./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/drift_tenth.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd9eaa-6b51-48ef-a32c-eaac3c3a176a/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd9eaa-6b51-48ef-a32c-eaac3c3a176a/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd9eaa-6b51-48ef-a32c-eaac3c3a176a/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd9eaa-6b51-48ef-a32c-eaac3c3a176a/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/drift_tenth.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd9eaa-6b51-48ef-a32c-eaac3c3a176a/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd9eaa-6b51-48ef-a32c-eaac3c3a176a/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --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 cbe9305dfa705c6adeb45241a85cbda41a40d96daaf057706b199b2a64bbcd77 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:03:26,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:03:26,673 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:03:26,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:03:26,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:03:26,741 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:03:26,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:03:26,746 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:03:26,749 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:03:26,754 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:03:26,755 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:03:26,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:03:26,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:03:26,760 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:03:26,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:03:26,766 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:03:26,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:03:26,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:03:26,772 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:03:26,779 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:03:26,781 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:03:26,783 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:03:26,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:03:26,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:03:26,793 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:03:26,793 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:03:26,793 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:03:26,794 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:03:26,795 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:03:26,796 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:03:26,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:03:26,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:03:26,798 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:03:26,799 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:03:26,801 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:03:26,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:03:26,802 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:03:26,802 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:03:26,803 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:03:26,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:03:26,804 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:03:26,805 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd9eaa-6b51-48ef-a32c-eaac3c3a176a/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:03:26,846 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:03:26,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:03:26,849 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:03:26,849 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:03:26,849 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:03:26,850 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:03:26,850 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:03:26,850 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:03:26,850 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:03:26,850 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:03:26,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:03:26,852 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:03:26,852 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:03:26,852 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:03:26,852 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:03:26,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:03:26,853 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:03:26,853 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:03:26,853 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:03:26,853 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:03:26,853 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:03:26,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:26,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:03:26,854 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:03:26,854 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:03:26,854 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:03:26,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:03:26,855 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:03:26,855 INFO L138 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_51cd9eaa-6b51-48ef-a32c-eaac3c3a176a/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd9eaa-6b51-48ef-a32c-eaac3c3a176a/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cbe9305dfa705c6adeb45241a85cbda41a40d96daaf057706b199b2a64bbcd77 [2021-11-23 15:03:27,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:03:27,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:03:27,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:03:27,194 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:03:27,195 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:03:27,196 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd9eaa-6b51-48ef-a32c-eaac3c3a176a/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/float-benchs/drift_tenth.c [2021-11-23 15:03:27,273 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd9eaa-6b51-48ef-a32c-eaac3c3a176a/bin/ukojak-CwSLpZB5Qu/data/5053fa013/c10eef368bf340d8bd6f0016824cf05c/FLAG1d1a3dbdd [2021-11-23 15:03:27,790 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:03:27,790 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd9eaa-6b51-48ef-a32c-eaac3c3a176a/sv-benchmarks/c/float-benchs/drift_tenth.c [2021-11-23 15:03:27,796 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd9eaa-6b51-48ef-a32c-eaac3c3a176a/bin/ukojak-CwSLpZB5Qu/data/5053fa013/c10eef368bf340d8bd6f0016824cf05c/FLAG1d1a3dbdd [2021-11-23 15:03:28,167 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd9eaa-6b51-48ef-a32c-eaac3c3a176a/bin/ukojak-CwSLpZB5Qu/data/5053fa013/c10eef368bf340d8bd6f0016824cf05c [2021-11-23 15:03:28,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:03:28,173 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:03:28,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:28,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:03:28,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:03:28,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:28" (1/1) ... [2021-11-23 15:03:28,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d776af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:28, skipping insertion in model container [2021-11-23 15:03:28,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:28" (1/1) ... [2021-11-23 15:03:28,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:03:28,204 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:03:28,396 WARN L230 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_51cd9eaa-6b51-48ef-a32c-eaac3c3a176a/sv-benchmarks/c/float-benchs/drift_tenth.c[348,361] [2021-11-23 15:03:28,409 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:28,418 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:03:28,433 WARN L230 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_51cd9eaa-6b51-48ef-a32c-eaac3c3a176a/sv-benchmarks/c/float-benchs/drift_tenth.c[348,361] [2021-11-23 15:03:28,436 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:28,450 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:03:28,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:28 WrapperNode [2021-11-23 15:03:28,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:28,454 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:28,455 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:03:28,457 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:03:28,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:28" (1/1) ... [2021-11-23 15:03:28,472 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:28" (1/1) ... [2021-11-23 15:03:28,491 INFO L137 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 31 [2021-11-23 15:03:28,491 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:28,492 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:03:28,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:03:28,492 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:03:28,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:28" (1/1) ... [2021-11-23 15:03:28,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:28" (1/1) ... [2021-11-23 15:03:28,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:28" (1/1) ... [2021-11-23 15:03:28,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:28" (1/1) ... [2021-11-23 15:03:28,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:28" (1/1) ... [2021-11-23 15:03:28,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:28" (1/1) ... [2021-11-23 15:03:28,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:28" (1/1) ... [2021-11-23 15:03:28,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:03:28,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:03:28,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:03:28,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:03:28,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:28" (1/1) ... [2021-11-23 15:03:28,530 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:28,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd9eaa-6b51-48ef-a32c-eaac3c3a176a/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:03:28,555 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd9eaa-6b51-48ef-a32c-eaac3c3a176a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:03:28,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd9eaa-6b51-48ef-a32c-eaac3c3a176a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:03:28,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:03:28,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:03:28,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:03:28,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:03:28,668 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:03:28,669 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:03:28,798 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:03:28,812 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:03:28,817 INFO L158 Benchmark]: Toolchain (without parser) took 642.51ms. Allocated memory is still 127.9MB. Free memory was 87.4MB in the beginning and 90.4MB in the end (delta: -3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:28,818 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 127.9MB. Free memory was 104.1MB in the beginning and 104.1MB in the end (delta: 75.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:28,819 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.09ms. Allocated memory is still 127.9MB. Free memory was 87.2MB in the beginning and 102.1MB in the end (delta: -14.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:03:28,821 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.86ms. Allocated memory is still 127.9MB. Free memory was 102.1MB in the beginning and 100.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:03:28,822 INFO L158 Benchmark]: Boogie Preprocessor took 27.90ms. Allocated memory is still 127.9MB. Free memory was 100.6MB in the beginning and 99.6MB in the end (delta: 962.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:03:28,823 INFO L158 Benchmark]: RCFGBuilder took 293.52ms. Allocated memory is still 127.9MB. Free memory was 99.6MB in the beginning and 90.4MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:03:28,827 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 127.9MB. Free memory was 104.1MB in the beginning and 104.1MB in the end (delta: 75.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.09ms. Allocated memory is still 127.9MB. Free memory was 87.2MB in the beginning and 102.1MB in the end (delta: -14.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.86ms. Allocated memory is still 127.9MB. Free memory was 102.1MB in the beginning and 100.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.90ms. Allocated memory is still 127.9MB. Free memory was 100.6MB in the beginning and 99.6MB in the end (delta: 962.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 293.52ms. Allocated memory is still 127.9MB. Free memory was 99.6MB in the beginning and 90.4MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:03:28,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd9eaa-6b51-48ef-a32c-eaac3c3a176a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd9eaa-6b51-48ef-a32c-eaac3c3a176a/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd9eaa-6b51-48ef-a32c-eaac3c3a176a/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd9eaa-6b51-48ef-a32c-eaac3c3a176a/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd9eaa-6b51-48ef-a32c-eaac3c3a176a/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/drift_tenth.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd9eaa-6b51-48ef-a32c-eaac3c3a176a/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd9eaa-6b51-48ef-a32c-eaac3c3a176a/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --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 cbe9305dfa705c6adeb45241a85cbda41a40d96daaf057706b199b2a64bbcd77 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:03:31,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:03:31,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:03:31,343 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:03:31,344 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:03:31,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:03:31,351 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:03:31,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:03:31,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:03:31,369 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:03:31,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:03:31,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:03:31,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:03:31,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:03:31,381 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:03:31,387 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:03:31,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:03:31,389 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:03:31,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:03:31,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:03:31,401 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:03:31,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:03:31,404 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:03:31,406 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:03:31,417 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:03:31,418 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:03:31,418 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:03:31,420 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:03:31,421 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:03:31,421 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:03:31,422 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:03:31,423 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:03:31,423 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:03:31,424 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:03:31,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:03:31,426 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:03:31,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:03:31,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:03:31,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:03:31,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:03:31,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:03:31,429 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd9eaa-6b51-48ef-a32c-eaac3c3a176a/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:03:31,463 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:03:31,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:03:31,464 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:03:31,464 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:03:31,465 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:03:31,465 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:03:31,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:03:31,466 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:03:31,466 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:03:31,466 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:03:31,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:03:31,467 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:03:31,467 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:03:31,467 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:03:31,467 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:03:31,467 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:03:31,467 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:03:31,468 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:03:31,468 