./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-24.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8621b368-eaf7-4af3-b0be-a6de673ff772/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8621b368-eaf7-4af3-b0be-a6de673ff772/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_8621b368-eaf7-4af3-b0be-a6de673ff772/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8621b368-eaf7-4af3-b0be-a6de673ff772/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-24.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8621b368-eaf7-4af3-b0be-a6de673ff772/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_8621b368-eaf7-4af3-b0be-a6de673ff772/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 481fb6163129bcac31bfa5548f3c66416510365b56cd1a0ddcb41986b1359b6e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:32:08,689 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:32:08,755 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8621b368-eaf7-4af3-b0be-a6de673ff772/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 21:32:08,760 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:32:08,761 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:32:08,783 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:32:08,784 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:32:08,785 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:32:08,786 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:32:08,786 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:32:08,787 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:32:08,787 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:32:08,788 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:32:08,788 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:32:08,789 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:32:08,789 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:32:08,790 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:32:08,790 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:32:08,791 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:32:08,791 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:32:08,792 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:32:08,793 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:32:08,793 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:32:08,793 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:32:08,794 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:32:08,794 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:32:08,795 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:32:08,795 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:32:08,796 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:32:08,796 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:32:08,796 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:32:08,797 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:32:08,797 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:32:08,797 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_8621b368-eaf7-4af3-b0be-a6de673ff772/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8621b368-eaf7-4af3-b0be-a6de673ff772/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 481fb6163129bcac31bfa5548f3c66416510365b56cd1a0ddcb41986b1359b6e [2023-12-02 21:32:09,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:32:09,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:32:09,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:32:09,036 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:32:09,037 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:32:09,038 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8621b368-eaf7-4af3-b0be-a6de673ff772/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-24.i [2023-12-02 21:32:11,806 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:32:11,986 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:32:11,987 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8621b368-eaf7-4af3-b0be-a6de673ff772/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-24.i [2023-12-02 21:32:11,997 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8621b368-eaf7-4af3-b0be-a6de673ff772/bin/ukojak-verify-Qdu7aM0XO9/data/bfe870491/eef0eba168a94a9385fd12988514a497/FLAG85b65e8dc [2023-12-02 21:32:12,011 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8621b368-eaf7-4af3-b0be-a6de673ff772/bin/ukojak-verify-Qdu7aM0XO9/data/bfe870491/eef0eba168a94a9385fd12988514a497 [2023-12-02 21:32:12,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:32:12,015 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:32:12,017 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:32:12,017 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:32:12,020 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:32:12,021 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:32:12" (1/1) ... [2023-12-02 21:32:12,022 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d912762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:12, skipping insertion in model container [2023-12-02 21:32:12,022 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:32:12" (1/1) ... [2023-12-02 21:32:12,049 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:32:12,221 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_8621b368-eaf7-4af3-b0be-a6de673ff772/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-24.i[915,928] [2023-12-02 21:32:12,258 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:32:12,267 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:32:12,280 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_8621b368-eaf7-4af3-b0be-a6de673ff772/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-24.i[915,928] [2023-12-02 21:32:12,298 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:32:12,311 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:32:12,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:12 WrapperNode [2023-12-02 21:32:12,312 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:32:12,312 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:32:12,313 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:32:12,313 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:32:12,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:12" (1/1) ... [2023-12-02 21:32:12,327 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:12" (1/1) ... [2023-12-02 21:32:12,352 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 102 [2023-12-02 21:32:12,352 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:32:12,353 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:32:12,353 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:32:12,353 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:32:12,360 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:12" (1/1) ... [2023-12-02 21:32:12,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:12" (1/1) ... [2023-12-02 21:32:12,362 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:12" (1/1) ... [2023-12-02 21:32:12,363 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:12" (1/1) ... [2023-12-02 21:32:12,368 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:12" (1/1) ... [2023-12-02 21:32:12,372 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:12" (1/1) ... [2023-12-02 21:32:12,374 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:12" (1/1) ... [2023-12-02 21:32:12,376 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:12" (1/1) ... [2023-12-02 21:32:12,379 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:32:12,380 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:32:12,380 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:32:12,380 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:32:12,381 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:12" (1/1) ... [2023-12-02 21:32:12,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:32:12,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8621b368-eaf7-4af3-b0be-a6de673ff772/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:32:12,418 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8621b368-eaf7-4af3-b0be-a6de673ff772/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:32:12,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8621b368-eaf7-4af3-b0be-a6de673ff772/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:32:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:32:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 21:32:12,453 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 21:32:12,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:32:12,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:32:12,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:32:12,522 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:32:12,524 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:32:12,734 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:32:12,829 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:32:12,829 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:32:12,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:32:12 BoogieIcfgContainer [2023-12-02 21:32:12,831 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:32:12,832 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:32:12,832 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:32:12,841 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:32:12,841 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:32:12" (1/1) ... [2023-12-02 21:32:12,848 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:32:12,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:12,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 33 states and 48 transitions. [2023-12-02 21:32:12,891 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 48 transitions. [2023-12-02 21:32:12,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:32:12,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:12,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:13,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:32:13,162 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:32:13,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:32:13,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:32:13,442 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:32:13,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:32:13,519 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:32:13,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:32:13 ImpRootNode [2023-12-02 21:32:13,572 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:32:13,572 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:32:13,572 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:32:13,573 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:32:13,573 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:32:12" (3/4) ... [2023-12-02 21:32:13,575 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:32:13,577 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:32:13,577 INFO L158 Benchmark]: Toolchain (without parser) took 1562.10ms. Allocated memory is still 134.2MB. Free memory was 76.7MB in the beginning and 70.4MB in the end (delta: 6.4MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2023-12-02 21:32:13,578 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 94.4MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:32:13,579 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.34ms. Allocated memory is still 134.2MB. Free memory was 76.6MB in the beginning and 104.1MB in the end (delta: -27.5MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2023-12-02 21:32:13,579 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.71ms. Allocated memory is still 134.2MB. Free memory was 104.1MB in the beginning and 101.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:32:13,580 INFO L158 Benchmark]: Boogie Preprocessor took 26.80ms. Allocated memory is still 134.2MB. Free memory was 101.3MB in the beginning and 99.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:32:13,580 INFO L158 Benchmark]: RCFGBuilder took 450.82ms. Allocated memory is still 134.2MB. Free memory was 99.6MB in the beginning and 75.8MB in the end (delta: 23.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-02 21:32:13,581 INFO L158 Benchmark]: CodeCheck took 740.02ms. Allocated memory is still 134.2MB. Free memory was 75.8MB in the beginning and 71.0MB in the end (delta: 4.8MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2023-12-02 21:32:13,582 INFO L158 Benchmark]: Witness Printer took 4.29ms. Allocated memory is still 134.2MB. Free memory was 71.0MB in the beginning and 70.4MB in the end (delta: 612.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:32:13,585 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, 33 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, 58 NumberOfCodeBlocks, 58 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 37. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 32; [L23] unsigned char var_1_2 = 0; [L24] float var_1_3 = 127.1; [L25] signed char var_1_4 = 16; [L26] signed char var_1_5 = 4; [L27] unsigned char var_1_6 = 8; [L28] float var_1_7 = 1000000.6; [L29] unsigned char var_1_8 = 64; [L30] unsigned char var_1_9 = 64; [L31] unsigned char var_1_10 = 128; [L32] unsigned char var_1_11 = 32; [L33] float var_1_12 = 16.8; [L92] isInitial = 1 [L93] FCALL initially() [L94] COND TRUE 1 [L95] FCALL updateLastVariables() [L96] CALL updateVariables() [L60] var_1_2 = __VERIFIER_nondet_uchar() [L61] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_3=1271/10, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_3=1271/10, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L62] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_3=1271/10, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_3=1271/10, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L63] var_1_3 = __VERIFIER_nondet_float() [L64] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L65] var_1_4 = __VERIFIER_nondet_char() [L66] CALL assume_abort_if_not(var_1_4 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=0, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_4 >= -1) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=0, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L67] CALL assume_abort_if_not(var_1_4 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=0, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_4 <= 126) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=0, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L68] var_1_5 = __VERIFIER_nondet_char() [L69] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=0, var_1_5=0, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=0, var_1_5=0, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L70] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=0, var_1_5=0, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=0, var_1_5=0, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L71] var_1_7 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=0, var_1_5=0, var_1_6=8, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=0, var_1_5=0, var_1_6=8, var_1_8=64, var_1_9=64] [L73] var_1_8 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_8 >= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=0, var_1_5=0, var_1_6=8, var_1_8=74, var_1_9=64] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_8 >= 63) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=0, var_1_5=0, var_1_6=8, var_1_8=74, var_1_9=64] [L75] CALL assume_abort_if_not(var_1_8 