./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-1.i --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_f810a23e-1627-42c4-8704-761a7547bffc/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f810a23e-1627-42c4-8704-761a7547bffc/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_f810a23e-1627-42c4-8704-761a7547bffc/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f810a23e-1627-42c4-8704-761a7547bffc/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f810a23e-1627-42c4-8704-761a7547bffc/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_f810a23e-1627-42c4-8704-761a7547bffc/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 f8d14145608efc0a8f321a178564faff63399ecbab28641c0c2971fec318068f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:39:32,722 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:39:32,724 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:39:32,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:39:32,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:39:32,757 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:39:32,759 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:39:32,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:39:32,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:39:32,765 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:39:32,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:39:32,768 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:39:32,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:39:32,770 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:39:32,772 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:39:32,773 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:39:32,775 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:39:32,776 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:39:32,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:39:32,781 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:39:32,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:39:32,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:39:32,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:39:32,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:39:32,790 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:39:32,791 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:39:32,791 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:39:32,792 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:39:32,793 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:39:32,794 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:39:32,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:39:32,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:39:32,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:39:32,798 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:39:32,799 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:39:32,799 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:39:32,801 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:39:32,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:39:32,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:39:32,802 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:39:32,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:39:32,804 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f810a23e-1627-42c4-8704-761a7547bffc/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:39:32,829 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:39:32,829 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:39:32,830 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:39:32,831 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:39:32,831 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:39:32,832 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:39:32,832 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:39:32,832 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:39:32,832 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:39:32,832 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:39:32,833 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:39:32,833 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:39:32,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:39:32,833 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:39:32,833 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:39:32,833 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:39:32,834 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:39:32,834 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:39:32,834 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:39:32,834 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:39:32,835 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:39:32,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:39:32,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:39:32,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:39:32,835 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:39:32,836 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:39:32,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:39:32,836 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:39:32,836 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_f810a23e-1627-42c4-8704-761a7547bffc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f810a23e-1627-42c4-8704-761a7547bffc/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8d14145608efc0a8f321a178564faff63399ecbab28641c0c2971fec318068f [2021-11-23 15:39:33,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:39:33,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:39:33,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:39:33,108 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:39:33,111 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:39:33,113 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f810a23e-1627-42c4-8704-761a7547bffc/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-1.i [2021-11-23 15:39:33,195 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f810a23e-1627-42c4-8704-761a7547bffc/bin/ukojak-CwSLpZB5Qu/data/b2d83d411/f5fa8438caf8471dac7090c21a54e9fc/FLAG4408a1733 [2021-11-23 15:39:33,814 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:39:33,815 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f810a23e-1627-42c4-8704-761a7547bffc/sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-1.i [2021-11-23 15:39:33,831 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f810a23e-1627-42c4-8704-761a7547bffc/bin/ukojak-CwSLpZB5Qu/data/b2d83d411/f5fa8438caf8471dac7090c21a54e9fc/FLAG4408a1733 [2021-11-23 15:39:34,100 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f810a23e-1627-42c4-8704-761a7547bffc/bin/ukojak-CwSLpZB5Qu/data/b2d83d411/f5fa8438caf8471dac7090c21a54e9fc [2021-11-23 15:39:34,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:39:34,103 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:39:34,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:39:34,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:39:34,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:39:34,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:34" (1/1) ... [2021-11-23 