./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-0.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_b3e7e8db-8b87-4d05-832c-7d2abfed2fa0/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e7e8db-8b87-4d05-832c-7d2abfed2fa0/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_b3e7e8db-8b87-4d05-832c-7d2abfed2fa0/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e7e8db-8b87-4d05-832c-7d2abfed2fa0/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e7e8db-8b87-4d05-832c-7d2abfed2fa0/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_b3e7e8db-8b87-4d05-832c-7d2abfed2fa0/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 aa2d3a4d32419b470c0361de47444a015c2912d90722971545568c67ebc1d3c0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:07:15,549 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:07:15,683 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e7e8db-8b87-4d05-832c-7d2abfed2fa0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:07:15,694 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:07:15,695 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:07:15,737 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:07:15,739 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:07:15,740 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:07:15,741 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:07:15,747 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:07:15,747 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:07:15,748 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:07:15,748 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:07:15,750 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:07:15,751 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:07:15,751 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:07:15,752 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:07:15,752 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:07:15,753 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:07:15,753 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:07:15,754 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:07:15,755 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:07:15,755 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:07:15,756 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:07:15,756 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:07:15,757 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:07:15,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:15,758 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:07:15,759 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:07:15,759 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:07:15,760 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:07:15,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:07:15,761 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:07:15,761 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_b3e7e8db-8b87-4d05-832c-7d2abfed2fa0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e7e8db-8b87-4d05-832c-7d2abfed2fa0/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa2d3a4d32419b470c0361de47444a015c2912d90722971545568c67ebc1d3c0 [2023-11-19 04:07:16,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:07:16,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:07:16,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:07:16,055 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:07:16,055 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:07:16,057 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e7e8db-8b87-4d05-832c-7d2abfed2fa0/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-0.i [2023-11-19 04:07:19,116 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:07:19,341 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:07:19,342 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e7e8db-8b87-4d05-832c-7d2abfed2fa0/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-0.i [2023-11-19 04:07:19,351 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e7e8db-8b87-4d05-832c-7d2abfed2fa0/bin/ukojak-verify-G8NBE6pJGL/data/7b59d7d40/e25fd53df23d440fb3cd699a0926bdcc/FLAG28db24c46 [2023-11-19 04:07:19,367 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e7e8db-8b87-4d05-832c-7d2abfed2fa0/bin/ukojak-verify-G8NBE6pJGL/data/7b59d7d40/e25fd53df23d440fb3cd699a0926bdcc [2023-11-19 04:07:19,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:07:19,372 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:07:19,373 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:19,373 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:07:19,378 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:07:19,379 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:19" (1/1) ... [2023-11-19 04:07:19,380 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@480b03e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:19, skipping insertion in model container [2023-11-19 04:07:19,381 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:19" (1/1) ... [2023-11-19 04:07:19,423 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:07:19,574 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_b3e7e8db-8b87-4d05-832c-7d2abfed2fa0/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-0.i[916,929] [2023-11-19 04:07:19,622 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:19,634 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:07:19,645 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_b3e7e8db-8b87-4d05-832c-7d2abfed2fa0/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-0.i[916,929] [2023-11-19 04:07:19,664 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:19,682 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:07:19,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:19 WrapperNode [2023-11-19 04:07:19,683 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:19,684 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:19,684 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:07:19,684 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:07:19,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:19" (1/1) ... [2023-11-19 04:07:19,712 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:19" (1/1) ... [2023-11-19 04:07:19,742 INFO L138 Inliner]: procedures = 26, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 89 [2023-11-19 04:07:19,743 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:19,744 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:07:19,744 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:07:19,744 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:07:19,753 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:19" (1/1) ... [2023-11-19 04:07:19,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:19" (1/1) ... [2023-11-19 04:07:19,756 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:19" (1/1) ... [2023-11-19 04:07:19,757 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:19" (1/1) ... [2023-11-19 04:07:19,764 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:19" (1/1) ... [2023-11-19 04:07:19,768 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:19" (1/1) ... [2023-11-19 04:07:19,771 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:19" (1/1) ... [2023-11-19 04:07:19,773 