./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_df1db4a8-731e-46eb-9044-02e5dcefacbd/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1db4a8-731e-46eb-9044-02e5dcefacbd/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1db4a8-731e-46eb-9044-02e5dcefacbd/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1db4a8-731e-46eb-9044-02e5dcefacbd/bin/ukojak-verify-afCqCEvfdi/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_df1db4a8-731e-46eb-9044-02e5dcefacbd/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1db4a8-731e-46eb-9044-02e5dcefacbd/bin/ukojak-verify-afCqCEvfdi --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 [2023-11-24 23:05:27,866 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:05:27,949 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1db4a8-731e-46eb-9044-02e5dcefacbd/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:05:27,953 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:05:27,954 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:05:27,986 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:05:27,987 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:05:27,987 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:05:27,988 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:05:27,989 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:05:27,989 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:05:27,990 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:05:27,991 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:05:27,991 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:05:27,992 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:05:27,992 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:05:27,993 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:05:27,994 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:05:27,994 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:05:27,995 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:05:27,995 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:05:27,996 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:05:27,997 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:05:27,998 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:05:27,998 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:05:27,999 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:05:27,999 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:28,000 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:05:28,000 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:05:28,001 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:05:28,001 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:05:28,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:05:28,003 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:05:28,003 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_df1db4a8-731e-46eb-9044-02e5dcefacbd/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1db4a8-731e-46eb-9044-02e5dcefacbd/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b6679b66df394d112d70edcc29d7c1d17ec70623c6c663e910f39926affa591 [2023-11-24 23:05:28,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:05:28,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:05:28,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:05:28,317 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:05:28,318 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:05:28,320 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1db4a8-731e-46eb-9044-02e5dcefacbd/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-42.i [2023-11-24 23:05:31,865 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:05:32,221 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:05:32,222 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1db4a8-731e-46eb-9044-02e5dcefacbd/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-42.i [2023-11-24 23:05:32,237 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1db4a8-731e-46eb-9044-02e5dcefacbd/bin/ukojak-verify-afCqCEvfdi/data/6d9fed658/49603e5bb1bc48bb8d1a3f9e93df9d9a/FLAG6f82ad834 [2023-11-24 23:05:32,253 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1db4a8-731e-46eb-9044-02e5dcefacbd/bin/ukojak-verify-afCqCEvfdi/data/6d9fed658/49603e5bb1bc48bb8d1a3f9e93df9d9a [2023-11-24 23:05:32,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:05:32,259 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:05:32,261 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:32,261 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:05:32,275 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:05:32,276 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:32" (1/1) ... [2023-11-24 23:05:32,278 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@db257ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:32, skipping insertion in model container [2023-11-24 23:05:32,279 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:32" (1/1) ... [2023-11-24 23:05:32,306 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:05:32,524 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_df1db4a8-731e-46eb-9044-02e5dcefacbd/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-42.i[915,928] [2023-11-24 23:05:32,551 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:32,567 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:05:32,584 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_df1db4a8-731e-46eb-9044-02e5dcefacbd/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-42.i[915,928] [2023-11-24 23:05:32,596 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:32,616 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:05:32,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:32 WrapperNode [2023-11-24 23:05:32,617 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:32,619 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:32,619 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:05:32,619 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:05:32,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:32" (1/1) ... [2023-11-24 23:05:32,638 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:32" (1/1) ... [2023-11-24 23:05:32,660 INFO L138 Inliner]: procedures = 26, calls = 16, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 56 [2023-11-24 23:05:32,661 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:32,662 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:05:32,662 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:05:32,662 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:05:32,674 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:32" (1/1) ... [2023-11-24 23:05:32,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:32" (1/1) ... [2023-11-24 23:05:32,676 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:32" (1/1) ... [2023-11-24 23:05:32,676 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:32" (1/1) ... [2023-11-24 23:05:32,682 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:32" (1/1) ... [2023-11-24 23:05:32,686 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:32" (1/1) ... [2023-11-24 23:05:32,688 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:32" (1/1) ... [2023-11-24 23:05:32,689 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:32" (1/1) ... [2023-11-24 23:05:32,691 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:05:32,692 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:05:32,693 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:05:32,693 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:05:32,694 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:32" (1/1) ... [2023-11-24 23:05:32,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:32,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1db4a8-731e-46eb-9044-02e5dcefacbd/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:05:32,736 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1db4a8-731e-46eb-9044-02e5dcefacbd/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:05:32,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1db4a8-731e-46eb-9044-02e5dcefacbd/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:05:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:05:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:05:32,778 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:05:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:05:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:05:32,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:05:32,862 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:05:32,864 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:05:33,037 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:05:33,154 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:05:33,155 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:05:33,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:33 BoogieIcfgContainer [2023-11-24 23:05:33,157 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:05:33,158 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:05:33,158 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:05:33,171 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:05:33,171 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:33" (1/1) ... [2023-11-24 23:05:33,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:05:33,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:33,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2023-11-24 23:05:33,260 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2023-11-24 23:05:33,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:05:33,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:33,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:33,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:05:33,529 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:05:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:05:33,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:05:33,755 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:05:33,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:05:33,803 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:05:33,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:05:33 ImpRootNode [2023-11-24 23:05:33,853 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:05:33,856 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:05:33,856 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:05:33,856 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:05:33,859 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:33" (3/4) ... [2023-11-24 23:05:33,862 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:05:33,864 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:05:33,865 INFO L158 Benchmark]: Toolchain (without parser) took 1605.69ms. Allocated memory is still 167.8MB. Free memory was 137.8MB in the beginning and 93.9MB in the end (delta: 43.9MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-24 23:05:33,867 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 109.1MB. Free memory is still 57.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:33,868 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.95ms. Allocated memory is still 167.8MB. Free memory was 137.8MB in the beginning and 127.1MB in the end (delta: 10.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:05:33,870 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.41ms. Allocated memory is still 167.8MB. Free memory was 126.7MB in the beginning and 125.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:05:33,871 INFO L158 Benchmark]: Boogie Preprocessor took 29.69ms. Allocated memory is still 167.8MB. Free memory was 125.4MB in the beginning and 124.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:05:33,872 INFO L158 Benchmark]: RCFGBuilder took 464.36ms. Allocated memory is still 167.8MB. Free memory was 124.1MB in the beginning and 110.5MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:05:33,874 INFO L158 Benchmark]: CodeCheck took 695.41ms. Allocated memory is still 167.8MB. Free memory was 110.5MB in the beginning and 94.3MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:05:33,875 INFO L158 Benchmark]: Witness Printer took 8.24ms. Allocated memory is still 167.8MB. Free memory was 94.3MB in the beginning and 93.9MB in the end (delta: 413.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:33,888 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: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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 0.38ms. Allocated memory is still 109.1MB. Free memory is still 57.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.95ms. Allocated memory is still 167.8MB. Free memory was 137.8MB in the beginning and 127.1MB in the end (delta: 10.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.41ms. Allocated memory is still 167.8MB. Free memory was 126.7MB in the beginning and 125.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.69ms. Allocated memory is still 167.8MB. Free memory was 125.4MB in the beginning and 124.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 464.36ms. Allocated memory is still 167.8MB. Free memory was 124.1MB in the beginning and 110.5MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 695.41ms. Allocated memory is still 167.8MB. Free memory was 110.5MB in the beginning and 94.3MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 8.24ms. Allocated memory is still 167.8MB. Free memory was 94.3MB in the beginning and 93.9MB in the end (delta: 413.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:05:33,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1db4a8-731e-46eb-9044-02e5dcefacbd/bin/ukojak-verify-afCqCEvfdi/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 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_df1db4a8-731e-46eb-9044-02e5dcefacbd/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1db4a8-731e-46eb-9044-02e5dcefacbd/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1db4a8-731e-46eb-9044-02e5dcefacbd/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1db4a8-731e-46eb-9044-02e5dcefacbd/bin/ukojak-verify-afCqCEvfdi/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_df1db4a8-731e-46eb-9044-02e5dcefacbd/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1db4a8-731e-46eb-9044-02e5dcefacbd/bin/ukojak-verify-afCqCEvfdi --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 [2023-11-24 23:05:37,097 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:05:37,198 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1db4a8-731e-46eb-9044-02e5dcefacbd/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 23:05:37,239 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:05:37,241 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:05:37,242 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:05:37,243 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:05:37,244 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:05:37,245 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:05:37,246 