./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-84.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_32aded71-803c-4cd3-a427-2b66c1c21d67/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aded71-803c-4cd3-a427-2b66c1c21d67/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_32aded71-803c-4cd3-a427-2b66c1c21d67/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aded71-803c-4cd3-a427-2b66c1c21d67/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-84.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aded71-803c-4cd3-a427-2b66c1c21d67/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_32aded71-803c-4cd3-a427-2b66c1c21d67/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 7e8dd03ff6ba8f306af161cccb833486a1e5ea2d1b42cd2cf566ce58d3c9e67f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:38:14,034 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:38:14,090 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aded71-803c-4cd3-a427-2b66c1c21d67/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 23:38:14,095 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:38:14,095 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:38:14,115 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:38:14,116 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:38:14,116 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:38:14,116 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:38:14,116 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:38:14,116 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:38:14,116 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:38:14,117 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:38:14,117 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:38:14,117 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:38:14,117 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:38:14,117 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:38:14,117 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:38:14,117 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:38:14,117 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:38:14,117 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:38:14,117 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:38:14,117 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:38:14,118 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:38:14,118 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:38:14,118 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:38:14,118 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:38:14,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:38:14,118 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:38:14,118 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:38:14,118 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:38:14,118 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:38:14,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:38:14,119 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_32aded71-803c-4cd3-a427-2b66c1c21d67/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 -> 7e8dd03ff6ba8f306af161cccb833486a1e5ea2d1b42cd2cf566ce58d3c9e67f [2024-12-05 23:38:14,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:38:14,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:38:14,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:38:14,361 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:38:14,361 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:38:14,362 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aded71-803c-4cd3-a427-2b66c1c21d67/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-84.i [2024-12-05 23:38:17,012 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aded71-803c-4cd3-a427-2b66c1c21d67/bin/ukojak-verify-CZk0znPC7b/data/1fb6d7b83/8b07c6275e044a5dbb1bfd07e7df2ea7/FLAG1c0de8d76 [2024-12-05 23:38:17,215 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:38:17,215 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aded71-803c-4cd3-a427-2b66c1c21d67/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-84.i [2024-12-05 23:38:17,221 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aded71-803c-4cd3-a427-2b66c1c21d67/bin/ukojak-verify-CZk0znPC7b/data/1fb6d7b83/8b07c6275e044a5dbb1bfd07e7df2ea7/FLAG1c0de8d76 [2024-12-05 23:38:17,233 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aded71-803c-4cd3-a427-2b66c1c21d67/bin/ukojak-verify-CZk0znPC7b/data/1fb6d7b83/8b07c6275e044a5dbb1bfd07e7df2ea7 [2024-12-05 23:38:17,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:38:17,236 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:38:17,237 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:38:17,237 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:38:17,240 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:38:17,241 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:38:17" (1/1) ... [2024-12-05 23:38:17,242 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fad2f0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:17, skipping insertion in model container [2024-12-05 23:38:17,242 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:38:17" (1/1) ... [2024-12-05 23:38:17,258 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:38:17,390 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_32aded71-803c-4cd3-a427-2b66c1c21d67/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-84.i[915,928] [2024-12-05 23:38:17,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:38:17,443 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:38:17,452 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_32aded71-803c-4cd3-a427-2b66c1c21d67/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-84.i[915,928] [2024-12-05 23:38:17,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:38:17,486 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:38:17,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:17 WrapperNode [2024-12-05 23:38:17,487 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:38:17,488 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:38:17,488 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:38:17,488 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:38:17,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:17" (1/1) ... [2024-12-05 23:38:17,502 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:17" (1/1) ... [2024-12-05 23:38:17,527 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 98 [2024-12-05 23:38:17,527 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:38:17,527 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:38:17,528 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:38:17,528 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:38:17,535 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:17" (1/1) ... [2024-12-05 23:38:17,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:17" (1/1) ... [2024-12-05 23:38:17,537 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:17" (1/1) ... [2024-12-05 23:38:17,537 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:17" (1/1) ... [2024-12-05 23:38:17,544 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:17" (1/1) ... [2024-12-05 23:38:17,546 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:17" (1/1) ... [2024-12-05 23:38:17,549 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:17" (1/1) ... [2024-12-05 23:38:17,550 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:17" (1/1) ... [2024-12-05 23:38:17,551 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:17" (1/1) ... [2024-12-05 23:38:17,554 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:38:17,555 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:38:17,555 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:38:17,555 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:38:17,556 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:17" (1/1) ... [2024-12-05 23:38:17,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:38:17,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aded71-803c-4cd3-a427-2b66c1c21d67/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:38:17,583 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aded71-803c-4cd3-a427-2b66c1c21d67/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:38:17,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aded71-803c-4cd3-a427-2b66c1c21d67/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:38:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:38:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 23:38:17,610 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 23:38:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:38:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:38:17,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:38:17,673 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:38:17,675 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:38:17,884 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-12-05 23:38:17,884 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:38:17,957 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:38:17,958 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:38:17,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:38:17 BoogieIcfgContainer [2024-12-05 23:38:17,958 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:38:17,959 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:38:17,959 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:38:17,967 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:38:17,967 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:38:17" (1/1) ... [2024-12-05 23:38:17,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:38:18,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:38:18,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2024-12-05 23:38:18,021 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2024-12-05 23:38:18,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-12-05 23:38:18,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:38:18,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:38:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:38:18,172 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:38:18,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:38:18,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:38:18,373 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:38:18,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:38:18,437 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 23:38:18,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:38:18 ImpRootNode [2024-12-05 23:38:18,476 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:38:18,476 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:38:18,477 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:38:18,477 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:38:18,477 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:38:17" (3/4) ... [2024-12-05 23:38:18,480 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 23:38:18,481 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:38:18,481 INFO L158 Benchmark]: Toolchain (without parser) took 1245.68ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 102.4MB in the end (delta: 13.8MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2024-12-05 23:38:18,482 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:38:18,482 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.47ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 102.9MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:38:18,483 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.42ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 99.8MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:38:18,483 INFO L158 Benchmark]: Boogie Preprocessor took 27.00ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 98.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:38:18,483 INFO L158 Benchmark]: RCFGBuilder took 402.97ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 73.0MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 23:38:18,484 INFO L158 Benchmark]: CodeCheck took 517.12ms. Allocated memory is still 142.6MB. Free memory was 73.0MB in the beginning and 102.4MB in the end (delta: -29.