./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-11.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665749fe-6c6b-48c0-ab23-ee9d8bb20019/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665749fe-6c6b-48c0-ab23-ee9d8bb20019/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_665749fe-6c6b-48c0-ab23-ee9d8bb20019/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665749fe-6c6b-48c0-ab23-ee9d8bb20019/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665749fe-6c6b-48c0-ab23-ee9d8bb20019/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_665749fe-6c6b-48c0-ab23-ee9d8bb20019/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 6768dd66a63438b97c4000afe1975121b113cc0e56ca3e7c3bb97c4a3e086311 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:06:25,873 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:06:25,956 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665749fe-6c6b-48c0-ab23-ee9d8bb20019/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:06:25,962 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:06:25,963 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:06:25,998 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:06:25,999 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:06:26,000 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:06:26,001 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:06:26,002 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:06:26,002 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:06:26,003 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:06:26,004 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:06:26,005 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:06:26,005 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:06:26,006 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:06:26,007 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:06:26,008 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:06:26,008 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:06:26,009 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:06:26,010 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:06:26,011 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:06:26,012 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:06:26,013 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:06:26,013 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:06:26,014 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:06:26,015 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:06:26,016 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:06:26,017 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:06:26,017 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:06:26,018 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:06:26,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:06:26,019 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:06:26,020 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_665749fe-6c6b-48c0-ab23-ee9d8bb20019/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665749fe-6c6b-48c0-ab23-ee9d8bb20019/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6768dd66a63438b97c4000afe1975121b113cc0e56ca3e7c3bb97c4a3e086311 [2023-11-24 23:06:26,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:06:26,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:06:26,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:06:26,337 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:06:26,338 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:06:26,339 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665749fe-6c6b-48c0-ab23-ee9d8bb20019/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-11.i [2023-11-24 23:06:29,944 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:06:30,190 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:06:30,191 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665749fe-6c6b-48c0-ab23-ee9d8bb20019/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-11.i [2023-11-24 23:06:30,202 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665749fe-6c6b-48c0-ab23-ee9d8bb20019/bin/ukojak-verify-afCqCEvfdi/data/65e705b9d/7557111f51aa4e94b0f72b92b6f05109/FLAG56d8c88a3 [2023-11-24 23:06:30,221 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665749fe-6c6b-48c0-ab23-ee9d8bb20019/bin/ukojak-verify-afCqCEvfdi/data/65e705b9d/7557111f51aa4e94b0f72b92b6f05109 [2023-11-24 23:06:30,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:06:30,226 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:06:30,228 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:06:30,229 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:06:30,235 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:06:30,236 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:06:30" (1/1) ... [2023-11-24 23:06:30,237 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@569391e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:30, skipping insertion in model container [2023-11-24 23:06:30,238 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:06:30" (1/1) ... [2023-11-24 23:06:30,273 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:06:30,479 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_665749fe-6c6b-48c0-ab23-ee9d8bb20019/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-11.i[915,928] [2023-11-24 23:06:30,526 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:06:30,542 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:06:30,555 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_665749fe-6c6b-48c0-ab23-ee9d8bb20019/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-11.i[915,928] [2023-11-24 23:06:30,585 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:06:30,606 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:06:30,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:30 WrapperNode [2023-11-24 23:06:30,607 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:06:30,608 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:06:30,608 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:06:30,608 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:06:30,617 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:30" (1/1) ... [2023-11-24 23:06:30,628 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:30" (1/1) ... [2023-11-24 23:06:30,670 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 115 [2023-11-24 23:06:30,671 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:06:30,672 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:06:30,672 