./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-42.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_91d018f4-90ca-4575-b29a-3155c321f673/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d018f4-90ca-4575-b29a-3155c321f673/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_91d018f4-90ca-4575-b29a-3155c321f673/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d018f4-90ca-4575-b29a-3155c321f673/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d018f4-90ca-4575-b29a-3155c321f673/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_91d018f4-90ca-4575-b29a-3155c321f673/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 1b6679b66df394d112d70edcc29d7c1d17ec70623c6c663e910f39926affa591 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:21:05,300 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:21:05,362 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d018f4-90ca-4575-b29a-3155c321f673/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 04:21:05,366 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:21:05,366 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:21:05,388 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:21:05,388 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:21:05,389 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:21:05,390 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:21:05,390 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:21:05,391 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:21:05,391 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:21:05,392 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:21:05,392 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:21:05,393 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:21:05,393 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:21:05,394 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:21:05,394 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:21:05,395 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:21:05,395 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:21:05,396 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:21:05,397 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:21:05,397 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:21:05,398 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:21:05,398 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:21:05,399 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:21:05,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:21:05,399 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:21:05,400 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:21:05,400 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:21:05,401 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:21:05,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:21:05,401 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:21:05,402 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_91d018f4-90ca-4575-b29a-3155c321f673/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d018f4-90ca-4575-b29a-3155c321f673/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b6679b66df394d112d70edcc29d7c1d17ec70623c6c663e910f39926affa591 [2023-12-03 04:21:05,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:21:05,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:21:05,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:21:05,628 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:21:05,628 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:21:05,629 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d018f4-90ca-4575-b29a-3155c321f673/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-42.i [2023-12-03 04:21:08,348 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:21:08,521 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:21:08,522 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d018f4-90ca-4575-b29a-3155c321f673/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-42.i [2023-12-03 04:21:08,528 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d018f4-90ca-4575-b29a-3155c321f673/bin/ukojak-verify-Qdu7aM0XO9/data/b3dce8b49/4749bfb937624c3487080e3977a686cc/FLAG16c7e03dc [2023-12-03 04:21:08,539 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d018f4-90ca-4575-b29a-3155c321f673/bin/ukojak-verify-Qdu7aM0XO9/data/b3dce8b49/4749bfb937624c3487080e3977a686cc [2023-12-03 04:21:08,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:21:08,542 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:21:08,543 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:21:08,543 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:21:08,548 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:21:08,548 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:21:08" (1/1) ... [2023-12-03 04:21:08,549 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@efcf97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:08, skipping insertion in model container [2023-12-03 04:21:08,550 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:21:08" (1/1) ... [2023-12-03 04:21:08,572 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:21:08,704 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_91d018f4-90ca-4575-b29a-3155c321f673/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-42.i[915,928] [2023-12-03 04:21:08,725 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:21:08,737 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:21:08,748 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_91d018f4-90ca-4575-b29a-3155c321f673/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-42.i[915,928] [2023-12-03 04:21:08,756 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:21:08,772 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:21:08,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:08 WrapperNode [2023-12-03 04:21:08,772 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:21:08,774 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:21:08,774 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:21:08,774 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:21:08,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:08" (1/1) ... [2023-12-03 04:21:08,789 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:08" (1/1) ... [2023-12-03 04:21:08,810 INFO L138 Inliner]: procedures = 26, calls = 16, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 56 [2023-12-03 04:21:08,810 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:21:08,811 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:21:08,811 