./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-33.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_570b694d-7737-4ff6-80a7-08e8251a30f4/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570b694d-7737-4ff6-80a7-08e8251a30f4/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_570b694d-7737-4ff6-80a7-08e8251a30f4/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570b694d-7737-4ff6-80a7-08e8251a30f4/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-33.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570b694d-7737-4ff6-80a7-08e8251a30f4/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_570b694d-7737-4ff6-80a7-08e8251a30f4/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 10a9495afb29780d9c21c7755abad4b20c63b8e644f74495b9c8dc8e6948c615 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:56:50,299 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:56:50,362 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570b694d-7737-4ff6-80a7-08e8251a30f4/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:56:50,365 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:56:50,366 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:56:50,388 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:56:50,389 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:56:50,390 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:56:50,390 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:56:50,391 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:56:50,391 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:56:50,392 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:56:50,392 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:56:50,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:56:50,393 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:56:50,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:56:50,394 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:56:50,395 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:56:50,395 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:56:50,396 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:56:50,397 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:56:50,397 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:56:50,398 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:56:50,398 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:56:50,399 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:56:50,399 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:56:50,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:56:50,400 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:56:50,401 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:56:50,401 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:56:50,402 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:56:50,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:56:50,402 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:56:50,403 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_570b694d-7737-4ff6-80a7-08e8251a30f4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570b694d-7737-4ff6-80a7-08e8251a30f4/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10a9495afb29780d9c21c7755abad4b20c63b8e644f74495b9c8dc8e6948c615 [2023-12-03 01:56:50,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:56:50,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:56:50,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:56:50,646 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:56:50,647 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:56:50,648 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570b694d-7737-4ff6-80a7-08e8251a30f4/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-33.i [2023-12-03 01:56:53,443 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:56:53,615 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:56:53,616 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570b694d-7737-4ff6-80a7-08e8251a30f4/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-33.i [2023-12-03 01:56:53,623 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570b694d-7737-4ff6-80a7-08e8251a30f4/bin/ukojak-verify-Qdu7aM0XO9/data/a0d08c475/9ec4da38b49349c48edb0eccb7af87ed/FLAGdddc657bf [2023-12-03 01:56:53,638 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570b694d-7737-4ff6-80a7-08e8251a30f4/bin/ukojak-verify-Qdu7aM0XO9/data/a0d08c475/9ec4da38b49349c48edb0eccb7af87ed [2023-12-03 01:56:53,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:56:53,642 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:56:53,643 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:56:53,643 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:56:53,648 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:56:53,649 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:56:53" (1/1) ... [2023-12-03 01:56:53,650 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42e3aa38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:56:53, skipping insertion in model container [2023-12-03 01:56:53,650 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:56:53" (1/1) ... [2023-12-03 01:56:53,674 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:56:53,815 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_570b694d-7737-4ff6-80a7-08e8251a30f4/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-33.i[915,928] [2023-12-03 01:56:53,833 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:56:53,844 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:56:53,857 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_570b694d-7737-4ff6-80a7-08e8251a30f4/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-33.i[915,928] [2023-12-03 01:56:53,866 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:56:53,883 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:56:53,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:56:53 WrapperNode [2023-12-03 01:56:53,884 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:56:53,885 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:56:53,885 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:56:53,885 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:56:53,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:56:53" (1/1) ... [2023-12-03 01:56:53,897 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:56:53" (1/1) ... [2023-12-03 01:56:53,913 INFO L138 Inliner]: procedures = 26, calls = 16, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 58 [2023-12-03 01:56:53,914 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:56:53,914 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:56:53,915 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:56:53,915 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:56:53,921 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:56:53" (1/1) ... [2023-12-03 01:56:53,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:56:53" (1/1) ... [2023-12-03 01:56:53,923 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:56:53" (1/1) ... [2023-12-03 01:56:53,923 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:56:53" (1/1) ... [2023-12-03 01:56:53,927 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:56:53" (1/1) ... [2023-12-03 01:56:53,930 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:56:53" (1/1) ... [2023-12-03 01:56:53,931 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:56:53" (1/1) ... [2023-12-03 01:56:53,932 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:56:53" (1/1) ... [2023-12-03 01:56:53,934 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:56:53,935 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:56:53,935 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:56:53,935 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:56:53,936 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:56:53" (1/1) ... [2023-12-03 01:56:53,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:56:53,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570b694d-7737-4ff6-80a7-08e8251a30f4/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:56:53,965 