1_5=199999999999/2, var_1_6=66, var_1_9=0] [L98] RET updateVariables() [L99] CALL step() [L36] signed long int stepLocal_3 = last_1_var_1_1; [L37] signed long int stepLocal_2 = var_1_3 / var_1_6; [L38] COND FALSE !(var_1_3 < stepLocal_3) [L43] COND FALSE !(\read(last_1_var_1_9)) [L46] var_1_5 = var_1_7 [L49] signed long int stepLocal_1 = var_1_2; [L50] signed long int stepLocal_0 = var_1_2; [L51] COND FALSE !(stepLocal_1 <= -256) [L54] COND FALSE !(var_1_4 <= stepLocal_0) [L57] var_1_1 = var_1_3 [L60] unsigned char stepLocal_4 = (var_1_1 + 64u) != var_1_4; [L61] COND TRUE (var_1_5 >= var_1_7) || stepLocal_4 [L62] var_1_9 = var_1_10 [L99] RET step() [L100] CALL, EXPR property() [L90-L91] return (((var_1_2 <= -256) ? (var_1_1 == ((unsigned char) ((((var_1_3) < (((var_1_4 - 8) + 5))) ? (var_1_3) : (((var_1_4 - 8) + 5)))))) : ((var_1_4 <= var_1_2) ? (var_1_1 == ((unsigned char) var_1_3)) : (var_1_1 == ((unsigned char) var_1_3)))) && ((var_1_3 < last_1_var_1_1) ? ((var_1_4 < (var_1_3 / var_1_6)) ? (var_1_5 == ((float) (var_1_7 - 16.55f))) : 1) : (last_1_var_1_9 ? (var_1_5 == ((float) var_1_7)) : (var_1_5 == ((float) var_1_7))))) && (((var_1_5 >= var_1_7) || ((var_1_1 + 64u) != var_1_4)) ? (var_1_9 == ((unsigned char) var_1_10)) : 1) ; [L100] RET, EXPR property() [L100] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=-448, var_1_2=-255, var_1_3=-448, var_1_4=127, var_1_5=2, var_1_6=66, var_1_7=2, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_9=0, var_1_10=1, var_1_1=-448, var_1_2=-255, var_1_3=-448, var_1_4=127, var_1_5=2, var_1_6=66, var_1_7=2, var_1_9=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 167.8MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.61ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 106.4MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.80ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 103.9MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.10ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 102.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 667.47ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 77.3MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 781.86ms. Allocated memory is still 142.6MB. Free memory was 77.3MB in the beginning and 52.2MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 7.38ms. Allocated memory is still 142.6MB. Free memory was 52.2MB in the beginning and 51.8MB in the end (delta: 355.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:03:28,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/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_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-58.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm --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 9c42f4f2be0dcf024bccd221a1bf3d1e29db98dcd801b03fa6d425f50f1c2522 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:03:31,375 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:03:31,545 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 21:03:31,603 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:03:31,606 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:03:31,606 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:03:31,607 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:03:31,608 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:03:31,608 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:03:31,609 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:03:31,609 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:03:31,609 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:03:31,610 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:03:31,610 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:03:31,611 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:03:31,612 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:03:31,612 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:03:31,612 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:03:31,612 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:03:31,612 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:03:31,612 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:03:31,612 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:03:31,613 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:03:31,613 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:03:31,613 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:03:31,613 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:03:31,613 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:03:31,613 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:03:31,614 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:03:31,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:03:31,614 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:03:31,614 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:03:31,614 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:03:31,614 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:03:31,615 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:03:31,615 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:03:31,615 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_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm 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 -> 9c42f4f2be0dcf024bccd221a1bf3d1e29db98dcd801b03fa6d425f50f1c2522 [2024-11-13 21:03:32,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:03:32,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:03:32,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:03:32,045 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:03:32,046 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:03:32,047 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-58.i Unable to find full path for "g++" [2024-11-13 21:03:34,679 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:03:35,043 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:03:35,045 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-58.i [2024-11-13 21:03:35,062 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/data/314c98d64/e6d4316775f44fd6bedc7b6fe98ea43c/FLAGc294e4a07 [2024-11-13 21:03:35,085 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/data/314c98d64/e6d4316775f44fd6bedc7b6fe98ea43c [2024-11-13 21:03:35,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:03:35,089 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:03:35,092 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:03:35,093 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:03:35,098 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:03:35,099 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:03:35" (1/1) ... [2024-11-13 21:03:35,100 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e3a0854 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:35, skipping insertion in model container [2024-11-13 21:03:35,100 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:03:35" (1/1) ... [2024-11-13 21:03:35,126 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:03:35,298 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_86975d7e-6251-47cf-85f9-d82867279cdb/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-58.i[915,928] [2024-11-13 21:03:35,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:03:35,396 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:03:35,409 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_86975d7e-6251-47cf-85f9-d82867279cdb/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-58.i[915,928] [2024-11-13 21:03:35,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:03:35,470 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:03:35,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:35 WrapperNode [2024-11-13 21:03:35,471 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:03:35,472 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:03:35,472 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:03:35,472 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:03:35,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:35" (1/1) ... [2024-11-13 21:03:35,494 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:35" (1/1) ... [2024-11-13 21:03:35,522 INFO L138 Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 94 [2024-11-13 21:03:35,526 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:03:35,527 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:03:35,527 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:03:35,530 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:03:35,538 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:35" (1/1) ... [2024-11-13 21:03:35,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:35" (1/1) ... [2024-11-13 21:03:35,543 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:35" (1/1) ... [2024-11-13 21:03:35,544 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:35" (1/1) ... [2024-11-13 21:03:35,552 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:35" (1/1) ... [2024-11-13 21:03:35,555 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:35" (1/1) ... [2024-11-13 21:03:35,557 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:35" (1/1) ... [2024-11-13 21:03:35,558 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:35" (1/1) ... [2024-11-13 21:03:35,561 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:03:35,562 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:03:35,562 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:03:35,562 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:03:35,563 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:35" (1/1) ... [2024-11-13 21:03:35,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:03:35,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:03:35,600 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:03:35,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:03:35,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:03:35,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:03:35,626 