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:06:30,672 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:06:30,684 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:30" (1/1) ... [2023-11-24 23:06:30,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:30" (1/1) ... [2023-11-24 23:06:30,687 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:30" (1/1) ... [2023-11-24 23:06:30,688 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:30" (1/1) ... [2023-11-24 23:06:30,696 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:30" (1/1) ... [2023-11-24 23:06:30,701 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:30" (1/1) ... [2023-11-24 23:06:30,703 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:30" (1/1) ... [2023-11-24 23:06:30,705 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:30" (1/1) ... [2023-11-24 23:06:30,709 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:06:30,710 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:06:30,710 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:06:30,711 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:06:30,712 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:30" (1/1) ... [2023-11-24 23:06:30,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:06:30,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665749fe-6c6b-48c0-ab23-ee9d8bb20019/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:06:30,769 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665749fe-6c6b-48c0-ab23-ee9d8bb20019/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:06:30,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665749fe-6c6b-48c0-ab23-ee9d8bb20019/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:06:30,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:06:30,816 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:06:30,816 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:06:30,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:06:30,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:06:30,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:06:30,911 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:06:30,913 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:06:31,276 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:06:31,487 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:06:31,488 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:06:31,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:31 BoogieIcfgContainer [2023-11-24 23:06:31,490 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:06:31,492 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:06:31,492 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:06:31,506 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:06:31,506 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:31" (1/1) ... [2023-11-24 23:06:31,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:06:31,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:31,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 38 states and 57 transitions. [2023-11-24 23:06:31,600 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 57 transitions. [2023-11-24 23:06:31,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-24 23:06:31,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:31,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:32,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:06:32,188 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:06:32,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:06:32,360 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:06:32,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:06:32 ImpRootNode [2023-11-24 23:06:32,507 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:06:32,508 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:06:32,509 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:06:32,510 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:06:32,511 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:31" (3/4) ... [2023-11-24 23:06:32,514 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:06:32,515 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:06:32,517 INFO L158 Benchmark]: Toolchain (without parser) took 2290.06ms. Allocated memory was 151.0MB in the beginning and 190.8MB in the end (delta: 39.8MB). Free memory was 104.8MB in the beginning and 128.4MB in the end (delta: -23.6MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2023-11-24 23:06:32,518 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 151.0MB. Free memory was 97.9MB in the beginning and 97.8MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:06:32,519 INFO L158 Benchmark]: CACSL2BoogieTranslator took 378.90ms. Allocated memory is still 151.0MB. Free memory was 104.5MB in the beginning and 92.2MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:06:32,520 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.94ms. Allocated memory is still 151.0MB. Free memory was 92.2MB in the beginning and 90.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:06:32,521 INFO L158 Benchmark]: Boogie Preprocessor took 37.38ms. Allocated memory is still 151.0MB. Free memory was 90.1MB in the beginning and 88.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:06:32,522 INFO L158 Benchmark]: RCFGBuilder took 780.54ms. Allocated memory was 151.0MB in the beginning and 190.8MB in the end (delta: 39.8MB). Free memory was 88.4MB in the beginning and 155.5MB in the end (delta: -67.1MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2023-11-24 23:06:32,524 INFO L158 Benchmark]: CodeCheck took 1015.76ms. Allocated memory is still 190.8MB. Free memory was 154.5MB in the beginning and 128.4MB in the end (delta: 26.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-24 23:06:32,524 INFO L158 Benchmark]: Witness Printer took 7.23ms. Allocated memory is still 190.8MB. Free memory is still 128.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:06:32,528 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, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 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 39, overapproximation of someBinaryFLOATComparisonOperation at line 42. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -16; [L23] double var_1_2 = 50.75; [L24] unsigned char var_1_5 = 1; [L25] unsigned char var_1_6 = 0; [L26] signed char var_1_7 = 10; [L27] float var_1_8 = 32.5; [L28] float var_1_9 = 1000000.7; [L29] float var_1_10 = 1.2; [L30] unsigned short int var_1_11 = 256; [L31] signed long int var_1_12 = -64; [L32] signed long int var_1_13 = -16; [L33] unsigned short int var_1_14 = 56281; [L34] unsigned short int var_1_15 = 32; [L35] float last_1_var_1_8 = 32.5; [L102] isInitial = 1 [L103] FCALL initially() [L104] COND TRUE 1 [L105] CALL updateLastVariables() [L95] last_1_var_1_8 = var_1_8 [L105] RET updateLastVariables() [L106] CALL updateVariables() [L64] var_1_2 = __VERIFIER_nondet_double() [L65] CALL assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=10, var_1_8=65/2, var_1_9=10000007/10] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=10, var_1_8=65/2, var_1_9=10000007/10] [L66] var_1_5 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_6=0, var_1_7=10, var_1_8=65/2, var_1_9=10000007/10] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_6=0, var_1_7=10, var_1_8=65/2, var_1_9=10000007/10] [L68] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=10, var_1_8=65/2, var_1_9=10000007/10] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=10, var_1_8=65/2, var_1_9=10000007/10] [L69] var_1_6 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_7=10, var_1_8=65/2, var_1_9=10000007/10] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_7=10, var_1_8=65/2, var_1_9=10000007/10] [L71] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=10, var_1_8=65/2, var_1_9=10000007/10] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=10, var_1_8=65/2, var_1_9=10000007/10] [L72] var_1_7 = __VERIFIER_nondet_char() [L73] CALL assume_abort_if_not(var_1_7 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=65/2, var_1_9=10000007/10] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_7 >= -127) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=65/2, var_1_9=10000007/10] [L74] CALL assume_abort_if_not(var_1_7 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=65/2, var_1_9=10000007/10] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_7 <= 126) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=65/2, var_1_9=10000007/10] [L75] var_1_9 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=65/2] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=65/2] [L77] var_1_10 = __VERIFIER_nondet_float() [L78] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=65/2] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=65/2] [L79] var_1_12 = __VERIFIER_nondet_long() [L80] CALL assume_abort_if_not(var_1_12 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=-16, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=65/2] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_12 >= -2147483648) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=-16, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=65/2] [L81] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=-16, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=65/2] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=-16, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=65/2] [L82] CALL assume_abort_if_not(var_1_12 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=-16, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=65/2] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_12 != 0) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=-16, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=65/2] [L83] var_1_13 = __VERIFIER_nondet_long() [L84] CALL assume_abort_if_not(var_1_13 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=-16, var_1_13=1, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=65/2] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_13 >= -2147483648) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=-16, var_1_13=1, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=65/2] [L85] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=-16, var_1_13=1, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=65/2] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=-16, var_1_13=1, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=65/2] [L86] CALL assume_abort_if_not(var_1_13 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=-16, var_1_13=1, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=65/2] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_13 != 0) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=-16, var_1_13=1, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=65/2] [L87] var_1_14 = __VERIFIER_nondet_ushort() [L88] CALL assume_abort_if_not(var_1_14 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=-16, var_1_13=1, var_1_14=32767, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=65/2] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_14 >= 32767) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=-16, var_1_13=1, var_1_14=32767, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=65/2] [L89] CALL assume_abort_if_not(var_1_14 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=-16, var_1_13=1, var_1_14=32767, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=65/2] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_14 <= 65534) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=-16, var_1_13=1, var_1_14=32767, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=65/2] [L90] var_1_15 = __VERIFIER_nondet_ushort() [L91] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=-16, var_1_13=1, var_1_14=32767, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=65/2] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=-16, var_1_13=1, var_1_14=32767, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=65/2] [L92] CALL assume_abort_if_not(var_1_15 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=-16, var_1_13=1, var_1_14=32767, var_1_15=32767, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=65/2] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_15 <= 32767) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=-16, var_1_13=1, var_1_14=32767, var_1_15=32767, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=65/2] [L106] RET updateVariables() [L107] CALL step() [L39] COND TRUE last_1_var_1_8 >= var_1_2 [L40] COND TRUE \read(var_1_6) [L41] COND FALSE !(! var_1_5) [L44] var_1_8 = var_1_9 [L48] unsigned char stepLocal_0 = var_1_5; [L49] COND FALSE !