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570b694d-7737-4ff6-80a7-08e8251a30f4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:56:53,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570b694d-7737-4ff6-80a7-08e8251a30f4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:56:53,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:56:53,997 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 01:56:53,997 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 01:56:53,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:56:53,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:56:53,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:56:54,064 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:56:54,066 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:56:54,196 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:56:54,273 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:56:54,273 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:56:54,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:56:54 BoogieIcfgContainer [2023-12-03 01:56:54,275 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:56:54,276 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:56:54,276 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:56:54,285 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:56:54,285 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:56:54" (1/1) ... [2023-12-03 01:56:54,293 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:56:54,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:56:54,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2023-12-03 01:56:54,340 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2023-12-03 01:56:54,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 01:56:54,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:56:54,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:56:54,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:56:54,496 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:56:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:56:54,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:56:54,603 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:56:54,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:56:54,639 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 01:56:54,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:56:54 ImpRootNode [2023-12-03 01:56:54,667 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:56:54,668 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:56:54,668 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:56:54,668 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:56:54,669 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:56:54" (3/4) ... [2023-12-03 01:56:54,671 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 01:56:54,672 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:56:54,673 INFO L158 Benchmark]: Toolchain (without parser) took 1031.33ms. Allocated memory is still 151.0MB. Free memory was 103.8MB in the beginning and 55.5MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-12-03 01:56:54,674 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 151.0MB. Free memory is still 123.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:56:54,675 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.11ms. Allocated memory is still 151.0MB. Free memory was 103.5MB in the beginning and 92.7MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 01:56:54,675 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.92ms. Allocated memory is still 151.0MB. Free memory was 92.7MB in the beginning and 90.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:56:54,676 INFO L158 Benchmark]: Boogie Preprocessor took 19.56ms. Allocated memory is still 151.0MB. Free memory was 90.9MB in the beginning and 89.9MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:56:54,677 INFO L158 Benchmark]: RCFGBuilder took 340.68ms. Allocated memory is still 151.0MB. Free memory was 89.6MB in the beginning and 74.2MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 01:56:54,677 INFO L158 Benchmark]: CodeCheck took 391.07ms. Allocated memory is still 151.0MB. Free memory was 74.2MB in the beginning and 56.0MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 01:56:54,678 INFO L158 Benchmark]: Witness Printer took 4.47ms. Allocated memory is still 151.0MB. Free memory was 56.0MB in the beginning and 55.5MB in the end (delta: 504.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:56:54,681 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, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 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 52. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 256.25; [L23] float var_1_6 = 1000000000.625; [L24] signed char var_1_7 = -128; [L25] signed char var_1_8 = 32; [L26] unsigned long int var_1_9 = 32; [L27] unsigned char var_1_10 = 0; [L56] isInitial = 1 [L57] FCALL initially() [L58] COND TRUE 1 [L59] FCALL updateLastVariables() [L60] CALL updateVariables() [L43] var_1_6 = __VERIFIER_nondet_float() [L44] CALL assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_1=1025/4, var_1_7=-128, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L44] RET assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_1=1025/4, var_1_7=-128, var_1_8=32, var_1_9=32] [L45] var_1_8 = __VERIFIER_nondet_char() [L46] CALL assume_abort_if_not(var_1_8 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_1=1025/4, var_1_7=-128, var_1_8=0, var_1_9=32] [L20] COND FALSE !(!cond) [L46] RET assume_abort_if_not(var_1_8 >= -127) VAL [isInitial=1, var_1_10=0, var_1_1=1025/4, var_1_7=-128, var_1_8=0, var_1_9=32] [L47] CALL assume_abort_if_not(var_1_8 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_1=1025/4, var_1_7=-128, var_1_8=0, var_1_9=32] [L20] COND FALSE !(!cond) [L47] RET assume_abort_if_not(var_1_8 <= 126) VAL [isInitial=1, var_1_10=0, var_1_1=1025/4, var_1_7=-128, var_1_8=0, var_1_9=32] [L60] RET updateVariables() [L61] CALL step() [L31] var_1_7 = var_1_8 [L32] var_1_9 = var_1_7 [L33] var_1_10 = 1 [L34] unsigned long int stepLocal_1 = var_1_9; [L35] unsigned char stepLocal_0 = var_1_10 && var_1_10; [L36] COND TRUE (var_1_7 >= var_1_9) || stepLocal_0 [L37] COND TRUE stepLocal_1 <= var_1_7 [L38] var_1_1 = var_1_6 [L61] RET step() [L62] CALL, EXPR property() [L52-L53] return (((((var_1_7 >= var_1_9) || (var_1_10 && var_1_10)) ? ((var_1_9 <= var_1_7) ? (var_1_1 == ((float) var_1_6)) : 1) : 1) && (var_1_7 == ((signed char) var_1_8))) && (var_1_9 == ((unsigned long int) var_1_7))) && (var_1_10 == ((unsigned char) 1)) ; [L62] RET, EXPR property() [L62] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_1=2, var_1_6=2, var_1_7=0, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_1=2, var_1_6=2, var_1_7=0, var_1_8=0, var_1_9=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 151.0MB. Free memory is still 123.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 241.11ms. Allocated memory is still 151.0MB. Free memory was 103.5MB in the beginning and 92.7MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.92ms. Allocated memory is still 151.0MB. Free memory was 92.7MB in the beginning and 90.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.56ms. Allocated memory is still 151.0MB. Free memory was 90.9MB in the beginning and 89.9MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 340.68ms. Allocated memory is still 151.0MB. Free memory was 89.6MB in the beginning and 74.2MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 391.07ms. Allocated memory is still 151.0MB. Free memory was 74.2MB in the beginning and 56.0MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 4.47ms. Allocated memory is still 151.0MB. Free memory was 56.0MB in the beginning and 55.5MB in the end (delta: 504.3kB). 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 01:56:54,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570b694d-7737-4ff6-80a7-08e8251a30f4/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_570b694d-7737-4ff6-80a7-08e8251a30f4/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570b694d-7737-4ff6-80a7-08e8251a30f4/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_570b694d-7737-4ff6-80a7-08e8251a30f4/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570b694d-7737-4ff6-80a7-08e8251a30f4/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-33.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570b694d-7737-4ff6-80a7-08e8251a30f4/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_570b694d-7737-4ff6-80a7-08e8251a30f4/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 10a9495afb29780d9c21c7755abad4b20c63b8e644f74495b9c8dc8e6948c615 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:56:56,611 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:56:56,690 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570b694d-7737-4ff6-80a7-08e8251a30f4/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 01:56:56,721 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:56:56,722 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:56:56,722 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:56:56,723 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:56:56,724 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:56:56,725 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:56:56,725 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:56:56,726 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:56:56,726 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:56:56,727 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:56:56,727 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:56:56,728 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:56:56,728 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:56:56,729 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:56:56,729 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:56:56,729 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:56:56,730 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:56:56,730 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:56:56,731 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:56:56,731 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:56:56,732 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:56:56,732 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:56:56,733 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:56:56,733 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:56:56,734 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:56:56,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:56:56,735 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:56:56,735 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:56:56,735 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:56:56,736 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:56:56,736 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:56:56,737 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:56:56,737 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:56:56,737 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:56:56,737 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570b694d-7737-4ff6-80a7-08e8251a30f4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570b694d-7737-4ff6-80a7-08e8251a30f4/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10a9495afb29780d9c21c7755abad4b20c63b8e644f74495b9c8dc8e6948c615 [2023-12-03 01:56:57,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:56:57,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:56:57,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:56:57,065 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:56:57,066 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:56:57,067 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570b694d-7737-4ff6-80a7-08e8251a30f4/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-33.i [2023-12-03 01:56:59,852 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:57:00,037 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:57:00,038 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570b694d-7737-4ff6-80a7-08e8251a30f4/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-33.i [2023-12-03 01:57:00,045 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570b694d-7737-4ff6-80a7-08e8251a30f4/bin/ukojak-verify-Qdu7aM0XO9/data/2f7a67f61/7d1a4bc23325467495f6f8cee7cb075b/FLAG4f01cedc3 [2023-12-03 01:57:00,056 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570b694d-7737-4ff6-80a7-08e8251a30f4/bin/ukojak-verify-Qdu7aM0XO9/data/2f7a67f61/7d1a4bc23325467495f6f8cee7cb075b [2023-12-03 01:57:00,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:57:00,059 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:57:00,060 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:57:00,061 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:57:00,065 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:57:00,066 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:57:00" (1/1) ... [2023-12-03 01:57:00,067 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3355f7eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:00, skipping insertion in model container [2023-12-03 01:57:00,067 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:57:00" (1/1) ... [2023-12-03 01:57:00,088 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:57:00,235 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_570b694d-7737-4ff6-80a7-08e8251a30f4/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-33.i[915,928] [2023-12-03 01:57:00,257 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:57:00,272 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:57:00,284 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_570b694d-7737-4ff6-80a7-08e8251a30f4/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-33.i[915,928] [2023-12-03 01:57:00,293 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:57:00,310 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:57:00,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:00 WrapperNode [2023-12-03 01:57:00,311 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:57:00,312 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:57:00,312 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:57:00,312 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:57:00,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:00" (1/1) ... [2023-12-03 01:57:00,330 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:00" (1/1) ... [2023-12-03 01:57:00,351 INFO L138 Inliner]: procedures = 27, calls = 16, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 57 [2023-12-03 01:57:00,352 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:57:00,352 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:57:00,353 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:57:00,353 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:57:00,361 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:00" (1/1) ... [2023-12-03 01:57:00,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:00" (1/1) ... [2023-12-03 01:57:00,365 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:00" (1/1) ... [2023-12-03 01:57:00,365 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:00" (1/1) ... [2023-12-03 01:57:00,373 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:00" (1/1) ... [2023-12-03 01:57:00,376 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:00" (1/1) ... [2023-12-03 01:57:00,378 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:00" (1/1) ... [2023-12-03 01:57:00,380 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:00" (1/1) ... [2023-12-03 01:57:00,383 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:57:00,384 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:57:00,384 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:57:00,384 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:57:00,385 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:57:00" (1/1) ... [2023-12-03 01:57:00,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:57:00,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570b694d-7737-4ff6-80a7-08e8251a30f4/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:57:00,415 