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:03:31,468 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:03:31,468 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:03:31,468 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:03:31,469 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:03:31,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:31,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:03:31,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:03:31,471 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:03:31,471 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:03:31,472 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:03:31,472 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:03:31,472 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:03:31,472 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:03:31,473 INFO L138 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_51cd9eaa-6b51-48ef-a32c-eaac3c3a176a/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd9eaa-6b51-48ef-a32c-eaac3c3a176a/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cbe9305dfa705c6adeb45241a85cbda41a40d96daaf057706b199b2a64bbcd77 [2021-11-23 15:03:31,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:03:31,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:03:31,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:03:31,874 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:03:31,874 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:03:31,876 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd9eaa-6b51-48ef-a32c-eaac3c3a176a/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/float-benchs/drift_tenth.c [2021-11-23 15:03:31,938 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd9eaa-6b51-48ef-a32c-eaac3c3a176a/bin/ukojak-CwSLpZB5Qu/data/ccd884058/1bead31cad6243149038a52bc24796a3/FLAG0b3cc513a [2021-11-23 15:03:32,470 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:03:32,471 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd9eaa-6b51-48ef-a32c-eaac3c3a176a/sv-benchmarks/c/float-benchs/drift_tenth.c [2021-11-23 15:03:32,476 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd9eaa-6b51-48ef-a32c-eaac3c3a176a/bin/ukojak-CwSLpZB5Qu/data/ccd884058/1bead31cad6243149038a52bc24796a3/FLAG0b3cc513a [2021-11-23 15:03:32,887 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd9eaa-6b51-48ef-a32c-eaac3c3a176a/bin/ukojak-CwSLpZB5Qu/data/ccd884058/1bead31cad6243149038a52bc24796a3 [2021-11-23 15:03:32,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:03:32,890 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:03:32,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:32,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:03:32,908 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:03:32,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:32" (1/1) ... [2021-11-23 15:03:32,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4293aa02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:32, skipping insertion in model container [2021-11-23 15:03:32,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:32" (1/1) ... [2021-11-23 15:03:32,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:03:32,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:03:33,083 WARN L230 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_51cd9eaa-6b51-48ef-a32c-eaac3c3a176a/sv-benchmarks/c/float-benchs/drift_tenth.c[348,361] [2021-11-23 15:03:33,096 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:33,109 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:03:33,122 WARN L230 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_51cd9eaa-6b51-48ef-a32c-eaac3c3a176a/sv-benchmarks/c/float-benchs/drift_tenth.c[348,361] [2021-11-23 15:03:33,125 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:33,163 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:03:33,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:33 WrapperNode [2021-11-23 15:03:33,164 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:33,165 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:33,165 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:03:33,165 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:03:33,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:33" (1/1) ... [2021-11-23 15:03:33,196 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:33" (1/1) ... [2021-11-23 15:03:33,214 INFO L137 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 32 [2021-11-23 15:03:33,215 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:33,216 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:03:33,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:03:33,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:03:33,224 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:33" (1/1) ... [2021-11-23 15:03:33,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:33" (1/1) ... [2021-11-23 15:03:33,242 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:33" (1/1) ... [2021-11-23 15:03:33,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:33" (1/1) ... [2021-11-23 15:03:33,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:33" (1/1) ... [2021-11-23 15:03:33,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:33" (1/1) ... [2021-11-23 15:03:33,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:33" (1/1) ... [2021-11-23 15:03:33,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:03:33,268 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:03:33,268 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:03:33,269 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:03:33,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:33" (1/1) ... [2021-11-23 15:03:33,277 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:33,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd9eaa-6b51-48ef-a32c-eaac3c3a176a/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:03:33,302 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd9eaa-6b51-48ef-a32c-eaac3c3a176a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:03:33,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd9eaa-6b51-48ef-a32c-eaac3c3a176a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:03:33,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:03:33,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:03:33,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:03:33,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:03:33,439 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:03:33,441 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:03:33,708 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:03:33,725 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:03:33,738 INFO L158 Benchmark]: Toolchain (without parser) took 847.13ms. Allocated memory is still 62.9MB. Free memory was 43.2MB in the beginning and 35.4MB in the end (delta: 7.7MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2021-11-23 15:03:33,739 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 62.9MB. Free memory was 44.2MB in the beginning and 44.1MB in the end (delta: 46.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:33,741 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.57ms. Allocated memory is still 62.9MB. Free memory was 42.9MB in the beginning and 47.1MB in the end (delta: -4.2MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2021-11-23 15:03:33,742 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.40ms. Allocated memory is still 62.9MB. Free memory was 47.1MB in the beginning and 45.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:03:33,743 INFO L158 Benchmark]: Boogie Preprocessor took 50.51ms. Allocated memory is still 62.9MB. Free memory was 45.8MB in the beginning and 44.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:33,758 INFO L158 Benchmark]: RCFGBuilder took 468.29ms. Allocated memory is still 62.9MB. Free memory was 44.4MB in the beginning and 35.4MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:03:33,763 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 62.9MB. Free memory was 44.2MB in the beginning and 44.1MB in the end (delta: 46.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.57ms. Allocated memory is still 62.9MB. Free memory was 42.9MB in the beginning and 47.1MB in the end (delta: -4.2MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.40ms. Allocated memory is still 62.9MB. Free memory was 47.1MB in the beginning and 45.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.51ms. Allocated memory is still 62.9MB. Free memory was 45.8MB in the beginning and 44.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 468.29ms. Allocated memory is still 62.9MB. Free memory was 44.4MB in the beginning and 35.4MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:03:33,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd9eaa-6b51-48ef-a32c-eaac3c3a176a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable