./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-46.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_f98d363e-8bb7-4b27-b9d0-60f1eded62e9/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98d363e-8bb7-4b27-b9d0-60f1eded62e9/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_f98d363e-8bb7-4b27-b9d0-60f1eded62e9/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98d363e-8bb7-4b27-b9d0-60f1eded62e9/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98d363e-8bb7-4b27-b9d0-60f1eded62e9/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_f98d363e-8bb7-4b27-b9d0-60f1eded62e9/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 547b567eda4620e4c8c29434fcef214bc59c1f17aa6e193bf49598d57812d4ad --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:10:03,014 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:10:03,151 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98d363e-8bb7-4b27-b9d0-60f1eded62e9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:10:03,162 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:10:03,162 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:10:03,201 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:10:03,202 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:10:03,203 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:10:03,204 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:10:03,209 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:10:03,210 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:10:03,210 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:10:03,211 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:10:03,212 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:10:03,213 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:10:03,213 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:10:03,214 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:10:03,214 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:10:03,214 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:10:03,215 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:10:03,215 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:10:03,216 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:10:03,216 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:10:03,217 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:10:03,217 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:10:03,218 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:10:03,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:10:03,219 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:10:03,219 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:10:03,220 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:10:03,221 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:10:03,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:10:03,222 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:10:03,222 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_f98d363e-8bb7-4b27-b9d0-60f1eded62e9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98d363e-8bb7-4b27-b9d0-60f1eded62e9/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 547b567eda4620e4c8c29434fcef214bc59c1f17aa6e193bf49598d57812d4ad [2023-11-19 03:10:03,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:10:03,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:10:03,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:10:03,535 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:10:03,536 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:10:03,537 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98d363e-8bb7-4b27-b9d0-60f1eded62e9/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-46.i [2023-11-19 03:10:06,685 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:10:06,971 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:10:06,972 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98d363e-8bb7-4b27-b9d0-60f1eded62e9/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-46.i [2023-11-19 03:10:06,982 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98d363e-8bb7-4b27-b9d0-60f1eded62e9/bin/ukojak-verify-G8NBE6pJGL/data/4e27ca925/be64999293f34790b87f9a4ea6038611/FLAG7edcd0f6e [2023-11-19 03:10:06,999 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98d363e-8bb7-4b27-b9d0-60f1eded62e9/bin/ukojak-verify-G8NBE6pJGL/data/4e27ca925/be64999293f34790b87f9a4ea6038611 [2023-11-19 03:10:07,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:10:07,007 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:10:07,011 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:10:07,012 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:10:07,017 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:10:07,017 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:10:07" (1/1) ... [2023-11-19 03:10:07,020 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ca43a62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:07, skipping insertion in model container [2023-11-19 03:10:07,020 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:10:07" (1/1) ... [2023-11-19 03:10:07,061 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:10:07,253 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_f98d363e-8bb7-4b27-b9d0-60f1eded62e9/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-46.i[915,928] [2023-11-19 03:10:07,290 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:10:07,303 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:10:07,315 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_f98d363e-8bb7-4b27-b9d0-60f1eded62e9/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-46.i[915,928] [2023-11-19 03:10:07,337 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:10:07,353 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:10:07,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:07 WrapperNode [2023-11-19 03:10:07,354 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:10:07,355 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:10:07,356 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:10:07,356 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:10:07,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:07" (1/1) ... [2023-11-19 03:10:07,373 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:07" (1/1) ... [2023-11-19 03:10:07,410 INFO L138 Inliner]: procedures = 26, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 90 [2023-11-19 03:10:07,410 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:10:07,411 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:10:07,411 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:10:07,411 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:10:07,421 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:07" (1/1) ... [2023-11-19 03:10:07,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:07" (1/1) ... [2023-11-19 03:10:07,425 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:07" (1/1) ... [2023-11-19 03:10:07,425 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:07" (1/1) ... [2023-11-19 03:10:07,433 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:07" (1/1) ... [2023-11-19 03:10:07,436 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:07" (1/1) ... [2023-11-19 03:10:07,438 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:07" (1/1) ... [2023-11-19 03:10:07,440 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:07" (1/1) ... [2023-11-19 03:10:07,443 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:10:07,444 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:10:07,444 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:10:07,445 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:10:07,445 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:07" (1/1) ... [2023-11-19 03:10:07,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:10:07,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98d363e-8bb7-4b27-b9d0-60f1eded62e9/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:10:07,506 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98d363e-8bb7-4b27-b9d0-60f1eded62e9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:10:07,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98d363e-8bb7-4b27-b9d0-60f1eded62e9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:10:07,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:10:07,558 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:10:07,558 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:10:07,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:10:07,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:10:07,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:10:07,656 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:10:07,659 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:10:08,062 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:10:08,186 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:10:08,186 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:10:08,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:10:08 BoogieIcfgContainer [2023-11-19 03:10:08,192 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:10:08,193 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:10:08,193 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:10:08,203 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:10:08,204 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:10:08" (1/1) ... [2023-11-19 03:10:08,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:10:08,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:08,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2023-11-19 03:10:08,272 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2023-11-19 03:10:08,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:10:08,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:08,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:08,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:10:08,601 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:10:08,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:10:08,708 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:10:08,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:10:08 ImpRootNode [2023-11-19 03:10:08,780 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:10:08,781 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:10:08,781 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:10:08,782 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:10:08,782 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:10:08" (3/4) ... [2023-11-19 03:10:08,786 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:10:08,787 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:10:08,789 INFO L158 Benchmark]: Toolchain (without parser) took 1780.83ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 84.6MB in the beginning and 111.0MB in the end (delta: -26.4MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2023-11-19 03:10:08,789 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 130.0MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:10:08,790 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.16ms. Allocated memory is still 130.0MB. Free memory was 84.6MB in the beginning and 72.5MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:10:08,790 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.03ms. Allocated memory is still 130.0MB. Free memory was 72.5MB in the beginning and 70.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:10:08,791 INFO L158 Benchmark]: Boogie Preprocessor took 32.38ms. Allocated memory is still 130.0MB. Free memory was 70.2MB in the beginning and 68.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:10:08,792 INFO L158 Benchmark]: RCFGBuilder took 747.54ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 68.6MB in the beginning and 130.5MB in the end (delta: -61.9MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2023-11-19 03:10:08,793 INFO L158 Benchmark]: CodeCheck took 588.03ms. Allocated memory is still 174.1MB. Free memory was 130.5MB in the beginning and 111.0MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:10:08,793 INFO L158 Benchmark]: Witness Printer took 6.34ms. Allocated memory is still 174.1MB. Free memory is still 111.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:10:08,797 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, 24 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 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 someBinaryDOUBLEComparisonOperation at line 47. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] double var_1_2 = 31.75; [L24] signed char var_1_4 = -8; [L25] unsigned char var_1_6 = 0; [L26] unsigned char var_1_7 = 1; [L27] unsigned char var_1_8 = 16; [L28] unsigned char var_1_9 = 8; [L29] signed long int var_1_10 = 256; [L30] signed long int last_1_var_1_10 = 256; [L92] isInitial = 1 [L93] FCALL initially() [L94] COND TRUE 1 [L95] CALL updateLastVariables() [L85] last_1_var_1_10 = var_1_10 [L95] RET updateLastVariables() [L96] CALL updateVariables() [L68] var_1_2 = __VERIFIER_nondet_double() [L69] 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_10=256, var_1_10=256, var_1_1=1, var_1_4=-8, var_1_6=0, var_1_7=1, var_1_8=16, var_1_9=8] [L20] COND FALSE !(!cond) [L69] 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_10=256, var_1_10=256, var_1_1=1, var_1_4=-8, var_1_6=0, var_1_7=1, var_1_8=16, var_1_9=8] [L70] var_1_4 = __VERIFIER_nondet_char() [L71] CALL assume_abort_if_not(var_1_4 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_4=2, var_1_6=0, var_1_7=1, var_1_8=16, var_1_9=8] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_4 >= -128) VAL [isInitial=1, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_4=2, var_1_6=0, var_1_7=1, var_1_8=16, var_1_9=8] [L72] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_4=2, var_1_6=0, var_1_7=1, var_1_8=16, var_1_9=8] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_4=2, var_1_6=0, var_1_7=1, var_1_8=16, var_1_9=8] [L73] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_4=2, var_1_6=0, var_1_7=1, var_1_8=16, var_1_9=8] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_4=2, var_1_6=0, var_1_7=1, var_1_8=16, var_1_9=8] [L74] var_1_6 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_4=2, var_1_6=0, var_1_7=1, var_1_8=16, var_1_9=8] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_4=2, var_1_6=0, var_1_7=1, var_1_8=16, var_1_9=8] [L76] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_4=2, var_1_6=0, var_1_7=1, var_1_8=16, var_1_9=8] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_4=2, var_1_6=0, var_1_7=1, var_1_8=16, var_1_9=8] [L77] var_1_7 = __VERIFIER_nondet_uchar() [L78] CALL assume_abort_if_not(var_1_7 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_4=2, var_1_6=0, var_1_7=1, var_1_8=16, var_1_9=8] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_7 >= 1) VAL [isInitial=1, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_4=2, var_1_6=0, var_1_7=1, var_1_8=16, var_1_9=8] [L79] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_4=2, var_1_6=0, var_1_7=1, var_1_8=16, var_1_9=8] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_4=2, var_1_6=0, var_1_7=1, var_1_8=16, var_1_9=8] [L80] var_1_9 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_4=2, var_1_6=0, var_1_7=1, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_4=2, var_1_6=0, var_1_7=1, var_1_8=16, var_1_9=0] [L82] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_4=2, var_1_6=0, var_1_7=1, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_4=2, var_1_6=0, var_1_7=1, var_1_8=16, var_1_9=0] [L96] RET updateVariables() [L97] CALL step() [L34] signed char stepLocal_3 = var_1_4; [L35] unsigned char stepLocal_2 = var_1_7; [L36] COND FALSE !(2 != stepLocal_3) [L39] COND TRUE (var_1_9 <= last_1_var_1_10) && stepLocal_2 [L40] var_1_8 = 128 [L45] signed long int stepLocal_1 = var_1_8 / var_1_4; [L46] signed long int stepLocal_0 = (((var_1_4) < (var_1_8)) ? (var_1_4) : (var_1_8)); [L47] COND TRUE (- var_1_2) >= 16.75 [L48] COND FALSE !(stepLocal_1 >= var_1_8) [L55] var_1_1 = var_1_7 [L60] signed long int stepLocal_4 = var_1_8 * var_1_8; [L61] COND FALSE !(0 > stepLocal_4) [L97] RET step() [L98] CALL, EXPR property() [L88-L89] return ((((- var_1_2) >= 16.75) ? (((var_1_8 / var_1_4) >= var_1_8) ? ((((((var_1_4) < (var_1_8)) ? (var_1_4) : (var_1_8))) > -32) ? (var_1_1 == ((unsigned char) 0)) : (var_1_1 == ((unsigned char) var_1_6))) : (var_1_1 == ((unsigned char) var_1_7))) : (var_1_1 == ((unsigned char) var_1_6))) && ((2 != var_1_4) ? (var_1_8 == ((unsigned char) var_1_9)) : (((var_1_9 <= last_1_var_1_10) && var_1_7) ? (var_1_8 == ((unsigned char) 128)) : (var_1_8 == ((unsigned char) var_1_9))))) && ((0 > (var_1_8 * var_1_8)) ? (var_1_1 ? (var_1_10 == ((signed long int) 5)) : 1) : 1) ; [L98] RET, EXPR property() [L98] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_4=2, var_1_6=0, var_1_7=1, var_1_8=128, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=256, var_1_10=256, var_1_1=1, var_1_4=2, var_1_6=0, var_1_7=1, var_1_8=128, var_1_9=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 130.0MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 343.16ms. Allocated memory is still 130.0MB. Free memory was 84.6MB in the beginning and 72.5MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.03ms. Allocated memory is still 130.0MB. Free memory was 72.5MB in the beginning and 70.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.38ms. Allocated memory is still 130.0MB. Free memory was 70.2MB in the beginning and 68.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 747.54ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 68.6MB in the beginning and 130.5MB in the end (delta: -61.9MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * CodeCheck took 588.03ms. Allocated memory is still 174.1MB. Free memory was 130.5MB in the beginning and 111.0MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 6.34ms. Allocated memory is still 174.1MB. Free memory is still 111.0MB. 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 03:10:08,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98d363e-8bb7-4b27-b9d0-60f1eded62e9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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_f98d363e-8bb7-4b27-b9d0-60f1eded62e9/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98d363e-8bb7-4b27-b9d0-60f1eded62e9/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_f98d363e-8bb7-4b27-b9d0-60f1eded62e9/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98d363e-8bb7-4b27-b9d0-60f1eded62e9/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98d363e-8bb7-4b27-b9d0-60f1eded62e9/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_f98d363e-8bb7-4b27-b9d0-60f1eded62e9/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 547b567eda4620e4c8c29434fcef214bc59c1f17aa6e193bf49598d57812d4ad --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:10:11,535 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:10:11,657 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98d363e-8bb7-4b27-b9d0-60f1eded62e9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:10:11,711 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:10:11,712 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:10:11,713 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:10:11,714 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:10:11,715 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:10:11,716 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:10:11,721 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:10:11,722 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:10:11,722 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:10:11,722 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:10:11,724 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:10:11,725 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:10:11,725 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:10:11,726 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:10:11,726 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:10:11,727 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:10:11,728 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:10:11,728 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:10:11,729 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:10:11,729 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:10:11,730 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:10:11,730 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:10:11,731 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:10:11,731 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:10:11,732 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:10:11,732 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:10:11,733 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:10:11,734 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:10:11,734 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:10:11,735 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:10:11,735 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:10:11,736 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:10:11,736 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:10:11,736 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:10:11,737 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_f98d363e-8bb7-4b27-b9d0-60f1eded62e9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98d363e-8bb7-4b27-b9d0-60f1eded62e9/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 547b567eda4620e4c8c29434fcef214bc59c1f17aa6e193bf49598d57812d4ad [2023-11-19 03:10:12,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:10:12,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:10:12,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:10:12,232 