15:39:34,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45a97095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:34, skipping insertion in model container [2021-11-23 15:39:34,115 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:34" (1/1) ... [2021-11-23 15:39:34,123 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:39:34,184 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:39:34,505 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_f810a23e-1627-42c4-8704-761a7547bffc/sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-1.i[22636,22649] [2021-11-23 15:39:34,558 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:39:34,570 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:39:34,610 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_f810a23e-1627-42c4-8704-761a7547bffc/sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-1.i[22636,22649] [2021-11-23 15:39:34,625 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:39:34,656 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:39:34,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:34 WrapperNode [2021-11-23 15:39:34,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:39:34,658 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:39:34,658 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:39:34,658 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:39:34,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:34" (1/1) ... [2021-11-23 15:39:34,682 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:34" (1/1) ... [2021-11-23 15:39:34,712 INFO L137 Inliner]: procedures = 129, calls = 79, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 200 [2021-11-23 15:39:34,713 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:39:34,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:39:34,714 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:39:34,714 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:39:34,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:34" (1/1) ... [2021-11-23 15:39:34,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:34" (1/1) ... [2021-11-23 15:39:34,734 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:34" (1/1) ... [2021-11-23 15:39:34,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:34" (1/1) ... [2021-11-23 15:39:34,758 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:34" (1/1) ... [2021-11-23 15:39:34,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:34" (1/1) ... [2021-11-23 15:39:34,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:34" (1/1) ... [2021-11-23 15:39:34,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:39:34,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:39:34,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:39:34,775 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:39:34,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:34" (1/1) ... [2021-11-23 15:39:34,784 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:39:34,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f810a23e-1627-42c4-8704-761a7547bffc/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:39:34,829 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f810a23e-1627-42c4-8704-761a7547bffc/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:39:34,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f810a23e-1627-42c4-8704-761a7547bffc/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:39:34,878 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2021-11-23 15:39:34,878 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2021-11-23 15:39:34,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:39:34,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:39:34,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:39:34,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:39:34,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:39:34,880 INFO L130 BoogieDeclarations]: Found specification of procedure check_seq_prev [2021-11-23 15:39:34,880 INFO L138 BoogieDeclarations]: Found implementation of procedure check_seq_prev [2021-11-23 15:39:34,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:39:34,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:39:34,880 INFO L130 BoogieDeclarations]: Found specification of procedure chain_node [2021-11-23 15:39:34,881 INFO L138 BoogieDeclarations]: Found implementation of procedure chain_node [2021-11-23 15:39:34,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:39:34,881 INFO L130 BoogieDeclarations]: Found specification of procedure check_seq_next [2021-11-23 15:39:34,881 INFO L138 BoogieDeclarations]: Found implementation of procedure check_seq_next [2021-11-23 15:39:34,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:39:34,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:39:35,066 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:39:35,068 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:39:35,447 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:39:35,489 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:39:35,493 INFO L158 Benchmark]: Toolchain (without parser) took 1389.00ms. Allocated memory is still 121.6MB. Free memory was 85.1MB in the beginning and 60.4MB in the end (delta: 24.7MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2021-11-23 15:39:35,494 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 121.6MB. Free memory was 95.4MB in the beginning and 95.3MB in the end (delta: 26.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:39:35,495 INFO L158 Benchmark]: CACSL2BoogieTranslator took 551.19ms. Allocated memory is still 121.6MB. Free memory was 84.8MB in the beginning and 86.5MB in the end (delta: -1.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:39:35,496 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.12ms. Allocated memory is still 121.6MB. Free memory was 86.5MB in the beginning and 84.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:39:35,497 INFO L158 Benchmark]: Boogie Preprocessor took 60.82ms. Allocated memory is still 121.6MB. Free memory was 84.4MB in the beginning and 82.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:39:35,503 INFO L158 Benchmark]: RCFGBuilder took 716.56ms. Allocated memory is still 121.6MB. Free memory was 82.0MB in the beginning and 60.4MB in the end (delta: 21.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 15:39:35,506 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 121.6MB. Free memory was 95.4MB in the beginning and 95.3MB in the end (delta: 26.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 551.19ms. Allocated memory is still 121.6MB. Free memory was 84.8MB in the beginning and 86.5MB in the end (delta: -1.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.12ms. Allocated memory is still 121.6MB. Free memory was 86.5MB in the beginning and 84.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.82ms. Allocated memory is still 121.6MB. Free memory was 84.4MB in the beginning and 82.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 716.56ms. Allocated memory is still 121.6MB. Free memory was 82.0MB in the beginning and 60.4MB in the end (delta: 21.6MB). Peak memory consumption was 23.1MB. 