./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-7.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c63f534-26a2-4ca9-a917-58b4fd96e60d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c63f534-26a2-4ca9-a917-58b4fd96e60d/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c63f534-26a2-4ca9-a917-58b4fd96e60d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c63f534-26a2-4ca9-a917-58b4fd96e60d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c63f534-26a2-4ca9-a917-58b4fd96e60d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c63f534-26a2-4ca9-a917-58b4fd96e60d/bin/ukojak-verify-G8NBE6pJGL --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 75121fbbd1ed27c28a06b51090ae110a04aef15c4da97bde5134404f888e055a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:21:38,365 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:21:38,474 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c63f534-26a2-4ca9-a917-58b4fd96e60d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:21:38,492 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:21:38,493 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:21:38,530 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:21:38,531 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:21:38,531 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:21:38,532 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:21:38,533 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:21:38,534 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:21:38,534 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:21:38,535 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:21:38,535 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:21:38,536 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:21:38,536 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:21:38,537 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:21:38,538 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:21:38,538 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:21:38,539 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:21:38,539 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:21:38,540 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:21:38,541 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:21:38,541 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:21:38,542 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:21:38,543 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:21:38,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:21:38,544 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:21:38,544 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:21:38,545 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:21:38,545 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:21:38,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:21:38,546 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:21:38,547 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c63f534-26a2-4ca9-a917-58b4fd96e60d/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c63f534-26a2-4ca9-a917-58b4fd96e60d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75121fbbd1ed27c28a06b51090ae110a04aef15c4da97bde5134404f888e055a [2023-11-19 03:21:38,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:21:38,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:21:38,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:21:38,985 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:21:38,986 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:21:38,987 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c63f534-26a2-4ca9-a917-58b4fd96e60d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-7.i [2023-11-19 03:21:42,092 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:21:42,301 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:21:42,302 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c63f534-26a2-4ca9-a917-58b4fd96e60d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-7.i [2023-11-19 03:21:42,311 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c63f534-26a2-4ca9-a917-58b4fd96e60d/bin/ukojak-verify-G8NBE6pJGL/data/c2437e1d0/94b120db88cf4cca9a000cece59aefed/FLAG270422ee1 [2023-11-19 03:21:42,327 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c63f534-26a2-4ca9-a917-58b4fd96e60d/bin/ukojak-verify-G8NBE6pJGL/data/c2437e1d0/94b120db88cf4cca9a000cece59aefed [2023-11-19 03:21:42,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:21:42,331 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:21:42,333 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:21:42,333 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:21:42,338 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:21:42,339 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:42" (1/1) ... [2023-11-19 03:21:42,341 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bf582e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:42, skipping insertion in model container [2023-11-19 03:21:42,344 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:42" (1/1) ... [2023-11-19 03:21:42,384 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:21:42,589 WARN L240 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_0c63f534-26a2-4ca9-a917-58b4fd96e60d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-7.i[914,927] [2023-11-19 03:21:42,647 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:21:42,666 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:21:42,678 WARN L240 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_0c63f534-26a2-4ca9-a917-58b4fd96e60d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-7.i[914,927] [2023-11-19 03:21:42,697 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:21:42,713 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:21:42,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:42 WrapperNode [2023-11-19 03:21:42,714 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:21:42,715 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:21:42,715 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:21:42,715 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:21:42,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:42" (1/1) ... [2023-11-19 03:21:42,731 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:42" (1/1) ... [2023-11-19 03:21:42,759 INFO L138 Inliner]: procedures = 26, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 79 [2023-11-19 03:21:42,760 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:21:42,761 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:21:42,761 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:21:42,761 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:21:42,771 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:42" (1/1) ... [2023-11-19 03:21:42,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:42" (1/1) ... [2023-11-19 03:21:42,775 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:42" (1/1) ... [2023-11-19 03:21:42,775 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:42" (1/1) ... [2023-11-19 03:21:42,782 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:42" (1/1) ... [2023-11-19 