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=0, var_1_5=0, var_1_6=8, var_1_8=74, var_1_9=64] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_8 <= 127) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=0, var_1_5=0, var_1_6=8, var_1_8=74, var_1_9=64] [L76] var_1_9 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_9 >= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=0, var_1_5=0, var_1_6=8, var_1_8=74, var_1_9=127] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_9 >= 64) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=0, var_1_5=0, var_1_6=8, var_1_8=74, var_1_9=127] [L78] CALL assume_abort_if_not(var_1_9 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=0, var_1_5=0, var_1_6=8, var_1_8=74, var_1_9=127] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_9 <= 127) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=0, var_1_5=0, var_1_6=8, var_1_8=74, var_1_9=127] [L79] var_1_10 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_10 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=0, var_1_5=0, var_1_6=8, var_1_8=74, var_1_9=127] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_10 >= 127) VAL [isInitial=1, var_1_10=200, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=0, var_1_5=0, var_1_6=8, var_1_8=74, var_1_9=127] [L81] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=0, var_1_5=0, var_1_6=8, var_1_8=74, var_1_9=127] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, var_1_10=200, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=0, var_1_5=0, var_1_6=8, var_1_8=74, var_1_9=127] [L82] var_1_12 = __VERIFIER_nondet_float() [L83] CALL assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=32, var_1_1=32, var_1_2=1, var_1_4=0, var_1_5=0, var_1_6=8, var_1_8=74, var_1_9=127] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=200, var_1_11=32, var_1_1=32, var_1_2=1, var_1_4=0, var_1_5=0, var_1_6=8, var_1_8=74, var_1_9=127] [L96] RET updateVariables() [L97] CALL step() [L37] COND TRUE var_1_2 || (64.75f < var_1_3) [L38] COND TRUE \read(var_1_2) [L39] var_1_1 = (var_1_4 - var_1_5) [L46] COND TRUE var_1_3 <= var_1_7 [L47] var_1_6 = ((((((var_1_8 + var_1_9)) > (((((var_1_10) > (200)) ? (var_1_10) : (200))))) ? ((var_1_8 + var_1_9)) : (((((var_1_10) > (200)) ? (var_1_10) : (200)))))) - var_1_5) [L51] COND FALSE !(((((var_1_6) > (var_1_8)) ? (var_1_6) : (var_1_8))) <= var_1_10) [L97] RET step() [L98] CALL, EXPR property() [L88-L89] return (((var_1_2 || (64.75f < var_1_3)) ? (var_1_2 ? (var_1_1 == ((signed char) (var_1_4 - var_1_5))) : (var_1_1 == ((signed char) var_1_4))) : (var_1_1 == ((signed char) var_1_5))) && ((var_1_3 <= var_1_7) ? (var_1_6 == ((unsigned char) ((((((var_1_8 + var_1_9)) > (((((var_1_10) > (200)) ? (var_1_10) : (200))))) ? ((var_1_8 + var_1_9)) : (((((var_1_10) > (200)) ? (var_1_10) : (200)))))) - var_1_5))) : (var_1_6 == ((unsigned char) var_1_10)))) && ((((((var_1_6) > (var_1_8)) ? (var_1_6) : (var_1_8))) <= var_1_10) ? ((var_1_3 == (var_1_7 + var_1_12)) ? (var_1_11 == ((unsigned char) (var_1_9 + var_1_5))) : (var_1_11 == ((unsigned char) var_1_9))) : 1) ; [L98] RET, EXPR property() [L98] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=200, var_1_11=32, var_1_1=0, var_1_2=1, var_1_4=0, var_1_5=0, var_1_6=201, var_1_8=74, var_1_9=127] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=200, var_1_11=32, var_1_1=0, var_1_2=1, var_1_4=0, var_1_5=0, var_1_6=201, var_1_8=74, var_1_9=127] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 94.4MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.34ms. Allocated memory is still 134.2MB. Free memory was 76.6MB in the beginning and 104.1MB in the end (delta: -27.5MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.71ms. Allocated memory is still 134.2MB. Free memory was 104.1MB in the beginning and 101.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.80ms. Allocated memory is still 134.2MB. Free memory was 101.3MB in the beginning and 99.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 450.82ms. Allocated memory is still 134.2MB. Free memory was 99.6MB in the beginning and 75.8MB in the end (delta: 23.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 740.02ms. Allocated memory is still 134.2MB. Free memory was 75.8MB in the beginning and 71.0MB in the end (delta: 4.8MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Witness Printer took 4.29ms. Allocated memory is still 134.2MB. Free memory was 71.0MB in the beginning and 70.4MB in the end (delta: 612.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 21:32:13,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8621b368-eaf7-4af3-b0be-a6de673ff772/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8621b368-eaf7-4af3-b0be-a6de673ff772/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8621b368-eaf7-4af3-b0be-a6de673ff772/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_8621b368-eaf7-4af3-b0be-a6de673ff772/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8621b368-eaf7-4af3-b0be-a6de673ff772/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-24.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8621b368-eaf7-4af3-b0be-a6de673ff772/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_8621b368-eaf7-4af3-b0be-a6de673ff772/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 481fb6163129bcac31bfa5548f3c66416510365b56cd1a0ddcb41986b1359b6e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:32:15,578 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:32:15,651 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8621b368-eaf7-4af3-b0be-a6de673ff772/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 21:32:15,682 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:32:15,683 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:32:15,684 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:32:15,685 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:32:15,685 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:32:15,685 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:32:15,686 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:32:15,687 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:32:15,687 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:32:15,687 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:32:15,688 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:32:15,689 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:32:15,689 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:32:15,690 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:32:15,690 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:32:15,691 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:32:15,691 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:32:15,692 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:32:15,692 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:32:15,693 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:32:15,693 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:32:15,694 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:32:15,694 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:15,695 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:32:15,695 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:32:15,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:32:15,696 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:32:15,697 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:32:15,697 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:32:15,698 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:32:15,698 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:15,698 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:32:15,699 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:32:15,699 