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:38:18,484 INFO L158 Benchmark]: Witness Printer took 4.20ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 102.4MB in the end (delta: 15.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:38:18,486 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: 0.5s, 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, 44 NumberOfCodeBlocks, 44 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 79, overapproximation of someBinaryFLOATComparisonOperation at line 75, overapproximation of someBinaryFLOATComparisonOperation at line 51, overapproximation of someBinaryFLOATComparisonOperation at line 77. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 128; [L23] unsigned char var_1_4 = 25; [L24] unsigned char var_1_5 = 64; [L25] unsigned char var_1_6 = 8; [L26] unsigned char var_1_7 = 0; [L27] unsigned char var_1_8 = 10; [L28] float var_1_9 = 9.6; [L29] float var_1_10 = 99.08; [L30] float var_1_11 = 63.4; [L31] float var_1_12 = 32.125; [L32] signed long int var_1_13 = -8; [L33] signed short int var_1_14 = -2; [L88] isInitial = 1 [L89] FCALL initially() [L90] int k_loop; [L91] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=25, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=10, var_1_9=48/5] [L91] COND TRUE k_loop < 1 [L92] FCALL updateLastVariables() [L93] CALL updateVariables() [L62] var_1_4 = __VERIFIER_nondet_uchar() [L63] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=10, var_1_9=48/5] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=10, var_1_9=48/5] [L64] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=0, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=10, var_1_9=48/5] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=0, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=10, var_1_9=48/5] [L65] var_1_5 = __VERIFIER_nondet_uchar() [L66] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=0, var_1_6=8, var_1_7=0, var_1_8=10, var_1_9=48/5] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=0, var_1_6=8, var_1_7=0, var_1_8=10, var_1_9=48/5] [L67] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=0, var_1_5=10, var_1_6=8, var_1_7=0, var_1_8=10, var_1_9=48/5] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=0, var_1_5=10, var_1_6=8, var_1_7=0, var_1_8=10, var_1_9=48/5] [L68] var_1_6 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=0, var_1_5=10, var_1_7=0, var_1_8=10, var_1_9=48/5] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=0, var_1_5=10, var_1_7=0, var_1_8=10, var_1_9=48/5] [L70] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=0, var_1_5=10, var_1_6=1, var_1_7=0, var_1_8=10, var_1_9=48/5] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=0, var_1_5=10, var_1_6=1, var_1_7=0, var_1_8=10, var_1_9=48/5] [L71] var_1_7 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=0, var_1_5=10, var_1_6=1, var_1_8=10, var_1_9=48/5] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=0, var_1_5=10, var_1_6=1, var_1_8=10, var_1_9=48/5] [L73] CALL assume_abort_if_not(var_1_7 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=0, var_1_5=10, var_1_6=1, var_1_7=127, var_1_8=10, var_1_9=48/5] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_7 <= 127) VAL [isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=0, var_1_5=10, var_1_6=1, var_1_7=127, var_1_8=10, var_1_9=48/5] [L74] var_1_10 = __VERIFIER_nondet_float() [L75] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=0, var_1_5=10, var_1_6=1, var_1_7=127, var_1_8=10, var_1_9=48/5] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=0, var_1_5=10, var_1_6=1, var_1_7=127, var_1_8=10, var_1_9=48/5] [L76] var_1_11 = __VERIFIER_nondet_float() [L77] CALL assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=0, var_1_5=10, var_1_6=1, var_1_7=127, var_1_8=10, var_1_9=48/5] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=0, var_1_5=10, var_1_6=1, var_1_7=127, var_1_8=10, var_1_9=48/5] [L78] var_1_12 = __VERIFIER_nondet_float() [L79] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=0, var_1_5=10, var_1_6=1, var_1_7=127, var_1_8=10, var_1_9=48/5] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=0, var_1_5=10, var_1_6=1, var_1_7=127, var_1_8=10, var_1_9=48/5] [L93] RET updateVariables() [L94] CALL step() [L37] unsigned char stepLocal_1 = var_1_4; [L38] COND TRUE var_1_5 > stepLocal_1 [L39] var_1_8 = (128 - ((((10) > (var_1_5)) ? (10) : (var_1_5)))) [L41] var_1_13 = var_1_7 [L42] var_1_14 = var_1_7 [L43] signed short int stepLocal_0 = var_1_14; [L44] COND FALSE !(var_1_14 != stepLocal_0) [L47] var_1_1 = ((((((((var_1_4) < (var_1_6)) ? (var_1_4) : (var_1_6)))) < (var_1_7)) ? (((((var_1_4) < (var_1_6)) ? (var_1_4) : (var_1_6)))) : (var_1_7))) [L49] signed long int stepLocal_3 = var_1_13; [L50] unsigned char stepLocal_2 = var_1_1; [L51] COND TRUE (var_1_10 * var_1_11) > 16.75f [L52] COND FALSE !(var_1_7 <= stepLocal_2) [L57] var_1_9 = var_1_12 [L94] RET step() [L95] CALL, EXPR property() [L84-L85] return (((((var_1_14 != var_1_14) ? (var_1_1 == ((unsigned char) (var_1_4 + ((((((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) > (var_1_7)) ? (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) : (var_1_7)))))) : (var_1_1 == ((unsigned char) ((((((((var_1_4) < (var_1_6)) ? (var_1_4) : (var_1_6)))) < (var_1_7)) ? (((((var_1_4) < (var_1_6)) ? (var_1_4) : (var_1_6)))) : (var_1_7)))))) && ((var_1_5 > var_1_4) ? (var_1_8 == ((unsigned char) (128 - ((((10) > (var_1_5)) ? (10) : (var_1_5)))))) : 1)) && (((var_1_10 * var_1_11) > 16.75f) ? ((var_1_7 <= var_1_1) ? ((-8 > var_1_13) ? (var_1_9 == ((float) var_1_12)) : 1) : (var_1_9 == ((float) var_1_12))) : 1)) && (var_1_13 == ((signed long int) var_1_7))) && (var_1_14 == ((signed short int) var_1_7)) ; [L95] RET, EXPR property() [L95] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_12=48/5, var_1_13=127, var_1_14=127, var_1_1=0, var_1_4=0, var_1_5=10, var_1_6=1, var_1_7=127, var_1_8=118, var_1_9=48/5] [L19] reach_error() VAL [isInitial=1, var_1_12=48/5, var_1_13=127, var_1_14=127, var_1_1=0, var_1_4=0, var_1_5=10, var_1_6=1, var_1_7=127, var_1_8=118, var_1_9=48/5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 250.47ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 102.9MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.42ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 99.8MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.00ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 98.