./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem06_label01.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_e57b1b8d-9b42-446e-b93d-17cc669abb31/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e57b1b8d-9b42-446e-b93d-17cc669abb31/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_e57b1b8d-9b42-446e-b93d-17cc669abb31/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e57b1b8d-9b42-446e-b93d-17cc669abb31/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem06_label01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e57b1b8d-9b42-446e-b93d-17cc669abb31/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_e57b1b8d-9b42-446e-b93d-17cc669abb31/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 173ffb2aa4235596187a9f186d01c2f04dfb3a4a1936620bbd10096171bec1ed --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:51:31,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:51:31,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:51:31,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:51:31,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:51:31,793 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:51:31,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:51:31,805 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:51:31,808 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:51:31,813 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:51:31,815 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:51:31,817 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:51:31,817 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:51:31,820 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:51:31,823 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:51:31,826 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:51:31,828 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:51:31,829 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:51:31,834 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:51:31,842 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:51:31,844 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:51:31,845 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:51:31,849 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:51:31,850 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:51:31,859 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:51:31,860 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:51:31,860 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:51:31,862 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:51:31,863 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:51:31,864 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:51:31,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:51:31,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:51:31,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:51:31,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:51:31,872 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:51:31,872 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:51:31,873 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:51:31,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:51:31,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:51:31,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:51:31,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:51:31,876 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e57b1b8d-9b42-446e-b93d-17cc669abb31/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:51:31,919 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:51:31,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:51:31,921 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:51:31,921 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:51:31,922 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:51:31,922 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:51:31,923 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:51:31,923 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:51:31,923 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:51:31,923 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:51:31,924 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:51:31,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:51:31,925 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:51:31,925 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:51:31,926 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:51:31,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:51:31,926 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:51:31,926 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:51:31,927 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:51:31,927 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:51:31,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:51:31,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:31,928 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:51:31,928 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:51:31,928 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:51:31,929 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:51:31,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:51:31,929 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:51:31,930 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_e57b1b8d-9b42-446e-b93d-17cc669abb31/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e57b1b8d-9b42-446e-b93d-17cc669abb31/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 173ffb2aa4235596187a9f186d01c2f04dfb3a4a1936620bbd10096171bec1ed [2021-11-23 15:51:32,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:51:32,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:51:32,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:51:32,301 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:51:32,302 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:51:32,304 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e57b1b8d-9b42-446e-b93d-17cc669abb31/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem06_label01.c [2021-11-23 15:51:32,375 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e57b1b8d-9b42-446e-b93d-17cc669abb31/bin/ukojak-CwSLpZB5Qu/data/cb06f227d/82c63d8c1dab421f8544424732cddebc/FLAG7bb323470 [2021-11-23 15:51:33,404 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:51:33,405 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e57b1b8d-9b42-446e-b93d-17cc669abb31/sv-benchmarks/c/eca-rers2012/Problem06_label01.c [2021-11-23 15:51:33,468 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e57b1b8d-9b42-446e-b93d-17cc669abb31/bin/ukojak-CwSLpZB5Qu/data/cb06f227d/82c63d8c1dab421f8544424732cddebc/FLAG7bb323470 [2021-11-23 15:51:33,741 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e57b1b8d-9b42-446e-b93d-17cc669abb31/bin/ukojak-CwSLpZB5Qu/data/cb06f227d/82c63d8c1dab421f8544424732cddebc [2021-11-23 15:51:33,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:51:33,747 