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:21:08,811 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:21:08,820 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:08" (1/1) ... [2023-12-03 04:21:08,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:08" (1/1) ... [2023-12-03 04:21:08,822 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:08" (1/1) ... [2023-12-03 04:21:08,822 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:08" (1/1) ... [2023-12-03 04:21:08,827 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:08" (1/1) ... [2023-12-03 04:21:08,830 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:08" (1/1) ... [2023-12-03 04:21:08,831 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:08" (1/1) ... [2023-12-03 04:21:08,832 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:08" (1/1) ... [2023-12-03 04:21:08,834 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:21:08,835 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:21:08,835 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:21:08,835 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:21:08,836 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:08" (1/1) ... [2023-12-03 04:21:08,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:21:08,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d018f4-90ca-4575-b29a-3155c321f673/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:21:08,865 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d018f4-90ca-4575-b29a-3155c321f673/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:21:08,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d018f4-90ca-4575-b29a-3155c321f673/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:21:08,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:21:08,901 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 04:21:08,901 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 04:21:08,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:21:08,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:21:08,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:21:08,978 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:21:08,980 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:21:09,104 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:21:09,159 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:21:09,160 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:21:09,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:21:09 BoogieIcfgContainer [2023-12-03 04:21:09,161 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:21:09,162 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:21:09,162 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:21:09,172 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:21:09,173 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:21:09" (1/1) ... [2023-12-03 04:21:09,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:21:09,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:21:09,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2023-12-03 04:21:09,239 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2023-12-03 04:21:09,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 04:21:09,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:21:09,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:21:09,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:21:09,373 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:21:09,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:21:09,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:21:09,473 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:21:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:21:09,505 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 04:21:09,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:21:09 ImpRootNode [2023-12-03 04:21:09,544 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:21:09,545 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:21:09,545 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:21:09,545 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:21:09,545 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:21:09" (3/4) ... [2023-12-03 04:21:09,547 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 04:21:09,548 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:21:09,549 INFO L158 Benchmark]: Toolchain (without parser) took 1006.59ms. Allocated memory is still 151.0MB. Free memory was 108.5MB in the beginning and 118.6MB in the end (delta: -10.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:21:09,549 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 98.6MB. Free memory was 49.3MB in the beginning and 49.1MB in the end (delta: 151.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:21:09,550 INFO L158 Benchmark]: CACSL2BoogieTranslator took 229.94ms. Allocated memory is still 151.0MB. Free memory was 108.5MB in the beginning and 97.8MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 04:21:09,550 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.96ms. Allocated memory is still 151.0MB. Free memory was 97.4MB in the beginning and 95.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:21:09,551 INFO L158 Benchmark]: Boogie Preprocessor took 23.26ms. Allocated memory is still 151.0MB. Free memory was 95.9MB in the beginning and 95.0MB in the end (delta: 957.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:21:09,551 INFO L158 Benchmark]: RCFGBuilder took 326.39ms. Allocated memory is still 151.0MB. Free memory was 95.0MB in the beginning and 81.6MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 04:21:09,552 INFO L158 Benchmark]: CodeCheck took 381.70ms. Allocated memory is still 151.0MB. Free memory was 81.6MB in the beginning and 119.0MB in the end (delta: -37.4MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2023-12-03 04:21:09,552 INFO L158 Benchmark]: Witness Printer took 3.30ms. Allocated memory is still 151.0MB. Free memory was 118.9MB in the beginning and 118.6MB in the end (delta: 299.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:21:09,555 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 34. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 5; [L23] signed char var_1_7 = 32; [L24] signed char var_1_8 = 16; [L25] signed char var_1_9 = 32; [L26] float var_1_10 = 127.725; [L27] float var_1_11 = 2.2; [L54] isInitial = 1 [L55] FCALL initially() [L56] COND TRUE 1 [L57] FCALL updateLastVariables() [L58] CALL updateVariables() [L41] var_1_8 = __VERIFIER_nondet_char() [L42] CALL assume_abort_if_not(var_1_8 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=5109/40, var_1_11=11/5, var_1_1=5, var_1_7=32, var_1_8=6, var_1_9=32] [L20] COND FALSE !