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:19" (1/1) ... [2023-11-19 04:07:19,776 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:07:19,777 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:07:19,777 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:07:19,777 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:07:19,778 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:19" (1/1) ... [2023-11-19 04:07:19,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:19,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e7e8db-8b87-4d05-832c-7d2abfed2fa0/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:07:19,818 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e7e8db-8b87-4d05-832c-7d2abfed2fa0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:07:19,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e7e8db-8b87-4d05-832c-7d2abfed2fa0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:07:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:07:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:07:19,865 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:07:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:07:19,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:07:19,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:07:19,940 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:07:19,942 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:07:20,213 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:07:20,384 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:07:20,384 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:07:20,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:20 BoogieIcfgContainer [2023-11-19 04:07:20,392 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:07:20,393 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:07:20,393 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:07:20,408 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:07:20,409 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:20" (1/1) ... [2023-11-19 04:07:20,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:07:20,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:20,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2023-11-19 04:07:20,479 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2023-11-19 04:07:20,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 04:07:20,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:20,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:07:20,744 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:07:20,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:07:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:07:21,030 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:07:21,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:07:21,103 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 04:07:21,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:07:21 ImpRootNode [2023-11-19 04:07:21,185 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:07:21,186 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:07:21,186 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:07:21,187 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:07:21,191 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:20" (3/4) ... [2023-11-19 04:07:21,196 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:07:21,198 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:07:21,199 INFO L158 Benchmark]: Toolchain (without parser) took 1826.98ms. Allocated memory was 134.2MB in the beginning and 182.5MB in the end (delta: 48.2MB). Free memory was 88.7MB in the beginning and 113.3MB in the end (delta: -24.6MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2023-11-19 04:07:21,201 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 134.2MB. Free memory was 82.3MB in the beginning and 82.1MB in the end (delta: 136.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:07:21,202 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.04ms. Allocated memory is still 134.2MB. Free memory was 88.5MB in the beginning and 76.6MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:07:21,204 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.15ms. Allocated memory is still 134.2MB. Free memory was 76.6MB in the beginning and 74.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:07:21,204 INFO L158 Benchmark]: Boogie Preprocessor took 32.29ms. Allocated memory is still 134.2MB. Free memory was 74.3MB in the beginning and 72.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:07:21,206 INFO L158 Benchmark]: RCFGBuilder took 615.25ms. Allocated memory was 134.2MB in the beginning and 182.5MB in the end (delta: 48.2MB). Free memory was 72.9MB in the beginning and 139.2MB in the end (delta: -66.3MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2023-11-19 04:07:21,207 INFO L158 Benchmark]: CodeCheck took 792.59ms. Allocated memory is still 182.5MB. Free memory was 139.2MB in the beginning and 114.0MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 04:07:21,207 INFO L158 Benchmark]: Witness Printer took 11.67ms. Allocated memory is still 182.5MB. Free memory was 114.0MB in the beginning and 113.3MB in the end (delta: 737.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:07:21,219 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, 22 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, 33 NumberOfCodeBlocks, 33 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 38, overapproximation of someBinaryArithmeticDOUBLEoperation at line 48. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 25.8; [L23] unsigned char var_1_2 = 1; [L24] double var_1_3 = 128.2; [L25] double var_1_4 = 15.4; [L26] double var_1_5 = 5.25; [L27] unsigned char var_1_9 = 1; [L28] unsigned char var_1_10 = 100; [L29] unsigned char var_1_12 = 1; [L30] unsigned short int var_1_13 = 5; [L31] double last_1_var_1_5 = 5.25; [L32] unsigned char last_1_var_1_10 = 100; [L33] unsigned short int last_1_var_1_13 = 5; [L93] isInitial = 1 [L94] FCALL initially() [L95] COND TRUE 1 [L96] CALL updateLastVariables() [L84] last_1_var_1_5 = var_1_5 [L85] last_1_var_1_10 = var_1_10 [L86] last_1_var_1_13 = var_1_13 [L96] RET updateLastVariables() [L97] CALL updateVariables() [L69] var_1_2 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_3=641/5, var_1_4=77/5, var_1_5=21/4, var_1_9=1] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_3=641/5, var_1_4=77/5, var_1_5=21/4, var_1_9=1] [L71] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=1, var_1_3=641/5, var_1_4=77/5, var_1_5=21/4, var_1_9=1] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=1, var_1_3=641/5, var_1_4=77/5, var_1_5=21/4, var_1_9=1] [L72] var_1_3 = __VERIFIER_nondet_double() [L73] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=1, var_1_3=21/4, var_1_4=77/5, var_1_5=21/4, var_1_9=1] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=1, var_1_3=21/4, var_1_4=77/5, var_1_5=21/4, var_1_9=1] [L74] var_1_4 = __VERIFIER_nondet_double() [L75] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=1, var_1_3=21/4, var_1_4=2, var_1_5=21/4, var_1_9=1] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=1, var_1_3=21/4, var_1_4=2, var_1_5=21/4, var_1_9=1] [L76] var_1_9 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=1, var_1_3=21/4, var_1_4=2, var_1_5=21/4, var_1_9=0] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=1, var_1_3=21/4, var_1_4=2, var_1_5=21/4, var_1_9=0] [L78] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=1, var_1_3=21/4, var_1_4=2, var_1_5=21/4, var_1_9=0] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=1, var_1_3=21/4, var_1_4=2, var_1_5=21/4, var_1_9=0] [L79] var_1_12 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=0, var_1_13=5, var_1_1=129/5, var_1_2=1, var_1_3=21/4, var_1_4=2, var_1_5=21/4, var_1_9=0] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=0, var_1_13=5, var_1_1=129/5, var_1_2=1, var_1_3=21/4, var_1_4=2, var_1_5=21/4, var_1_9=0] [L81] CALL assume_abort_if_not(var_1_12 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=0, var_1_13=5, var_1_1=129/5, var_1_2=1, var_1_3=21/4, var_1_4=2, var_1_5=21/4, var_1_9=0] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_12 <= 254) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=0, var_1_13=5, var_1_1=129/5, var_1_2=1, var_1_3=21/4, var_1_4=2, var_1_5=21/4, var_1_9=0] [L97] RET updateVariables() [L98] CALL step() [L37] COND FALSE !(\read(var_1_9)) [L42] COND FALSE !((last_1_var_1_13 + last_1_var_1_13) < last_1_var_1_13) [L47] COND FALSE !(! var_1_2) [L50] var_1_1 = ((((16.2) < (var_1_3)) ? (16.2) : (var_1_3))) [L52] COND TRUE (var_1_3 + (var_1_4 + var_1_1)) != var_1_1 [L53] COND TRUE \read(var_1_2) [L54] COND TRUE (- var_1_13) <= var_1_10 [L55] COND FALSE !(\read(var_1_9)) [L98] RET step() [L99] CALL, EXPR property() [L89-L90] return ((((! var_1_2) ? (var_1_1 == ((double) (var_1_3 - var_1_4))) : (var_1_1 == ((double) ((((16.2) < (var_1_3)) ? (16.2) : (var_1_3)))))) && (((var_1_3 + (var_1_4 + var_1_1)) != var_1_1) ? (var_1_2 ? (((- var_1_13) <= var_1_10) ? (var_1_9 ? (var_1_5 == ((double) var_1_4)) : 1) : (var_1_5 == ((double) var_1_3))) : (var_1_5 == ((double) var_1_3))) : (var_1_5 == ((double) var_1_3)))) && (((last_1_var_1_13 + last_1_var_1_13) < last_1_var_1_13) ? ((last_1_var_1_13 > last_1_var_1_13) ? (var_1_10 == ((unsigned char) var_1_12)) : 1) : 1)) && (var_1_9 ? (((var_1_4 * (var_1_3 - 5.3)) <= last_1_var_1_5) ? (var_1_13 == ((unsigned short int) last_1_var_1_10)) : 1) : 1) ; [L99] RET, EXPR property() [L99] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=0, var_1_13=5, var_1_1=81/5, var_1_2=1, var_1_3=21/4, var_1_4=2, var_1_5=21/4, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=0, var_1_13=5, var_1_1=81/5, var_1_2=1, var_1_3=21/4, var_1_4=2, var_1_5=21/4, var_1_9=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 134.2MB. Free memory was 82.3MB in the beginning and 82.1MB in the end (delta: 136.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.04ms. Allocated memory is still 134.2MB. Free memory was 88.5MB in the beginning and 76.6MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.15ms. Allocated memory is still 134.2MB. Free memory was 76.6MB in the beginning and 74.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.29ms. Allocated memory is still 134.2MB. Free memory was 74.3MB in the beginning and 72.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 615.25ms. Allocated memory was 134.2MB in the beginning and 182.5MB in the end (delta: 48.2MB). Free memory was 72.9MB in the beginning and 139.2MB in the end (delta: -66.3MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * CodeCheck took 792.59ms. Allocated memory is still 182.5MB. Free memory was 139.2MB in the beginning and 114.0MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 11.67ms. Allocated memory is still 182.5MB. Free memory was 114.0MB in the beginning and 113.3MB in the end (delta: 737.5kB). 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 04:07:21,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e7e8db-8b87-4d05-832c-7d2abfed2fa0/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_b3e7e8db-8b87-4d05-832c-7d2abfed2fa0/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e7e8db-8b87-4d05-832c-7d2abfed2fa0/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_b3e7e8db-8b87-4d05-832c-7d2abfed2fa0/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e7e8db-8b87-4d05-832c-7d2abfed2fa0/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e7e8db-8b87-4d05-832c-7d2abfed2fa0/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_b3e7e8db-8b87-4d05-832c-7d2abfed2fa0/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 aa2d3a4d32419b470c0361de47444a015c2912d90722971545568c67ebc1d3c0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:07:23,958 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:07:24,089 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e7e8db-8b87-4d05-832c-7d2abfed2fa0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 04:07:24,159 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:07:24,160 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:07:24,161 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:07:24,162 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:07:24,162 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:07:24,164 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:07:24,169 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:07:24,170 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:07:24,170 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:07:24,171 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:07:24,172 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:07:24,173 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:07:24,173 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:07:24,174 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:07:24,174 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:07:24,175 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:07:24,176 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:07:24,176 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:07:24,177 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:07:24,177 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:07:24,178 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:07:24,178 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:07:24,179 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:07:24,179 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:07:24,180 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:07:24,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:24,181 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:07:24,182 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:07:24,182 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:07:24,183 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:07:24,183 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:07:24,183 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:07:24,184 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:07:24,184 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:07:24,184 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_b3e7e8db-8b87-4d05-832c-7d2abfed2fa0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e7e8db-8b87-4d05-832c-7d2abfed2fa0/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa2d3a4d32419b470c0361de47444a015c2912d90722971545568c67ebc1d3c0 [2023-11-19 