./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label20.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_7c7266ed-fa17-4a24-96d7-9610f4ee22a7/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7266ed-fa17-4a24-96d7-9610f4ee22a7/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_7c7266ed-fa17-4a24-96d7-9610f4ee22a7/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7266ed-fa17-4a24-96d7-9610f4ee22a7/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7266ed-fa17-4a24-96d7-9610f4ee22a7/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_7c7266ed-fa17-4a24-96d7-9610f4ee22a7/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 6d0713a1238e02d0284b255e77b84c086e26fd99d5533d6977fb0509f2ece092 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:51,631 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:51,633 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:51,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:51,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:51,685 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:51,687 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:51,690 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:51,693 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:51,694 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:51,695 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:51,697 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:51,698 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:51,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:51,701 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:51,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:51,704 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:51,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:51,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:51,710 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:51,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:51,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:51,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:51,722 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:51,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:51,727 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:51,727 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:51,728 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:51,729 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:51,730 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:51,730 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:51,731 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:51,732 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:51,733 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:51,735 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:51,735 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:51,736 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:51,737 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:51,737 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:51,738 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:51,739 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:51,742 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7266ed-fa17-4a24-96d7-9610f4ee22a7/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:58:51,792 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:51,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:51,793 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:58:51,794 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:58:51,794 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:51,794 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:51,795 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:51,795 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:51,795 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:58:51,795 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:51,796 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:51,797 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:58:51,797 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:51,797 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:58:51,797 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:51,798 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:58:51,798 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:51,798 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:58:51,798 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:51,799 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:51,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:51,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:51,799 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:51,800 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:51,800 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:58:51,800 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:58:51,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:58:51,801 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:58:51,801 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_7c7266ed-fa17-4a24-96d7-9610f4ee22a7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7266ed-fa17-4a24-96d7-9610f4ee22a7/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d0713a1238e02d0284b255e77b84c086e26fd99d5533d6977fb0509f2ece092 [2021-11-23 15:58:52,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:52,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:52,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:52,072 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:52,073 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:52,075 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7266ed-fa17-4a24-96d7-9610f4ee22a7/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem01_label20.c [2021-11-23 15:58:52,141 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7266ed-fa17-4a24-96d7-9610f4ee22a7/bin/ukojak-CwSLpZB5Qu/data/68a249a31/710d93992f3b4a1db0d433f0f75466ba/FLAG170fdc107 [2021-11-23 15:58:52,704 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:52,705 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7266ed-fa17-4a24-96d7-9610f4ee22a7/sv-benchmarks/c/eca-rers2012/Problem01_label20.c [2021-11-23 15:58:52,719 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7266ed-fa17-4a24-96d7-9610f4ee22a7/bin/ukojak-CwSLpZB5Qu/data/68a249a31/710d93992f3b4a1db0d433f0f75466ba/FLAG170fdc107 [2021-11-23 15:58:52,966 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7266ed-fa17-4a24-96d7-9610f4ee22a7/bin/ukojak-CwSLpZB5Qu/data/68a249a31/710d93992f3b4a1db0d433f0f75466ba [2021-11-23 15:58:52,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:52,969 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:52,975 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:52,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:52,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:52,978 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:52" (1/1) ... [2021-11-23 15:58:52,979 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@414570bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:52, skipping insertion in model container [2021-11-23 15:58:52,979 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:52" (1/1) ... [2021-11-23 15:58:52,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:53,059 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:53,490 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_7c7266ed-fa17-4a24-96d7-9610f4ee22a7/sv-benchmarks/c/eca-rers2012/Problem01_label20.c[14503,14516] [2021-11-23 15:58:53,557 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:53,565 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:53,629 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_7c7266ed-fa17-4a24-96d7-9610f4ee22a7/sv-benchmarks/c/eca-rers2012/Problem01_label20.c[14503,14516] [2021-11-23 15:58:53,664 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:53,679 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:53,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:53 WrapperNode [2021-11-23 15:58:53,679 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:53,680 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:53,680 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:53,681 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:53,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:53" (1/1) ... [2021-11-23 15:58:53,708 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:53" (1/1) ... [2021-11-23 15:58:53,767 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 657 [2021-11-23 15:58:53,767 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:53,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:58:53,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:58:53,768 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:58:53,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:53" (1/1) ... [2021-11-23 15:58:53,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:53" (1/1) ... [2021-11-23 15:58:53,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:53" (1/1) ... [2021-11-23 15:58:53,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:53" (1/1) ... [2021-11-23 15:58:53,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:53" (1/1) ... [2021-11-23 15:58:53,831 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:53" (1/1) ... [2021-11-23 15:58:53,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:53" (1/1) ... [2021-11-23 15:58:53,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:58:53,853 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:58:53,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:58:53,857 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:58:53,858 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:53" (1/1) ... [2021-11-23 15:58:53,865 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:53,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7266ed-fa17-4a24-96d7-9610f4ee22a7/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:58:53,910 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7266ed-fa17-4a24-96d7-9610f4ee22a7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:58:53,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7266ed-fa17-4a24-96d7-9610f4ee22a7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:58:53,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:58:53,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:58:53,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:58:53,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:58:54,110 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:58:54,111 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:58:54,981 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:58:55,013 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 15:58:55,017 INFO L158 Benchmark]: Toolchain (without parser) took 2046.79ms. Allocated memory was 107.0MB in the beginning and 134.2MB in the end (delta: 27.3MB). Free memory was 72.3MB in the beginning and 52.0MB in the end (delta: 20.3MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2021-11-23 15:58:55,018 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 107.0MB. Free memory was 59.1MB in the beginning and 59.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:55,019 INFO L158 Benchmark]: CACSL2BoogieTranslator took 704.35ms. Allocated memory is still 107.0MB. Free memory was 72.0MB in the beginning and 61.7MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:58:55,020 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.29ms. Allocated memory is still 107.0MB. Free memory was 61.7MB in the beginning and 56.2MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:58:55,020 INFO L158 Benchmark]: Boogie Preprocessor took 83.83ms. Allocated memory was 107.0MB in the beginning and 134.2MB in the end (delta: 27.3MB). Free memory was 56.2MB in the beginning and 106.0MB in the end (delta: -49.8MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2021-11-23 15:58:55,021 INFO L158 Benchmark]: RCFGBuilder took 1161.95ms. Allocated memory is still 134.2MB. Free memory was 105.9MB in the beginning and 52.0MB in the end (delta: 54.0MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. [2021-11-23 15:58:55,024 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 107.0MB. Free memory was 59.1MB in the beginning and 59.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 704.35ms. Allocated memory is still 107.0MB. Free memory was 72.0MB in the beginning and 61.7MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.29ms. Allocated memory is still 107.0MB. Free memory was 61.7MB in the beginning and 56.2MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.83ms. Allocated memory was 107.0MB in the beginning and 134.2MB in the end (delta: 27.3MB). Free memory was 56.2MB in the beginning and 106.0MB in the end (delta: -49.8MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * RCFGBuilder took 1161.95ms. Allocated memory is still 134.2MB. Free memory was 105.9MB in the beginning and 52.0MB in the end (delta: 54.0MB). Peak memory consumption was 57.3MB. 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 15:58:55,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7266ed-fa17-4a24-96d7-9610f4ee22a7/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_7c7266ed-fa17-4a24-96d7-9610f4ee22a7/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7266ed-fa17-4a24-96d7-9610f4ee22a7/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_7c7266ed-fa17-4a24-96d7-9610f4ee22a7/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7266ed-fa17-4a24-96d7-9610f4ee22a7/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7266ed-fa17-4a24-96d7-9610f4ee22a7/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_7c7266ed-fa17-4a24-96d7-9610f4ee22a7/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 6d0713a1238e02d0284b255e77b84c086e26fd99d5533d6977fb0509f2ece092 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:57,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:57,347 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:57,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:57,396 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:57,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:57,402 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:57,406 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:57,409 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:57,414 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:57,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:57,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:57,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:57,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:57,424 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:57,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:57,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:57,434 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:57,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:57,443 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:57,445 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:57,446 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:57,449 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:57,451 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:57,459 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:57,460 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:57,460 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:57,462 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:57,463 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:57,464 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:57,464 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:57,465 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:57,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:57,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:57,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:57,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:57,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:57,470 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:57,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:57,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:57,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:57,478 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7266ed-fa17-4a24-96d7-9610f4ee22a7/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:58:57,520 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:57,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:57,522 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:58:57,522 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:58:57,523 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:57,523 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:57,524 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:57,524 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:57,524 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:57,525 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:57,526 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:58:57,526 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:57,526 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:58:57,527 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:58:57,527 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:58:57,527 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:58:57,527 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:57,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:58:57,528 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:57,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:58:57,528 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:57,529 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:57,529 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:57,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:57,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:57,530 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:57,530 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:58:57,530 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:58:57,530 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:58:57,531 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:58:57,531 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:58:57,531 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:58:57,532 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_7c7266ed-fa17-4a24-96d7-9610f4ee22a7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7266ed-fa17-4a24-96d7-9610f4ee22a7/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d0713a1238e02d0284b255e77b84c086e26fd99d5533d6977fb0509f2ece092 [2021-11-23 15:58:57,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:57,956 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:57,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:57,961 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:57,962 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:57,965 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7266ed-fa17-4a24-96d7-9610f4ee22a7/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem01_label20.c [2021-11-23 15:58:58,033 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7266ed-fa17-4a24-96d7-9610f4ee22a7/bin/ukojak-CwSLpZB5Qu/data/39a554e5f/e355980791d64ff1a8054f46048963c6/FLAG9d63a1c1e [2021-11-23 15:58:58,684 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:58,684 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7266ed-fa17-4a24-96d7-9610f4ee22a7/sv-benchmarks/c/eca-rers2012/Problem01_label20.c [2021-11-23 15:58:58,700 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7266ed-fa17-4a24-96d7-9610f4ee22a7/bin/ukojak-CwSLpZB5Qu/data/39a554e5f/e355980791d64ff1a8054f46048963c6/FLAG9d63a1c1e [2021-11-23 15:58:58,906 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7266ed-fa17-4a24-96d7-9610f4ee22a7/bin/ukojak-CwSLpZB5Qu/data/39a554e5f/e355980791d64ff1a8054f46048963c6 [2021-11-23 15:58:58,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:58,910 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:58,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:58,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:58,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:58,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:58,919 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b1edb19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58, skipping insertion in model container [2021-11-23 15:58:58,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:58,927 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:58,987 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:59,373 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_7c7266ed-fa17-4a24-96d7-9610f4ee22a7/sv-benchmarks/c/eca-rers2012/Problem01_label20.c[14503,14516] [2021-11-23 15:58:59,426 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:59,437 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:59,524 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_7c7266ed-fa17-4a24-96d7-9610f4ee22a7/sv-benchmarks/c/eca-rers2012/Problem01_label20.c[14503,14516] [2021-11-23 15:58:59,549 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:59,564 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:59,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:59 WrapperNode [2021-11-23 15:58:59,565 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:59,566 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:59,566 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:59,566 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:59,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:59" (1/1) ... [2021-11-23 15:58:59,606 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:59" (1/1) ... [2021-11-23 15:58:59,669 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 655 [2021-11-23 15:58:59,670 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:59,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:58:59,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:58:59,671 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:58:59,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:59" (1/1) ... [2021-11-23 15:58:59,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:59" (1/1) ... [2021-11-23 15:58:59,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:59" (1/1) ... [2021-11-23 15:58:59,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:59" (1/1) ... [2021-11-23 15:58:59,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:59" (1/1) ... [2021-11-23 15:58:59,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:59" (1/1) ... [2021-11-23 15:58:59,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:59" (1/1) ... [2021-11-23 15:58:59,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:58:59,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:58:59,792 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:58:59,793 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:58:59,793 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:59" (1/1) ... [2021-11-23 15:58:59,801 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:59,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7266ed-fa17-4a24-96d7-9610f4ee22a7/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:58:59,830 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7266ed-fa17-4a24-96d7-9610f4ee22a7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:58:59,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7266ed-fa17-4a24-96d7-9610f4ee22a7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:58:59,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:58:59,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:58:59,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:58:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:58:59,983 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:58:59,985 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:59:01,052 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:59:01,106 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 15:59:01,110 INFO L158 Benchmark]: Toolchain (without parser) took 2198.83ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 54.6MB in the beginning and 69.1MB in the end (delta: -14.5MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2021-11-23 15:59:01,111 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 75.5MB. Free memory is still 55.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:01,111 INFO L158 Benchmark]: CACSL2BoogieTranslator took 651.27ms. Allocated memory is still 75.5MB. Free memory was 54.4MB in the beginning and 39.7MB in the end (delta: 14.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:59:01,112 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.31ms. Allocated memory is still 75.5MB. Free memory was 39.7MB in the beginning and 33.8MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:59:01,113 INFO L158 Benchmark]: Boogie Preprocessor took 120.84ms. Allocated memory is still 75.5MB. Free memory was 33.8MB in the beginning and 52.8MB in the end (delta: -19.0MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2021-11-23 15:59:01,114 INFO L158 Benchmark]: RCFGBuilder took 1316.08ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 52.8MB in the beginning and 69.1MB in the end (delta: -16.2MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2021-11-23 15:59:01,117 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 75.5MB. Free memory is still 55.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 651.27ms. Allocated memory is still 75.5MB. Free memory was 54.4MB in the beginning and 39.7MB in the end (delta: 14.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.31ms. Allocated memory is still 75.5MB. Free memory was 39.7MB in the beginning and 33.8MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 120.84ms. Allocated memory is still 75.5MB. Free memory was 33.8MB in the beginning and 52.8MB in the end (delta: -19.0MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1316.08ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 52.8MB in the beginning and 69.1MB in the end (delta: -16.2MB). Peak memory consumption was 39.0MB. 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 15:59:01,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7266ed-fa17-4a24-96d7-9610f4ee22a7/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable