./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-42.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_b28296ac-c47f-4f40-a552-d3df0ad397dc/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28296ac-c47f-4f40-a552-d3df0ad397dc/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_b28296ac-c47f-4f40-a552-d3df0ad397dc/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28296ac-c47f-4f40-a552-d3df0ad397dc/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28296ac-c47f-4f40-a552-d3df0ad397dc/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_b28296ac-c47f-4f40-a552-d3df0ad397dc/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 384bac4055c502051af9511b4aacc64193ea24cf100027b947c84870f94aa671 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:51:07,334 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:51:07,426 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28296ac-c47f-4f40-a552-d3df0ad397dc/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:51:07,431 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:51:07,431 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:51:07,470 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:51:07,471 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:51:07,472 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:51:07,473 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:51:07,478 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:51:07,479 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:51:07,480 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:51:07,480 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:51:07,482 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:51:07,482 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:51:07,483 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:51:07,483 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:51:07,484 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:51:07,484 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:51:07,485 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:51:07,485 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:51:07,486 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:51:07,487 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:51:07,487 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:51:07,488 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:51:07,488 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:51:07,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:07,489 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:51:07,490 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:51:07,490 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:51:07,491 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:51:07,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:51:07,492 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:51:07,492 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28296ac-c47f-4f40-a552-d3df0ad397dc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28296ac-c47f-4f40-a552-d3df0ad397dc/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 384bac4055c502051af9511b4aacc64193ea24cf100027b947c84870f94aa671 [2023-11-24 22:51:07,789 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:51:07,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:51:07,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:51:07,826 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:51:07,826 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:51:07,828 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28296ac-c47f-4f40-a552-d3df0ad397dc/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-42.i [2023-11-24 22:51:10,957 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:51:11,237 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:51:11,238 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28296ac-c47f-4f40-a552-d3df0ad397dc/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-42.i [2023-11-24 22:51:11,249 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28296ac-c47f-4f40-a552-d3df0ad397dc/bin/ukojak-verify-afCqCEvfdi/data/c63de2402/efbd695ced644293b2f21d94d3a2e28c/FLAGc6f70a193 [2023-11-24 22:51:11,267 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28296ac-c47f-4f40-a552-d3df0ad397dc/bin/ukojak-verify-afCqCEvfdi/data/c63de2402/efbd695ced644293b2f21d94d3a2e28c [2023-11-24 22:51:11,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:51:11,275 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:51:11,280 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:11,281 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:51:11,286 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:51:11,287 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:11" (1/1) ... [2023-11-24 22:51:11,290 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b446016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:11, skipping insertion in model container [2023-11-24 22:51:11,290 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:11" (1/1) ... [2023-11-24 22:51:11,325 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:51:11,482 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_b28296ac-c47f-4f40-a552-d3df0ad397dc/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-42.i[916,929] [2023-11-24 22:51:11,523 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:11,535 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:51:11,553 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_b28296ac-c47f-4f40-a552-d3df0ad397dc/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-42.i[916,929] [2023-11-24 22:51:11,583 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:11,599 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:51:11,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:11 WrapperNode [2023-11-24 22:51:11,600 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:11,601 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:11,601 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:51:11,602 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:51:11,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:11" (1/1) ... [2023-11-24 22:51:11,619 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:11" (1/1) ... [2023-11-24 22:51:11,659 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 90 [2023-11-24 22:51:11,659 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:11,660 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:51:11,660 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:51:11,660 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:51:11,670 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:11" (1/1) ... [2023-11-24 22:51:11,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:11" (1/1) ... [2023-11-24 22:51:11,673 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:11" (1/1) ... [2023-11-24 22:51:11,674 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:11" (1/1) ... [2023-11-24 22:51:11,685 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:11" (1/1) ... [2023-11-24 22:51:11,689 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:11" (1/1) ... [2023-11-24 22:51:11,691 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:11" (1/1) ... [2023-11-24 22:51:11,693 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:11" (1/1) ... [2023-11-24 22:51:11,697 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:51:11,698 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:51:11,698 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:51:11,698 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:51:11,699 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:11" (1/1) ... [2023-11-24 22:51:11,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:11,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28296ac-c47f-4f40-a552-d3df0ad397dc/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:51:11,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28296ac-c47f-4f40-a552-d3df0ad397dc/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:51:11,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28296ac-c47f-4f40-a552-d3df0ad397dc/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:51:11,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:51:11,782 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:51:11,782 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:51:11,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:51:11,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:51:11,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:51:11,858 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:51:11,860 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:51:12,127 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:51:12,272 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:51:12,272 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:51:12,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:12 BoogieIcfgContainer [2023-11-24 22:51:12,274 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:51:12,275 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:51:12,275 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:51:12,286 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:51:12,286 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:12" (1/1) ... [2023-11-24 22:51:12,296 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:51:12,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:12,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2023-11-24 22:51:12,347 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2023-11-24 22:51:12,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 22:51:12,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:12,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:12,634 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:51:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:12,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:12,928 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:51:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:13,022 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:51:13,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:51:13 ImpRootNode [2023-11-24 22:51:13,073 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:51:13,074 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:51:13,074 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:51:13,074 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:51:13,075 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:12" (3/4) ... [2023-11-24 22:51:13,077 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:51:13,078 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:51:13,079 INFO L158 Benchmark]: Toolchain (without parser) took 1803.61ms. Allocated memory is still 155.2MB. Free memory was 115.8MB in the beginning and 105.0MB in the end (delta: 10.8MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2023-11-24 22:51:13,080 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 115.3MB. Free memory is still 66.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:51:13,080 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.03ms. Allocated memory is still 155.2MB. Free memory was 115.8MB in the beginning and 103.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:51:13,081 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.97ms. Allocated memory is still 155.2MB. Free memory was 103.2MB in the beginning and 100.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:51:13,081 INFO L158 Benchmark]: Boogie Preprocessor took 37.48ms. Allocated memory is still 155.2MB. Free memory was 100.6MB in the beginning and 99.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:51:13,082 INFO L158 Benchmark]: RCFGBuilder took 575.92ms. Allocated memory is still 155.2MB. Free memory was 99.1MB in the beginning and 77.4MB in the end (delta: 21.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-24 22:51:13,083 INFO L158 Benchmark]: CodeCheck took 798.06ms. Allocated memory is still 155.2MB. Free memory was 77.4MB in the beginning and 105.0MB in the end (delta: -27.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:51:13,083 INFO L158 Benchmark]: Witness Printer took 4.60ms. Allocated memory is still 155.2MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:51:13,086 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, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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, 46 NumberOfCodeBlocks, 46 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 to_int at line 37. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -1; [L23] unsigned char var_1_8 = 5; [L24] unsigned char var_1_9 = 4; [L25] signed long int var_1_10 = 16; [L26] signed long int var_1_11 = 127; [L27] unsigned char var_1_12 = 1; [L28] unsigned char var_1_13 = 0; [L29] unsigned char var_1_15 = 0; [L30] unsigned char var_1_16 = 0; [L31] unsigned char var_1_17 = 0; [L32] unsigned char var_1_18 = 0; [L87] isInitial = 1 [L88] FCALL initially() [L89] COND TRUE 1 [L90] FCALL updateLastVariables() [L91] CALL updateVariables() [L61] var_1_9 = __VERIFIER_nondet_uchar() [L62] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=127, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=127, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5] [L63] CALL assume_abort_if_not(var_1_9 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=127, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_9 <= 127) VAL [isInitial=1, var_1_10=16, var_1_11=127, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L64] var_1_11 = __VERIFIER_nondet_long() [L65] CALL assume_abort_if_not(var_1_11 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-2147483648, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_11 >= -2147483648) VAL [isInitial=1, var_1_10=16, var_1_11=-2147483648, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L66] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-2147483648, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, var_1_10=16, var_1_11=-2147483648, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L67] var_1_13 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-2147483648, var_1_12=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=-2147483648, var_1_12=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L69] CALL assume_abort_if_not(var_1_13 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-2147483648, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_13 <= 0) VAL [isInitial=1, var_1_10=16, var_1_11=-2147483648, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L70] var_1_15 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-2147483648, var_1_12=1, var_1_13=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=-2147483648, var_1_12=1, var_1_13=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L72] CALL