04:07:24,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:07:24,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:07:24,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:07:24,657 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:07:24,658 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:07:24,660 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e7e8db-8b87-4d05-832c-7d2abfed2fa0/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-0.i [2023-11-19 04:07:27,854 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:07:28,173 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:07:28,174 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e7e8db-8b87-4d05-832c-7d2abfed2fa0/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-0.i [2023-11-19 04:07:28,183 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e7e8db-8b87-4d05-832c-7d2abfed2fa0/bin/ukojak-verify-G8NBE6pJGL/data/1b07875ce/e3d0ff97c2894b9d9035c5b8471ccc0e/FLAG3fc9349ce [2023-11-19 04:07:28,200 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e7e8db-8b87-4d05-832c-7d2abfed2fa0/bin/ukojak-verify-G8NBE6pJGL/data/1b07875ce/e3d0ff97c2894b9d9035c5b8471ccc0e [2023-11-19 04:07:28,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:07:28,204 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:07:28,206 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:28,206 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:07:28,210 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:07:28,211 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:28" (1/1) ... [2023-11-19 04:07:28,213 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5549f22d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:28, skipping insertion in model container [2023-11-19 04:07:28,213 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:28" (1/1) ... [2023-11-19 04:07:28,252 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:07:28,467 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_b3e7e8db-8b87-4d05-832c-7d2abfed2fa0/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-0.i[916,929] [2023-11-19 04:07:28,537 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:28,566 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:07:28,588 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_b3e7e8db-8b87-4d05-832c-7d2abfed2fa0/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-0.i[916,929] [2023-11-19 04:07:28,629 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:28,655 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:07:28,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:28 WrapperNode [2023-11-19 04:07:28,656 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:28,658 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:28,659 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:07:28,659 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:07:28,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:28" (1/1) ... [2023-11-19 04:07:28,698 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:28" (1/1) ... [2023-11-19 04:07:28,744 INFO L138 Inliner]: procedures = 27, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 89 [2023-11-19 04:07:28,745 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:28,745 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:07:28,746 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:07:28,746 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:07:28,760 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:28" (1/1) ... [2023-11-19 04:07:28,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:28" (1/1) ... [2023-11-19 04:07:28,774 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:28" (1/1) ... [2023-11-19 04:07:28,775 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:28" (1/1) ... [2023-11-19 04:07:28,793 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:28" (1/1) ... [2023-11-19 04:07:28,797 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:28" (1/1) ... [2023-11-19 04:07:28,810 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:28" (1/1) ... [2023-11-19 04:07:28,812 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:28" (1/1) ... [2023-11-19 04:07:28,816 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:07:28,817 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:07:28,817 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:07:28,817 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:07:28,818 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:28" (1/1) ... [2023-11-19 04:07:28,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:28,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e7e8db-8b87-4d05-832c-7d2abfed2fa0/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:07:28,877 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e7e8db-8b87-4d05-832c-7d2abfed2fa0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:07:28,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e7e8db-8b87-4d05-832c-7d2abfed2fa0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:07:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:07:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:07:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:07:28,930 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:07:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:07:28,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:07:29,062 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:07:29,064 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:07:59,223 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:07:59,350 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:07:59,351 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:07:59,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:59 BoogieIcfgContainer [2023-11-19 04:07:59,357 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:07:59,358 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:07:59,358 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:07:59,371 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:07:59,372 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:59" (1/1) ... [2023-11-19 04:07:59,384 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:07:59,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:59,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2023-11-19 04:07:59,457 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2023-11-19 04:07:59,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 04:07:59,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:59,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:07:59,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e7e8db-8b87-4d05-832c-7d2abfed2fa0/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:07:59,470 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e7e8db-8b87-4d05-832c-7d2abfed2fa0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:07:59,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e7e8db-8b87-4d05-832c-7d2abfed2fa0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 04:08:01,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:01,212 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:08:07,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:07,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 04:08:07,363 INFO L285 TraceCheckSpWp]: Computing forward predicates...