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 402.97ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 73.0MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 517.12ms. Allocated memory is still 142.6MB. Free memory was 73.0MB in the beginning and 102.4MB in the end (delta: -29.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.20ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 102.4MB in the end (delta: 15.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 23:38:18,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aded71-803c-4cd3-a427-2b66c1c21d67/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_32aded71-803c-4cd3-a427-2b66c1c21d67/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aded71-803c-4cd3-a427-2b66c1c21d67/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_32aded71-803c-4cd3-a427-2b66c1c21d67/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aded71-803c-4cd3-a427-2b66c1c21d67/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-84.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aded71-803c-4cd3-a427-2b66c1c21d67/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_32aded71-803c-4cd3-a427-2b66c1c21d67/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 7e8dd03ff6ba8f306af161cccb833486a1e5ea2d1b42cd2cf566ce58d3c9e67f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:38:20,380 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:38:20,455 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aded71-803c-4cd3-a427-2b66c1c21d67/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 23:38:20,481 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:38:20,482 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:38:20,482 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:38:20,482 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:38:20,483 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:38:20,483 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:38:20,483 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:38:20,483 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:38:20,483 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:38:20,483 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:38:20,483 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:38:20,483 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:38:20,484 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:38:20,484 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:38:20,484 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:38:20,484 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:38:20,484 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:38:20,484 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:38:20,484 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:38:20,484 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:38:20,484 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:38:20,484 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:38:20,485 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:38:20,485 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:38:20,485 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:38:20,485 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:38:20,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:38:20,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:38:20,485 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:38:20,485 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:38:20,485 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:38:20,485 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:38:20,486 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:38:20,486 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_32aded71-803c-4cd3-a427-2b66c1c21d67/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 -> 7e8dd03ff6ba8f306af161cccb833486a1e5ea2d1b42cd2cf566ce58d3c9e67f [2024-12-05 23:38:20,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:38:20,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:38:20,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:38:20,724 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:38:20,724 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:38:20,725 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aded71-803c-4cd3-a427-2b66c1c21d67/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-84.i [2024-12-05 23:38:23,332 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aded71-803c-4cd3-a427-2b66c1c21d67/bin/ukojak-verify-CZk0znPC7b/data/df1b197c9/789024ebf50c4590b5ce771b3c7bedaa/FLAGcf6aa3945 [2024-12-05 23:38:23,551 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:38:23,552 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aded71-803c-4cd3-a427-2b66c1c21d67/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-84.i [2024-12-05 23:38:23,558 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aded71-803c-4cd3-a427-2b66c1c21d67/bin/ukojak-verify-CZk0znPC7b/data/df1b197c9/789024ebf50c4590b5ce771b3c7bedaa/FLAGcf6aa3945 [2024-12-05 23:38:23,914 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aded71-803c-4cd3-a427-2b66c1c21d67/bin/ukojak-verify-CZk0znPC7b/data/df1b197c9/789024ebf50c4590b5ce771b3c7bedaa [2024-12-05 23:38:23,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:38:23,917 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:38:23,918 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:38:23,918 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:38:23,922 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:38:23,922 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:38:23" (1/1) ... [2024-12-05 