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:03:35,626 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:03:35,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:03:35,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:03:35,699 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:03:35,701 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:03:36,109 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 21:03:36,110 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:03:36,226 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:03:36,226 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:03:36,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:03:36 BoogieIcfgContainer [2024-11-13 21:03:36,227 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:03:36,228 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:03:36,228 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:03:36,239 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:03:36,239 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:03:36" (1/1) ... [2024-11-13 21:03:36,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:03:36,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:03:36,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 21:03:36,305 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 21:03:36,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 21:03:36,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:03:36,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:03:36,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:03:36,315 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:03:36,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:03:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:36,704 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:03:36,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:36,821 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 21:03:36,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:05:20,513 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 94 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-13 21:05:20,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:05:22,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:05:22,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 48 states and 90 transitions. [2024-11-13 21:05:22,164 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 90 transitions. [2024-11-13 21:05:22,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 21:05:22,167 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:05:22,167 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:05:22,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:05:22,170 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:05:22,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:05:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:05:22,579 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:05:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:05:22,712 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 21:05:22,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:07:02,924 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 94 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-13 21:07:02,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 21:07:03,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:03,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 48 states and 90 transitions. [2024-11-13 21:07:03,087 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 90 transitions. [2024-11-13 21:07:03,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 21:07:03,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:03,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:07:03,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:07:03,093 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:07:03,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:07:03,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:03,416 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:07:03,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:03,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 21:07:03,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:08:45,036 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 94 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-13 21:08:45,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 21:08:50,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:50,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 61 states and 131 transitions. [2024-11-13 21:08:50,055 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 131 transitions. [2024-11-13 21:08:50,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 21:08:50,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:50,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:08:50,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:08:50,061 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:08:50,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 21:08:50,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:50,422 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:08:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:50,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 21:08:50,510 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:10:52,109 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 94 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-13 21:10:52,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 21:10:53,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:10:53,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 61 states and 131 transitions. [2024-11-13 21:10:53,032 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 131 transitions. [2024-11-13 21:10:53,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 21:10:53,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:10:53,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:10:53,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:10:53,039 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:10:53,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 21:10:53,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:10:53,500 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:10:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:10:53,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 21:10:53,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:12:58,997 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 94 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-13 21:12:59,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 21:12:59,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:59,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 61 states and 131 transitions. [2024-11-13 21:12:59,751 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 131 transitions. [2024-11-13 21:12:59,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 21:12:59,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:59,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:12:59,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:12:59,759 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:12:59,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 21:13:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:00,063 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:13:00,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:00,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 21:13:00,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:15:03,738 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 94 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-13 21:15:03,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-13 21:15:04,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:15:04,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 61 states and 131 transitions. [2024-11-13 21:15:04,530 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 131 transitions. [2024-11-13 21:15:04,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 21:15:04,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:15:04,533 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:15:04,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:15:04,536 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:15:04,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 21:15:05,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:15:05,055 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:15:05,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:15:05,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 21:15:05,189 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:16:59,074 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 94 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-13 21:16:59,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 21:16:59,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:59,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 61 states and 131 transitions. [2024-11-13 21:16:59,206 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 131 transitions. [2024-11-13 21:16:59,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 21:16:59,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:59,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:16:59,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:16:59,211 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:16:59,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86975d7e-6251-47cf-85f9-d82867279cdb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 21:16:59,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:59,669 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:16:59,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:59,760 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 21:16:59,763 INFO L278 TraceCheckSpWp]: Computing forward predicates...