03:21:42,787 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:42" (1/1) ... [2023-11-19 03:21:42,789 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:42" (1/1) ... [2023-11-19 03:21:42,791 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:42" (1/1) ... [2023-11-19 03:21:42,795 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:21:42,796 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:21:42,796 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:21:42,797 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:21:42,798 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:42" (1/1) ... [2023-11-19 03:21:42,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:21:42,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c63f534-26a2-4ca9-a917-58b4fd96e60d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:21:42,840 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c63f534-26a2-4ca9-a917-58b4fd96e60d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:21:42,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c63f534-26a2-4ca9-a917-58b4fd96e60d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:21:42,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:21:42,895 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:21:42,896 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:21:42,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:21:42,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:21:42,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:21:43,027 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:21:43,031 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:21:43,321 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:21:43,495 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:21:43,496 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:21:43,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:43 BoogieIcfgContainer [2023-11-19 03:21:43,502 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:21:43,503 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:21:43,504 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:21:43,516 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:21:43,516 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:43" (1/1) ... [2023-11-19 03:21:43,526 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:21:43,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:43,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2023-11-19 03:21:43,603 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2023-11-19 03:21:43,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:21:43,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:43,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:21:43,933 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:21:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:21:44,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:21:44,151 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:21:44,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:21:44,215 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:21:44,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:21:44 ImpRootNode [2023-11-19 03:21:44,277 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:21:44,278 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:21:44,278 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:21:44,278 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:21:44,278 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:43" (3/4) ... [2023-11-19 03:21:44,281 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:21:44,282 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:21:44,283 INFO L158 Benchmark]: Toolchain (without parser) took 1951.26ms. Allocated memory is still 207.6MB. Free memory was 164.6MB in the beginning and 103.0MB in the end (delta: 61.7MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-19 03:21:44,283 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 151.0MB. Free memory is still 95.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:21:44,284 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.16ms. Allocated memory is still 207.6MB. Free memory was 164.4MB in the beginning and 152.1MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:21:44,285 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.97ms. Allocated memory is still 207.6MB. Free memory was 152.1MB in the beginning and 150.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:21:44,285 INFO L158 Benchmark]: Boogie Preprocessor took 34.69ms. Allocated memory is still 207.6MB. Free memory was 150.0MB in the beginning and 148.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:21:44,286 INFO L158 Benchmark]: RCFGBuilder took 706.11ms. Allocated memory is still 207.6MB. Free memory was 148.5MB in the beginning and 128.1MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 03:21:44,287 INFO L158 Benchmark]: CodeCheck took 773.80ms. Allocated memory is still 207.6MB. Free memory was 127.5MB in the beginning and 103.0MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 03:21:44,287 INFO L158 Benchmark]: Witness Printer took 4.35ms. Allocated memory is still 207.6MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:21:44,291 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - 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 54, overapproximation of someBinaryDOUBLEComparisonOperation at line 34. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] float var_1_2 = 200.875; [L24] float var_1_3 = 8.2; [L25] float var_1_4 = 100000000000.4; [L26] unsigned char var_1_5 = 5; [L27] unsigned long int var_1_6 = 100; [L28] double var_1_9 = 4.6; [L29] double var_1_10 = 2.5; [L30] double last_1_var_1_9 = 4.6; [L80] isInitial = 1 [L81] FCALL initially() [L82] COND TRUE 1 [L83] CALL updateLastVariables() [L73] last_1_var_1_9 = var_1_9 [L83] RET updateLastVariables() [L84] CALL updateVariables() [L60] var_1_2 = __VERIFIER_nondet_float() [L61] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=23/5, var_1_10=5/2, var_1_1=1, var_1_3=41/5, var_1_4=500000000002/5, var_1_5=5, var_1_6=100, var_1_9=23/5] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=23/5, var_1_10=5/2, var_1_1=1, var_1_3=41/5, var_1_4=500000000002/5, var_1_5=5, var_1_6=100, var_1_9=23/5] [L62] var_1_3 = __VERIFIER_nondet_float() [L63] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=23/5, var_1_10=5/2, var_1_1=1, var_1_3=2, var_1_4=500000000002/5, var_1_5=5, var_1_6=100, var_1_9=23/5] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=23/5, var_1_10=5/2, var_1_1=1, var_1_3=2, var_1_4=500000000002/5, var_1_5=5, var_1_6=100, var_1_9=23/5] [L64] var_1_4 = __VERIFIER_nondet_float() [L65] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=23/5, var_1_10=5/2, var_1_1=1, var_1_3=2, var_1_4=3, var_1_5=5, var_1_6=100, var_1_9=23/5] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=23/5, var_1_10=5/2, var_1_1=1, var_1_3=2, var_1_4=3, var_1_5=5, var_1_6=100, var_1_9=23/5] [L66] var_1_5 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=23/5, var_1_10=5/2, var_1_1=1, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=100, var_1_9=23/5] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_9=23/5, var_1_10=5/2, var_1_1=1, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=100, var_1_9=23/5] [L68] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=23/5, var_1_10=5/2, var_1_1=1, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=100, var_1_9=23/5] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, last_1_var_1_9=23/5, var_1_10=5/2, var_1_1=1, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=100, var_1_9=23/5] [L69] var_1_10 = __VERIFIER_nondet_double() [L70] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=23/5, var_1_10=23/5, var_1_1=1, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=100, var_1_9=23/5] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=23/5, var_1_10=23/5, var_1_1=1, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=100, var_1_9=23/5] [L84] RET updateVariables() [L85] CALL step() [L34] COND TRUE ! (last_1_var_1_9 <= (var_1_3 - var_1_4)) [L35] COND FALSE !