./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-51.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab6330c-9875-46f9-966e-4dfb32e39dc5/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab6330c-9875-46f9-966e-4dfb32e39dc5/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab6330c-9875-46f9-966e-4dfb32e39dc5/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab6330c-9875-46f9-966e-4dfb32e39dc5/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-51.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab6330c-9875-46f9-966e-4dfb32e39dc5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab6330c-9875-46f9-966e-4dfb32e39dc5/bin/ukojak-verify-CZk0znPC7b --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 4b836ea2f262418da81f26dbfe56a862353221b7830dc2829bc30e02d19dd77f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:16:38,888 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:16:38,944 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab6330c-9875-46f9-966e-4dfb32e39dc5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:16:38,949 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:16:38,949 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:16:38,969 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:16:38,970 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:16:38,970 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:16:38,970 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:16:38,970 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:16:38,970 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:16:38,971 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:16:38,971 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:16:38,971 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:16:38,971 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:16:38,971 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:16:38,971 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:16:38,971 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:16:38,971 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:16:38,971 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:16:38,971 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:16:38,971 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:16:38,972 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:16:38,972 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:16:38,972 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:16:38,972 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:16:38,972 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:16:38,972 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:16:38,972 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:16:38,972 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:16:38,972 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:16:38,972 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:16:38,972 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:16:38,973 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_cab6330c-9875-46f9-966e-4dfb32e39dc5/bin/ukojak-verify-CZk0znPC7b 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 -> 4b836ea2f262418da81f26dbfe56a862353221b7830dc2829bc30e02d19dd77f [2024-12-06 00:16:39,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:16:39,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:16:39,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:16:39,219 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:16:39,220 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:16:39,221 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab6330c-9875-46f9-966e-4dfb32e39dc5/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-51.i [2024-12-06 00:16:41,919 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab6330c-9875-46f9-966e-4dfb32e39dc5/bin/ukojak-verify-CZk0znPC7b/data/0ab0da0f0/7c5028b1179b45769fd13cbf619e12dd/FLAG9e8992d05 [2024-12-06 00:16:42,123 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:16:42,124 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab6330c-9875-46f9-966e-4dfb32e39dc5/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-51.i [2024-12-06 00:16:42,132 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab6330c-9875-46f9-966e-4dfb32e39dc5/bin/ukojak-verify-CZk0znPC7b/data/0ab0da0f0/7c5028b1179b45769fd13cbf619e12dd/FLAG9e8992d05 [2024-12-06 00:16:42,493 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab6330c-9875-46f9-966e-4dfb32e39dc5/bin/ukojak-verify-CZk0znPC7b/data/0ab0da0f0/7c5028b1179b45769fd13cbf619e12dd [2024-12-06 00:16:42,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:16:42,496 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:16:42,498 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:16:42,498 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:16:42,502 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:16:42,502 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:16:42" (1/1) ... [2024-12-06 00:16:42,503 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c8a1366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:16:42, skipping insertion in model container [2024-12-06 00:16:42,503 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:16:42" (1/1) ... [2024-12-06 00:16:42,518 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:16:42,624 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab6330c-9875-46f9-966e-4dfb32e39dc5/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-51.i[916,929] [2024-12-06 00:16:42,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:16:42,672 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:16:42,680 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab6330c-9875-46f9-966e-4dfb32e39dc5/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-51.i[916,929] [2024-12-06 00:16:42,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:16:42,711 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:16:42,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:16:42 WrapperNode [2024-12-06 00:16:42,712 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:16:42,713 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:16:42,713 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:16:42,713 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:16:42,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:16:42" (1/1) ... [2024-12-06 00:16:42,723 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:16:42" (1/1) ... [2024-12-06 00:16:42,738 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 125 [2024-12-06 00:16:42,738 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:16:42,739 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:16:42,739 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:16:42,739 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:16:42,744 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:16:42" (1/1) ... [2024-12-06 00:16:42,744 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:16:42" (1/1) ... [2024-12-06 00:16:42,745 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:16:42" (1/1) ... [2024-12-06 00:16:42,746 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:16:42" (1/1) ... [2024-12-06 00:16:42,749 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:16:42" (1/1) ... [2024-12-06 00:16:42,750 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:16:42" (1/1) ... [2024-12-06 00:16:42,752 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:16:42" (1/1) ... [2024-12-06 00:16:42,753 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:16:42" (1/1) ... [2024-12-06 00:16:42,754 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:16:42" (1/1) ... [2024-12-06 00:16:42,755 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:16:42,756 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:16:42,756 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:16:42,756 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:16:42,757 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:16:42" (1/1) ... [2024-12-06 00:16:42,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:16:42,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab6330c-9875-46f9-966e-4dfb32e39dc5/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:16:42,781 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab6330c-9875-46f9-966e-4dfb32e39dc5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:16:42,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab6330c-9875-46f9-966e-4dfb32e39dc5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:16:42,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:16:42,805 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 00:16:42,806 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 00:16:42,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:16:42,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:16:42,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:16:42,871 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:16:42,872 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:16:43,070 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-12-06 00:16:43,071 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:16:43,161 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:16:43,161 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 00:16:43,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:16:43 BoogieIcfgContainer [2024-12-06 00:16:43,161 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:16:43,162 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:16:43,162 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:16:43,169 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:16:43,169 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:16:43" (1/1) ... [2024-12-06 00:16:43,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:16:43,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:43,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 43 states and 66 transitions. [2024-12-06 00:16:43,224 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 66 transitions. [2024-12-06 00:16:43,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-12-06 00:16:43,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:16:43,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:16:43,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:16:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:43,699 INFO L256 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 00:16:43,708 INFO L279 TraceCheckSpWp]: Computing forward predicates...