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:51:33,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:33,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:51:33,784 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:51:33,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:33" (1/1) ... [2021-11-23 15:51:33,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6198581b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:33, skipping insertion in model container [2021-11-23 15:51:33,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:33" (1/1) ... [2021-11-23 15:51:33,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:51:34,027 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:51:36,253 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_e57b1b8d-9b42-446e-b93d-17cc669abb31/sv-benchmarks/c/eca-rers2012/Problem06_label01.c[330808,330821] [2021-11-23 15:51:36,290 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:36,302 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:51:37,460 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_e57b1b8d-9b42-446e-b93d-17cc669abb31/sv-benchmarks/c/eca-rers2012/Problem06_label01.c[330808,330821] [2021-11-23 15:51:37,471 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:37,526 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:51:37,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:37 WrapperNode [2021-11-23 15:51:37,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:37,528 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:37,529 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:51:37,529 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:51:37,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:37" (1/1) ... [2021-11-23 15:51:37,631 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:37" (1/1) ... [2021-11-23 15:51:37,944 INFO L137 Inliner]: procedures = 18, calls = 12, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 10173 [2021-11-23 15:51:37,945 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:37,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:51:37,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:51:37,947 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:51:37,956 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:37" (1/1) ... [2021-11-23 15:51:37,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:37" (1/1) ... [2021-11-23 15:51:38,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:37" (1/1) ... [2021-11-23 15:51:38,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:37" (1/1) ... [2021-11-23 15:51:38,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:37" (1/1) ... [2021-11-23 15:51:38,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:37" (1/1) ... [2021-11-23 15:51:38,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:37" (1/1) ... [2021-11-23 15:51:38,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:51:38,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:51:38,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:51:38,570 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:51:38,571 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:37" (1/1) ... [2021-11-23 15:51:38,579 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:38,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e57b1b8d-9b42-446e-b93d-17cc669abb31/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:51:38,644 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e57b1b8d-9b42-446e-b93d-17cc669abb31/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:51:38,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e57b1b8d-9b42-446e-b93d-17cc669abb31/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:51:38,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:51:38,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:51:38,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:51:38,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:51:38,825 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:51:38,827 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:51:45,434 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:51:45,525 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 15:51:45,536 INFO L158 Benchmark]: Toolchain (without parser) took 11786.95ms. Allocated memory was 83.9MB in the beginning and 757.1MB in the end (delta: 673.2MB). Free memory was 34.7MB in the beginning and 426.9MB in the end (delta: -392.2MB). Peak memory consumption was 343.0MB. Max. memory is 16.1GB. [2021-11-23 15:51:45,537 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory was 65.3MB in the beginning and 65.2MB in the end (delta: 85.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:51:45,539 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3777.29ms. Allocated memory was 83.9MB in the beginning and 161.5MB in the end (delta: 77.6MB). Free memory was 34.4MB in the beginning and 59.0MB in the end (delta: -24.5MB). Peak memory consumption was 74.6MB. Max. memory is 16.1GB. [2021-11-23 15:51:45,540 INFO L158 Benchmark]: Boogie Procedure Inliner took 416.32ms. Allocated memory was 161.5MB in the beginning and 249.6MB in the end (delta: 88.1MB). Free memory was 59.0MB in the beginning and 105.2MB in the end (delta: -46.2MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. [2021-11-23 15:51:45,542 INFO L158 Benchmark]: Boogie Preprocessor took 615.54ms. Allocated memory is still 249.6MB. Free memory was 105.2MB in the beginning and 104.0MB in the end (delta: 1.2MB). Peak memory consumption was 68.8MB. Max. memory is 16.1GB. [2021-11-23 15:51:45,543 INFO L158 Benchmark]: RCFGBuilder took 6963.10ms. Allocated memory was 249.6MB in the beginning and 757.1MB in the end (delta: 507.5MB). Free memory was 104.0MB in the beginning and 426.9MB in the end (delta: -322.9MB). Peak memory consumption was 245.4MB. Max. memory is 16.1GB. [2021-11-23 15:51:45,552 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory was 65.3MB in the beginning and 65.2MB in the end (delta: 85.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3777.29ms. Allocated memory was 83.9MB in the beginning and 161.5MB in the end (delta: 77.6MB). Free memory was 34.4MB in the beginning and 59.0MB in the end (delta: -24.5MB). Peak memory consumption was 74.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 416.32ms. Allocated memory was 161.5MB in the beginning and 249.6MB in the end (delta: 88.1MB). Free memory was 59.0MB in the beginning and 105.2MB in the end (delta: -46.2MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 615.54ms. Allocated memory is still 249.6MB. Free memory was 105.2MB in the beginning and 104.0MB in the end (delta: 1.2MB). Peak memory consumption was 68.8MB. Max. memory is 16.1GB. * RCFGBuilder took 6963.10ms. Allocated memory was 249.6MB in the beginning and 757.1MB in the end (delta: 507.5MB). Free memory was 104.0MB in the beginning and 426.9MB in the end (delta: -322.9MB). Peak memory consumption was 245.