./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/Muller_Kahan.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_d89289ef-fbc9-41e8-866e-64dffd31f63f/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89289ef-fbc9-41e8-866e-64dffd31f63f/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_d89289ef-fbc9-41e8-866e-64dffd31f63f/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89289ef-fbc9-41e8-866e-64dffd31f63f/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/Muller_Kahan.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89289ef-fbc9-41e8-866e-64dffd31f63f/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_d89289ef-fbc9-41e8-866e-64dffd31f63f/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 61ce2c272542663cace3442e405f7ab093d2a72e636da199b8b44596c79af6c9 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:01:33,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:01:33,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:01:33,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:01:33,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:01:33,940 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:01:33,942 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:01:33,946 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:01:33,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:01:33,954 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:01:33,955 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:01:33,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:01:33,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:01:33,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:01:33,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:01:33,968 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:01:33,970 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:01:33,971 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:01:33,974 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:01:33,982 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:01:33,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:01:33,985 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:01:33,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:01:33,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:01:33,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:01:34,000 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:01:34,000 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:01:34,002 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:01:34,003 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:01:34,005 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:01:34,005 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:01:34,006 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:01:34,009 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:01:34,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:01:34,012 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:01:34,012 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:01:34,013 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:01:34,014 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:01:34,014 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:01:34,015 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:01:34,017 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:01:34,018 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89289ef-fbc9-41e8-866e-64dffd31f63f/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:01:34,060 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:01:34,060 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:01:34,062 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:01:34,063 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:01:34,064 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:01:34,064 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:01:34,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:01:34,065 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:01:34,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:01:34,065 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:01:34,066 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:01:34,067 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:01:34,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:01:34,067 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:01:34,068 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:01:34,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:01:34,068 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:01:34,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:01:34,069 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:01:34,069 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:01:34,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:01:34,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:34,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:01:34,071 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:01:34,071 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:01:34,071 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:01:34,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:01:34,072 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:01:34,072 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_d89289ef-fbc9-41e8-866e-64dffd31f63f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89289ef-fbc9-41e8-866e-64dffd31f63f/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 61ce2c272542663cace3442e405f7ab093d2a72e636da199b8b44596c79af6c9 [2021-11-23 15:01:34,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:01:34,412 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:01:34,415 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:01:34,416 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:01:34,417 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:01:34,419 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89289ef-fbc9-41e8-866e-64dffd31f63f/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/float-benchs/Muller_Kahan.c [2021-11-23 15:01:34,499 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89289ef-fbc9-41e8-866e-64dffd31f63f/bin/ukojak-CwSLpZB5Qu/data/9c9b667e6/103d1e0b4c44454d9027b8e0f1395f6c/FLAG8641e7556 [2021-11-23 15:01:34,975 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:01:34,976 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89289ef-fbc9-41e8-866e-64dffd31f63f/sv-benchmarks/c/float-benchs/Muller_Kahan.c [2021-11-23 15:01:34,983 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89289ef-fbc9-41e8-866e-64dffd31f63f/bin/ukojak-CwSLpZB5Qu/data/9c9b667e6/103d1e0b4c44454d9027b8e0f1395f6c/FLAG8641e7556 [2021-11-23 15:01:35,351 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89289ef-fbc9-41e8-866e-64dffd31f63f/bin/ukojak-CwSLpZB5Qu/data/9c9b667e6/103d1e0b4c44454d9027b8e0f1395f6c [2021-11-23 15:01:35,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:01:35,355 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:01:35,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:35,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:01:35,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:01:35,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:35" (1/1) ... [2021-11-23 15:01:35,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@295c3a24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:35, skipping insertion in model container [2021-11-23 15:01:35,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:35" (1/1) ... [2021-11-23 15:01:35,382 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:01:35,396 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:01:35,594 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_d89289ef-fbc9-41e8-866e-64dffd31f63f/sv-benchmarks/c/float-benchs/Muller_Kahan.c[631,644] [2021-11-23 15:01:35,612 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:35,623 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:01:35,636 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_d89289ef-fbc9-41e8-866e-64dffd31f63f/sv-benchmarks/c/float-benchs/Muller_Kahan.c[631,644] [2021-11-23 15:01:35,641 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:35,654 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:01:35,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:35 WrapperNode [2021-11-23 15:01:35,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:35,656 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:35,657 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:01:35,657 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:01:35,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:35" (1/1) ... [2021-11-23 15:01:35,671 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:35" (1/1) ... [2021-11-23 15:01:35,689 INFO L137 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2021-11-23 15:01:35,689 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:35,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:01:35,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:01:35,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:01:35,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:35" (1/1) ... [2021-11-23 15:01:35,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:35" (1/1) ... [2021-11-23 15:01:35,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:35" (1/1) ... [2021-11-23 15:01:35,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:35" (1/1) ... [2021-11-23 15:01:35,705 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:35" (1/1) ... [2021-11-23 15:01:35,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:35" (1/1) ... [2021-11-23 15:01:35,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:35" (1/1) ... [2021-11-23 15:01:35,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:01:35,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:01:35,724 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:01:35,724 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:01:35,725 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:35" (1/1) ... [2021-11-23 15:01:35,733 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:35,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89289ef-fbc9-41e8-866e-64dffd31f63f/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:01:35,763 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89289ef-fbc9-41e8-866e-64dffd31f63f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:01:35,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89289ef-fbc9-41e8-866e-64dffd31f63f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:01:35,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:01:35,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:01:35,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:01:35,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:01:35,892 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:01:35,894 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:01:36,039 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:01:36,065 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 15:01:36,071 INFO L158 Benchmark]: Toolchain (without parser) took 713.54ms. Allocated memory was 83.9MB in the beginning and 104.9MB in the end (delta: 21.0MB). Free memory was 50.1MB in the beginning and 69.8MB in the end (delta: -19.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:01:36,072 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory was 54.4MB in the beginning and 54.4MB in the end (delta: 21.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:01:36,075 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.98ms. Allocated memory was 83.9MB in the beginning and 104.9MB in the end (delta: 21.0MB). Free memory was 49.8MB in the beginning and 81.1MB in the end (delta: -31.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:01:36,077 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.25ms. Allocated memory is still 104.9MB. Free memory was 81.1MB in the beginning and 79.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:01:36,078 INFO L158 Benchmark]: Boogie Preprocessor took 32.55ms. Allocated memory is still 104.9MB. Free memory was 79.7MB in the beginning and 78.8MB in the end (delta: 947.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:01:36,079 INFO L158 Benchmark]: RCFGBuilder took 344.28ms. Allocated memory is still 104.9MB. Free memory was 78.8MB in the beginning and 69.8MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:01:36,088 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory was 54.4MB in the beginning and 54.4MB in the end (delta: 21.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.98ms. Allocated memory was 83.9MB in the beginning and 104.9MB in the end (delta: 21.0MB). Free memory was 49.8MB in the beginning and 81.1MB in the end (delta: -31.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.25ms. Allocated memory is still 104.9MB. Free memory was 81.1MB in the beginning and 79.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.55ms. Allocated memory is still 104.9MB. Free memory was 79.7MB in the beginning and 78.8MB in the end (delta: 947.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 344.28ms. Allocated memory is still 104.9MB. Free memory was 78.8MB in the beginning and 69.8MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. 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 15:01:36,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89289ef-fbc9-41e8-866e-64dffd31f63f/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_d89289ef-fbc9-41e8-866e-64dffd31f63f/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89289ef-fbc9-41e8-866e-64dffd31f63f/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_d89289ef-fbc9-41e8-866e-64dffd31f63f/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89289ef-fbc9-41e8-866e-64dffd31f63f/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/Muller_Kahan.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89289ef-fbc9-41e8-866e-64dffd31f63f/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_d89289ef-fbc9-41e8-866e-64dffd31f63f/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 61ce2c272542663cace3442e405f7ab093d2a72e636da199b8b44596c79af6c9 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:01:38,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:01:38,582 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:01:38,617 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:01:38,617 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:01:38,619 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:01:38,621 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:01:38,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:01:38,626 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:01:38,627 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:01:38,629 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:01:38,630 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:01:38,631 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:01:38,633 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:01:38,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:01:38,637 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:01:38,638 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:01:38,639 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:01:38,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:01:38,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:01:38,647 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:01:38,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:01:38,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:01:38,652 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:01:38,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:01:38,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:01:38,657 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:01:38,658 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:01:38,659 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:01:38,660 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:01:38,661 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:01:38,662 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:01:38,663 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:01:38,664 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:01:38,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:01:38,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:01:38,667 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:01:38,668 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:01:38,668 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:01:38,670 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:01:38,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:01:38,672 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89289ef-fbc9-41e8-866e-64dffd31f63f/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:01:38,720 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:01:38,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:01:38,722 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:01:38,722 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:01:38,724 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:01:38,724 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:01:38,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:01:38,725 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:01:38,725 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:01:38,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:01:38,726 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:01:38,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:01:38,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:01:38,727 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:01:38,727 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:01:38,727 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:01:38,727 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:01:38,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:01:38,728 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:01:38,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:01:38,728 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:01:38,728 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:01:38,729 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:01:38,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:38,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:01:38,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:01:38,730 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:01:38,730 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:01:38,730 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:01:38,730 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:01:38,731 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:01:38,731 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:01:38,731 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_d89289ef-fbc9-41e8-866e-64dffd31f63f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89289ef-fbc9-41e8-866e-64dffd31f63f/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 61ce2c272542663cace3442e405f7ab093d2a72e636da199b8b44596c79af6c9 [2021-11-23 15:01:39,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:01:39,209 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:01:39,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:01:39,214 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:01:39,216 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:01:39,219 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89289ef-fbc9-41e8-866e-64dffd31f63f/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/float-benchs/Muller_Kahan.c [2021-11-23 15:01:39,295 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89289ef-fbc9-41e8-866e-64dffd31f63f/bin/ukojak-CwSLpZB5Qu/data/261f19f01/00eabfb17ea54127a177b3e03faff130/FLAG77a9aab77 [2021-11-23 15:01:39,750 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:01:39,750 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89289ef-fbc9-41e8-866e-64dffd31f63f/sv-benchmarks/c/float-benchs/Muller_Kahan.c [2021-11-23 15:01:39,757 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89289ef-fbc9-41e8-866e-64dffd31f63f/bin/ukojak-CwSLpZB5Qu/data/261f19f01/00eabfb17ea54127a177b3e03faff130/FLAG77a9aab77 [2021-11-23 15:01:40,164 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89289ef-fbc9-41e8-866e-64dffd31f63f/bin/ukojak-CwSLpZB5Qu/data/261f19f01/00eabfb17ea54127a177b3e03faff130 [2021-11-23 15:01:40,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:01:40,169 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:01:40,174 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:40,174 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:01:40,181 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:01:40,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:40" (1/1) ... [2021-11-23 15:01:40,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41becd1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:40, skipping insertion in model container [2021-11-23 15:01:40,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:40" (1/1) ... [2021-11-23 15:01:40,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:01:40,226 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:01:40,374 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_d89289ef-fbc9-41e8-866e-64dffd31f63f/sv-benchmarks/c/float-benchs/Muller_Kahan.c[631,644] [2021-11-23 15:01:40,389 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:40,401 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:01:40,414 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_d89289ef-fbc9-41e8-866e-64dffd31f63f/sv-benchmarks/c/float-benchs/Muller_Kahan.c[631,644] [2021-11-23 15:01:40,417 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:40,432 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:01:40,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:40 WrapperNode [2021-11-23 15:01:40,433 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:40,434 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:40,434 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:01:40,435 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:01:40,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:40" (1/1) ... [2021-11-23 15:01:40,451 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:40" (1/1) ... [2021-11-23 15:01:40,500 INFO L137 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2021-11-23 15:01:40,501 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:40,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:01:40,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:01:40,503 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:01:40,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:40" (1/1) ... [2021-11-23 15:01:40,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:40" (1/1) ... [2021-11-23 15:01:40,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:40" (1/1) ... [2021-11-23 15:01:40,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:40" (1/1) ... [2021-11-23 15:01:40,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:40" (1/1) ... [2021-11-23 15:01:40,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:40" (1/1) ... [2021-11-23 15:01:40,539 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:40" (1/1) ... [2021-11-23 15:01:40,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:01:40,561 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:01:40,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:01:40,562 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:01:40,562 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:40" (1/1) ... [2021-11-23 15:01:40,569 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:40,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89289ef-fbc9-41e8-866e-64dffd31f63f/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:01:40,599 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89289ef-fbc9-41e8-866e-64dffd31f63f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:01:40,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89289ef-fbc9-41e8-866e-64dffd31f63f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:01:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:01:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:01:40,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:01:40,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:01:40,736 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:01:40,737 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:01:51,316 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:01:51,335 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 15:01:51,352 INFO L158 Benchmark]: Toolchain (without parser) took 11182.21ms. Allocated memory is still 79.7MB. Free memory was 45.3MB in the beginning and 53.1MB in the end (delta: -7.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:01:51,352 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 79.7MB. Free memory is still 61.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:01:51,353 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.64ms. Allocated memory is still 79.7MB. Free memory was 45.1MB in the beginning and 56.2MB in the end (delta: -11.1MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2021-11-23 15:01:51,355 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.25ms. Allocated memory is still 79.7MB. Free memory was 56.0MB in the beginning and 64.0MB in the end (delta: -8.0MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2021-11-23 15:01:51,355 INFO L158 Benchmark]: Boogie Preprocessor took 50.62ms. Allocated memory is still 79.7MB. Free memory was 64.0MB in the beginning and 62.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:01:51,356 INFO L158 Benchmark]: RCFGBuilder took 10788.73ms. Allocated memory is still 79.7MB. Free memory was 62.9MB in the beginning and 53.1MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:01:51,361 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 79.7MB. Free memory is still 61.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.64ms. Allocated memory is still 79.7MB. Free memory was 45.1MB in the beginning and 56.2MB in the end (delta: -11.1MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.25ms. Allocated memory is still 79.7MB. Free memory was 56.0MB in the beginning and 64.0MB in the end (delta: -8.0MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.62ms. Allocated memory is still 79.7MB. Free memory was 64.0MB in the beginning and 62.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 10788.73ms. Allocated memory is still 79.7MB. Free memory was 62.9MB in the beginning and 53.1MB in the end (delta: 9.8MB). 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 15:01:51,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89289ef-fbc9-41e8-866e-64dffd31f63f/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