23:38:23,923 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e743079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:23, skipping insertion in model container [2024-12-05 23:38:23,923 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:38:23" (1/1) ... [2024-12-05 23:38:23,937 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:38:24,037 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_32aded71-803c-4cd3-a427-2b66c1c21d67/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-84.i[915,928] [2024-12-05 23:38:24,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:38:24,086 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:38:24,095 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_32aded71-803c-4cd3-a427-2b66c1c21d67/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-84.i[915,928] [2024-12-05 23:38:24,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:38:24,125 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:38:24,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:24 WrapperNode [2024-12-05 23:38:24,126 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:38:24,126 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:38:24,127 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:38:24,127 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:38:24,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:24" (1/1) ... [2024-12-05 23:38:24,139 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:24" (1/1) ... [2024-12-05 23:38:24,159 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 98 [2024-12-05 23:38:24,159 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:38:24,160 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:38:24,160 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:38:24,160 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:38:24,165 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:24" (1/1) ... [2024-12-05 23:38:24,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:24" (1/1) ... [2024-12-05 23:38:24,168 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:24" (1/1) ... [2024-12-05 23:38:24,168 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:24" (1/1) ... [2024-12-05 23:38:24,175 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:24" (1/1) ... [2024-12-05 23:38:24,176 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:24" (1/1) ... [2024-12-05 23:38:24,179 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:24" (1/1) ... [2024-12-05 23:38:24,181 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:24" (1/1) ... [2024-12-05 23:38:24,182 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:24" (1/1) ... [2024-12-05 23:38:24,185 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:38:24,186 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:38:24,186 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:38:24,186 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:38:24,187 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:24" (1/1) ... [2024-12-05 23:38:24,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:38:24,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aded71-803c-4cd3-a427-2b66c1c21d67/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:38:24,212 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aded71-803c-4cd3-a427-2b66c1c21d67/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:38:24,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aded71-803c-4cd3-a427-2b66c1c21d67/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:38:24,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:38:24,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:38:24,233 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 23:38:24,233 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 23:38:24,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:38:24,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:38:24,293 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:38:24,294 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:38:25,106 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-12-05 23:38:25,106 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:38:25,189 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:38:25,189 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:38:25,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:38:25 BoogieIcfgContainer [2024-12-05 23:38:25,190 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:38:25,190 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:38:25,190 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:38:25,197 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:38:25,197 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:38:25" (1/1) ... [2024-12-05 23:38:25,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:38:25,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:38:25,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2024-12-05 23:38:25,239 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2024-12-05 23:38:25,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-12-05 23:38:25,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:38:25,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:38:25,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aded71-803c-4cd3-a427-2b66c1c21d67/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:38:25,245 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aded71-803c-4cd3-a427-2b66c1c21d67/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:38:25,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aded71-803c-4cd3-a427-2b66c1c21d67/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:38:25,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:38:25,736 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:38:25,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:38:25,937 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-05 23:38:25,944 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:43:52,703 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 52 proven. 