((var_1_2 - 5.25) < (var_1_8 * (var_1_8 * 199.4))) [L58] signed long int stepLocal_1 = var_1_1 / ((((var_1_12) < (var_1_13)) ? (var_1_12) : (var_1_13))); [L59] COND TRUE stepLocal_1 < var_1_7 [L60] var_1_11 = (var_1_14 - var_1_15) [L107] RET step() [L108] CALL, EXPR property() [L98-L99] return ((((var_1_2 - 5.25) < (var_1_8 * (var_1_8 * 199.4))) ? ((var_1_5 && var_1_6) ? ((var_1_8 < var_1_8) ? (var_1_1 == ((signed char) var_1_7)) : (var_1_1 == ((signed char) var_1_7))) : 1) : 1) && ((last_1_var_1_8 >= var_1_2) ? (var_1_6 ? ((! var_1_5) ? (var_1_8 == ((float) ((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10))))) : (var_1_8 == ((float) var_1_9))) : 1) : 1)) && (((var_1_1 / ((((var_1_12) < (var_1_13)) ? (var_1_12) : (var_1_13)))) < var_1_7) ? (var_1_11 == ((unsigned short int) (var_1_14 - var_1_15))) : 1) ; [L108] RET, EXPR property() [L108] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_8=65/2, var_1_10=0, var_1_11=0, var_1_12=-16, var_1_13=1, var_1_14=32767, var_1_15=32767, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=65/2, var_1_9=65/2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_8=65/2, var_1_10=0, var_1_11=0, var_1_12=-16, var_1_13=1, var_1_14=32767, var_1_15=32767, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=65/2, var_1_9=65/2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 151.0MB. Free memory was 97.9MB in the beginning and 97.8MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 378.90ms. Allocated memory is still 151.0MB. Free memory was 104.5MB in the beginning and 92.2MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.94ms. Allocated memory is still 151.0MB. Free memory was 92.2MB in the beginning and 90.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.38ms. Allocated memory is still 151.0MB. Free memory was 90.1MB in the beginning and 88.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 780.54ms. Allocated memory was 151.0MB in the beginning and 190.8MB in the end (delta: 39.8MB). Free memory was 88.4MB in the beginning and 155.5MB in the end (delta: -67.1MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. * CodeCheck took 1015.76ms. Allocated memory is still 190.8MB. Free memory was 154.5MB in the beginning and 128.4MB in the end (delta: 26.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 7.23ms. Allocated memory is still 190.8MB. Free memory is still 128.4MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:06:32,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665749fe-6c6b-48c0-ab23-ee9d8bb20019/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665749fe-6c6b-48c0-ab23-ee9d8bb20019/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665749fe-6c6b-48c0-ab23-ee9d8bb20019/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_665749fe-6c6b-48c0-ab23-ee9d8bb20019/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665749fe-6c6b-48c0-ab23-ee9d8bb20019/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665749fe-6c6b-48c0-ab23-ee9d8bb20019/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_665749fe-6c6b-48c0-ab23-ee9d8bb20019/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 6768dd66a63438b97c4000afe1975121b113cc0e56ca3e7c3bb97c4a3e086311 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:06:35,707 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:06:35,853 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665749fe-6c6b-48c0-ab23-ee9d8bb20019/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 23:06:35,891 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:06:35,893 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:06:35,893 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:06:35,894 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:06:35,895 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:06:35,896 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:06:35,897 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:06:35,897 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:06:35,898 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:06:35,899 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:06:35,899 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:06:35,900 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:06:35,901 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:06:35,901 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:06:35,902 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:06:35,902 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:06:35,903 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:06:35,904 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:06:35,904 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:06:35,905 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:06:35,905 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:06:35,906 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:06:35,907 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:06:35,907 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:06:35,908 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:06:35,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:06:35,909 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:06:35,909 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:06:35,910 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:06:35,910 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:06:35,911 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:06:35,911 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:06:35,912 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:06:35,912 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:06:35,913 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_665749fe-6c6b-48c0-ab23-ee9d8bb20019/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665749fe-6c6b-48c0-ab23-ee9d8bb20019/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6768dd66a63438b97c4000afe1975121b113cc0e56ca3e7c3bb97c4a3e086311 [2023-11-24 23:06:36,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:06:36,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:06:36,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:06:36,454 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:06:36,455 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:06:36,457 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665749fe-6c6b-48c0-ab23-ee9d8bb20019/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-11.i [2023-11-24 23:06:40,226 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:06:40,615 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:06:40,616 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665749fe-6c6b-48c0-ab23-ee9d8bb20019/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-11.i [2023-11-24 23:06:40,631 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665749fe-6c6b-48c0-ab23-ee9d8bb20019/bin/ukojak-verify-afCqCEvfdi/data/3f7aef442/ac4ca382bd6345708ad83c70898ae4c1/FLAGdd4131521 [2023-11-24 23:06:40,651 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665749fe-6c6b-48c0-ab23-ee9d8bb20019/bin/ukojak-verify-afCqCEvfdi/data/3f7aef442/ac4ca382bd6345708ad83c70898ae4c1 [2023-11-24 23:06:40,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:06:40,656 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:06:40,658 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:06:40,658 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:06:40,664 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:06:40,665 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:06:40" (1/1) ... [2023-11-24 23:06:40,667 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7751e37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:40, skipping insertion in model container [2023-11-24 23:06:40,667 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:06:40" (1/1) ... [2023-11-24 23:06:40,701 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:06:40,911 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_665749fe-6c6b-48c0-ab23-ee9d8bb20019/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-11.i[915,928] [2023-11-24 23:06:40,996 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:06:41,026 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:06:41,051 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_665749fe-6c6b-48c0-ab23-ee9d8bb20019/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-11.i[915,928] [2023-11-24 23:06:41,101 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:06:41,132 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:06:41,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:41 WrapperNode [2023-11-24 23:06:41,133 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:06:41,135 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:06:41,135 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:06:41,136 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:06:41,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:41" (1/1) ... [2023-11-24 23:06:41,175 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:41" (1/1) ... [2023-11-24 23:06:41,224 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2023-11-24 23:06:41,227 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:06:41,228 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:06:41,229 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:06:41,229 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:06:41,242 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:41" (1/1) ... [2023-11-24 23:06:41,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:41" (1/1) ... [2023-11-24 23:06:41,261 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:41" (1/1) ... [2023-11-24 23:06:41,272 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:41" (1/1) ... [2023-11-24 23:06:41,283 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:41" (1/1) ... [2023-11-24 23:06:41,303 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:41" (1/1) ... [2023-11-24 23:06:41,306 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:41" (1/1) ... [2023-11-24 23:06:41,308 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:41" (1/1) ... [2023-11-24 23:06:41,327 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:06:41,328 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:06:41,328 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:06:41,329 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:06:41,330 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:41" (1/1) ... [2023-11-24 23:06:41,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:06:41,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665749fe-6c6b-48c0-ab23-ee9d8bb20019/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:06:41,405 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665749fe-6c6b-48c0-ab23-ee9d8bb20019/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:06:41,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665749fe-6c6b-48c0-ab23-ee9d8bb20019/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:06:41,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:06:41,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:06:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:06:41,519 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:06:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:06:41,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:06:41,671 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:06:41,674 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:07:05,854 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:07:06,075 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:07:06,076 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:07:06,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:06 BoogieIcfgContainer [2023-11-24 23:07:06,078 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:07:06,079 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:07:06,080 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:07:06,090 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:07:06,090 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:06" (1/1) ... [2023-11-24 23:07:06,101 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:07:06,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:06,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 38 states and 57 transitions. [2023-11-24 23:07:06,164 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 57 transitions. [2023-11-24 23:07:06,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-24 23:07:06,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:06,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:07:06,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665749fe-6c6b-48c0-ab23-ee9d8bb20019/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:07:06,175 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665749fe-6c6b-48c0-ab23-ee9d8bb20019/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:07:06,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665749fe-6c6b-48c0-ab23-ee9d8bb20019/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:07:07,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:07,649 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:07:08,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:08,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-24 23:07:08,424 INFO L285 TraceCheckSpWp]: Computing forward predicates...