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:51:45,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e57b1b8d-9b42-446e-b93d-17cc669abb31/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_e57b1b8d-9b42-446e-b93d-17cc669abb31/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e57b1b8d-9b42-446e-b93d-17cc669abb31/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_e57b1b8d-9b42-446e-b93d-17cc669abb31/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e57b1b8d-9b42-446e-b93d-17cc669abb31/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem06_label01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e57b1b8d-9b42-446e-b93d-17cc669abb31/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_e57b1b8d-9b42-446e-b93d-17cc669abb31/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 173ffb2aa4235596187a9f186d01c2f04dfb3a4a1936620bbd10096171bec1ed --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:51:48,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:51:48,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:51:48,049 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:51:48,049 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:51:48,051 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:51:48,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:51:48,056 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:51:48,058 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:51:48,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:51:48,061 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:51:48,063 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:51:48,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:51:48,065 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:51:48,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:51:48,068 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:51:48,069 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:51:48,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:51:48,073 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:51:48,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:51:48,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:51:48,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:51:48,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:51:48,082 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:51:48,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:51:48,086 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:51:48,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:51:48,088 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:51:48,088 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:51:48,090 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:51:48,090 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:51:48,091 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:51:48,092 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:51:48,093 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:51:48,095 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:51:48,095 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:51:48,096 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:51:48,097 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:51:48,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:51:48,098 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:51:48,099 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:51:48,100 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e57b1b8d-9b42-446e-b93d-17cc669abb31/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:51:48,126 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:51:48,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:51:48,131 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:51:48,132 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:51:48,134 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:51:48,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:51:48,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:51:48,134 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:51:48,135 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:51:48,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:51:48,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:51:48,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:51:48,137 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:51:48,137 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:51:48,137 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:51:48,137 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:51:48,137 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:51:48,138 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:51:48,138 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:51:48,138 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:51:48,138 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:51:48,139 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:51:48,139 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:51:48,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:48,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:51:48,140 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:51:48,140 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:51:48,140 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:51:48,140 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:51:48,141 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:51:48,141 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:51:48,141 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:51:48,141 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_e57b1b8d-9b42-446e-b93d-17cc669abb31/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e57b1b8d-9b42-446e-b93d-17cc669abb31/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 173ffb2aa4235596187a9f186d01c2f04dfb3a4a1936620bbd10096171bec1ed [2021-11-23 15:51:48,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:51:48,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:51:48,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:51:48,607 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:51:48,608 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:51:48,610 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e57b1b8d-9b42-446e-b93d-17cc669abb31/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem06_label01.c [2021-11-23 15:51:48,698 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e57b1b8d-9b42-446e-b93d-17cc669abb31/bin/ukojak-CwSLpZB5Qu/data/ffc703b81/cb91abec90d5472e808bb1e6461f9d17/FLAG36bbb29a1 [2021-11-23 15:51:50,007 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:51:50,009 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e57b1b8d-9b42-446e-b93d-17cc669abb31/sv-benchmarks/c/eca-rers2012/Problem06_label01.c [2021-11-23 15:51:50,074 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e57b1b8d-9b42-446e-b93d-17cc669abb31/bin/ukojak-CwSLpZB5Qu/data/ffc703b81/cb91abec90d5472e808bb1e6461f9d17/FLAG36bbb29a1 [2021-11-23 15:51:50,559 