(!cond) [L42] RET assume_abort_if_not(var_1_8 >= -127) VAL [isInitial=1, var_1_10=5109/40, var_1_11=11/5, var_1_1=5, var_1_7=32, var_1_8=6, var_1_9=32] [L43] CALL assume_abort_if_not(var_1_8 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=5109/40, var_1_11=11/5, var_1_1=5, var_1_7=32, var_1_8=6, var_1_9=32] [L20] COND FALSE !(!cond) [L43] RET assume_abort_if_not(var_1_8 <= 126) VAL [isInitial=1, var_1_10=5109/40, var_1_11=11/5, var_1_1=5, var_1_7=32, var_1_8=6, var_1_9=32] [L44] var_1_11 = __VERIFIER_nondet_float() [L45] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5109/40, var_1_1=5, var_1_7=32, var_1_8=6, var_1_9=32] [L20] COND FALSE !(!cond) [L45] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5109/40, var_1_1=5, var_1_7=32, var_1_8=6, var_1_9=32] [L58] RET updateVariables() [L59] CALL step() [L31] var_1_7 = var_1_8 [L32] var_1_9 = var_1_8 [L33] var_1_10 = var_1_11 [L34] COND TRUE (var_1_10 * var_1_10) > var_1_10 [L35] var_1_1 = (var_1_7 + var_1_7) [L59] RET step() [L60] CALL, EXPR property() [L50-L51] return (((((var_1_10 * var_1_10) > var_1_10) ? (var_1_1 == ((signed long int) (var_1_7 + var_1_7))) : (var_1_1 == ((signed long int) ((((var_1_7) > (5)) ? (var_1_7) : (5)))))) && (var_1_7 == ((signed char) var_1_8))) && (var_1_9 == ((signed char) var_1_8))) && (var_1_10 == ((float) var_1_11)) ; [L60] RET, EXPR property() [L60] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2, var_1_11=2, var_1_1=12, var_1_7=6, var_1_8=6, var_1_9=6] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2, var_1_11=2, var_1_1=12, var_1_7=6, var_1_8=6, var_1_9=6] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 98.6MB. Free memory was 49.3MB in the beginning and 49.1MB in the end (delta: 151.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 229.94ms. Allocated memory is still 151.0MB. Free memory was 108.5MB in the beginning and 97.8MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.96ms. Allocated memory is still 151.0MB. Free memory was 97.4MB in the beginning and 95.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.26ms. Allocated memory is still 151.0MB. Free memory was 95.9MB in the beginning and 95.0MB in the end (delta: 957.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 326.39ms. Allocated memory is still 151.0MB. Free memory was 95.0MB in the beginning and 81.6MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 381.70ms. Allocated memory is still 151.0MB. Free memory was 81.6MB in the beginning and 119.0MB in the end (delta: -37.4MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * Witness Printer took 3.30ms. Allocated memory is still 151.0MB. Free memory was 118.9MB in the beginning and 118.6MB in the end (delta: 299.2kB). 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 04:21:09,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d018f4-90ca-4575-b29a-3155c321f673/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_91d018f4-90ca-4575-b29a-3155c321f673/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d018f4-90ca-4575-b29a-3155c321f673/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_91d018f4-90ca-4575-b29a-3155c321f673/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d018f4-90ca-4575-b29a-3155c321f673/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d018f4-90ca-4575-b29a-3155c321f673/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_91d018f4-90ca-4575-b29a-3155c321f673/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 1b6679b66df394d112d70edcc29d7c1d17ec70623c6c663e910f39926affa591 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:21:11,507 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:21:11,575 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d018f4-90ca-4575-b29a-3155c321f673/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 04:21:11,607 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:21:11,608 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:21:11,608 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:21:11,609 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:21:11,610 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:21:11,610 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:21:11,611 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:21:11,612 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:21:11,612 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:21:11,613 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:21:11,613 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:21:11,614 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:21:11,614 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:21:11,615 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:21:11,615 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:21:11,616 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:21:11,616 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:21:11,617 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:21:11,617 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:21:11,618 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:21:11,618 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:21:11,619 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:21:11,619 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:21:11,620 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:21:11,620 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:21:11,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:21:11,621 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:21:11,622 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:21:11,622 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:21:11,623 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:21:11,623 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:21:11,623 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:21:11,623 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:21:11,624 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:21:11,624 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_91d018f4-90ca-4575-b29a-3155c321f673/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d018f4-90ca-4575-b29a-3155c321f673/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b6679b66df394d112d70edcc29d7c1d17ec70623c6c663e910f39926affa591 [2023-12-03 04:21:11,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:21:11,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:21:11,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:21:11,962 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:21:11,962 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:21:11,963 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d018f4-90ca-4575-b29a-3155c321f673/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-42.i [2023-12-03 04:21:16,756 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:21:16,951 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:21:16,952 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d018f4-90ca-4575-b29a-3155c321f673/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-42.i [2023-12-03 04:21:16,959 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d018f4-90ca-4575-b29a-3155c321f673/bin/ukojak-verify-Qdu7aM0XO9/data/d8a4bddf3/728f4f1e6f1845b9b28e5de69ed94645/FLAG958a44268 [2023-12-03 04:21:16,973 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d018f4-90ca-4575-b29a-3155c321f673/bin/ukojak-verify-Qdu7aM0XO9/data/d8a4bddf3/728f4f1e6f1845b9b28e5de69ed94645 [2023-12-03 04:21:16,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:21:16,976 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:21:16,977 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:21:16,977 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:21:16,981 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:21:16,981 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:21:16" (1/1) ... [2023-12-03 04:21:16,983 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@362fe0ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:16, skipping insertion in model container [2023-12-03 04:21:16,983 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:21:16" (1/1) ... [2023-12-03 04:21:17,007 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:21:17,155 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_91d018f4-90ca-4575-b29a-3155c321f673/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-42.i[915,928] [2023-12-03 04:21:17,178 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:21:17,194 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:21:17,207 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_91d018f4-90ca-4575-b29a-3155c321f673/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-42.i[915,928] [2023-12-03 04:21:17,217 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:21:17,235 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:21:17,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:17 WrapperNode [2023-12-03 04:21:17,236 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:21:17,237 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:21:17,237 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:21:17,237 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:21:17,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:17" (1/1) ... [2023-12-03 04:21:17,255 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:17" (1/1) ... [2023-12-03 04:21:17,276 INFO L138 Inliner]: procedures = 27, calls = 16, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 55 [2023-12-03 04:21:17,276 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:21:17,277 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:21:17,277 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:21:17,277 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:21:17,286 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:17" (1/1) ... [2023-12-03 04:21:17,287 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:17" (1/1) ... [2023-12-03 04:21:17,290 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:17" (1/1) ... [2023-12-03 04:21:17,290 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:17" (1/1) ... [2023-12-03 04:21:17,298 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:17" (1/1) ... [2023-12-03 04:21:17,301 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:17" (1/1) ... [2023-12-03 04:21:17,303 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:17" (1/1) ... [2023-12-03 04:21:17,305 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:17" (1/1) ... [2023-12-03 04:21:17,308 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:21:17,309 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:21:17,309 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:21:17,310 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:21:17,310 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:17" (1/1) ... [2023-12-03 04:21:17,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:21:17,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d018f4-90ca-4575-b29a-3155c321f673/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:21:17,339 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d018f4-90ca-4575-b29a-3155c321f673/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:21:17,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d018f4-90ca-4575-b29a-3155c321f673/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:21:17,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:21:17,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:21:17,379 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 04:21:17,379 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 04:21:17,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:21:17,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:21:17,474 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:21:17,476 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:21:17,741 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:21:17,804 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:21:17,804 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:21:17,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:21:17 BoogieIcfgContainer [2023-12-03 04:21:17,806 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:21:17,807 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:21:17,807 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:21:17,814 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:21:17,814 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:21:17" (1/1) ... [2023-12-03 04:21:17,822 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:21:17,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:21:17,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2023-12-03 04:21:17,866 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2023-12-03 04:21:17,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 04:21:17,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:21:17,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:21:17,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d018f4-90ca-4575-b29a-3155c321f673/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:21:17,872 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d018f4-90ca-4575-b29a-3155c321f673/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:21:17,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d018f4-90ca-4575-b29a-3155c321f673/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:21:18,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:18,242 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:21:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:18,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 04:21:18,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:21:25,587 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:21:25,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d018f4-90ca-4575-b29a-3155c321f673/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:21:26,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:21:26,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 11 states and 13 transitions. [2023-12-03 04:21:26,315 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2023-12-03 04:21:26,315 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 04:21:26,315 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2023-12-03 04:21:26,321 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 04:21:26,333 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:21:26,335 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:21:26,335 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:21:26,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:21:26 ImpRootNode [2023-12-03 04:21:26,336 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:21:26,336 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:21:26,337 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:21:26,337 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:21:26,337 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:21:17" (3/4) ... [2023-12-03 04:21:26,339 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 04:21:26,341 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-03 04:21:26,344 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-12-03 04:21:26,345 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-12-03 04:21:26,345 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 04:21:26,345 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 04:21:26,433 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d018f4-90ca-4575-b29a-3155c321f673/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 04:21:26,434 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d018f4-90ca-4575-b29a-3155c321f673/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 04:21:26,434 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:21:26,435 INFO L158 Benchmark]: Toolchain (without parser) took 9458.59ms. Allocated memory was 88.1MB in the beginning and 237.0MB in the end (delta: 148.9MB). Free memory was 64.3MB in the beginning and 148.0MB in the end (delta: -83.7MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2023-12-03 04:21:26,435 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 56.6MB. Free memory is still 33.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:21:26,436 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.93ms. Allocated memory is still 88.1MB. Free memory was 64.1MB in the beginning and 52.5MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 04:21:26,436 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.37ms. Allocated memory is still 88.1MB. Free memory was 52.5MB in the beginning and 50.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:21:26,437 INFO L158 Benchmark]: Boogie Preprocessor took 31.63ms. Allocated memory is still 88.1MB. Free memory was 50.9MB in the beginning and 49.3MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 04:21:26,437 INFO L158 Benchmark]: RCFGBuilder took 496.64ms. Allocated memory is still 88.1MB. Free memory was 49.3MB in the beginning and 55.4MB in the end (delta: -6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 04:21:26,438 INFO L158 Benchmark]: CodeCheck took 8529.20ms. Allocated memory was 88.1MB in the beginning and 237.0MB in the end (delta: 148.9MB). Free memory was 55.4MB in the beginning and 152.2MB in the end (delta: -96.8MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. [2023-12-03 04:21:26,438 INFO L158 Benchmark]: Witness Printer took 97.58ms. Allocated memory is still 237.0MB. Free memory was 152.2MB in the beginning and 148.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 04:21:26,441 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: 8.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 34 IncrementalHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 12 mSDtfsCounter, 34 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 7.3s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 74 SizeOfPredicates, 12 NumberOfNonLiveVariables, 50 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 5/6 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: 56]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: 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 0.18ms. Allocated memory is still 56.6MB. Free memory is still 33.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 258.93ms. Allocated memory is still 88.1MB. Free memory was 64.1MB in the beginning and 52.5MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.37ms. Allocated memory is still 88.1MB. Free memory was 52.5MB in the beginning and 50.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.63ms. Allocated memory is still 88.1MB. Free memory was 50.9MB in the beginning and 49.3MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 496.64ms. Allocated memory is still 88.1MB. Free memory was 49.3MB in the beginning and 55.4MB in the end (delta: -6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * CodeCheck took 8529.20ms. Allocated memory was 88.1MB in the beginning and 237.0MB in the end (delta: 148.9MB). Free memory was 55.4MB in the beginning and 152.2MB in the end (delta: -96.8MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. * Witness Printer took 97.58ms. Allocated memory is still 237.0MB. Free memory was 152.2MB in the beginning and 148.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 04:21:26,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d018f4-90ca-4575-b29a-3155c321f673/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