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:10:12,233 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:10:12,235 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98d363e-8bb7-4b27-b9d0-60f1eded62e9/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-46.i [2023-11-19 03:10:15,507 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:10:15,797 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:10:15,798 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98d363e-8bb7-4b27-b9d0-60f1eded62e9/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-46.i [2023-11-19 03:10:15,807 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98d363e-8bb7-4b27-b9d0-60f1eded62e9/bin/ukojak-verify-G8NBE6pJGL/data/86d1fb383/3d384cebd35348eb98e57d6977d77fed/FLAGcbf56c4dd [2023-11-19 03:10:15,825 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98d363e-8bb7-4b27-b9d0-60f1eded62e9/bin/ukojak-verify-G8NBE6pJGL/data/86d1fb383/3d384cebd35348eb98e57d6977d77fed [2023-11-19 03:10:15,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:10:15,832 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:10:15,838 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:10:15,838 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:10:15,843 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:10:15,844 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:10:15" (1/1) ... [2023-11-19 03:10:15,845 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48b76679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:15, skipping insertion in model container [2023-11-19 03:10:15,845 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:10:15" (1/1) ... [2023-11-19 03:10:15,883 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:10:16,069 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_f98d363e-8bb7-4b27-b9d0-60f1eded62e9/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-46.i[915,928] [2023-11-19 03:10:16,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:10:16,123 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:10:16,136 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_f98d363e-8bb7-4b27-b9d0-60f1eded62e9/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-46.i[915,928] [2023-11-19 03:10:16,156 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:10:16,175 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:10:16,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:16 WrapperNode [2023-11-19 03:10:16,176 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:10:16,177 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:10:16,177 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:10:16,177 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:10:16,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:16" (1/1) ... [2023-11-19 03:10:16,196 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:16" (1/1) ... [2023-11-19 03:10:16,255 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 89 [2023-11-19 03:10:16,264 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:10:16,268 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:10:16,268 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:10:16,268 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:10:16,275 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:16" (1/1) ... [2023-11-19 03:10:16,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:16" (1/1) ... [2023-11-19 03:10:16,280 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:16" (1/1) ... [2023-11-19 03:10:16,280 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:16" (1/1) ... [2023-11-19 03:10:16,289 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:16" (1/1) ... [2023-11-19 03:10:16,293 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:16" (1/1) ... [2023-11-19 03:10:16,297 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:16" (1/1) ... [2023-11-19 03:10:16,298 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:16" (1/1) ... [2023-11-19 03:10:16,309 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:10:16,310 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:10:16,310 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:10:16,311 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:10:16,311 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:16" (1/1) ... [2023-11-19 03:10:16,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:10:16,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98d363e-8bb7-4b27-b9d0-60f1eded62e9/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:10:16,354 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98d363e-8bb7-4b27-b9d0-60f1eded62e9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:10:16,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98d363e-8bb7-4b27-b9d0-60f1eded62e9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:10:16,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:10:16,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:10:16,405 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:10:16,406 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:10:16,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:10:16,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:10:16,492 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:10:16,494 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:10:16,900 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:10:17,128 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:10:17,128 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:10:17,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:10:17 BoogieIcfgContainer [2023-11-19 03:10:17,134 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:10:17,135 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:10:17,136 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:10:17,146 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:10:17,148 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:10:17" (1/1) ... [2023-11-19 03:10:17,157 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:10:17,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:17,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2023-11-19 03:10:17,227 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2023-11-19 03:10:17,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:10:17,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:17,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:10:17,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98d363e-8bb7-4b27-b9d0-60f1eded62e9/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:10:17,240 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98d363e-8bb7-4b27-b9d0-60f1eded62e9/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:10:17,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98d363e-8bb7-4b27-b9d0-60f1eded62e9/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:10:17,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:17,533 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:10:17,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:17,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:10:17,630 INFO L285 TraceCheckSpWp]: Computing forward predicates...