./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_cec75df8-163e-4c83-a8cc-ad23e1bbbf40/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec75df8-163e-4c83-a8cc-ad23e1bbbf40/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec75df8-163e-4c83-a8cc-ad23e1bbbf40/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec75df8-163e-4c83-a8cc-ad23e1bbbf40/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec75df8-163e-4c83-a8cc-ad23e1bbbf40/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec75df8-163e-4c83-a8cc-ad23e1bbbf40/bin/ukojak-verify-Qdu7aM0XO9 --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 44eacf12db4e9e03ae896c491542075bfb298656743b3655ef171492d8e9e317 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:38:46,014 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:38:46,080 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec75df8-163e-4c83-a8cc-ad23e1bbbf40/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:38:46,084 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:38:46,085 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:38:46,106 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:38:46,108 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:38:46,108 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:38:46,109 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:38:46,110 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:38:46,110 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:38:46,111 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:38:46,112 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:38:46,112 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:38:46,113 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:38:46,113 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:38:46,114 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:38:46,115 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:38:46,115 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:38:46,116 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:38:46,116 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:38:46,117 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:38:46,118 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:38:46,118 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:38:46,119 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:38:46,119 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:38:46,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:38:46,120 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:38:46,120 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:38:46,121 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:38:46,121 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:38:46,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:38:46,122 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:38:46,122 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_cec75df8-163e-4c83-a8cc-ad23e1bbbf40/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec75df8-163e-4c83-a8cc-ad23e1bbbf40/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44eacf12db4e9e03ae896c491542075bfb298656743b3655ef171492d8e9e317 [2023-12-03 01:38:46,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:38:46,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:38:46,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:38:46,387 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:38:46,387 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:38:46,388 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec75df8-163e-4c83-a8cc-ad23e1bbbf40/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i [2023-12-03 01:38:49,202 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:38:49,378 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:38:49,379 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec75df8-163e-4c83-a8cc-ad23e1bbbf40/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i [2023-12-03 01:38:49,388 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec75df8-163e-4c83-a8cc-ad23e1bbbf40/bin/ukojak-verify-Qdu7aM0XO9/data/1e00412f1/5b20e87fcf06413e8c272eb146253086/FLAG1341a1455 [2023-12-03 01:38:49,403 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec75df8-163e-4c83-a8cc-ad23e1bbbf40/bin/ukojak-verify-Qdu7aM0XO9/data/1e00412f1/5b20e87fcf06413e8c272eb146253086 [2023-12-03 01:38:49,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:38:49,407 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:38:49,408 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:38:49,409 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:38:49,413 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:38:49,414 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:38:49" (1/1) ... [2023-12-03 01:38:49,415 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e7bd52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:38:49, skipping insertion in model container [2023-12-03 01:38:49,416 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:38:49" (1/1) ... [2023-12-03 01:38:49,442 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:38:49,593 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_cec75df8-163e-4c83-a8cc-ad23e1bbbf40/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i[915,928] [2023-12-03 01:38:49,631 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:38:49,644 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:38:49,657 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_cec75df8-163e-4c83-a8cc-ad23e1bbbf40/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i[915,928] [2023-12-03 01:38:49,676 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:38:49,693 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:38:49,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:38:49 WrapperNode [2023-12-03 01:38:49,694 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:38:49,695 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:38:49,695 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:38:49,695 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:38:49,703 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:38:49" (1/1) ... [2023-12-03 01:38:49,713 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:38:49" (1/1) ... [2023-12-03 