./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-54.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_2b1bae45-f405-4111-91da-57b363fc0552/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1bae45-f405-4111-91da-57b363fc0552/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_2b1bae45-f405-4111-91da-57b363fc0552/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1bae45-f405-4111-91da-57b363fc0552/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-54.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1bae45-f405-4111-91da-57b363fc0552/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_2b1bae45-f405-4111-91da-57b363fc0552/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 8cfcfd272855d27ce62fb23250668d204eb8b7cef032f32eb6bf38a181db8911 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:34:31,537 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:34:31,610 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1bae45-f405-4111-91da-57b363fc0552/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:34:31,614 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:34:31,615 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:34:31,639 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:34:31,640 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:34:31,641 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:34:31,642 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:34:31,642 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:34:31,643 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:34:31,643 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:34:31,644 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:34:31,644 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:34:31,645 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:34:31,645 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:34:31,646 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:34:31,646 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:34:31,647 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:34:31,647 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:34:31,648 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:34:31,649 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:34:31,649 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:34:31,650 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:34:31,650 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:34:31,651 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:34:31,651 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:34:31,652 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:34:31,652 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:34:31,652 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:34:31,653 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:34:31,653 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:34:31,654 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:34:31,654 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_2b1bae45-f405-4111-91da-57b363fc0552/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1bae45-f405-4111-91da-57b363fc0552/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8cfcfd272855d27ce62fb23250668d204eb8b7cef032f32eb6bf38a181db8911 [2023-12-03 01:34:31,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:34:31,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:34:31,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:34:31,944 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:34:31,945 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:34:31,946 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1bae45-f405-4111-91da-57b363fc0552/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-54.i [2023-12-03 01:34:34,779 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:34:34,961 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:34:34,962 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1bae45-f405-4111-91da-57b363fc0552/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-54.i [2023-12-03 01:34:34,972 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1bae45-f405-4111-91da-57b363fc0552/bin/ukojak-verify-Qdu7aM0XO9/data/176be99f0/e36ec6c21b14483d8889af98e3b112bc/FLAGb31fbb2f9 [2023-12-03 01:34:34,988 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1bae45-f405-4111-91da-57b363fc0552/bin/ukojak-verify-Qdu7aM0XO9/data/176be99f0/e36ec6c21b14483d8889af98e3b112bc [2023-12-03 01:34:34,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:34:34,993 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:34:34,994 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:34:34,994 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:34:34,999 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:34:35,000 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:34:34" (1/1) ... [2023-12-03 01:34:35,002 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75e392c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:35, skipping insertion in model container [2023-12-03 01:34:35,002 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:34:34" (1/1) ... [2023-12-03 01:34:35,033 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:34:35,190 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_2b1bae45-f405-4111-91da-57b363fc0552/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-54.i[915,928] [2023-12-03 01:34:35,250 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:34:35,264 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:34:35,279 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_2b1bae45-f405-4111-91da-57b363fc0552/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-54.i[915,928] [2023-12-03 01:34:35,306 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:34:35,322 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:34:35,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:35 WrapperNode [2023-12-03 01:34:35,323 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:34:35,324 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:34:35,324 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:34:35,324 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:34:35,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:35" (1/1) ... [2023-12-03 01:34:35,344 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:35" (1/1) ... [2023-12-03 01:34:35,372 