./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-96.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_c45c3e19-9dbd-421f-a21b-1cf25faf1d3e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45c3e19-9dbd-421f-a21b-1cf25faf1d3e/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45c3e19-9dbd-421f-a21b-1cf25faf1d3e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45c3e19-9dbd-421f-a21b-1cf25faf1d3e/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-96.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45c3e19-9dbd-421f-a21b-1cf25faf1d3e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45c3e19-9dbd-421f-a21b-1cf25faf1d3e/bin/ukojak-verify-G8NBE6pJGL --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 5874a29868093144df67f3d9c006a000f3592329fa7366a6687deaedd0fc5b25 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:02:18,334 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:02:18,454 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45c3e19-9dbd-421f-a21b-1cf25faf1d3e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:02:18,459 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:02:18,460 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:02:18,488 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:02:18,489 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:02:18,490 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:02:18,491 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:02:18,491 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:02:18,492 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:02:18,493 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:02:18,494 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:02:18,494 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:02:18,495 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:02:18,496 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:02:18,496 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:02:18,497 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:02:18,498 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:02:18,499 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:02:18,499 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:02:18,500 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:02:18,501 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:02:18,501 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:02:18,502 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:02:18,503 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:02:18,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:02:18,504 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:02:18,505 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:02:18,505 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:02:18,506 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:02:18,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:02:18,507 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:02:18,507 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_c45c3e19-9dbd-421f-a21b-1cf25faf1d3e/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45c3e19-9dbd-421f-a21b-1cf25faf1d3e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5874a29868093144df67f3d9c006a000f3592329fa7366a6687deaedd0fc5b25 [2023-11-19 04:02:18,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:02:18,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:02:18,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:02:18,860 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:02:18,861 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:02:18,863 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45c3e19-9dbd-421f-a21b-1cf25faf1d3e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-96.i [2023-11-19 04:02:22,322 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:02:22,615 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:02:22,615 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45c3e19-9dbd-421f-a21b-1cf25faf1d3e/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-96.i [2023-11-19 04:02:22,626 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45c3e19-9dbd-421f-a21b-1cf25faf1d3e/bin/ukojak-verify-G8NBE6pJGL/data/cc6a5dcd7/757986f70bfb462ca8f6f03f7519f1b9/FLAGaef9b5743 [2023-11-19 04:02:22,646 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45c3e19-9dbd-421f-a21b-1cf25faf1d3e/bin/ukojak-verify-G8NBE6pJGL/data/cc6a5dcd7/757986f70bfb462ca8f6f03f7519f1b9 [2023-11-19 04:02:22,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:02:22,653 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:02:22,655 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:02:22,656 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:02:22,661 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:02:22,661 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:02:22" (1/1) ... [2023-11-19 04:02:22,663 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@114a5078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:22, skipping insertion in model container [2023-11-19 04:02:22,663 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:02:22" (1/1) ... [2023-11-19 04:02:22,691 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:02:22,837 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_c45c3e19-9dbd-421f-a21b-1cf25faf1d3e/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-96.i[917,930] [2023-11-19 04:02:22,892 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:02:22,903 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:02:22,916 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_c45c3e19-9dbd-421f-a21b-1cf25faf1d3e/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-96.i[917,930] [2023-11-19 04:02:22,938 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:02:22,955 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:02:22,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:22 WrapperNode [2023-11-19 04:02:22,955 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:02:22,957 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:02:22,957 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:02:22,957 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:02:22,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:22" (1/1) ... [2023-11-19 