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 15:39:35,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f810a23e-1627-42c4-8704-761a7547bffc/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f810a23e-1627-42c4-8704-761a7547bffc/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f810a23e-1627-42c4-8704-761a7547bffc/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_f810a23e-1627-42c4-8704-761a7547bffc/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f810a23e-1627-42c4-8704-761a7547bffc/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f810a23e-1627-42c4-8704-761a7547bffc/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_f810a23e-1627-42c4-8704-761a7547bffc/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 f8d14145608efc0a8f321a178564faff63399ecbab28641c0c2971fec318068f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:39:38,032 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:39:38,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:39:38,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:39:38,081 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:39:38,082 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:39:38,084 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:39:38,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:39:38,089 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:39:38,090 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:39:38,091 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:39:38,093 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:39:38,093 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:39:38,100 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:39:38,102 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:39:38,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:39:38,109 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:39:38,116 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:39:38,118 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:39:38,121 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:39:38,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:39:38,124 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:39:38,126 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:39:38,127 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:39:38,131 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:39:38,131 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:39:38,131 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:39:38,133 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:39:38,133 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:39:38,135 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:39:38,135 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:39:38,136 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:39:38,137 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:39:38,138 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:39:38,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:39:38,159 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:39:38,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:39:38,160 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:39:38,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:39:38,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:39:38,163 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:39:38,165 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f810a23e-1627-42c4-8704-761a7547bffc/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:39:38,214 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:39:38,214 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:39:38,215 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:39:38,215 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:39:38,216 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:39:38,216 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:39:38,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:39:38,217 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:39:38,217 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:39:38,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:39:38,218 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:39:38,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:39:38,218 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:39:38,218 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:39:38,219 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:39:38,219 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:39:38,219 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:39:38,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:39:38,220 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:39:38,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:39:38,221 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:39:38,221 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:39:38,221 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:39:38,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:39:38,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:39:38,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:39:38,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:39:38,222 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:39:38,223 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:39:38,223 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:39:38,224 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:39:38,224 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:39:38,224 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_f810a23e-1627-42c4-8704-761a7547bffc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f810a23e-1627-42c4-8704-761a7547bffc/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8d14145608efc0a8f321a178564faff63399ecbab28641c0c2971fec318068f [2021-11-23 15:39:38,657 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:39:38,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:39:38,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:39:38,686 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:39:38,686 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:39:38,688 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f810a23e-1627-42c4-8704-761a7547bffc/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-1.i [2021-11-23 15:39:38,762 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f810a23e-1627-42c4-8704-761a7547bffc/bin/ukojak-CwSLpZB5Qu/data/ede2057c9/aa253de59e554509aed534ecaefd91e1/FLAG59889c802 [2021-11-23 15:39:39,400 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:39:39,407 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f810a23e-1627-42c4-8704-761a7547bffc/sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-1.i [2021-11-23 15:39:39,431 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f810a23e-1627-42c4-8704-761a7547bffc/bin/ukojak-CwSLpZB5Qu/data/ede2057c9/aa253de59e554509aed534ecaefd91e1/FLAG59889c802 [2021-11-23 15:39:39,632 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f810a23e-1627-42c4-8704-761a7547bffc/bin/ukojak-CwSLpZB5Qu/data/ede2057c9/aa253de59e554509aed534ecaefd91e1 [2021-11-23 15:39:39,634 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:39:39,635 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:39:39,638 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:39:39,638 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:39:39,642 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:39:39,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:39" (1/1) ... [2021-11-23 15:39:39,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b7d5b3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:39, skipping insertion in model container [2021-11-23 15:39:39,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:39" (1/1) ... [2021-11-23 15:39:39,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:39:39,723 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:39:40,063 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_f810a23e-1627-42c4-8704-761a7547bffc/sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-1.i[22636,22649] [2021-11-23 15:39:40,094 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:39:40,105 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:39:40,152 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_f810a23e-1627-42c4-8704-761a7547bffc/sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-1.i[22636,22649] [2021-11-23 15:39:40,186 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:39:40,232 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:39:40,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:40 WrapperNode [2021-11-23 15:39:40,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:39:40,235 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:39:40,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:39:40,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:39:40,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:40" (1/1) ... [2021-11-23 15:39:40,289 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:40" (1/1) ... [2021-11-23 15:39:40,332 INFO L137 Inliner]: procedures = 130, calls = 79, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 198 [2021-11-23 15:39:40,333 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:39:40,334 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:39:40,334 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:39:40,334 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:39:40,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:40" (1/1) ... [2021-11-23 15:39:40,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:40" (1/1) ... [2021-11-23 15:39:40,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:40" (1/1) ... [2021-11-23 15:39:40,363 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:40" (1/1) ... [2021-11-23 15:39:40,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:40" (1/1) ... [2021-11-23 15:39:40,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:40" (1/1) ... [2021-11-23 15:39:40,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:40" (1/1) ... [2021-11-23 15:39:40,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:39:40,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:39:40,421 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:39:40,421 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:39:40,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:40" (1/1) ... [2021-11-23 15:39:40,430 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:39:40,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f810a23e-1627-42c4-8704-761a7547bffc/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:39:40,457 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f810a23e-1627-42c4-8704-761a7547bffc/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:39:40,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f810a23e-1627-42c4-8704-761a7547bffc/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:39:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2021-11-23 15:39:40,511 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2021-11-23 15:39:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:39:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:39:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:39:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:39:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:39:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure check_seq_prev [2021-11-23 15:39:40,512 INFO L138 BoogieDeclarations]: Found implementation of procedure check_seq_prev [2021-11-23 15:39:40,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:39:40,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:39:40,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:39:40,514 INFO L130 BoogieDeclarations]: Found specification of procedure chain_node [2021-11-23 15:39:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure chain_node [2021-11-23 15:39:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure check_seq_next [2021-11-23 15:39:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure check_seq_next [2021-11-23 15:39:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:39:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:39:40,703 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:39:40,705 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:39:41,237 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:39:41,288 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:39:41,292 INFO L158 Benchmark]: Toolchain (without parser) took 1655.58ms. Allocated memory is still 92.3MB. Free memory was 55.4MB in the beginning and 41.0MB in the end (delta: 14.4MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2021-11-23 15:39:41,292 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 92.3MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:39:41,293 INFO L158 Benchmark]: CACSL2BoogieTranslator took 595.97ms. Allocated memory is still 92.3MB. Free memory was 55.3MB in the beginning and 68.3MB in the end (delta: -13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:39:41,294 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.58ms. Allocated memory is still 92.3MB. Free memory was 68.3MB in the beginning and 65.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:39:41,295 INFO L158 Benchmark]: Boogie Preprocessor took 86.37ms. Allocated memory is still 92.3MB. Free memory was 65.6MB in the beginning and 63.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:39:41,300 INFO L158 Benchmark]: RCFGBuilder took 869.35ms. Allocated memory is still 92.3MB. Free memory was 63.0MB in the beginning and 41.0MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 15:39:41,303 INFO L339 ainManager$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 92.3MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 595.97ms. Allocated memory is still 92.3MB. Free memory was 55.3MB in the beginning and 68.3MB in the end (delta: -13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.58ms. Allocated memory is still 92.3MB. Free memory was 68.3MB in the beginning and 65.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.37ms. Allocated memory is still 92.3MB. Free memory was 65.6MB in the beginning and 63.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 869.35ms. Allocated memory is still 92.3MB. Free memory was 63.0MB in the beginning and 41.0MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. 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 15:39:41,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f810a23e-1627-42c4-8704-761a7547bffc/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