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 95 [2023-12-03 01:34:35,372 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:34:35,373 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:34:35,373 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:34:35,373 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:34:35,383 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:35" (1/1) ... [2023-12-03 01:34:35,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:35" (1/1) ... [2023-12-03 01:34:35,386 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:35" (1/1) ... [2023-12-03 01:34:35,387 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:35" (1/1) ... [2023-12-03 01:34:35,395 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:35" (1/1) ... [2023-12-03 01:34:35,399 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:35" (1/1) ... [2023-12-03 01:34:35,401 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:35" (1/1) ... [2023-12-03 01:34:35,403 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:35" (1/1) ... [2023-12-03 01:34:35,407 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:34:35,408 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:34:35,408 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:34:35,408 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:34:35,409 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:35" (1/1) ... [2023-12-03 01:34:35,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:34:35,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1bae45-f405-4111-91da-57b363fc0552/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:34:35,446 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1bae45-f405-4111-91da-57b363fc0552/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:34:35,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1bae45-f405-4111-91da-57b363fc0552/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:34:35,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:34:35,481 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 01:34:35,481 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 01:34:35,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:34:35,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:34:35,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:34:35,563 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:34:35,566 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:34:35,796 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:34:35,934 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:34:35,934 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:34:35,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:34:35 BoogieIcfgContainer [2023-12-03 01:34:35,936 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:34:35,937 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:34:35,938 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:34:35,949 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:34:35,949 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:34:35" (1/1) ... [2023-12-03 01:34:35,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:34:36,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:34:36,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-12-03 01:34:36,009 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-12-03 01:34:36,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 01:34:36,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:34:36,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:34:36,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:34:36,312 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:34:36,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:34:36,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:34:36,544 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:34:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:34:36,624 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 01:34:36,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:34:36 ImpRootNode [2023-12-03 01:34:36,678 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:34:36,679 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:34:36,679 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:34:36,679 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:34:36,680 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:34:35" (3/4) ... [2023-12-03 01:34:36,682 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 01:34:36,684 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:34:36,685 INFO L158 Benchmark]: Toolchain (without parser) took 1692.04ms. Allocated memory was 151.0MB in the beginning and 195.0MB in the end (delta: 44.0MB). Free memory was 105.1MB in the beginning and 119.6MB in the end (delta: -14.5MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2023-12-03 01:34:36,686 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 151.0MB. Free memory is still 124.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:34:36,687 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.06ms. Allocated memory is still 151.0MB. Free memory was 105.1MB in the beginning and 92.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 01:34:36,687 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.30ms. Allocated memory is still 151.0MB. Free memory was 92.5MB in the beginning and 90.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:34:36,688 INFO L158 Benchmark]: Boogie Preprocessor took 34.39ms. Allocated memory is still 151.0MB. Free memory was 90.0MB in the beginning and 88.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:34:36,689 INFO L158 Benchmark]: RCFGBuilder took 528.79ms. Allocated memory was 151.0MB in the beginning and 195.0MB in the end (delta: 44.0MB). Free memory was 87.9MB in the beginning and 161.5MB in the end (delta: -73.6MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2023-12-03 01:34:36,690 INFO L158 Benchmark]: CodeCheck took 740.88ms. Allocated memory is still 195.0MB. Free memory was 161.5MB in the beginning and 119.6MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-12-03 01:34:36,690 INFO L158 Benchmark]: Witness Printer took 5.01ms. Allocated memory is still 195.0MB. Free memory is still 119.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:34:36,695 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, 26 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, 43 NumberOfCodeBlocks, 43 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 81. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 16; [L23] unsigned char var_1_3 = 10; [L24] unsigned char var_1_4 = 0; [L25] unsigned char var_1_6 = 1; [L26] unsigned char var_1_7 = 0; [L27] unsigned char var_1_8 = 0; [L28] unsigned long int var_1_9 = 5; [L29] unsigned long int var_1_10 = 3126062476; [L30] unsigned short int var_1_13 = 10; [L31] signed long int var_1_14 = 128; [L32] float var_1_15 = 4.2; [L33] float var_1_16 = 5.1; [L85] isInitial = 1 [L86] FCALL initially() [L87] int k_loop; [L88] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=3126062476, var_1_13=10, var_1_14=128, var_1_15=21/5, var_1_16=51/10, var_1_1=16, var_1_3=10, var_1_4=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L88] COND TRUE k_loop < 1 [L89] FCALL updateLastVariables() [L90] CALL updateVariables() [L60] var_1_3 = __VERIFIER_nondet_uchar() [L61] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=3126062476, var_1_13=10, var_1_14=128, var_1_15=21/5, var_1_16=51/10, var_1_1=16, var_1_4=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=3126062476, var_1_13=10, var_1_14=128, var_1_15=21/5, var_1_16=51/10, var_1_1=16, var_1_4=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L62] CALL assume_abort_if_not(var_1_3 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=3126062476, var_1_13=10, var_1_14=128, var_1_15=21/5, var_1_16=51/10, var_1_1=16, var_1_3=0, var_1_4=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not(var_1_3 <= 254) VAL [isInitial=1, var_1_10=3126062476, var_1_13=10, var_1_14=128, var_1_15=21/5, var_1_16=51/10, var_1_1=16, var_1_3=0, var_1_4=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L63] var_1_6 = __VERIFIER_nondet_uchar() [L64] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=3126062476, var_1_13=10, var_1_14=128, var_1_15=21/5, var_1_16=51/10, var_1_1=16, var_1_3=0, var_1_4=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=3126062476, var_1_13=10, var_1_14=128, var_1_15=21/5, var_1_16=51/10, var_1_1=16, var_1_3=0, var_1_4=0, var_1_7=0, var_1_8=0, var_1_9=5] [L65] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=3126062476, var_1_13=10, var_1_14=128, var_1_15=21/5, var_1_16=51/10, var_1_1=16, var_1_3=0, var_1_4=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=3126062476, var_1_13=10, var_1_14=128, var_1_15=21/5, var_1_16=51/10, var_1_1=16, var_1_3=0, var_1_4=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L66] var_1_7 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=3126062476, var_1_13=10, var_1_14=128, var_1_15=21/5, var_1_16=51/10, var_1_1=16, var_1_3=0, var_1_4=0, var_1_6=1, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=3126062476, var_1_13=10, var_1_14=128, var_1_15=21/5, var_1_16=51/10, var_1_1=16, var_1_3=0, var_1_4=0, var_1_6=1, var_1_8=0, var_1_9=5] [L68] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=3126062476, var_1_13=10, var_1_14=128, var_1_15=21/5, var_1_16=51/10, var_1_1=16, var_1_3=0, var_1_4=0, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=3126062476, var_1_13=10, var_1_14=128, var_1_15=21/5, var_1_16=51/10, var_1_1=16, var_1_3=0, var_1_4=0, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=5] [L69] var_1_8 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=3126062476, var_1_13=10, var_1_14=128, var_1_15=21/5, var_1_16=51/10, var_1_1=16, var_1_3=0, var_1_4=0, var_1_6=1, var_1_7=1, var_1_9=5] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=3126062476, var_1_13=10, var_1_14=128, var_1_15=21/5, var_1_16=51/10, var_1_1=16, var_1_3=0, var_1_4=0, var_1_6=1, var_1_7=1, var_1_9=5] [L71] CALL assume_abort_if_not(var_1_8 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=3126062476, var_1_13=10, var_1_14=128, var_1_15=21/5, var_1_16=51/10, var_1_1=16, var_1_3=0, var_1_4=0, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_8 <= 0) VAL [isInitial=1, var_1_10=3126062476, var_1_13=10, var_1_14=128, var_1_15=21/5, var_1_16=51/10, var_1_1=16, var_1_3=0, var_1_4=0, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=5] [L72] var_1_10 = __VERIFIER_nondet_ulong() [L73] CALL assume_abort_if_not(var_1_10 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=2147483647, var_1_13=10, var_1_14=128, var_1_15=21/5, var_1_16=51/10, var_1_1=16, var_1_3=0, var_1_4=0, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_10 >= 2147483647) VAL [isInitial=1, var_1_10=2147483647, var_1_13=10, var_1_14=128, var_1_15=21/5, var_1_16=51/10, var_1_1=16, var_1_3=0, var_1_4=0, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=5] [L74] CALL assume_abort_if_not(var_1_10 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=2147483647, var_1_13=10, var_1_14=128, var_1_15=21/5, var_1_16=51/10, var_1_1=16, var_1_3=0, var_1_4=0, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_10 <= 4294967294) VAL [isInitial=1, var_1_10=2147483647, var_1_13=10, var_1_14=128, var_1_15=21/5, var_1_16=51/10, var_1_1=16, var_1_3=0, var_1_4=0, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=5] [L75] var_1_16 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2147483647, var_1_13=10, var_1_14=128, var_1_15=21/5, var_1_1=16, var_1_3=0, var_1_4=0, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2147483647, var_1_13=10, var_1_14=128, var_1_15=21/5, var_1_1=16, var_1_3=0, var_1_4=0, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=5] [L90] RET updateVariables() [L91] CALL step() [L37] var_1_13 = var_1_3 [L38] var_1_14 = var_1_3 [L39] var_1_15 = var_1_16 [L40] unsigned short int stepLocal_0 = var_1_13; [L41] COND FALSE !(-4 >= stepLocal_0) [L44] signed long int stepLocal_2 = var_1_14; [L45] COND FALSE !(var_1_3 < stepLocal_2) [L48] unsigned long int stepLocal_1 = 8 * var_1_9; [L49] COND FALSE !