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:05:37,246 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:05:37,247 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:05:37,248 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:05:37,249 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:05:37,250 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:05:37,251 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:05:37,252 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:05:37,252 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:05:37,253 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:05:37,254 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:05:37,255 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:05:37,256 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:05:37,257 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:05:37,258 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:05:37,258 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:05:37,259 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:05:37,260 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:05:37,261 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:05:37,261 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:37,262 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:05:37,263 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:05:37,263 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:05:37,264 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:05:37,264 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:05:37,265 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:05:37,265 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:05:37,266 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:05:37,266 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_df1db4a8-731e-46eb-9044-02e5dcefacbd/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1db4a8-731e-46eb-9044-02e5dcefacbd/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b6679b66df394d112d70edcc29d7c1d17ec70623c6c663e910f39926affa591 [2023-11-24 23:05:37,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:05:37,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:05:37,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:05:37,793 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:05:37,794 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:05:37,796 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1db4a8-731e-46eb-9044-02e5dcefacbd/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-42.i [2023-11-24 23:05:41,323 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:05:41,606 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:05:41,607 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1db4a8-731e-46eb-9044-02e5dcefacbd/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-42.i [2023-11-24 23:05:41,616 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1db4a8-731e-46eb-9044-02e5dcefacbd/bin/ukojak-verify-afCqCEvfdi/data/e4e4770a9/d031029ef5a14dd8a7ff7d0f5d12e089/FLAGd3eb84f49 [2023-11-24 23:05:41,633 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1db4a8-731e-46eb-9044-02e5dcefacbd/bin/ukojak-verify-afCqCEvfdi/data/e4e4770a9/d031029ef5a14dd8a7ff7d0f5d12e089 [2023-11-24 23:05:41,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:05:41,638 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:05:41,639 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:41,640 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:05:41,645 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:05:41,646 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:41" (1/1) ... [2023-11-24 23:05:41,647 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b186741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:41, skipping insertion in model container [2023-11-24 23:05:41,648 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:41" (1/1) ... [2023-11-24 23:05:41,699 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:05:41,946 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_df1db4a8-731e-46eb-9044-02e5dcefacbd/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-42.i[915,928] [2023-11-24 23:05:41,993 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:42,017 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:05:42,037 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_df1db4a8-731e-46eb-9044-02e5dcefacbd/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-42.i[915,928] [2023-11-24 23:05:42,063 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:42,094 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:05:42,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:42 WrapperNode [2023-11-24 23:05:42,095 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:42,096 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:42,097 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:05:42,097 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:05:42,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:42" (1/1) ... [2023-11-24 23:05:42,135 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:42" (1/1) ... [2023-11-24 23:05:42,176 INFO L138 Inliner]: procedures = 27, calls = 16, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 55 [2023-11-24 23:05:42,177 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:42,178 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:05:42,178 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:05:42,178 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:05:42,192 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:42" (1/1) ... [2023-11-24 23:05:42,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:42" (1/1) ... [2023-11-24 23:05:42,196 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:42" (1/1) ... [2023-11-24 23:05:42,196 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:42" (1/1) ... [2023-11-24 23:05:42,205 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:42" (1/1) ... [2023-11-24 23:05:42,210 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:42" (1/1) ... [2023-11-24 23:05:42,212 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:42" (1/1) ... [2023-11-24 23:05:42,214 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:42" (1/1) ... [2023-11-24 23:05:42,218 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:05:42,219 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:05:42,220 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:05:42,220 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:05:42,221 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:42" (1/1) ... [2023-11-24 23:05:42,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:42,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1db4a8-731e-46eb-9044-02e5dcefacbd/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:05:42,276 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1db4a8-731e-46eb-9044-02e5dcefacbd/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:05:42,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1db4a8-731e-46eb-9044-02e5dcefacbd/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:05:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:05:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:05:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:05:42,341 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:05:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:05:42,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:05:42,461 