assume_abort_if_not(var_1_15 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-2147483648, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_15 <= 0) VAL [isInitial=1, var_1_10=16, var_1_11=-2147483648, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L73] var_1_16 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-2147483648, var_1_12=1, var_1_13=0, var_1_15=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=-2147483648, var_1_12=1, var_1_13=0, var_1_15=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L75] CALL assume_abort_if_not(var_1_16 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-2147483648, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_16 <= 0) VAL [isInitial=1, var_1_10=16, var_1_11=-2147483648, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L76] var_1_18 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-2147483648, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=-2147483648, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L78] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-2147483648, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, var_1_10=16, var_1_11=-2147483648, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L91] RET updateVariables() [L92] CALL step() [L36] var_1_8 = (var_1_9 + 100) [L37] var_1_10 = ((((var_1_11) < (64.15f)) ? (var_1_11) : (64.15f))) [L38] COND FALSE !(var_1_8 > var_1_8) [L41] var_1_1 = (((((var_1_8 - var_1_8)) > ((var_1_8 - var_1_8))) ? ((var_1_8 - var_1_8)) : ((var_1_8 - var_1_8)))) [L43] COND TRUE var_1_11 <= var_1_10 [L44] COND TRUE var_1_1 != var_1_8 [L45] var_1_17 = var_1_18 [L54] COND TRUE (- var_1_10) > var_1_11 [L55] var_1_12 = (var_1_13 || (var_1_17 && (var_1_15 || var_1_16))) [L92] RET step() [L93] CALL, EXPR property() [L83-L84] return (((((var_1_8 > var_1_8) ? (var_1_1 == ((signed long int) (((((var_1_8) < (var_1_8)) ? (var_1_8) : (var_1_8))) - 10))) : (var_1_1 == ((signed long int) (((((var_1_8 - var_1_8)) > ((var_1_8 - var_1_8))) ? ((var_1_8 - var_1_8)) : ((var_1_8 - var_1_8))))))) && (var_1_8 == ((unsigned char) (var_1_9 + 100)))) && (var_1_10 == ((signed long int) ((((var_1_11) < (64.15f)) ? (var_1_11) : (64.15f)))))) && (((- var_1_10) > var_1_11) ? (var_1_12 == ((unsigned char) (var_1_13 || (var_1_17 && (var_1_15 || var_1_16))))) : (var_1_12 == ((unsigned char) ((var_1_1 <= var_1_9) && var_1_16))))) && ((var_1_11 <= var_1_10) ? ((var_1_1 != var_1_8) ? (var_1_17 == ((unsigned char) var_1_18)) : 1) : ((var_1_8 <= 1000000) ? (var_1_17 == ((unsigned char) 0)) : (var_1_17 == ((unsigned char) 0)))) ; [L93] RET, EXPR property() [L93] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=-2147483648, var_1_11=-2147483648, var_1_12=0, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=0, var_1_8=227, var_1_9=127] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=-2147483648, var_1_11=-2147483648, var_1_12=0, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=0, var_1_8=227, var_1_9=127] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 115.3MB. Free memory is still 66.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.03ms. Allocated memory is still 155.2MB. Free memory was 115.8MB in the beginning and 103.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.97ms. Allocated memory is still 155.2MB. Free memory was 103.2MB in the beginning and 100.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.48ms. Allocated memory is still 155.2MB. Free memory was 100.6MB in the beginning and 99.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 575.92ms. Allocated memory is still 155.2MB. Free memory was 99.1MB in the beginning and 77.4MB in the end (delta: 21.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 798.06ms. Allocated memory is still 155.2MB. Free memory was 77.4MB in the beginning and 105.0MB in the end (delta: -27.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.60ms. Allocated memory is still 155.2MB. Free memory is still 105.0MB. 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 22:51:13,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28296ac-c47f-4f40-a552-d3df0ad397dc/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_b28296ac-c47f-4f40-a552-d3df0ad397dc/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28296ac-c47f-4f40-a552-d3df0ad397dc/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_b28296ac-c47f-4f40-a552-d3df0ad397dc/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28296ac-c47f-4f40-a552-d3df0ad397dc/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28296ac-c47f-4f40-a552-d3df0ad397dc/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_b28296ac-c47f-4f40-a552-d3df0ad397dc/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 384bac4055c502051af9511b4aacc64193ea24cf100027b947c84870f94aa671 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:51:15,763 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:51:15,890 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28296ac-c47f-4f40-a552-d3df0ad397dc/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 22:51:15,938 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:51:15,940 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:51:15,941 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:51:15,942 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:51:15,943 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:51:15,944 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:51:15,949 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:51:15,950 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:51:15,950 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:51:15,951 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:51:15,952 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:51:15,953 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:51:15,953 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:51:15,954 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:51:15,954 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:51:15,955 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:51:15,956 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:51:15,956 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:51:15,957 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:51:15,958 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:51:15,958 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:51:15,959 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:51:15,959 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:51:15,959 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:51:15,960 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:51:15,960 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:15,961 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:51:15,962 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:51:15,963 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:51:15,963 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:51:15,964 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:51:15,964 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:51:15,964 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:51:15,965 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:51:15,965 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_b28296ac-c47f-4f40-a552-d3df0ad397dc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28296ac-c47f-4f40-a552-d3df0ad397dc/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 