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570b694d-7737-4ff6-80a7-08e8251a30f4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:57:00,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570b694d-7737-4ff6-80a7-08e8251a30f4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:57:00,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:57:00,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:57:00,489 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 01:57:00,489 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 01:57:00,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:57:00,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:57:00,565 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:57:00,567 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:57:00,717 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:57:00,796 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:57:00,797 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:57:00,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:57:00 BoogieIcfgContainer [2023-12-03 01:57:00,798 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:57:00,799 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:57:00,800 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:57:00,810 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:57:00,810 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:57:00" (1/1) ... [2023-12-03 01:57:00,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:57:00,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:57:00,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2023-12-03 01:57:00,877 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2023-12-03 01:57:00,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 01:57:00,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:57:00,883 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:57:00,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570b694d-7737-4ff6-80a7-08e8251a30f4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:57:00,909 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570b694d-7737-4ff6-80a7-08e8251a30f4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:57:00,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570b694d-7737-4ff6-80a7-08e8251a30f4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:57:01,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:01,188 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:57:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:01,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 01:57:01,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:57:01,872 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:57:01,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570b694d-7737-4ff6-80a7-08e8251a30f4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:57:02,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:57:02,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 11 states and 13 transitions. [2023-12-03 01:57:02,343 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2023-12-03 01:57:02,344 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 01:57:02,344 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2023-12-03 01:57:02,350 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 01:57:02,447 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 01:57:02,449 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 01:57:02,450 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 01:57:02,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:57:02 ImpRootNode [2023-12-03 01:57:02,450 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:57:02,451 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:57:02,451 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:57:02,451 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:57:02,451 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:57:00" (3/4) ... [2023-12-03 01:57:02,453 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 01:57:02,455 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-03 01:57:02,460 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-12-03 01:57:02,460 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-12-03 01:57:02,460 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 01:57:02,460 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 01:57:02,538 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570b694d-7737-4ff6-80a7-08e8251a30f4/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 01:57:02,538 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570b694d-7737-4ff6-80a7-08e8251a30f4/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 01:57:02,539 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:57:02,540 INFO L158 Benchmark]: Toolchain (without parser) took 2480.26ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 54.3MB in the beginning and 68.7MB in the end (delta: -14.4MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2023-12-03 01:57:02,540 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 77.6MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:57:02,541 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.94ms. Allocated memory is still 77.6MB. Free memory was 54.1MB in the beginning and 42.5MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 01:57:02,541 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.82ms. Allocated memory is still 77.6MB. Free memory was 42.5MB in the beginning and 40.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:57:02,541 INFO L158 Benchmark]: Boogie Preprocessor took 30.93ms. Allocated memory is still 77.6MB. Free memory was 40.9MB in the beginning and 39.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:57:02,542 INFO L158 Benchmark]: RCFGBuilder took 414.44ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 39.3MB in the beginning and 70.5MB in the end (delta: -31.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 01:57:02,542 INFO L158 Benchmark]: CodeCheck took 1650.68ms. Allocated memory is still 104.9MB. Free memory was 70.5MB in the beginning and 73.6MB in the end (delta: -3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:57:02,543 INFO L158 Benchmark]: Witness Printer took 88.23ms. Allocated memory is still 104.9MB. Free memory was 73.6MB in the beginning and 68.7MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 01:57:02,545 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, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37 IncrementalHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 12 mSDtfsCounter, 37 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 112 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 14 ConstructedInterpolants, 8 QuantifiedInterpolants, 227 SizeOfPredicates, 11 NumberOfNonLiveVariables, 50 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 4/6 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 77.6MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 250.94ms. Allocated memory is still 77.6MB. Free memory was 54.1MB in the beginning and 42.5MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.82ms. Allocated memory is still 77.6MB. Free memory was 42.5MB in the beginning and 40.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.93ms. Allocated memory is still 77.6MB. Free memory was 40.9MB in the beginning and 39.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 414.44ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 39.3MB in the beginning and 70.5MB in the end (delta: -31.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * CodeCheck took 1650.68ms. Allocated memory is still 104.9MB. Free memory was 70.5MB in the beginning and 73.6MB in the end (delta: -3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 88.23ms. Allocated memory is still 104.9MB. Free memory was 73.6MB in the beginning and 68.7MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 01:57:02,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570b694d-7737-4ff6-80a7-08e8251a30f4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE