./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-37.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_91a9fc6d-8336-4c66-9595-6ff632931a92/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a9fc6d-8336-4c66-9595-6ff632931a92/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_91a9fc6d-8336-4c66-9595-6ff632931a92/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a9fc6d-8336-4c66-9595-6ff632931a92/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-37.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a9fc6d-8336-4c66-9595-6ff632931a92/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_91a9fc6d-8336-4c66-9595-6ff632931a92/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 e6a9f19f8bc91cee98eed829e929613a36691a9c36f04847231bf1631581216f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:33:33,321 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:33:33,392 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a9fc6d-8336-4c66-9595-6ff632931a92/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 00:33:33,397 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:33:33,397 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:33:33,421 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:33:33,422 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:33:33,422 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:33:33,423 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:33:33,423 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:33:33,424 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:33:33,425 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:33:33,425 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:33:33,426 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:33:33,426 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:33:33,426 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:33:33,427 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:33:33,428 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:33:33,428 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:33:33,428 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:33:33,429 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:33:33,430 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:33:33,430 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:33:33,430 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:33:33,431 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:33:33,431 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:33:33,431 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:33:33,432 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:33:33,432 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:33:33,433 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:33:33,433 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:33:33,433 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:33:33,433 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:33:33,434 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_91a9fc6d-8336-4c66-9595-6ff632931a92/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a9fc6d-8336-4c66-9595-6ff632931a92/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6a9f19f8bc91cee98eed829e929613a36691a9c36f04847231bf1631581216f [2023-12-03 00:33:33,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:33:33,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:33:33,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:33:33,688 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:33:33,689 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:33:33,690 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a9fc6d-8336-4c66-9595-6ff632931a92/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-37.i [2023-12-03 00:33:36,505 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:33:36,669 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:33:36,670 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a9fc6d-8336-4c66-9595-6ff632931a92/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-37.i [2023-12-03 00:33:36,679 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a9fc6d-8336-4c66-9595-6ff632931a92/bin/ukojak-verify-Qdu7aM0XO9/data/47c9897b2/94094b02de7d4a80b1a0d2317aef3b73/FLAG5368d8c07 [2023-12-03 00:33:36,693 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a9fc6d-8336-4c66-9595-6ff632931a92/bin/ukojak-verify-Qdu7aM0XO9/data/47c9897b2/94094b02de7d4a80b1a0d2317aef3b73 [2023-12-03 00:33:36,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:33:36,697 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:33:36,698 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:33:36,698 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:33:36,702 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:33:36,703 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:33:36" (1/1) ... [2023-12-03 00:33:36,704 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dd44b62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:36, skipping insertion in model container [2023-12-03 00:33:36,704 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:33:36" (1/1) ... [2023-12-03 00:33:36,729 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:33:36,850 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_91a9fc6d-8336-4c66-9595-6ff632931a92/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-37.i[915,928] [2023-12-03 00:33:36,891 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:33:36,903 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:33:36,913 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_91a9fc6d-8336-4c66-9595-6ff632931a92/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-37.i[915,928] [2023-12-03 00:33:36,935 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:33:36,952 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:33:36,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:36 WrapperNode [2023-12-03 00:33:36,953 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:33:36,954 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:33:36,954 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:33:36,954 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:33:36,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:36" (1/1) ... [2023-12-03 00:33:36,970 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:36" (1/1) ... [2023-12-03 00:33:37,011 INFO L138 Inliner]: procedures = 26, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 115 [2023-12-03 00:33:37,011 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:33:37,012 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:33:37,012 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:33:37,012 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:33:37,020 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:36" (1/1) ... [2023-12-03 00:33:37,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:36" (1/1) ... [2023-12-03 00:33:37,023 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:36" (1/1) ... [2023-12-03 00:33:37,023 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:36" (1/1) ... [2023-12-03 00:33:37,044 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:36" (1/1) ... [2023-12-03 00:33:37,047 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:36" (1/1) ... [2023-12-03 00:33:37,050 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:36" (1/1) ... [2023-12-03 00:33:37,053 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:36" (1/1) ... [2023-12-03 00:33:37,057 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:33:37,058 