04:02:22,975 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:22" (1/1) ... [2023-11-19 04:02:23,029 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 111 [2023-11-19 04:02:23,030 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:02:23,030 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:02:23,031 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:02:23,031 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:02:23,040 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:22" (1/1) ... [2023-11-19 04:02:23,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:22" (1/1) ... [2023-11-19 04:02:23,043 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:22" (1/1) ... [2023-11-19 04:02:23,044 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:22" (1/1) ... [2023-11-19 04:02:23,052 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:22" (1/1) ... [2023-11-19 04:02:23,056 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:22" (1/1) ... [2023-11-19 04:02:23,058 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:22" (1/1) ... [2023-11-19 04:02:23,060 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:22" (1/1) ... [2023-11-19 04:02:23,064 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:02:23,065 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:02:23,065 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:02:23,065 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:02:23,066 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:22" (1/1) ... [2023-11-19 04:02:23,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:02:23,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45c3e19-9dbd-421f-a21b-1cf25faf1d3e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:02:23,101 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45c3e19-9dbd-421f-a21b-1cf25faf1d3e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:02:23,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45c3e19-9dbd-421f-a21b-1cf25faf1d3e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:02:23,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:02:23,169 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:02:23,170 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:02:23,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:02:23,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:02:23,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:02:23,298 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:02:23,300 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:02:23,625 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:02:23,857 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:02:23,857 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:02:23,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:23 BoogieIcfgContainer [2023-11-19 04:02:23,863 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:02:23,864 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:02:23,864 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:02:23,873 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:02:23,873 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:23" (1/1) ... [2023-11-19 04:02:23,882 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:02:23,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:23,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 34 states and 50 transitions. [2023-11-19 04:02:23,947 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 50 transitions. [2023-11-19 04:02:23,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 04:02:23,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:23,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:24,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:02:24,390 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:02:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:02:24,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:02:24,673 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:02:24,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:02:24,771 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 04:02:24,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:02:24 ImpRootNode [2023-11-19 04:02:24,844 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:02:24,844 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:02:24,845 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:02:24,845 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:02:24,846 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:23" (3/4) ... [2023-11-19 04:02:24,848 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:02:24,849 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:02:24,851 INFO L158 Benchmark]: Toolchain (without parser) took 2197.13ms. Allocated memory is still 155.2MB. Free memory was 123.9MB in the beginning and 93.7MB in the end (delta: 30.2MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2023-11-19 04:02:24,851 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 121.6MB. Free memory was 80.1MB in the beginning and 80.0MB in the end (delta: 76.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:02:24,852 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.00ms. Allocated memory is still 155.2MB. Free memory was 123.5MB in the beginning and 111.3MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:02:24,853 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.21ms. Allocated memory is still 155.2MB. Free memory was 111.3MB in the beginning and 108.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:02:24,854 INFO L158 Benchmark]: Boogie Preprocessor took 33.55ms. Allocated memory is still 155.2MB. Free memory was 108.4MB in the beginning and 106.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:02:24,855 INFO L158 Benchmark]: RCFGBuilder took 798.84ms. Allocated memory is still 155.2MB. Free memory was 106.7MB in the beginning and 78.6MB in the end (delta: 28.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 04:02:24,856 INFO L158 Benchmark]: CodeCheck took 979.45ms. Allocated memory is still 155.2MB. Free memory was 78.6MB in the beginning and 94.7MB in the end (delta: -16.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:02:24,856 INFO L158 Benchmark]: Witness Printer took 5.27ms. Allocated memory is still 155.2MB. Free memory was 94.7MB in the beginning and 93.7MB in the end (delta: 955.