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:32:15,699 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_8621b368-eaf7-4af3-b0be-a6de673ff772/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8621b368-eaf7-4af3-b0be-a6de673ff772/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 481fb6163129bcac31bfa5548f3c66416510365b56cd1a0ddcb41986b1359b6e [2023-12-02 21:32:15,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:32:16,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:32:16,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:32:16,012 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:32:16,012 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:32:16,013 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8621b368-eaf7-4af3-b0be-a6de673ff772/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-24.i [2023-12-02 21:32:18,872 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:32:19,054 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:32:19,054 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8621b368-eaf7-4af3-b0be-a6de673ff772/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-24.i [2023-12-02 21:32:19,065 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8621b368-eaf7-4af3-b0be-a6de673ff772/bin/ukojak-verify-Qdu7aM0XO9/data/4f0325303/f2ce9ad15a5949d98befb3da86b06dcd/FLAG98e2c1e0c [2023-12-02 21:32:19,082 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8621b368-eaf7-4af3-b0be-a6de673ff772/bin/ukojak-verify-Qdu7aM0XO9/data/4f0325303/f2ce9ad15a5949d98befb3da86b06dcd [2023-12-02 21:32:19,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:32:19,086 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:32:19,088 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:32:19,088 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:32:19,093 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:32:19,094 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:32:19" (1/1) ... [2023-12-02 21:32:19,095 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c012e3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:19, skipping insertion in model container [2023-12-02 21:32:19,095 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:32:19" (1/1) ... [2023-12-02 21:32:19,148 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:32:19,297 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_8621b368-eaf7-4af3-b0be-a6de673ff772/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-24.i[915,928] [2023-12-02 21:32:19,338 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:32:19,356 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:32:19,368 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_8621b368-eaf7-4af3-b0be-a6de673ff772/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-24.i[915,928] [2023-12-02 21:32:19,390 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:32:19,407 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:32:19,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:19 WrapperNode [2023-12-02 21:32:19,408 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:32:19,409 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:32:19,409 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:32:19,409 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:32:19,416 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:19" (1/1) ... [2023-12-02 21:32:19,428 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:19" (1/1) ... [2023-12-02 21:32:19,456 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 100 [2023-12-02 21:32:19,457 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:32:19,458 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:32:19,458 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:32:19,458 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:32:19,466 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:19" (1/1) ... [2023-12-02 21:32:19,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:19" (1/1) ... [2023-12-02 21:32:19,471 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:19" (1/1) ... [2023-12-02 21:32:19,471 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:19" (1/1) ... [2023-12-02 21:32:19,481 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:19" (1/1) ... [2023-12-02 21:32:19,485 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:19" (1/1) ... [2023-12-02 21:32:19,488 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:19" (1/1) ... [2023-12-02 21:32:19,490 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:19" (1/1) ... [2023-12-02 21:32:19,495 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:32:19,496 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:32:19,496 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:32:19,496 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:32:19,497 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:19" (1/1) ... [2023-12-02 21:32:19,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:32:19,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8621b368-eaf7-4af3-b0be-a6de673ff772/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:32:19,528 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8621b368-eaf7-4af3-b0be-a6de673ff772/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:32:19,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8621b368-eaf7-4af3-b0be-a6de673ff772/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:32:19,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:32:19,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:32:19,569 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 21:32:19,569 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 21:32:19,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:32:19,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:32:19,646 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:32:19,648 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:32:20,112 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:32:20,221 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:32:20,221 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:32:20,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:32:20 BoogieIcfgContainer [2023-12-02 21:32:20,223 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:32:20,224 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:32:20,225 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:32:20,233 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:32:20,233 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:32:20" (1/1) ... [2023-12-02 21:32:20,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:32:20,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:20,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 33 states and 48 transitions. [2023-12-02 21:32:20,293 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 48 transitions. [2023-12-02 21:32:20,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:32:20,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:20,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:20,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8621b368-eaf7-4af3-b0be-a6de673ff772/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:20,300 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8621b368-eaf7-4af3-b0be-a6de673ff772/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:20,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8621b368-eaf7-4af3-b0be-a6de673ff772/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:32:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:20,886 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:21,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 21:32:21,044 INFO L285 TraceCheckSpWp]: Computing forward predicates...