384bac4055c502051af9511b4aacc64193ea24cf100027b947c84870f94aa671 [2023-11-24 22:51:16,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:51:16,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:51:16,458 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:51:16,460 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:51:16,460 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:51:16,461 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28296ac-c47f-4f40-a552-d3df0ad397dc/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-42.i [2023-11-24 22:51:19,820 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:51:20,167 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:51:20,168 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28296ac-c47f-4f40-a552-d3df0ad397dc/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-42.i [2023-11-24 22:51:20,180 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28296ac-c47f-4f40-a552-d3df0ad397dc/bin/ukojak-verify-afCqCEvfdi/data/229488043/d1f9b3f681c54e50a50ad9f1e44a5a1e/FLAG6f94d2d19 [2023-11-24 22:51:20,200 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28296ac-c47f-4f40-a552-d3df0ad397dc/bin/ukojak-verify-afCqCEvfdi/data/229488043/d1f9b3f681c54e50a50ad9f1e44a5a1e [2023-11-24 22:51:20,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:51:20,207 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:51:20,211 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:20,211 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:51:20,216 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:51:20,217 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:20" (1/1) ... [2023-11-24 22:51:20,218 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ef064d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:20, skipping insertion in model container [2023-11-24 22:51:20,218 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:20" (1/1) ... [2023-11-24 22:51:20,257 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:51:20,441 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_b28296ac-c47f-4f40-a552-d3df0ad397dc/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-42.i[916,929] [2023-11-24 22:51:20,479 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:20,509 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:51:20,522 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_b28296ac-c47f-4f40-a552-d3df0ad397dc/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-42.i[916,929] [2023-11-24 22:51:20,545 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:20,565 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:51:20,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:20 WrapperNode [2023-11-24 22:51:20,566 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:20,567 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:20,567 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:51:20,567 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:51:20,575 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:20" (1/1) ... [2023-11-24 22:51:20,589 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:20" (1/1) ... [2023-11-24 22:51:20,631 INFO L138 Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 89 [2023-11-24 22:51:20,632 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:20,633 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:51:20,633 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:51:20,633 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:51:20,642 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:20" (1/1) ... [2023-11-24 22:51:20,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:20" (1/1) ... [2023-11-24 22:51:20,647 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:20" (1/1) ... [2023-11-24 22:51:20,648 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:20" (1/1) ... [2023-11-24 22:51:20,657 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:20" (1/1) ... [2023-11-24 22:51:20,661 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:20" (1/1) ... [2023-11-24 22:51:20,664 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:20" (1/1) ... [2023-11-24 22:51:20,665 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:20" (1/1) ... [2023-11-24 22:51:20,670 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:51:20,671 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:51:20,671 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:51:20,671 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:51:20,672 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:20" (1/1) ... [2023-11-24 22:51:20,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:20,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28296ac-c47f-4f40-a552-d3df0ad397dc/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:51:20,729 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28296ac-c47f-4f40-a552-d3df0ad397dc/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:51:20,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28296ac-c47f-4f40-a552-d3df0ad397dc/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:51:20,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:51:20,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:51:20,776 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:51:20,776 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:51:20,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:51:20,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:51:20,895 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:51:20,898 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:51:21,861 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:51:22,054 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:51:22,054 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:51:22,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:22 BoogieIcfgContainer [2023-11-24 22:51:22,056 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:51:22,057 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:51:22,057 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:51:22,067 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:51:22,067 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:22" (1/1) ... [2023-11-24 22:51:22,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:51:22,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:22,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2023-11-24 22:51:22,140 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2023-11-24 22:51:22,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 22:51:22,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:22,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:51:22,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28296ac-c47f-4f40-a552-d3df0ad397dc/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:51:22,154 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28296ac-c47f-4f40-a552-d3df0ad397dc/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:51:22,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28296ac-c47f-4f40-a552-d3df0ad397dc/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:51:22,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:22,489 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:51:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:22,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 22:51:22,950 INFO L285 TraceCheckSpWp]: Computing forward predicates...