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:05:42,464 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:05:43,023 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:05:43,129 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:05:43,130 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:05:43,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:43 BoogieIcfgContainer [2023-11-24 23:05:43,137 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:05:43,138 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:05:43,138 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:05:43,151 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:05:43,151 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:43" (1/1) ... [2023-11-24 23:05:43,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:05:43,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:43,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2023-11-24 23:05:43,261 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2023-11-24 23:05:43,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:05:43,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:43,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:05:43,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1db4a8-731e-46eb-9044-02e5dcefacbd/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:05:43,273 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1db4a8-731e-46eb-9044-02e5dcefacbd/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:05:43,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1db4a8-731e-46eb-9044-02e5dcefacbd/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:05:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:43,821 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:05:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:43,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 23:05:43,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:56,126 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:05:56,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1db4a8-731e-46eb-9044-02e5dcefacbd/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:05:57,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:57,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 11 states and 13 transitions. [2023-11-24 23:05:57,165 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2023-11-24 23:05:57,166 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:05:57,166 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2023-11-24 23:05:57,176 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-24 23:05:57,195 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:05:57,199 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:05:57,199 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:05:57,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:05:57 ImpRootNode [2023-11-24 23:05:57,200 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:05:57,201 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:05:57,201 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:05:57,202 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:05:57,202 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:43" (3/4) ... [2023-11-24 23:05:57,205 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:05:57,209 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-24 23:05:57,215 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-24 23:05:57,215 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-24 23:05:57,216 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 23:05:57,216 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:05:57,347 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1db4a8-731e-46eb-9044-02e5dcefacbd/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:05:57,348 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1db4a8-731e-46eb-9044-02e5dcefacbd/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 23:05:57,348 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:05:57,349 INFO L158 Benchmark]: Toolchain (without parser) took 15711.31ms. Allocated memory was 92.3MB in the beginning and 207.6MB in the end (delta: 115.3MB). Free memory was 68.6MB in the beginning and 141.5MB in the end (delta: -72.8MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2023-11-24 23:05:57,350 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 58.7MB. Free memory is still 35.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:57,350 INFO L158 Benchmark]: CACSL2BoogieTranslator took 455.99ms. Allocated memory is still 92.3MB. Free memory was 68.4MB in the beginning and 56.9MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:05:57,351 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.82ms. Allocated memory is still 92.3MB. Free memory was 56.7MB in the beginning and 55.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:05:57,352 INFO L158 Benchmark]: Boogie Preprocessor took 40.45ms. Allocated memory is still 92.3MB. Free memory was 55.0MB in the beginning and 53.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:05:57,352 INFO L158 Benchmark]: RCFGBuilder took 917.77ms. Allocated memory is still 92.3MB. Free memory was 53.5MB in the beginning and 61.7MB in the end (delta: -8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-24 23:05:57,353 INFO L158 Benchmark]: CodeCheck took 14062.08ms. Allocated memory was 92.3MB in the beginning and 207.6MB in the end (delta: 115.3MB). Free memory was 61.7MB in the beginning and 146.6MB in the end (delta: -84.9MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2023-11-24 23:05:57,360 INFO L158 Benchmark]: Witness Printer took 147.33ms. Allocated memory is still 207.6MB. Free memory was 146.6MB in the beginning and 141.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:05:57,363 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: 14.0s, 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, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.6s 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, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 12.2s 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 0.38ms. Allocated memory is still 58.7MB. Free memory is still 35.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 455.99ms. Allocated memory is still 92.3MB. Free memory was 68.4MB in the beginning and 56.9MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.82ms. Allocated memory is still 92.3MB. Free memory was 56.7MB in the beginning and 55.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.45ms. Allocated memory is still 92.3MB. Free memory was 55.0MB in the beginning and 53.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 917.77ms. Allocated memory is still 92.3MB. Free memory was 53.5MB in the beginning and 61.7MB in the end (delta: -8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 14062.08ms. Allocated memory was 92.3MB in the beginning and 207.6MB in the end (delta: 115.3MB). Free memory was 61.7MB in the beginning and 146.6MB in the end (delta: -84.9MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. * Witness Printer took 147.33ms. Allocated memory is still 207.6MB. Free memory was 146.6MB in the beginning and 141.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 23:05:57,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1db4a8-731e-46eb-9044-02e5dcefacbd/bin/ukojak-verify-afCqCEvfdi/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 Writing output log to file Ultimate.log Result: TRUE