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e57b1b8d-9b42-446e-b93d-17cc669abb31/bin/ukojak-CwSLpZB5Qu/data/ffc703b81/cb91abec90d5472e808bb1e6461f9d17 [2021-11-23 15:51:50,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:51:50,566 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:51:50,570 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:50,570 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:51:50,573 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:51:50,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:50" (1/1) ... [2021-11-23 15:51:50,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6300a0f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:50, skipping insertion in model container [2021-11-23 15:51:50,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:50" (1/1) ... [2021-11-23 15:51:50,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:51:50,909 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:51:53,162 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_e57b1b8d-9b42-446e-b93d-17cc669abb31/sv-benchmarks/c/eca-rers2012/Problem06_label01.c[330808,330821] [2021-11-23 15:51:53,221 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:53,235 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:51:54,584 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_e57b1b8d-9b42-446e-b93d-17cc669abb31/sv-benchmarks/c/eca-rers2012/Problem06_label01.c[330808,330821] [2021-11-23 15:51:54,599 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:54,662 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:51:54,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54 WrapperNode [2021-11-23 15:51:54,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:54,664 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:54,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:51:54,665 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:51:54,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:54,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:55,216 INFO L137 Inliner]: procedures = 18, calls = 12, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 10167 [2021-11-23 15:51:55,217 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:55,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:51:55,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:51:55,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:51:55,227 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:55,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:55,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:55,289 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:55,677 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:55,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:55,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:55,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:51:55,894 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:51:55,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:51:55,894 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:51:55,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:55,902 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:55,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e57b1b8d-9b42-446e-b93d-17cc669abb31/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:51:55,956 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e57b1b8d-9b42-446e-b93d-17cc669abb31/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:51:56,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e57b1b8d-9b42-446e-b93d-17cc669abb31/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:51:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:51:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:51:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:51:56,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:51:56,237 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:51:56,239 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:52:05,583 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:52:05,670 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 15:52:05,678 INFO L158 Benchmark]: Toolchain (without parser) took 15109.45ms. Allocated memory was 67.1MB in the beginning and 845.2MB in the end (delta: 778.0MB). Free memory was 34.8MB in the beginning and 536.7MB in the end (delta: -501.9MB). Peak memory consumption was 403.4MB. Max. memory is 16.1GB. [2021-11-23 15:52:05,679 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 50.3MB. Free memory was 30.4MB in the beginning and 30.3MB in the end (delta: 36.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:52:05,681 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4093.70ms. Allocated memory was 67.1MB in the beginning and 205.5MB in the end (delta: 138.4MB). Free memory was 34.5MB in the beginning and 86.2MB in the end (delta: -51.7MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. [2021-11-23 15:52:05,682 INFO L158 Benchmark]: Boogie Procedure Inliner took 552.64ms. Allocated memory is still 205.5MB. Free memory was 86.2MB in the beginning and 78.8MB in the end (delta: 7.4MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. [2021-11-23 15:52:05,684 INFO L158 Benchmark]: Boogie Preprocessor took 675.73ms. Allocated memory was 205.5MB in the beginning and 379.6MB in the end (delta: 174.1MB). Free memory was 78.8MB in the beginning and 240.5MB in the end (delta: -161.7MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2021-11-23 15:52:05,685 INFO L158 Benchmark]: RCFGBuilder took 9780.64ms. Allocated memory was 379.6MB in the beginning and 845.2MB in the end (delta: 465.6MB). Free memory was 240.5MB in the beginning and 536.7MB in the end (delta: -296.2MB). Peak memory consumption was 297.8MB. Max. memory is 16.1GB. [2021-11-23 15:52:05,695 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 50.3MB. Free memory was 30.4MB in the beginning and 30.3MB in the end (delta: 36.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4093.70ms. Allocated memory was 67.1MB in the beginning and 205.5MB in the end (delta: 138.4MB). Free memory was 34.5MB in the beginning and 86.2MB in the end (delta: -51.7MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 552.64ms. Allocated memory is still 205.5MB. Free memory was 86.2MB in the beginning and 78.8MB in the end (delta: 7.4MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 675.73ms. Allocated memory was 205.5MB in the beginning and 379.6MB in the end (delta: 174.1MB). Free memory was 78.8MB in the beginning and 240.5MB in the end (delta: -161.7MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. * RCFGBuilder took 9780.64ms. Allocated memory was 379.6MB in the beginning and 845.2MB in the end (delta: 465.6MB). Free memory was 240.5MB in the beginning and 536.7MB in the end (delta: -296.2MB). Peak memory consumption was 297.8MB. 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 15:52:05,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e57b1b8d-9b42-446e-b93d-17cc669abb31/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