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:02:24,861 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, 34 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 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 98, overapproximation of someBinaryFLOATComparisonOperation at line 98, overapproximation of someBinaryArithmeticDOUBLEoperation at line 61. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 8; [L23] unsigned char var_1_2 = 0; [L24] unsigned short int var_1_3 = 8; [L25] unsigned short int var_1_4 = 1000; [L26] unsigned char var_1_5 = 1; [L27] unsigned char var_1_6 = 0; [L28] unsigned char var_1_9 = 0; [L29] unsigned char var_1_10 = 0; [L30] double var_1_11 = 4.575; [L31] double var_1_13 = 2.75; [L32] double var_1_14 = 128.5; [L33] signed long int var_1_15 = -1000000000; [L34] float var_1_16 = 99999.25; [L35] signed char var_1_17 = 1; [L36] signed char var_1_18 = 50; [L37] unsigned char last_1_var_1_5 = 1; [L102] isInitial = 1 [L103] FCALL initially() [L104] COND TRUE 1 [L105] CALL updateLastVariables() [L95] last_1_var_1_5 = var_1_5 [L105] RET updateLastVariables() [L106] CALL updateVariables() [L68] var_1_2 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_3=8, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_9=0] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_3=8, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_9=0] [L70] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=1, var_1_3=8, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_9=0] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=1, var_1_3=8, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_9=0] [L71] var_1_3 = __VERIFIER_nondet_ushort() [L72] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_9=0] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_9=0] [L73] CALL assume_abort_if_not(var_1_3 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_9=0] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_3 <= 65534) VAL [isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_9=0] [L74] var_1_4 = __VERIFIER_nondet_ushort() [L75] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_9=0] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_9=0] [L76] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_9=0] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_9=0] [L77] var_1_6 = __VERIFIER_nondet_uchar() [L78] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=1, var_1_9=0] [L79] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=1, var_1_9=0] [L80] var_1_9 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=1, var_1_9=0] [L82] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=1, var_1_9=0] [L83] var_1_10 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10=1, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, last_1_var_1_5=1, var_1_10=1, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=1, var_1_9=0] [L85] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10=1, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_5=1, var_1_10=1, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=1, var_1_9=0] [L86] var_1_13 = __VERIFIER_nondet_double() [L87] CALL assume_abort_if_not((var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10=1, var_1_11=183/40, var_1_13=2, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not((var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_5=1, var_1_10=1, var_1_11=183/40, var_1_13=2, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=1, var_1_9=0] [L88] var_1_14 = __VERIFIER_nondet_double() [L89] CALL assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10=1, var_1_11=183/40, var_1_13=2, var_1_14=3, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_5=1, var_1_10=1, var_1_11=183/40, var_1_13=2, var_1_14=3, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=1, var_1_9=0] [L90] var_1_18 = __VERIFIER_nondet_char() [L91] CALL assume_abort_if_not(var_1_18 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10=1, var_1_11=183/40, var_1_13=2, var_1_14=3, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=-127, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_18 >= -127) VAL [isInitial=1, last_1_var_1_5=1, var_1_10=1, var_1_11=183/40, var_1_13=2, var_1_14=3, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=-127, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=1, var_1_9=0] [L92] CALL assume_abort_if_not(var_1_18 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10=1, var_1_11=183/40, var_1_13=2, var_1_14=3, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=-127, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_18 <= 126) VAL [isInitial=1, last_1_var_1_5=1, var_1_10=1, var_1_11=183/40, var_1_13=2, var_1_14=3, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=-127, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=1, var_1_9=0] [L106] RET updateVariables() [L107] CALL step() [L41] COND FALSE !(! last_1_var_1_5) [L44] var_1_1 = var_1_4 [L46] unsigned char stepLocal_0 = var_1_6; [L47] COND TRUE \read(var_1_2) [L48] COND TRUE stepLocal_0 && ((var_1_3 >= 16) || last_1_var_1_5) [L49] COND TRUE \read(var_1_6) [L50] var_1_5 = ((var_1_1 < var_1_1) && var_1_9) [L56] var_1_15 = var_1_1 [L57] var_1_16 = var_1_13 [L58] var_1_17 = var_1_18 [L59] COND FALSE !(((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))) > var_1_15) [L107] RET step() [L108] CALL, EXPR property() [L98-L99] return ((((((! last_1_var_1_5) ? (var_1_1 == ((unsigned short int) ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) : (var_1_1 == ((unsigned short int) var_1_4))) && (var_1_2 ? ((var_1_6 && ((var_1_3 >= 16) || last_1_var_1_5)) ? (var_1_6 ? (var_1_5 == ((unsigned char) ((var_1_1 < var_1_1) && var_1_9))) : (var_1_5 == ((unsigned char) var_1_10))) : 1) : 1)) && ((((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))) > var_1_15) ? (((var_1_15 / -5) >= ((var_1_4 + var_1_15) - ((((var_1_1) < (var_1_3)) ? (var_1_1) : (var_1_3))))) ? (var_1_11 == ((double) (var_1_13 + var_1_14))) : (var_1_11 == ((double) var_1_14))) : 1)) && (var_1_15 == ((signed long int) var_1_1))) && (var_1_16 == ((float) var_1_13))) && (var_1_17 == ((signed char) var_1_18)) ; [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_5=1, var_1_10=1, var_1_11=183/40, var_1_13=2, var_1_14=3, var_1_15=1, var_1_16=2, var_1_17=-127, var_1_18=-127, var_1_1=1, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=1, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_5=1, var_1_10=1, var_1_11=183/40, var_1_13=2, var_1_14=3, var_1_15=1, var_1_16=2, var_1_17=-127, var_1_18=-127, var_1_1=1, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=1, var_1_9=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 121.6MB. Free memory was 80.1MB in the beginning and 80.0MB in the end (delta: 76.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.00ms. Allocated memory is still 155.2MB. Free memory was 123.5MB in the beginning and 111.3MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.21ms. Allocated memory is still 155.2MB. Free memory was 111.3MB in the beginning and 108.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.55ms. Allocated memory is still 155.2MB. Free memory was 108.4MB in the beginning and 106.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 798.84ms. Allocated memory is still 155.2MB. Free memory was 106.7MB in the beginning and 78.6MB in the end (delta: 28.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * CodeCheck took 979.45ms. Allocated memory is still 155.2MB. Free memory was 78.6MB in the beginning and 94.7MB in the end (delta: -16.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.27ms. Allocated memory is still 155.2MB. Free memory was 94.7MB in the beginning and 93.7MB in the end (delta: 955.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 04:02:24,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45c3e19-9dbd-421f-a21b-1cf25faf1d3e/bin/ukojak-verify-G8NBE6pJGL/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45c3e19-9dbd-421f-a21b-1cf25faf1d3e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45c3e19-9dbd-421f-a21b-1cf25faf1d3e/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45c3e19-9dbd-421f-a21b-1cf25faf1d3e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45c3e19-9dbd-421f-a21b-1cf25faf1d3e/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-96.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45c3e19-9dbd-421f-a21b-1cf25faf1d3e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45c3e19-9dbd-421f-a21b-1cf25faf1d3e/bin/ukojak-verify-G8NBE6pJGL --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 5874a29868093144df67f3d9c006a000f3592329fa7366a6687deaedd0fc5b25 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:02:28,048 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:02:28,228 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45c3e19-9dbd-421f-a21b-1cf25faf1d3e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 04:02:28,293 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:02:28,294 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:02:28,295 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:02:28,297 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:02:28,297 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:02:28,299 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:02:28,305 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:02:28,306 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:02:28,306 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:02:28,307 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:02:28,309 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:02:28,309 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:02:28,310 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:02:28,311 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:02:28,311 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:02:28,312 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:02:28,313 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:02:28,314 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:02:28,314 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:02:28,315 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:02:28,316 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:02:28,316 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:02:28,317 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:02:28,317 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:02:28,318 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:02:28,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:02:28,319 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:02:28,321 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:02:28,321 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:02:28,322 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:02:28,322 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:02:28,323 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:02:28,323 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:02:28,323 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:02:28,324 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_c45c3e19-9dbd-421f-a21b-1cf25faf1d3e/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45c3e19-9dbd-421f-a21b-1cf25faf1d3e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5874a29868093144df67f3d9c006a000f3592329fa7366a6687deaedd0fc5b25 [2023-11-19 04:02:28,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:02:28,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:02:28,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:02:28,858 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:02:28,859 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:02:28,860 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45c3e19-9dbd-421f-a21b-1cf25faf1d3e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-96.i [2023-11-19 04:02:32,149 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:02:32,473 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:02:32,474 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45c3e19-9dbd-421f-a21b-1cf25faf1d3e/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-96.i [2023-11-19 04:02:32,482 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45c3e19-9dbd-421f-a21b-1cf25faf1d3e/bin/ukojak-verify-G8NBE6pJGL/data/46b22c9ed/3ac9de651eb540a0829c63ff65f0f0fe/FLAG765e2cf95 [2023-11-19 04:02:32,496 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45c3e19-9dbd-421f-a21b-1cf25faf1d3e/bin/ukojak-verify-G8NBE6pJGL/data/46b22c9ed/3ac9de651eb540a0829c63ff65f0f0fe [2023-11-19 04:02:32,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:02:32,499 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:02:32,501 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:02:32,501 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:02:32,505 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:02:32,506 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:02:32" (1/1) ... [2023-11-19 04:02:32,507 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74d87e5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:32, skipping insertion in model container [2023-11-19 04:02:32,508 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:02:32" (1/1) ... [2023-11-19 04:02:32,536 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:02:32,720 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_c45c3e19-9dbd-421f-a21b-1cf25faf1d3e/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-96.i[917,930] [2023-11-19 04:02:32,800 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:02:32,821 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:02:32,840 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_c45c3e19-9dbd-421f-a21b-1cf25faf1d3e/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-96.i[917,930] [2023-11-19 04:02:32,874 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:02:32,898 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:02:32,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:32 WrapperNode [2023-11-19 04:02:32,899 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:02:32,900 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:02:32,901 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:02:32,901 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:02:32,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:32" (1/1) ... [2023-11-19 04:02:32,938 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:32" (1/1) ... [2023-11-19 04:02:32,982 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 110 [2023-11-19 04:02:32,982 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:02:32,985 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:02:32,985 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:02:32,985 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:02:32,995 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:32" (1/1) ... [2023-11-19 04:02:32,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:32" (1/1) ... [2023-11-19 04:02:33,018 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:32" (1/1) ... [2023-11-19 04:02:33,018 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:32" (1/1) ... [2023-11-19 04:02:33,028 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:32" (1/1) ... [2023-11-19 04:02:33,039 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:32" (1/1) ... [2023-11-19 04:02:33,041 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:32" (1/1) ... [2023-11-19 04:02:33,043 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:32" (1/1) ... [2023-11-19 04:02:33,047 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:02:33,048 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:02:33,049 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:02:33,049 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:02:33,050 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:32" (1/1) ... [2023-11-19 04:02:33,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:02:33,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45c3e19-9dbd-421f-a21b-1cf25faf1d3e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:02:33,093 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45c3e19-9dbd-421f-a21b-1cf25faf1d3e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:02:33,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45c3e19-9dbd-421f-a21b-1cf25faf1d3e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:02:33,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:02:33,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:02:33,142 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:02:33,142 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:02:33,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:02:33,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:02:33,286 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:02:33,289 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:02:35,087 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:02:35,240 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:02:35,248 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:02:35,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:35 BoogieIcfgContainer [2023-11-19 04:02:35,254 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:02:35,255 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:02:35,255 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:02:35,265 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:02:35,269 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:35" (1/1) ... [2023-11-19 04:02:35,280 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:02:35,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:35,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 34 states and 50 transitions. [2023-11-19 04:02:35,349 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 50 transitions. [2023-11-19 04:02:35,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 04:02:35,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:35,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:02:35,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45c3e19-9dbd-421f-a21b-1cf25faf1d3e/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:02:35,388 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45c3e19-9dbd-421f-a21b-1cf25faf1d3e/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:02:35,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45c3e19-9dbd-421f-a21b-1cf25faf1d3e/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 04:02:36,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:36,108 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:02:37,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:37,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 04:02:37,232 INFO L285 TraceCheckSpWp]: Computing forward predicates...