./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-41.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/bin/ukojak-verify-ImItNfHLgk --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 521a7b23bb41076c0af28c4cc3c2330626cca2c8b416fc98ef78b6e64d1f37d0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:35:23,326 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:35:23,422 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:35:23,427 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:35:23,428 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:35:23,472 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:35:23,473 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:35:23,474 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:35:23,475 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:35:23,475 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:35:23,476 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:35:23,476 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:35:23,477 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:35:23,477 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:35:23,477 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:35:23,478 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:35:23,478 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:35:23,479 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:35:23,479 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:35:23,479 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:35:23,480 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:35:23,484 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:35:23,484 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:35:23,484 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:35:23,485 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:35:23,485 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:35:23,485 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:35:23,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:35:23,486 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:35:23,486 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:35:23,487 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:35:23,487 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:35:23,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:35:23,492 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_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 521a7b23bb41076c0af28c4cc3c2330626cca2c8b416fc98ef78b6e64d1f37d0 [2024-11-08 22:35:23,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:35:23,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:35:23,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:35:23,844 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:35:23,844 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:35:23,846 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-41.i Unable to find full path for "g++" [2024-11-08 22:35:25,862 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:35:26,043 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:35:26,044 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-41.i [2024-11-08 22:35:26,053 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/bin/ukojak-verify-ImItNfHLgk/data/0f643d7ff/c316750199e540bd9c2063e8e4ba67ee/FLAG668f19701 [2024-11-08 22:35:26,421 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/bin/ukojak-verify-ImItNfHLgk/data/0f643d7ff/c316750199e540bd9c2063e8e4ba67ee [2024-11-08 22:35:26,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:35:26,425 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:35:26,426 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:35:26,427 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:35:26,430 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:35:26,431 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:35:26" (1/1) ... [2024-11-08 22:35:26,432 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10ad9e80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:26, skipping insertion in model container [2024-11-08 22:35:26,432 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:35:26" (1/1) ... [2024-11-08 22:35:26,473 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:35:26,649 WARN L250 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_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-41.i[917,930] [2024-11-08 22:35:26,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:35:26,715 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:35:26,728 WARN L250 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_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-41.i[917,930] [2024-11-08 22:35:26,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:35:26,771 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:35:26,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:26 WrapperNode [2024-11-08 22:35:26,772 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:35:26,773 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:35:26,773 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:35:26,773 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:35:26,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:26" (1/1) ... [2024-11-08 22:35:26,787 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:26" (1/1) ... [2024-11-08 22:35:26,817 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 103 [2024-11-08 22:35:26,818 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:35:26,819 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:35:26,819 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:35:26,819 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:35:26,829 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:26" (1/1) ... [2024-11-08 22:35:26,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:26" (1/1) ... [2024-11-08 22:35:26,836 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:26" (1/1) ... [2024-11-08 22:35:26,837 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:26" (1/1) ... [2024-11-08 22:35:26,842 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:26" (1/1) ... [2024-11-08 22:35:26,846 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:26" (1/1) ... [2024-11-08 22:35:26,847 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:26" (1/1) ... [2024-11-08 22:35:26,848 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:26" (1/1) ... [2024-11-08 22:35:26,851 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:35:26,852 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:35:26,852 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:35:26,852 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:35:26,853 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:26" (1/1) ... [2024-11-08 22:35:26,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:35:26,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:35:26,888 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:35:26,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:35:26,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:35:26,928 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 22:35:26,928 