10 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-12-05 23:43:52,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aded71-803c-4cd3-a427-2b66c1c21d67/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:43:53,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:53,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 49 states and 78 transitions. [2024-12-05 23:43:53,746 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 78 transitions. [2024-12-05 23:43:53,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-12-05 23:43:53,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:43:53,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:43:53,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aded71-803c-4cd3-a427-2b66c1c21d67/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:43:53,749 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aded71-803c-4cd3-a427-2b66c1c21d67/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:43:53,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aded71-803c-4cd3-a427-2b66c1c21d67/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 23:43:54,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:54,305 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:43:54,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:54,384 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 23:43:54,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:43:54,502 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 261 proven. 1 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-05 23:43:54,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aded71-803c-4cd3-a427-2b66c1c21d67/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 23:43:56,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:56,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 71 states and 115 transitions. [2024-12-05 23:43:56,654 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 115 transitions. [2024-12-05 23:43:56,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-05 23:43:56,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:43:56,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:43:56,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aded71-803c-4cd3-a427-2b66c1c21d67/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:43:56,659 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aded71-803c-4cd3-a427-2b66c1c21d67/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:43:56,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aded71-803c-4cd3-a427-2b66c1c21d67/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 23:43:57,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:57,358 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:43:57,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:57,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 23:43:57,462 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:43:57,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1117 backedges. 525 proven. 1 refuted. 0 times theorem prover too weak. 591 trivial. 0 not checked. [2024-12-05 23:43:57,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aded71-803c-4cd3-a427-2b66c1c21d67/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 23:43:57,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:57,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 27 states and 37 transitions. [2024-12-05 23:43:57,846 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2024-12-05 23:43:57,847 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 23:43:57,847 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2024-12-05 23:43:57,853 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-05 23:43:58,064 INFO L77 FloydHoareUtils]: At program point L64(line 64) the Hoare annotation is: true [2024-12-05 23:43:58,064 INFO L77 FloydHoareUtils]: At program point L19(line 19) the Hoare annotation is: true [2024-12-05 23:43:58,064 INFO L77 FloydHoareUtils]: At program point L19-1(line 19) the Hoare annotation is: true [2024-12-05 23:43:58,064 INFO L77 FloydHoareUtils]: At program point L19-3(line 19) the Hoare annotation is: true [2024-12-05 23:43:58,064 INFO L77 FloydHoareUtils]: At program point L77(line 77) the Hoare annotation is: true [2024-12-05 23:43:58,064 INFO L77 FloydHoareUtils]: At program point L77-1(line 77) the Hoare annotation is: true [2024-12-05 23:43:58,064 INFO L77 FloydHoareUtils]: At program point L73(line 73) the Hoare annotation is: true [2024-12-05 23:43:58,064 INFO L77 FloydHoareUtils]: At program point L69(line 69) the Hoare annotation is: true [2024-12-05 23:43:58,064 INFO L77 FloydHoareUtils]: At program point L69-1(line 69) the Hoare annotation is: true [2024-12-05 23:43:58,064 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) the Hoare annotation is: true [2024-12-05 23:43:58,064 INFO L77 FloydHoareUtils]: At program point L70(line 70) the Hoare annotation is: true [2024-12-05 23:43:58,064 INFO L77 FloydHoareUtils]: At program point L66(line 66) the Hoare annotation is: true [2024-12-05 23:43:58,065 INFO L77 FloydHoareUtils]: At program point L66-1(line 66) the Hoare annotation is: true [2024-12-05 23:43:58,065 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 23:43:58,065 INFO L77 FloydHoareUtils]: At program point L91-3(lines 91 97) the Hoare annotation is: true [2024-12-05 23:43:58,065 INFO L77 FloydHoareUtils]: At program point L79(line 79) the Hoare annotation is: true [2024-12-05 23:43:58,065 INFO L77 FloydHoareUtils]: At program point L79-1(lines 61 80) the Hoare annotation is: true [2024-12-05 23:43:58,065 INFO L77 FloydHoareUtils]: At program point L75(line 75) the Hoare annotation is: true [2024-12-05 23:43:58,065 INFO L77 FloydHoareUtils]: At program point L75-1(line 75) the Hoare annotation is: true [2024-12-05 23:43:58,065 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 23:43:58,065 INFO L77 FloydHoareUtils]: At program point L67(line 67) the Hoare annotation is: true [2024-12-05 23:43:58,065 INFO L77 FloydHoareUtils]: At program point L63(line 63) the Hoare annotation is: true [2024-12-05 23:43:58,065 INFO L77 FloydHoareUtils]: At