./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9c98b9-44dc-4c81-a38b-0513206702bb/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9c98b9-44dc-4c81-a38b-0513206702bb/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9c98b9-44dc-4c81-a38b-0513206702bb/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9c98b9-44dc-4c81-a38b-0513206702bb/bin/ukojak-verify-EEHR8qb7sm/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_6d9c98b9-44dc-4c81-a38b-0513206702bb/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9c98b9-44dc-4c81-a38b-0513206702bb/bin/ukojak-verify-EEHR8qb7sm --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-826ab2b [2024-11-13 21:31:17,129 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:31:17,213 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9c98b9-44dc-4c81-a38b-0513206702bb/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:31:17,218 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:31:17,218 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:31:17,239 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:31:17,240 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:31:17,240 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:31:17,240 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:31:17,241 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:31:17,241 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:31:17,241 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:31:17,241 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:31:17,241 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:31:17,241 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:31:17,241 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:31:17,241 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:31:17,241 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:31:17,242 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:31:17,242 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:31:17,242 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:31:17,242 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:31:17,242 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:31:17,242 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:31:17,242 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:31:17,242 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:31:17,242 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:31:17,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:31:17,243 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:31:17,243 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:31:17,243 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:31:17,243 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:31:17,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:31:17,243 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_6d9c98b9-44dc-4c81-a38b-0513206702bb/bin/ukojak-verify-EEHR8qb7sm 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 [2024-11-13 21:31:17,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:31:17,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:31:17,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:31:17,554 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:31:17,555 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:31:17,556 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9c98b9-44dc-4c81-a38b-0513206702bb/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-51.i Unable to find full path for "g++" [2024-11-13 21:31:19,710 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:31:20,018 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:31:20,018 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9c98b9-44dc-4c81-a38b-0513206702bb/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-51.i [2024-11-13 21:31:20,028 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9c98b9-44dc-4c81-a38b-0513206702bb/bin/ukojak-verify-EEHR8qb7sm/data/3a94c7e82/6a1e3ab0c17749eca078d5702e59156c/FLAG75b7da77d [2024-11-13 21:31:20,282 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9c98b9-44dc-4c81-a38b-0513206702bb/bin/ukojak-verify-EEHR8qb7sm/data/3a94c7e82/6a1e3ab0c17749eca078d5702e59156c [2024-11-13 21:31:20,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:31:20,287 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:31:20,290 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:31:20,291 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:31:20,297 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:31:20,298 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:31:20" (1/1) ... [2024-11-13 21:31:20,299 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f14ecc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:20, skipping insertion in model container [2024-11-13 21:31:20,299 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:31:20" (1/1) ... [2024-11-13 21:31:20,325 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:31:20,490 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_6d9c98b9-44dc-4c81-a38b-0513206702bb/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-51.i[916,929] [2024-11-13 21:31:20,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:31:20,575 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:31:20,584 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_6d9c98b9-44dc-4c81-a38b-0513206702bb/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-51.i[916,929] [2024-11-13 21:31:20,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:31:20,642 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:31:20,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:20 WrapperNode [2024-11-13 21:31:20,643 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:31:20,644 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:31:20,645 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:31:20,645 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:31:20,651 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:20" (1/1) ... [2024-11-13 21:31:20,660 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:20" (1/1) ... [2024-11-13 21:31:20,694 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 125 [2024-11-13 21:31:20,694 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:31:20,695 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:31:20,695 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:31:20,695 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:31:20,710 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:20" (1/1) ... [2024-11-13 21:31:20,710 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:20" (1/1) ... [2024-11-13 21:31:20,719 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:20" (1/1) ... [2024-11-13 21:31:20,720 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:20" (1/1) ... [2024-11-13 21:31:20,724 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:20" (1/1) ... [2024-11-13 21:31:20,734 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:20" (1/1) ... [2024-11-13 21:31:20,736 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:20" (1/1) ... [2024-11-13 21:31:20,741 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:20" (1/1) ... [2024-11-13 21:31:20,747 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:31:20,752 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:31:20,752 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:31:20,752 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:31:20,753 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:20" (1/1) ... [2024-11-13 21:31:20,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:31:20,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9c98b9-44dc-4c81-a38b-0513206702bb/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:31:20,791 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9c98b9-44dc-4c81-a38b-0513206702bb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:31:20,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9c98b9-44dc-4c81-a38b-0513206702bb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:31:20,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:31:20,830 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:31:20,830 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:31:20,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:31:20,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:31:20,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:31:20,928 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:31:20,931 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:31:21,295 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-13 21:31:21,295 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:31:21,471 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:31:21,472 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:31:21,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:31:21 BoogieIcfgContainer [2024-11-13 21:31:21,472 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:31:21,473 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:31:21,474 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:31:21,486 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:31:21,486 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:31:21" (1/1) ... [2024-11-13 21:31:21,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:31:21,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:21,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 43 states and 66 transitions. [2024-11-13 21:31:21,569 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 66 transitions. [2024-11-13 21:31:21,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-13 21:31:21,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:21,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:22,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:31:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:22,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 21:31:22,385 INFO L278 TraceCheckSpWp]: Computing forward predicates...