(stepLocal_1 == ((((10) > (var_1_9)) ? (10) : (var_1_9)))) [L56] var_1_4 = var_1_8 [L91] RET step() [L92] CALL, EXPR property() [L81-L82] return ((((((-4 >= var_1_13) ? (var_1_1 == ((unsigned char) ((((var_1_3) < (((((1) < 0 ) ? -(1) : (1))))) ? (var_1_3) : (((((1) < 0 ) ? -(1) : (1)))))))) : 1) && (((8 * var_1_9) == ((((10) > (var_1_9)) ? (10) : (var_1_9)))) ? (var_1_6 ? (var_1_4 == ((unsigned char) (var_1_7 && var_1_8))) : (var_1_4 == ((unsigned char) var_1_8))) : (var_1_4 == ((unsigned char) var_1_8)))) && ((var_1_3 < var_1_14) ? (var_1_9 == ((unsigned long int) (((((3851651024u - var_1_3)) < ((((((var_1_10 - var_1_13)) > ((var_1_1 + var_1_1))) ? ((var_1_10 - var_1_13)) : ((var_1_1 + var_1_1)))))) ? ((3851651024u - var_1_3)) : ((((((var_1_10 - var_1_13)) > ((var_1_1 + var_1_1))) ? ((var_1_10 - var_1_13)) : ((var_1_1 + var_1_1))))))))) : 1)) && (var_1_13 == ((unsigned short int) var_1_3))) && (var_1_14 == ((signed long int) var_1_3))) && (var_1_15 == ((float) var_1_16)) ; [L92] RET, EXPR property() [L92] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2147483647, var_1_13=0, var_1_14=0, var_1_15=2, var_1_16=2, var_1_1=16, var_1_3=0, var_1_4=0, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=5] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2147483647, var_1_13=0, var_1_14=0, var_1_15=2, var_1_16=2, var_1_1=16, var_1_3=0, var_1_4=0, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 151.0MB. Free memory is still 124.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.06ms. Allocated memory is still 151.0MB. Free memory was 105.1MB in the beginning and 92.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.30ms. Allocated memory is still 151.0MB. Free memory was 92.5MB in the beginning and 90.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.39ms. Allocated memory is still 151.0MB. Free memory was 90.0MB in the beginning and 88.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 528.79ms. Allocated memory was 151.0MB in the beginning and 195.0MB in the end (delta: 44.0MB). Free memory was 87.9MB in the beginning and 161.5MB in the end (delta: -73.6MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. * CodeCheck took 740.88ms. Allocated memory is still 195.0MB. Free memory was 161.5MB in the beginning and 119.6MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 5.01ms. Allocated memory is still 195.0MB. Free memory is still 119.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 01:34:36,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1bae45-f405-4111-91da-57b363fc0552/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_2b1bae45-f405-4111-91da-57b363fc0552/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1bae45-f405-4111-91da-57b363fc0552/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_2b1bae45-f405-4111-91da-57b363fc0552/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1bae45-f405-4111-91da-57b363fc0552/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-54.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1bae45-f405-4111-91da-57b363fc0552/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_2b1bae45-f405-4111-91da-57b363fc0552/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 8cfcfd272855d27ce62fb23250668d204eb8b7cef032f32eb6bf38a181db8911 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:34:38,841 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:34:38,930 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1bae45-f405-4111-91da-57b363fc0552/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 01:34:38,965 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:34:38,966 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:34:38,966 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:34:38,967 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:34:38,968 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:34:38,969 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:34:38,969 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:34:38,970 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:34:38,970 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:34:38,971 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:34:38,971 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:34:38,972 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:34:38,972 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:34:38,973 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:34:38,973 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:34:38,974 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:34:38,974 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:34:38,975 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:34:38,976 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:34:38,976 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:34:38,977 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:34:38,977 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:34:38,977 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:34:38,978 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:34:38,978 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:34:38,979 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:34:38,979 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:34:38,980 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:34:38,980 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:34:38,981 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:34:38,981 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:34:38,982 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:34:38,982 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:34:38,982 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:34:38,982 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_2b1bae45-f405-4111-91da-57b363fc0552/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1bae45-f405-4111-91da-57b363fc0552/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8cfcfd272855d27ce62fb23250668d204eb8b7cef032f32eb6bf38a181db8911 [2023-12-03 01:34:39,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:34:39,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:34:39,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:34:39,319 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:34:39,319 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:34:39,321 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1bae45-f405-4111-91da-57b363fc0552/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-54.i [2023-12-03 01:34:42,447 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:34:42,640 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:34:42,641 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1bae45-f405-4111-91da-57b363fc0552/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-54.i [2023-12-03 01:34:42,651 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1bae45-f405-4111-91da-57b363fc0552/bin/ukojak-verify-Qdu7aM0XO9/data/5b1b949c4/4fc6113589934dd48333a5f4a1364954/FLAGe965befe3 [2023-12-03 01:34:42,669 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1bae45-f405-4111-91da-57b363fc0552/bin/ukojak-verify-Qdu7aM0XO9/data/5b1b949c4/4fc6113589934dd48333a5f4a1364954 [2023-12-03 01:34:42,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:34:42,674 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:34:42,676 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:34:42,676 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:34:42,681 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:34:42,682 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:34:42" (1/1) ... [2023-12-03 01:34:42,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@701d2d5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:42, skipping insertion in model container [2023-12-03 01:34:42,684 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:34:42" (1/1) ... [2023-12-03 01:34:42,717 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:34:42,881 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_2b1bae45-f405-4111-91da-57b363fc0552/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-54.i[915,928] [2023-12-03 01:34:42,926 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:34:42,944 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:34:42,959 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_2b1bae45-f405-4111-91da-57b363fc0552/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-54.i[915,928] [2023-12-03 01:34:42,984 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:34:43,005 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:34:43,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:43 WrapperNode [2023-12-03 01:34:43,006 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:34:43,007 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:34:43,007 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:34:43,007 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:34:43,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:43" (1/1) ... [2023-12-03 01:34:43,043 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:43" (1/1) ... [2023-12-03 01:34:43,073 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 95 [2023-12-03 01:34:43,073 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:34:43,074 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:34:43,074 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:34:43,075 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:34:43,085 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:43" (1/1) ... [2023-12-03 01:34:43,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:43" (1/1) ... [2023-12-03 01:34:43,090 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:43" (1/1) ... [2023-12-03 01:34:43,091 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:43" (1/1) ... [2023-12-03 01:34:43,101 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:43" (1/1) ... [2023-12-03 01:34:43,105 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:43" (1/1) ... [2023-12-03 01:34:43,108 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:43" (1/1) ... [2023-12-03 01:34:43,110 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:43" (1/1) ... [2023-12-03 01:34:43,114 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:34:43,115 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:34:43,115 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:34:43,115 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:34:43,116 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:43" (1/1) ... [2023-12-03 01:34:43,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:34:43,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1bae45-f405-4111-91da-57b363fc0552/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:34:43,151 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1bae45-f405-4111-91da-57b363fc0552/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:34:43,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1bae45-f405-4111-91da-57b363fc0552/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:34:43,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:34:43,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:34:43,199 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 01:34:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 01:34:43,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:34:43,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:34:43,301 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:34:43,304 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:34:43,554 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:34:43,663 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:34:43,663 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:34:43,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:34:43 BoogieIcfgContainer [2023-12-03 01:34:43,664 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:34:43,665 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:34:43,665 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:34:43,673 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:34:43,674 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:34:43" (1/1) ... [2023-12-03 01:34:43,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:34:43,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:34:43,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-12-03 01:34:43,740 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-12-03 01:34:43,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 01:34:43,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:34:43,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:34:43,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1bae45-f405-4111-91da-57b363fc0552/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:34:43,748 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1bae45-f405-4111-91da-57b363fc0552/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:34:43,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1bae45-f405-4111-91da-57b363fc0552/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:34:44,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:34:44,293 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:34:44,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:34:44,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 01:34:44,398 INFO L285 TraceCheckSpWp]: Computing forward predicates...