program point L63-1(line 63) the Hoare annotation is: true [2024-12-05 23:43:58,065 INFO L77 FloydHoareUtils]: At program point L72(line 72) the Hoare annotation is: true [2024-12-05 23:43:58,065 INFO L77 FloydHoareUtils]: At program point L72-1(line 72) the Hoare annotation is: true [2024-12-05 23:43:58,066 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2024-12-05 23:43:58,066 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(line 20) the Hoare annotation is: true [2024-12-05 23:43:58,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:43:58 ImpRootNode [2024-12-05 23:43:58,075 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:43:58,076 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:43:58,076 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:43:58,076 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:43:58,077 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:38:25" (3/4) ... [2024-12-05 23:43:58,078 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 23:43:58,080 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-05 23:43:58,084 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2024-12-05 23:43:58,084 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-12-05 23:43:58,084 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-05 23:43:58,084 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 23:43:58,141 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aded71-803c-4cd3-a427-2b66c1c21d67/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 23:43:58,141 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aded71-803c-4cd3-a427-2b66c1c21d67/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 23:43:58,141 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:43:58,142 INFO L158 Benchmark]: Toolchain (without parser) took 334225.14ms. Allocated memory was 92.3MB in the beginning and 838.9MB in the end (delta: 746.6MB). Free memory was 69.8MB in the beginning and 797.5MB in the end (delta: -727.8MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2024-12-05 23:43:58,143 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:43:58,143 INFO L158 Benchmark]: CACSL2BoogieTranslator took 208.20ms. Allocated memory is still 92.3MB. Free memory was 69.5MB in the beginning and 56.4MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:43:58,143 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.53ms. Allocated memory is still 92.3MB. Free memory was 56.3MB in the beginning and 54.7MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:43:58,143 INFO L158 Benchmark]: Boogie Preprocessor took 25.55ms. Allocated memory is still 92.3MB. Free memory was 54.7MB in the beginning and 53.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:43:58,143 INFO L158 Benchmark]: RCFGBuilder took 1003.96ms. Allocated memory is still 92.3MB. Free memory was 53.2MB in the beginning and 60.4MB in the end (delta: -7.2MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2024-12-05 23:43:58,144 INFO L158 Benchmark]: CodeCheck took 332885.10ms. Allocated memory was 92.3MB in the beginning and 838.9MB in the end (delta: 746.6MB). Free memory was 60.1MB in the beginning and 802.0MB in the end (delta: -741.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:43:58,144 INFO L158 Benchmark]: Witness Printer took 65.47ms. Allocated memory is still 838.9MB. Free memory was 802.0MB in the beginning and 797.5MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:43:58,146 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: 332.6s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 252 SdHoareTripleChecker+Valid, 4.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 129 mSDsluCounter, 183 SdHoareTripleChecker+Invalid, 4.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 132 mSDsCounter, 157 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 647 IncrementalHoareTripleChecker+Invalid, 804 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 157 mSolverCounterUnsat, 51 mSDtfsCounter, 647 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1925 GetRequests, 1885 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 457 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 327.0s InterpolantComputationTime, 261 NumberOfCodeBlocks, 261 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 534 SizeOfPredicates, 13 NumberOfNonLiveVariables, 504 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 3 InterpolantComputations, 0 PerfectInterpolantSequences, 1697/1709 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (((((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_4 == \old(var_1_4))) && (var_1_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (var_1_10 == \old(var_1_10))) && (var_1_11 == \old(var_1_11))) && (var_1_12 == \old(var_1_12))) && (var_1_13 == \old(var_1_13))) && (var_1_14 == \old(var_1_14))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 208.20ms. Allocated memory is still 92.3MB. Free memory was 69.5MB in the beginning and 56.4MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.53ms. Allocated memory is still 92.3MB. Free memory was 56.3MB in the beginning and 54.7MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.55ms. Allocated memory is still 92.3MB. Free memory was 54.7MB in the beginning and 53.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1003.96ms. Allocated memory is still 92.3MB. Free memory was 53.2MB in the beginning and 60.4MB in the end (delta: -7.2MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. * CodeCheck took 332885.10ms. Allocated memory was 92.3MB in the beginning and 838.9MB in the end (delta: 746.6MB). Free memory was 60.1MB in the beginning and 802.0MB in the end (delta: -741.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 65.47ms. Allocated memory is still 838.9MB. Free memory was 802.0MB in the beginning and 797.5MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-05 23:43:58,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aded71-803c-4cd3-a427-2b66c1c21d67/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 Writing output log to file Ultimate.log Result: TRUE