01:38:49,739 INFO L138 Inliner]: procedures = 26, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 95 [2023-12-03 01:38:49,739 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:38:49,740 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:38:49,740 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:38:49,740 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:38:49,749 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:38:49" (1/1) ... [2023-12-03 01:38:49,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:38:49" (1/1) ... [2023-12-03 01:38:49,752 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:38:49" (1/1) ... [2023-12-03 01:38:49,752 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:38:49" (1/1) ... [2023-12-03 01:38:49,758 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:38:49" (1/1) ... [2023-12-03 01:38:49,761 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:38:49" (1/1) ... [2023-12-03 01:38:49,763 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:38:49" (1/1) ... [2023-12-03 01:38:49,765 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:38:49" (1/1) ... [2023-12-03 01:38:49,767 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:38:49,768 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:38:49,768 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:38:49,768 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:38:49,769 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:38:49" (1/1) ... [2023-12-03 01:38:49,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:38:49,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec75df8-163e-4c83-a8cc-ad23e1bbbf40/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:38:49,798 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec75df8-163e-4c83-a8cc-ad23e1bbbf40/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:38:49,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec75df8-163e-4c83-a8cc-ad23e1bbbf40/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:38:49,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:38:49,835 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 01:38:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 01:38:49,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:38:49,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:38:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:38:49,919 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:38:49,921 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:38:50,128 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:38:50,275 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:38:50,276 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:38:50,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:38:50 BoogieIcfgContainer [2023-12-03 01:38:50,278 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:38:50,279 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:38:50,279 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:38:50,290 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:38:50,290 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:38:50" (1/1) ... [2023-12-03 01:38:50,300 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:38:50,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:38:50,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2023-12-03 01:38:50,357 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2023-12-03 01:38:50,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 01:38:50,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:38:50,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:38:50,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:38:50,679 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:38:50,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:38:50,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:38:50,891 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:38:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:38:50,980 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 01:38:51,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:38:51 ImpRootNode [2023-12-03 01:38:51,028 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:38:51,029 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:38:51,029 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:38:51,030 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:38:51,030 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:38:50" (3/4) ... [2023-12-03 01:38:51,033 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 01:38:51,034 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:38:51,035 INFO L158 Benchmark]: Toolchain (without parser) took 1627.84ms. Allocated memory was 138.4MB in the beginning and 209.7MB in the end (delta: 71.3MB). Free memory was 92.5MB in the beginning and 121.2MB in the end (delta: -28.7MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2023-12-03 01:38:51,036 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 138.4MB. Free memory is still 114.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:38:51,036 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.82ms. Allocated memory is still 138.4MB. Free memory was 92.1MB in the beginning and 80.3MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 01:38:51,037 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.50ms. Allocated memory is still 138.4MB. Free memory was 80.3MB in the beginning and 78.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:38:51,038 INFO L158 Benchmark]: Boogie Preprocessor took 27.23ms. Allocated memory is still 138.4MB. Free memory was 78.3MB in the beginning and 77.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:38:51,039 INFO L158 Benchmark]: RCFGBuilder took 509.78ms. Allocated memory was 138.4MB in the beginning and 209.7MB in the end (delta: 71.3MB). Free memory was 77.0MB in the beginning and 174.7MB in the end (delta: -97.7MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2023-12-03 01:38:51,039 INFO L158 Benchmark]: CodeCheck took 749.70ms. Allocated memory is still 209.7MB. Free memory was 174.7MB in the beginning and 122.3MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-12-03 01:38:51,040 INFO L158 Benchmark]: Witness Printer took 5.11ms. Allocated memory is still 209.7MB. Free memory was 122.3MB in the beginning and 121.