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:33:37,058 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:33:37,058 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:33:37,059 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:36" (1/1) ... [2023-12-03 00:33:37,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:33:37,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a9fc6d-8336-4c66-9595-6ff632931a92/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:33:37,090 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a9fc6d-8336-4c66-9595-6ff632931a92/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:33:37,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a9fc6d-8336-4c66-9595-6ff632931a92/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:33:37,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:33:37,124 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 00:33:37,124 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 00:33:37,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:33:37,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:33:37,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:33:37,194 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:33:37,196 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:33:37,489 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:33:37,693 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:33:37,693 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:33:37,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:33:37 BoogieIcfgContainer [2023-12-03 00:33:37,695 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:33:37,696 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:33:37,696 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:33:37,706 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:33:37,706 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:33:37" (1/1) ... [2023-12-03 00:33:37,716 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:33:37,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:37,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2023-12-03 00:33:37,773 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2023-12-03 00:33:37,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 00:33:37,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:37,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:33:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:33:38,035 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:33:38,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:33:38,166 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 00:33:38,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:33:38 ImpRootNode [2023-12-03 00:33:38,212 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:33:38,212 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:33:38,213 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:33:38,213 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:33:38,213 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:33:37" (3/4) ... [2023-12-03 00:33:38,215 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 00:33:38,216 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:33:38,217 INFO L158 Benchmark]: Toolchain (without parser) took 1520.41ms. Allocated memory is still 192.9MB. Free memory was 155.6MB in the beginning and 129.0MB in the end (delta: 26.6MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2023-12-03 00:33:38,218 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 109.1MB. Free memory is still 57.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:33:38,219 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.44ms. Allocated memory is still 192.9MB. Free memory was 155.1MB in the beginning and 143.0MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 00:33:38,219 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.23ms. Allocated memory is still 192.9MB. Free memory was 143.0MB in the beginning and 139.2MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 00:33:38,220 INFO L158 Benchmark]: Boogie Preprocessor took 45.32ms. Allocated memory is still 192.9MB. Free memory was 139.2MB in the beginning and 137.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:33:38,221 INFO L158 Benchmark]: RCFGBuilder took 637.16ms. Allocated memory is still 192.9MB. Free memory was 137.5MB in the beginning and 150.8MB in the end (delta: -13.3MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2023-12-03 00:33:38,221 INFO L158 Benchmark]: CodeCheck took 515.95ms. Allocated memory is still 192.9MB. Free memory was 150.8MB in the beginning and 129.0MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 00:33:38,222 INFO L158 Benchmark]: Witness Printer took 4.21ms. Allocated memory is still 192.9MB. Free memory is still 129.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:33:38,225 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, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 81, overapproximation of bitwiseOr at line 37. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 8; [L23] unsigned short int var_1_2 = 59049; [L24] unsigned char var_1_6 = 4; [L25] unsigned char var_1_7 = 1; [L26] unsigned char var_1_8 = 64; [L27] unsigned long int var_1_9 = 64; [L28] unsigned long int var_1_10 = 1776833134; [L29] signed long int var_1_11 = -16; [L30] double var_1_12 = 0.25; [L31] double var_1_13 = 5.5; [L32] unsigned char last_1_var_1_8 = 64; [L33] signed long int last_1_var_1_11 = -16; [L85] isInitial = 1 [L86] FCALL initially() [L87] COND TRUE 1 [L88] CALL updateLastVariables() [L77] last_1_var_1_8 = var_1_8 [L78] last_1_var_1_11 = var_1_11 [L88] RET updateLastVariables() [L89] CALL updateVariables() [L61] var_1_2 = __VERIFIER_nondet_ushort() [L62] CALL assume_abort_if_not(var_1_2 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=65535, var_1_6=4, var_1_7=1, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not(var_1_2 >= 32767) VAL [isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=65535, var_1_6=4, var_1_7=1, var_1_8=64, var_1_9=64] [L63] CALL assume_abort_if_not(var_1_2 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=65535, var_1_6=4, var_1_7=1, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_2 <= 65535) VAL [isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=65535, var_1_6=4, var_1_7=1, var_1_8=64, var_1_9=64] [L64] var_1_6 = __VERIFIER_nondet_uchar() [L65] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=65535, var_1_7=1, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=65535, var_1_7=1, var_1_8=64, var_1_9=64] [L66] CALL assume_abort_if_not(var_1_6 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=65535, var_1_6=254, var_1_7=1, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_6 <= 254) VAL [isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=65535, var_1_6=254, var_1_7=1, var_1_8=64, var_1_9=64] [L67] var_1_7 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=65535, var_1_6=254, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=65535, var_1_6=254, var_1_8=64, var_1_9=64] [L69] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=65535, var_1_6=254, var_1_7=1, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=65535, var_1_6=254, var_1_7=1, var_1_8=64, var_1_9=64] [L70] var_1_10 = __VERIFIER_nondet_ulong() [L71] CALL assume_abort_if_not(var_1_10 >= 1073741824) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=2147483647, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=65535, var_1_6=254, var_1_7=1, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_10 >= 1073741824) VAL [isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=2147483647, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=65535, var_1_6=254, var_1_7=1, var_1_8=64, var_1_9=64] [L72] CALL assume_abort_if_not(var_1_10 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=2147483647, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=65535, var_1_6=254, var_1_7=1, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_10 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=2147483647, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=65535, var_1_6=254, var_1_7=1, var_1_8=64, var_1_9=64] [L73] var_1_13 = __VERIFIER_nondet_double() [L74] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=2147483647, var_1_11=-16, var_1_12=1/4, var_1_1=8, var_1_2=65535, var_1_6=254, var_1_7=1, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=2147483647, var_1_11=-16, var_1_12=1/4, var_1_1=8, var_1_2=65535, var_1_6=254, var_1_7=1, var_1_8=64, var_1_9=64] [L89] RET updateVariables() [L90] CALL step() [L37] EXPR (var_1_2 - last_1_var_1_8) ^ (last_1_var_1_8 * last_1_var_1_11) [L37] COND TRUE ((var_1_2 - last_1_var_1_8) ^ (last_1_var_1_8 * last_1_var_1_11)) <= -64 [L38] var_1_1 = ((((1) < (((((16) > (var_1_6)) ? (16) : (var_1_6))))) ? (1) : (((((16) > (var_1_6)) ? (16) : (var_1_6)))))) [L44] var_1_11 = var_1_1 [L45] COND TRUE var_1_1 >= ((((var_1_11 / var_1_2) < 0 ) ? -(var_1_11 / var_1_2) : (var_1_11 / var_1_2))) [L46] var_1_8 = var_1_6 [L52] unsigned char stepLocal_0 = var_1_1; [L53] COND FALSE !(var_1_1 > stepLocal_0) [L56] var_1_9 = ((1228227409u + var_1_10) - var_1_11) [L58] var_1_12 = var_1_13 [L90] RET step() [L91] CALL, EXPR property() [L81] EXPR (var_1_2 - last_1_var_1_8) ^ (last_1_var_1_8 * last_1_var_1_11) [L81-L82] return (((((((var_1_2 - last_1_var_1_8) ^ (last_1_var_1_8 * last_1_var_1_11)) <= -64) ? (var_1_1 == ((unsigned char) ((((1) < (((((16) > (var_1_6)) ? (16) : (var_1_6))))) ? (1) : (((((16) > (var_1_6)) ? (16) : (var_1_6)))))))) : (var_1_7 ? (var_1_1 == ((unsigned char) var_1_6)) : 1)) && ((var_1_1 >= ((((var_1_11 / var_1_2) < 0 ) ? -(var_1_11 / var_1_2) : (var_1_11 / var_1_2)))) ? (var_1_8 == ((unsigned char) var_1_6)) : (var_1_7 ? (var_1_8 == ((unsigned char) var_1_6)) : 1))) && ((var_1_1 > var_1_1) ? (var_1_9 == ((unsigned long int) var_1_2)) : (var_1_9 == ((unsigned long int) ((1228227409u + var_1_10) - var_1_11))))) && (var_1_11 == ((signed long int) var_1_1))) && (var_1_12 == ((double) var_1_13)) ; [L91] RET, EXPR property() [L91] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=2147483647, var_1_11=1, var_1_12=2, var_1_13=2, var_1_1=1, var_1_2=65535, var_1_6=254, var_1_7=1, var_1_8=254, var_1_9=3375711055] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=2147483647, var_1_11=1, var_1_12=2, var_1_13=2, var_1_1=1, var_1_2=65535, var_1_6=254, var_1_7=1, var_1_8=254, var_1_9=3375711055] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 109.1MB. Free memory is still 57.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 255.44ms. Allocated memory is still 192.9MB. Free memory was 155.1MB in the beginning and 143.0MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.23ms. Allocated memory is still 192.9MB. Free memory was 143.0MB in the beginning and 139.2MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.32ms. Allocated memory is still 192.9MB. Free memory was 139.2MB in the beginning and 137.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 637.16ms. Allocated memory is still 192.9MB. Free memory was 137.5MB in the beginning and 150.8MB in the end (delta: -13.3MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. * CodeCheck took 515.95ms. Allocated memory is still 192.9MB. Free memory was 150.8MB in the beginning and 129.0MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 4.21ms. Allocated memory is still 192.9MB. Free memory is still 129.0MB. 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 00:33:38,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a9fc6d-8336-4c66-9595-6ff632931a92/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_91a9fc6d-8336-4c66-9595-6ff632931a92/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a9fc6d-8336-4c66-9595-6ff632931a92/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_91a9fc6d-8336-4c66-9595-6ff632931a92/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a9fc6d-8336-4c66-9595-6ff632931a92/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-37.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a9fc6d-8336-4c66-9595-6ff632931a92/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_91a9fc6d-8336-4c66-9595-6ff632931a92/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 e6a9f19f8bc91cee98eed829e929613a36691a9c36f04847231bf1631581216f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:33:40,221 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:33:40,289 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a9fc6d-8336-4c66-9595-6ff632931a92/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 00:33:40,318 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:33:40,319 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:33:40,320 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:33:40,321 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:33:40,321 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:33:40,322 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:33:40,322 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:33:40,323 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:33:40,323 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:33:40,324 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:33:40,324 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:33:40,325 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:33:40,325 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:33:40,326 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:33:40,326 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:33:40,327 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:33:40,327 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:33:40,327 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:33:40,328 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:33:40,328 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:33:40,329 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:33:40,329 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:33:40,330 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:40,330 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:33:40,331 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:33:40,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:33:40,331 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:33:40,332 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:33:40,332 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:33:40,333 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:33:40,333 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:40,334 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:33:40,334 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:33:40,334 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:33:40,335 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_91a9fc6d-8336-4c66-9595-6ff632931a92/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a9fc6d-8336-4c66-9595-6ff632931a92/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6a9f19f8bc91cee98eed829e929613a36691a9c36f04847231bf1631581216f [2023-12-03 00:33:40,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:33:40,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:33:40,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:33:40,655 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:33:40,655 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:33:40,656 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a9fc6d-8336-4c66-9595-6ff632931a92/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-37.i [2023-12-03 00:33:43,434 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:33:43,636 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:33:43,636 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a9fc6d-8336-4c66-9595-6ff632931a92/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-37.i [2023-12-03 00:33:43,645 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a9fc6d-8336-4c66-9595-6ff632931a92/bin/ukojak-verify-Qdu7aM0XO9/data/154908b76/1ecef759470d46faa978b826512d0f5c/FLAG0207771b9 [2023-12-03 00:33:43,661 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a9fc6d-8336-4c66-9595-6ff632931a92/bin/ukojak-verify-Qdu7aM0XO9/data/154908b76/1ecef759470d46faa978b826512d0f5c [2023-12-03 00:33:43,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:33:43,665 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:33:43,667 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:33:43,667 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:33:43,672 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:33:43,672 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:33:43" (1/1) ... [2023-12-03 00:33:43,674 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 03.12 12:33:43, skipping insertion in model container [2023-12-03 00:33:43,674 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:33:43" (1/1) ... [2023-12-03 00:33:43,701 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:33:43,858 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_91a9fc6d-8336-4c66-9595-6ff632931a92/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-37.i[915,928] [2023-12-03 00:33:43,894 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:33:43,909 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:33:43,923 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_91a9fc6d-8336-4c66-9595-6ff632931a92/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-37.i[915,928] [2023-12-03 00:33:43,940 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:33:43,959 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:33:43,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:43 WrapperNode [2023-12-03 00:33:43,960 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:33:43,961 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:33:43,962 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:33:43,962 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:33:43,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:43" (1/1) ... [2023-12-03 00:33:43,981 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:43" (1/1) ... [2023-12-03 00:33:44,006 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 86 [2023-12-03 00:33:44,006 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:33:44,007 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:33:44,007 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:33:44,008 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:33:44,017 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:43" (1/1) ... [2023-12-03 00:33:44,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:43" (1/1) ... [2023-12-03 00:33:44,022 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:43" (1/1) ... [2023-12-03 00:33:44,022 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:43" (1/1) ... [2023-12-03 00:33:44,031 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:43" (1/1) ... [2023-12-03 00:33:44,035 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:43" (1/1) ... [2023-12-03 00:33:44,037 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:43" (1/1) ... [2023-12-03 00:33:44,039 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:43" (1/1) ... [2023-12-03 00:33:44,043 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:33:44,044 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:33:44,044 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:33:44,044 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:33:44,045 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:43" (1/1) ... [2023-12-03 00:33:44,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:33:44,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a9fc6d-8336-4c66-9595-6ff632931a92/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:33:44,078 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a9fc6d-8336-4c66-9595-6ff632931a92/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:33:44,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a9fc6d-8336-4c66-9595-6ff632931a92/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:33:44,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:33:44,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:33:44,118 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 00:33:44,118 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 00:33:44,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:33:44,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:33:44,229 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:33:44,232 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:33:44,532 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:33:44,643 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:33:44,644 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:33:44,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:33:44 BoogieIcfgContainer [2023-12-03 00:33:44,646 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:33:44,647 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:33:44,647 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:33:44,658 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:33:44,658 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:33:44" (1/1) ... [2023-12-03 00:33:44,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:33:44,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:44,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2023-12-03 00:33:44,732 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2023-12-03 00:33:44,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 00:33:44,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:44,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:44,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a9fc6d-8336-4c66-9595-6ff632931a92/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:33:44,763 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a9fc6d-8336-4c66-9595-6ff632931a92/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:33:44,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a9fc6d-8336-4c66-9595-6ff632931a92/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:33:45,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:45,164 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:33:45,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:45,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 00:33:45,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:49,810 WARN L293 SmtUtils]: Spent 20.62s on a formula simplification. DAG size of input: 591 DAG size of output: 523 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)