(last_1_var_1_9 < var_1_3) [L42] var_1_1 = var_1_5 [L47] unsigned char stepLocal_0 = var_1_5; [L48] COND FALSE !(stepLocal_0 < 0) [L51] var_1_6 = ((((((var_1_5) > (var_1_1)) ? (var_1_5) : (var_1_1))) + ((((var_1_1) < 0 ) ? -(var_1_1) : (var_1_1)))) + var_1_1) [L53] COND TRUE var_1_1 <= var_1_6 [L54] COND FALSE !(var_1_2 >= var_1_3) [L85] RET step() [L86] CALL, EXPR property() [L76-L77] return (((! (last_1_var_1_9 <= (var_1_3 - var_1_4))) ? ((last_1_var_1_9 < var_1_3) ? ((! (var_1_3 > last_1_var_1_9)) ? (var_1_1 == ((unsigned char) var_1_5)) : (var_1_1 == ((unsigned char) var_1_5))) : (var_1_1 == ((unsigned char) var_1_5))) : (var_1_1 == ((unsigned char) var_1_5))) && ((var_1_5 < 0) ? (var_1_6 == ((unsigned long int) var_1_5)) : (var_1_6 == ((unsigned long int) ((((((var_1_5) > (var_1_1)) ? (var_1_5) : (var_1_1))) + ((((var_1_1) < 0 ) ? -(var_1_1) : (var_1_1)))) + var_1_1))))) && ((var_1_1 <= var_1_6) ? ((var_1_2 >= var_1_3) ? (var_1_9 == ((double) var_1_10)) : 1) : 1) ; [L86] RET, EXPR property() [L86] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_9=23/5, var_1_10=23/5, var_1_1=0, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=0, var_1_9=23/5] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_9=23/5, var_1_10=23/5, var_1_1=0, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=0, var_1_9=23/5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 151.0MB. Free memory is still 95.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 381.16ms. Allocated memory is still 207.6MB. Free memory was 164.4MB in the beginning and 152.1MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.97ms. Allocated memory is still 207.6MB. Free memory was 152.1MB in the beginning and 150.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.69ms. Allocated memory is still 207.6MB. Free memory was 150.0MB in the beginning and 148.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 706.11ms. Allocated memory is still 207.6MB. Free memory was 148.5MB in the beginning and 128.1MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 773.80ms. Allocated memory is still 207.6MB. Free memory was 127.5MB in the beginning and 103.0MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 4.35ms. Allocated memory is still 207.6MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:21:44,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c63f534-26a2-4ca9-a917-58b4fd96e60d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c63f534-26a2-4ca9-a917-58b4fd96e60d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c63f534-26a2-4ca9-a917-58b4fd96e60d/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c63f534-26a2-4ca9-a917-58b4fd96e60d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c63f534-26a2-4ca9-a917-58b4fd96e60d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c63f534-26a2-4ca9-a917-58b4fd96e60d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c63f534-26a2-4ca9-a917-58b4fd96e60d/bin/ukojak-verify-G8NBE6pJGL --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 75121fbbd1ed27c28a06b51090ae110a04aef15c4da97bde5134404f888e055a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:21:47,205 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:21:47,356 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c63f534-26a2-4ca9-a917-58b4fd96e60d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:21:47,411 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:21:47,412 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:21:47,412 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:21:47,413 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:21:47,414 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:21:47,415 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:21:47,415 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:21:47,416 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:21:47,417 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:21:47,417 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:21:47,418 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:21:47,419 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:21:47,420 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:21:47,420 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:21:47,421 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:21:47,422 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:21:47,422 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:21:47,423 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:21:47,428 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:21:47,428 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:21:47,429 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:21:47,429 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:21:47,430 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:21:47,430 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:21:47,431 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:21:47,431 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:21:47,432 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:21:47,433 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:21:47,433 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:21:47,434 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:21:47,441 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:21:47,442 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:21:47,442 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:21:47,442 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:21:47,443 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c63f534-26a2-4ca9-a917-58b4fd96e60d/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c63f534-26a2-4ca9-a917-58b4fd96e60d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75121fbbd1ed27c28a06b51090ae110a04aef15c4da97bde5134404f888e055a [2023-11-19 03:21:47,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:21:47,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:21:47,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:21:47,883 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:21:47,883 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:21:47,885 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c63f534-26a2-4ca9-a917-58b4fd96e60d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-7.i [2023-11-19 03:21:51,062 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:21:51,348 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:21:51,349 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c63f534-26a2-4ca9-a917-58b4fd96e60d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-7.i [2023-11-19 03:21:51,357 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c63f534-26a2-4ca9-a917-58b4fd96e60d/bin/ukojak-verify-G8NBE6pJGL/data/9504132aa/80f05087644b4df4b3e3e158ca1247cd/FLAG21c4845f7 [2023-11-19 03:21:51,381 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c63f534-26a2-4ca9-a917-58b4fd96e60d/bin/ukojak-verify-G8NBE6pJGL/data/9504132aa/80f05087644b4df4b3e3e158ca1247cd [2023-11-19 03:21:51,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:21:51,388 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:21:51,394 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:21:51,394 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:21:51,399 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:21:51,400 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:51" (1/1) ... [2023-11-19 03:21:51,401 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ea48ee0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:51, skipping insertion in model container [2023-11-19 03:21:51,403 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:51" (1/1) ... [2023-11-19 03:21:51,442 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:21:51,637 WARN L240 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_0c63f534-26a2-4ca9-a917-58b4fd96e60d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-7.i[914,927] [2023-11-19 03:21:51,692 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:21:51,714 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:21:51,730 WARN L240 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_0c63f534-26a2-4ca9-a917-58b4fd96e60d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-7.i[914,927] [2023-11-19 03:21:51,761 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:21:51,783 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:21:51,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:51 WrapperNode [2023-11-19 03:21:51,784 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:21:51,785 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:21:51,785 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:21:51,785 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:21:51,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:51" (1/1) ... [2023-11-19 03:21:51,817 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:51" (1/1) ... [2023-11-19 03:21:51,855 INFO L138 Inliner]: procedures = 27, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 79 [2023-11-19 03:21:51,855 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:21:51,857 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:21:51,857 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:21:51,857 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:21:51,866 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:51" (1/1) ... [2023-11-19 03:21:51,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:51" (1/1) ... [2023-11-19 03:21:51,877 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:51" (1/1) ... [2023-11-19 03:21:51,878 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:51" (1/1) ... [2023-11-19 03:21:51,898 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:51" (1/1) ... [2023-11-19 03:21:51,901 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:51" (1/1) ... [2023-11-19 03:21:51,904 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:51" (1/1) ... [2023-11-19 03:21:51,905 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:51" (1/1) ... [2023-11-19 03:21:51,908 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:21:51,909 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:21:51,910 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:21:51,910 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:21:51,927 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:51" (1/1) ... [2023-11-19 03:21:51,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:21:51,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c63f534-26a2-4ca9-a917-58b4fd96e60d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:21:51,971 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c63f534-26a2-4ca9-a917-58b4fd96e60d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:21:52,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c63f534-26a2-4ca9-a917-58b4fd96e60d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:21:52,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:21:52,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:21:52,023 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:21:52,023 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:21:52,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:21:52,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:21:52,128 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:21:52,131 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:21:53,158 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:21:53,257 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:21:53,257 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:21:53,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:53 BoogieIcfgContainer [2023-11-19 03:21:53,262 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:21:53,263 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:21:53,263 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:21:53,274 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:21:53,274 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:53" (1/1) ... [2023-11-19 03:21:53,284 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:21:53,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:53,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2023-11-19 03:21:53,345 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2023-11-19 03:21:53,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:21:53,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:53,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:21:53,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c63f534-26a2-4ca9-a917-58b4fd96e60d/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:21:53,358 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c63f534-26a2-4ca9-a917-58b4fd96e60d/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:21:53,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c63f534-26a2-4ca9-a917-58b4fd96e60d/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:21:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:54,134 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:21:54,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:54,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 03:21:54,269 INFO L285 TraceCheckSpWp]: Computing forward predicates...