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:38:51,043 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, 25 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, 40 NumberOfCodeBlocks, 40 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 49, overapproximation of someUnaryDOUBLEoperation at line 24, overapproximation of someBinaryDOUBLEComparisonOperation at line 37, overapproximation of someUnaryFLOAToperation at line 49, overapproximation of someBinaryArithmeticFLOAToperation at line 49. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 24.575; [L23] double var_1_8 = 128.5; [L24] float var_1_9 = -0.5; [L25] float var_1_10 = 200.4; [L26] unsigned long int var_1_11 = 4; [L27] unsigned char var_1_12 = 1; [L28] unsigned long int var_1_13 = 3607105345; [L29] signed char var_1_14 = 0; [L30] signed char var_1_15 = 0; [L31] signed char var_1_16 = 16; [L32] double last_1_var_1_1 = 24.575; [L33] float last_1_var_1_9 = -0.5; [L85] isInitial = 1 [L86] FCALL initially() [L87] int k_loop; [L88] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_1=983/40, var_1_10=1002/5, var_1_11=4, var_1_12=1, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_8=257/2] [L88] COND TRUE k_loop < 1 [L89] CALL updateLastVariables() [L77] last_1_var_1_1 = var_1_1 [L78] last_1_var_1_9 = var_1_9 [L89] RET updateLastVariables() [L90] CALL updateVariables() [L59] var_1_8 = __VERIFIER_nondet_double() [L60] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_10=1002/5, var_1_11=4, var_1_12=1, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L20] COND FALSE !(!cond) [L60] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_10=1002/5, var_1_11=4, var_1_12=1, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L61] var_1_10 = __VERIFIER_nondet_float() [L62] CALL assume_abort_if_not((var_1_10 >= 0.0F && 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_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not((var_1_10 >= 0.0F && 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_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L63] var_1_12 = __VERIFIER_nondet_uchar() [L64] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L65] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=0, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=0, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L66] var_1_13 = __VERIFIER_nondet_ulong() [L67] CALL assume_abort_if_not(var_1_13 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=0, var_1_13=2147483681, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_13 >= 2147483647) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=0, var_1_13=2147483681, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L68] CALL assume_abort_if_not(var_1_13 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=0, var_1_13=2147483681, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_13 <= 4294967294) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=0, var_1_13=2147483681, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L69] var_1_15 = __VERIFIER_nondet_char() [L70] CALL assume_abort_if_not(var_1_15 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=0, var_1_13=2147483681, var_1_14=0, var_1_15=1, var_1_16=16, var_1_1=983/40, var_1_9=2] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_15 >= -1) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=0, var_1_13=2147483681, var_1_14=0, var_1_15=1, var_1_16=16, var_1_1=983/40, var_1_9=2] [L71] CALL assume_abort_if_not(var_1_15 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=0, var_1_13=2147483681, var_1_14=0, var_1_15=1, var_1_16=16, var_1_1=983/40, var_1_9=2] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_15 <= 126) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=0, var_1_13=2147483681, var_1_14=0, var_1_15=1, var_1_16=16, var_1_1=983/40, var_1_9=2] [L72] var_1_16 = __VERIFIER_nondet_char() [L73] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=0, var_1_13=2147483681, var_1_14=0, var_1_15=1, var_1_16=126, var_1_1=983/40, var_1_9=2] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=0, var_1_13=2147483681, var_1_14=0, var_1_15=1, var_1_16=126, var_1_1=983/40, var_1_9=2] [L74] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=0, var_1_13=2147483681, var_1_14=0, var_1_15=1, var_1_16=126, var_1_1=983/40, var_1_9=2] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=0, var_1_13=2147483681, var_1_14=0, var_1_15=1, var_1_16=126, var_1_1=983/40, var_1_9=2] [L90] RET updateVariables() [L91] CALL step() [L37] COND FALSE !(((((last_1_var_1_9) > (last_1_var_1_9)) ? (last_1_var_1_9) : (last_1_var_1_9))) >= last_1_var_1_1) [L42] var_1_14 = var_1_15 [L44] COND FALSE !(\read(var_1_12)) [L47] var_1_11 = ((((var_1_14) > ((var_1_13 - (var_1_14 + 32u)))) ? (var_1_14) : ((var_1_13 - (var_1_14 + 32u))))) [L49] var_1_9 = ((((var_1_10 - ((((10000.4f) < 0 ) ? -(10000.4f) : (10000.4f)))) < 0 ) ? -(var_1_10 - ((((10000.4f) < 0 ) ? -(10000.4f) : (10000.4f)))) : (var_1_10 - ((((10000.4f) < 0 ) ? -(10000.4f) : (10000.4f)))))) [L50] COND FALSE !(var_1_9 <= var_1_9) [L55] var_1_1 = var_1_8 [L91] RET step() [L92] CALL, EXPR property() [L81-L82] return ((((var_1_9 <= var_1_9) ? (((var_1_11 + var_1_11) >= (var_1_14 + var_1_14)) ? (var_1_1 == ((double) var_1_8)) : 1) : (var_1_1 == ((double) var_1_8))) && (var_1_9 == ((float) ((((var_1_10 - ((((10000.4f) < 0 ) ? -(10000.4f) : (10000.4f)))) < 0 ) ? -(var_1_10 - ((((10000.4f) < 0 ) ? -(10000.4f) : (10000.4f)))) : (var_1_10 - ((((10000.4f) < 0 ) ? -(10000.4f) : (10000.4f))))))))) && (var_1_12 ? (var_1_11 == ((unsigned long int) ((((var_1_14) < (var_1_14)) ? (var_1_14) : (var_1_14))))) : (var_1_11 == ((unsigned long int) ((((var_1_14) > ((var_1_13 - (var_1_14 + 32u)))) ? (var_1_14) : ((var_1_13 - (var_1_14 + 32u))))))))) && ((((((last_1_var_1_9) > (last_1_var_1_9)) ? (last_1_var_1_9) : (last_1_var_1_9))) >= last_1_var_1_1) ? (var_1_12 ? (var_1_14 == ((signed char) (var_1_15 - var_1_16))) : 1) : (var_1_14 == ((signed char) var_1_15))) ; [L92] RET, EXPR property() [L92] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=2147483648, var_1_12=0, var_1_13=2147483681, var_1_14=1, var_1_15=1, var_1_16=126, var_1_1=983/40, var_1_8=983/40, var_1_9=3] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=2147483648, var_1_12=0, var_1_13=2147483681, var_1_14=1, var_1_15=1, var_1_16=126, var_1_1=983/40, var_1_8=983/40, var_1_9=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 138.4MB. Free memory is still 114.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.82ms. Allocated memory is still 138.4MB. Free memory was 92.1MB in the beginning and 80.3MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.50ms. Allocated memory is still 138.4MB. Free memory was 80.3MB in the beginning and 78.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.23ms. Allocated memory is still 138.4MB. Free memory was 78.3MB in the beginning and 77.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 509.78ms. Allocated memory was 138.4MB in the beginning and 209.7MB in the end (delta: 71.3MB). Free memory was 77.0MB in the beginning and 174.7MB in the end (delta: -97.7MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. * CodeCheck took 749.70ms. Allocated memory is still 209.7MB. Free memory was 174.7MB in the beginning and 122.3MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Witness Printer took 5.11ms. Allocated memory is still 209.7MB. Free memory was 122.3MB in the beginning and 121.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 01:38:51,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec75df8-163e-4c83-a8cc-ad23e1bbbf40/bin/ukojak-verify-Qdu7aM0XO9/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_cec75df8-163e-4c83-a8cc-ad23e1bbbf40/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec75df8-163e-4c83-a8cc-ad23e1bbbf40/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec75df8-163e-4c83-a8cc-ad23e1bbbf40/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec75df8-163e-4c83-a8cc-ad23e1bbbf40/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec75df8-163e-4c83-a8cc-ad23e1bbbf40/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec75df8-163e-4c83-a8cc-ad23e1bbbf40/bin/ukojak-verify-Qdu7aM0XO9 --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 44eacf12db4e9e03ae896c491542075bfb298656743b3655ef171492d8e9e317 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:38:53,082 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:38:53,163 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec75df8-163e-4c83-a8cc-ad23e1bbbf40/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 01:38:53,199 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:38:53,200 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:38:53,201 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:38:53,202 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:38:53,202 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:38:53,203 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:38:53,204 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:38:53,204 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:38:53,205 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:38:53,206 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:38:53,206 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:38:53,207 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:38:53,208 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:38:53,208 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:38:53,209 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:38:53,209 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:38:53,210 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:38:53,210 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:38:53,211 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:38:53,211 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:38:53,212 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:38:53,212 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:38:53,213 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:38:53,213 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:38:53,214 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:38:53,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:38:53,215 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:38:53,216 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:38:53,216 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:38:53,216 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:38:53,217 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:38:53,217 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:38:53,217 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:38:53,217 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:38:53,217 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_cec75df8-163e-4c83-a8cc-ad23e1bbbf40/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec75df8-163e-4c83-a8cc-ad23e1bbbf40/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44eacf12db4e9e03ae896c491542075bfb298656743b3655ef171492d8e9e317 [2023-12-03 01:38:53,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:38:53,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:38:53,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:38:53,568 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:38:53,569 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:38:53,570 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec75df8-163e-4c83-a8cc-ad23e1bbbf40/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i [2023-12-03 01:38:56,424 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:38:56,634 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:38:56,634 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec75df8-163e-4c83-a8cc-ad23e1bbbf40/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i [2023-12-03 01:38:56,644 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec75df8-163e-4c83-a8cc-ad23e1bbbf40/bin/ukojak-verify-Qdu7aM0XO9/data/fba2f208b/250446189a664fa78ec1a562af9e371a/FLAGfa4529a49 [2023-12-03 01:38:56,659 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec75df8-163e-4c83-a8cc-ad23e1bbbf40/bin/ukojak-verify-Qdu7aM0XO9/data/fba2f208b/250446189a664fa78ec1a562af9e371a [2023-12-03 01:38:56,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:38:56,662 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:38:56,664 