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 22:35:26,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:35:26,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:35:26,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:35:27,050 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:35:27,055 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:35:27,385 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-08 22:35:27,385 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:35:27,505 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:35:27,506 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:35:27,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:35:27 BoogieIcfgContainer [2024-11-08 22:35:27,506 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:35:27,507 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:35:27,507 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:35:27,518 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:35:27,518 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:35:27" (1/1) ... [2024-11-08 22:35:27,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:35:27,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:27,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:35:27,581 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:35:27,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 22:35:27,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:27,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:35:27,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:35:27,799 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:35:27,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:35:27,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:35:27,995 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:35:28,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:35:28,079 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:35:28,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:35:28 ImpRootNode [2024-11-08 22:35:28,131 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:35:28,132 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:35:28,132 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:35:28,132 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:35:28,133 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:35:27" (3/4) ... [2024-11-08 22:35:28,136 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:35:28,137 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:35:28,138 INFO L158 Benchmark]: Toolchain (without parser) took 1712.49ms. Allocated memory is still 165.7MB. Free memory was 136.3MB in the beginning and 81.4MB in the end (delta: 54.8MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. [2024-11-08 22:35:28,138 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 121.6MB. Free memory is still 94.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:35:28,139 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.65ms. Allocated memory is still 165.7MB. Free memory was 136.1MB in the beginning and 122.9MB in the end (delta: 13.1MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2024-11-08 22:35:28,140 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.42ms. Allocated memory is still 165.7MB. Free memory was 122.9MB in the beginning and 120.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:35:28,140 INFO L158 Benchmark]: Boogie Preprocessor took 32.60ms. Allocated memory is still 165.7MB. Free memory was 120.8MB in the beginning and 119.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:35:28,141 INFO L158 Benchmark]: RCFGBuilder took 654.21ms. Allocated memory is still 165.7MB. Free memory was 119.7MB in the beginning and 115.0MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 22:35:28,142 INFO L158 Benchmark]: CodeCheck took 624.07ms. Allocated memory is still 165.7MB. Free memory was 114.8MB in the beginning and 82.4MB in the end (delta: 32.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-08 22:35:28,142 INFO L158 Benchmark]: Witness Printer took 5.24ms. Allocated memory is still 165.7MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:35:28,145 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, 30 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 42, overapproximation of someBinaryArithmeticDOUBLEoperation at line 41. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -16; [L23] unsigned char var_1_5 = 0; [L24] signed char var_1_6 = -8; [L25] signed char var_1_7 = 5; [L26] unsigned short int var_1_8 = 2; [L27] unsigned char var_1_11 = 0; [L28] double var_1_12 = 8.5; [L29] double var_1_13 = 999999999.6; [L30] signed long int var_1_14 = 10; [L31] signed char var_1_15 = -1; [L32] unsigned char var_1_16 = 16; [L33] unsigned char var_1_17 = 64; [L34] signed char last_1_var_1_1 = -16; [L99] isInitial = 1 [L100] FCALL initially() [L101] COND TRUE 1 [L102] CALL updateLastVariables() [L92] last_1_var_1_1 = var_1_1 [L102] RET updateLastVariables() [L103] CALL updateVariables() [L69] var_1_5 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_6=-8, var_1_7=5, var_1_8=2] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_6=-8, var_1_7=5, var_1_8=2] [L71] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=-8, var_1_7=5, var_1_8=2] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=-8, var_1_7=5, var_1_8=2] [L72] var_1_6 = __VERIFIER_nondet_char() [L73] CALL assume_abort_if_not(var_1_6 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_6 >= -31) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2] [L74] CALL assume_abort_if_not(var_1_6 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_6 <= 31) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2] [L75] var_1_7 = __VERIFIER_nondet_char() [L76] CALL assume_abort_if_not(var_1_7 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=2] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_7 >= -63) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=2] [L77] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=2] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=2] [L78] var_1_11 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=2] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=2] [L80] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=2] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=17/2, var_1_13=4999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=2] [L81] var_1_13 = __VERIFIER_nondet_double() [L82] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=17/2, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=2] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=17/2, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=2] [L83] var_1_15 = __VERIFIER_nondet_char() [L84] CALL assume_abort_if_not(var_1_15 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=17/2, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=2] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_15 >= -128) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=17/2, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=2] [L85] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=17/2, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=2] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=17/2, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=2] [L86] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=17/2, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=2] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=17/2, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=2] [L87] var_1_17 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=17/2, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=2] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=17/2, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=2] [L89] CALL assume_abort_if_not(var_1_17 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=17/2, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=0, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=2] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_17 <= 254) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=17/2, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=0, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=2] [L103] RET updateVariables() [L104] CALL step() [L38] COND TRUE var_1_5 && (last_1_var_1_1 <= last_1_var_1_1) [L39] var_1_16 = var_1_17 [L41] var_1_12 = (var_1_13 - 8.3) [L42] unsigned char stepLocal_1 = var_1_13 >= var_1_12; [L43] COND FALSE !(var_1_5 && stepLocal_1) [L46] var_1_14 = var_1_15 [L48] COND TRUE \read(var_1_5) [L49] var_1_8 = (var_1_16 + var_1_16) [L57] unsigned long int stepLocal_0 = (var_1_8 & 0u) * var_1_16; [L58] COND FALSE !(stepLocal_0 > var_1_8) [L65] var_1_1 = var_1_6 [L104] RET step() [L105] CALL, EXPR property() [L95-L96] return (((((((var_1_8 & 0u) * var_1_16) > var_1_8) ? (var_1_5 ? (var_1_1 == ((signed char) ((16 + var_1_6) + var_1_7))) : (var_1_1 == ((signed char) ((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6)))))) : (var_1_1 == ((signed char) var_1_6))) && (var_1_5 ? (var_1_8 == ((unsigned short int) (var_1_16 + var_1_16))) : (((var_1_16 > var_1_14) || var_1_11) ? (var_1_8 == ((unsigned short int) var_1_16)) : (var_1_8 == ((unsigned short int) var_1_16))))) && (var_1_12 == ((double) (var_1_13 - 8.3)))) && ((var_1_5 && (var_1_13 >= var_1_12)) ? (var_1_14 == ((signed long int) var_1_16)) : (var_1_14 == ((signed long int) var_1_15)))) && ((var_1_5 && (last_1_var_1_1 <= last_1_var_1_1)) ? (var_1_16 == ((unsigned char) var_1_17)) : 1) ; [L105] RET, EXPR property() [L105] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_14=-1, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_14=-1, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 121.6MB. Free memory is still 94.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 345.65ms. Allocated memory is still 165.7MB. Free memory was 136.1MB in the beginning and 122.9MB in the end (delta: 13.1MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.42ms. Allocated memory is still 165.7MB. Free memory was 122.9MB in the beginning and 120.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.60ms. Allocated memory is still 165.7MB. Free memory was 120.8MB in the beginning and 119.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 654.21ms. Allocated memory is still 165.7MB. Free memory was 119.7MB in the beginning and 115.0MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 624.07ms. Allocated memory is still 165.7MB. Free memory was 114.8MB in the beginning and 82.4MB in the end (delta: 32.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 5.24ms. Allocated memory is still 165.7MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:35:28,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/bin/ukojak-verify-ImItNfHLgk/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_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/bin/ukojak-verify-ImItNfHLgk --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 521a7b23bb41076c0af28c4cc3c2330626cca2c8b416fc98ef78b6e64d1f37d0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:35:30,496 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:35:30,607 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:35:30,646 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:35:30,649 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:35:30,650 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:35:30,651 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:35:30,651 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:35:30,652 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:35:30,653 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:35:30,654 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:35:30,654 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:35:30,655 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:35:30,657 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:35:30,658 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:35:30,658 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:35:30,658 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:35:30,659 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:35:30,659 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:35:30,659 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:35:30,660 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:35:30,660 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:35:30,660 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:35:30,661 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:35:30,662 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:35:30,663 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:35:30,663 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:30,663 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:35:30,666 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:35:30,666 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:35:30,667 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:35:30,667 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:35:30,667 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:35:30,668 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:35:30,668 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:30,668 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:35:30,668 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_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 521a7b23bb41076c0af28c4cc3c2330626cca2c8b416fc98ef78b6e64d1f37d0 [2024-11-08 22:35:31,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:35:31,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:35:31,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:35:31,060 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:35:31,061 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:35:31,062 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-41.i Unable to find full path for "g++" [2024-11-08 22:35:33,108 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:35:33,362 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:35:33,362 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-41.i [2024-11-08 22:35:33,372 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/bin/ukojak-verify-ImItNfHLgk/data/8daf0614f/b5c7c8a0e568498fa1eeb37957b91e5b/FLAGd441697d6 [2024-11-08 22:35:33,387 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/bin/ukojak-verify-ImItNfHLgk/data/8daf0614f/b5c7c8a0e568498fa1eeb37957b91e5b [2024-11-08 22:35:33,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:35:33,392 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:35:33,393 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:35:33,393 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:35:33,399 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:35:33,400 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:35:33" (1/1) ... [2024-11-08 22:35:33,401 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b9ac1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:33, skipping insertion in model container [2024-11-08 22:35:33,401 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:35:33" (1/1) ... [2024-11-08 22:35:33,425 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:35:33,648 WARN L250 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_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-41.i[917,930] [2024-11-08 22:35:33,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:35:33,728 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:35:33,744 WARN L250 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_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-41.i[917,930] [2024-11-08 22:35:33,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:35:33,813 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:35:33,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:33 WrapperNode [2024-11-08 22:35:33,813 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:35:33,814 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:35:33,815 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:35:33,815 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:35:33,824 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:33" (1/1) ... [2024-11-08 22:35:33,836 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:33" (1/1) ... [2024-11-08 22:35:33,864 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 100 [2024-11-08 22:35:33,865 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:35:33,865 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:35:33,865 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:35:33,865 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:35:33,884 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:33" (1/1) ... [2024-11-08 22:35:33,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:33" (1/1) ... [2024-11-08 22:35:33,890 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:33" (1/1) ... [2024-11-08 22:35:33,894 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:33" (1/1) ... [2024-11-08 22:35:33,905 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:33" (1/1) ... [2024-11-08 22:35:33,911 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:33" (1/1) ... [2024-11-08 22:35:33,917 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:33" (1/1) ... [2024-11-08 22:35:33,919 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:33" (1/1) ... [2024-11-08 22:35:33,925 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:35:33,929 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:35:33,929 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:35:33,929 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:35:33,930 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:33" (1/1) ... [2024-11-08 22:35:33,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:35:33,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:35:33,963 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:35:33,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:35:34,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:35:34,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:35:34,005 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 22:35:34,005 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 22:35:34,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:35:34,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:35:34,116 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:35:34,118 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:35:34,878 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-08 22:35:34,878 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:35:35,028 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:35:35,028 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:35:35,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:35:35 BoogieIcfgContainer [2024-11-08 22:35:35,029 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:35:35,030 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:35:35,030 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:35:35,044 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:35:35,044 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:35:35" (1/1) ... [2024-11-08 22:35:35,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:35:35,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:35,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:35:35,110 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:35:35,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 22:35:35,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:35,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:35,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:35,133 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:35,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:35:35,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:35,760 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:37,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:35:37,978 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:41,829 WARN L286 SmtUtils]: Spent 13.19s on a formula simplification. DAG size of input: 475 DAG size of output: 465 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:46:54,555 WARN L286 SmtUtils]: Spent 9.18s on a formula simplification. DAG size of input: 325 DAG size of output: 325 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:47:54,914 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 87 proven. 17 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-08 22:47:54,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:47:58,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:58,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 54 states and 92 transitions. [2024-11-08 22:47:58,251 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 92 transitions. [2024-11-08 22:47:58,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-08 22:47:58,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:58,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:58,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:58,264 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:58,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28109dbc-1acb-4e08-bbd9-e0f06cdb9d1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:47:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:59,131 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:00,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:00,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 22:48:00,318 INFO L278 TraceCheckSpWp]: Computing forward predicates...