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:38:56,664 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:38:56,667 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:38:56,668 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:38:56" (1/1) ... [2023-12-03 01:38:56,669 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77836b05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:38:56, skipping insertion in model container [2023-12-03 01:38:56,670 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:38:56" (1/1) ... [2023-12-03 01:38:56,693 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:38:56,839 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_cec75df8-163e-4c83-a8cc-ad23e1bbbf40/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i[915,928] [2023-12-03 01:38:56,879 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:38:56,895 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:38:56,909 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_cec75df8-163e-4c83-a8cc-ad23e1bbbf40/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i[915,928] [2023-12-03 01:38:56,928 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:38:56,947 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:38:56,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:38:56 WrapperNode [2023-12-03 01:38:56,948 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:38:56,949 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:38:56,949 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:38:56,949 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:38:56,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:38:56" (1/1) ... [2023-12-03 01:38:56,969 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:38:56" (1/1) ... [2023-12-03 01:38:56,991 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 93 [2023-12-03 01:38:56,991 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:38:56,992 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:38:56,992 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:38:56,992 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:38:57,001 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:38:56" (1/1) ... [2023-12-03 01:38:57,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:38:56" (1/1) ... [2023-12-03 01:38:57,005 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:38:56" (1/1) ... [2023-12-03 01:38:57,006 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:38:56" (1/1) ... [2023-12-03 01:38:57,016 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:38:56" (1/1) ... [2023-12-03 01:38:57,018 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:38:56" (1/1) ... [2023-12-03 01:38:57,021 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:38:56" (1/1) ... [2023-12-03 01:38:57,023 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:38:56" (1/1) ... [2023-12-03 01:38:57,027 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:38:57,029 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:38:57,029 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:38:57,029 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:38:57,030 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:38:56" (1/1) ... [2023-12-03 01:38:57,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:38:57,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec75df8-163e-4c83-a8cc-ad23e1bbbf40/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:38:57,068 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec75df8-163e-4c83-a8cc-ad23e1bbbf40/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:38:57,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec75df8-163e-4c83-a8cc-ad23e1bbbf40/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:38:57,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:38:57,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:38:57,102 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 01:38:57,102 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 01:38:57,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:38:57,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:38:57,180 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:38:57,182 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:38:57,929 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:38:58,026 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:38:58,026 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:38:58,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:38:58 BoogieIcfgContainer [2023-12-03 01:38:58,027 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:38:58,028 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:38:58,028 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:38:58,036 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:38:58,036 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:38:58" (1/1) ... [2023-12-03 01:38:58,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:38:58,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:38:58,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2023-12-03 01:38:58,096 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2023-12-03 01:38:58,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 01:38:58,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:38:58,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:38:58,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec75df8-163e-4c83-a8cc-ad23e1bbbf40/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:38:58,135 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec75df8-163e-4c83-a8cc-ad23e1bbbf40/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:38:58,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec75df8-163e-4c83-a8cc-ad23e1bbbf40/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:38:58,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:38:58,788 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:38:59,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:38:59,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-03 01:38:59,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:46:44,010 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 763 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)