./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem17_label04.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_e4f6bb18-0ee4-4e2c-a2e1-255a807c2bd6/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6bb18-0ee4-4e2c-a2e1-255a807c2bd6/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_e4f6bb18-0ee4-4e2c-a2e1-255a807c2bd6/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6bb18-0ee4-4e2c-a2e1-255a807c2bd6/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem17_label04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6bb18-0ee4-4e2c-a2e1-255a807c2bd6/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_e4f6bb18-0ee4-4e2c-a2e1-255a807c2bd6/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 49e10e55e7f24ac0e1cc4811d9fd20f6e770a7f556bf19e67f8acc4167c82fd3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:38:30,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:38:30,893 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:38:30,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:38:30,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:38:30,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:38:30,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:38:30,934 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:38:30,936 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:38:30,937 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:38:30,939 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:38:30,940 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:38:30,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:38:30,942 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:38:30,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:38:30,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:38:30,947 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:38:30,948 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:38:30,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:38:30,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:38:30,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:38:30,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:38:30,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:38:30,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:38:30,965 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:38:30,965 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:38:30,966 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:38:30,967 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:38:30,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:38:30,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:38:30,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:38:30,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:38:30,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:38:30,973 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:38:30,974 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:38:30,975 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:38:30,976 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:38:30,976 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:38:30,977 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:38:30,978 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:38:30,979 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:38:30,980 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6bb18-0ee4-4e2c-a2e1-255a807c2bd6/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:38:31,006 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:38:31,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:38:31,008 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:38:31,008 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:38:31,009 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:38:31,009 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:38:31,010 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:38:31,010 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:38:31,010 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:38:31,010 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:38:31,011 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:38:31,011 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:38:31,011 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:38:31,011 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:38:31,011 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:38:31,012 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:38:31,012 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:38:31,012 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:38:31,012 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:38:31,012 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:38:31,013 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:38:31,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:38:31,013 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:38:31,013 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:38:31,013 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:38:31,014 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:38:31,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:38:31,014 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:38:31,014 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_e4f6bb18-0ee4-4e2c-a2e1-255a807c2bd6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6bb18-0ee4-4e2c-a2e1-255a807c2bd6/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49e10e55e7f24ac0e1cc4811d9fd20f6e770a7f556bf19e67f8acc4167c82fd3 [2021-11-23 15:38:31,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:38:31,325 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:38:31,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:38:31,330 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:38:31,331 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:38:31,333 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6bb18-0ee4-4e2c-a2e1-255a807c2bd6/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem17_label04.c [2021-11-23 15:38:31,403 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6bb18-0ee4-4e2c-a2e1-255a807c2bd6/bin/ukojak-CwSLpZB5Qu/data/e2fe4881c/b594be239295423b821b834b6df1c848/FLAG7ea2ca15b [2021-11-23 15:38:32,226 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:38:32,227 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6bb18-0ee4-4e2c-a2e1-255a807c2bd6/sv-benchmarks/c/eca-rers2012/Problem17_label04.c [2021-11-23 15:38:32,264 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6bb18-0ee4-4e2c-a2e1-255a807c2bd6/bin/ukojak-CwSLpZB5Qu/data/e2fe4881c/b594be239295423b821b834b6df1c848/FLAG7ea2ca15b [2021-11-23 15:38:32,722 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6bb18-0ee4-4e2c-a2e1-255a807c2bd6/bin/ukojak-CwSLpZB5Qu/data/e2fe4881c/b594be239295423b821b834b6df1c848 [2021-11-23 15:38:32,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:38:32,727 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:38:32,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:38:32,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:38:32,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:38:32,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:32" (1/1) ... [2021-11-23 15:38:32,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@444731c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:32, skipping insertion in model container [2021-11-23 15:38:32,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:32" (1/1) ... [2021-11-23 15:38:32,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:38:32,864 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:38:33,061 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_e4f6bb18-0ee4-4e2c-a2e1-255a807c2bd6/sv-benchmarks/c/eca-rers2012/Problem17_label04.c[3138,3151] [2021-11-23 15:38:33,803 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:38:33,812 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:38:33,853 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_e4f6bb18-0ee4-4e2c-a2e1-255a807c2bd6/sv-benchmarks/c/eca-rers2012/Problem17_label04.c[3138,3151] [2021-11-23 15:38:34,267 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:38:34,289 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:38:34,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:34 WrapperNode [2021-11-23 15:38:34,290 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:38:34,292 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:38:34,292 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:38:34,294 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:38:34,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:34" (1/1) ... [2021-11-23 15:38:34,374 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:34" (1/1) ... [2021-11-23 15:38:34,706 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 2611 [2021-11-23 15:38:34,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:38:34,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:38:34,708 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:38:34,708 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:38:34,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:34" (1/1) ... [2021-11-23 15:38:34,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:34" (1/1) ... [2021-11-23 15:38:34,766 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:34" (1/1) ... [2021-11-23 15:38:34,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:34" (1/1) ... [2021-11-23 15:38:34,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:34" (1/1) ... [2021-11-23 15:38:35,017 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:34" (1/1) ... [2021-11-23 15:38:35,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:34" (1/1) ... [2021-11-23 15:38:35,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:38:35,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:38:35,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:38:35,147 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:38:35,148 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:34" (1/1) ... [2021-11-23 15:38:35,155 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:38:35,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6bb18-0ee4-4e2c-a2e1-255a807c2bd6/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:38:35,184 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6bb18-0ee4-4e2c-a2e1-255a807c2bd6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:38:35,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6bb18-0ee4-4e2c-a2e1-255a807c2bd6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:38:35,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:38:35,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:38:35,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:38:35,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:38:35,311 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:38:35,312 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:38:39,367 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:38:39,469 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 15:38:39,481 INFO L158 Benchmark]: Toolchain (without parser) took 6751.90ms. Allocated memory was 119.5MB in the beginning and 411.0MB in the end (delta: 291.5MB). Free memory was 91.6MB in the beginning and 309.1MB in the end (delta: -217.5MB). Peak memory consumption was 193.1MB. Max. memory is 16.1GB. [2021-11-23 15:38:39,483 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 88.1MB. Free memory was 65.7MB in the beginning and 65.6MB in the end (delta: 40.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:38:39,485 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1561.19ms. Allocated memory is still 119.5MB. Free memory was 91.1MB in the beginning and 65.4MB in the end (delta: 25.7MB). Peak memory consumption was 81.4MB. Max. memory is 16.1GB. [2021-11-23 15:38:39,487 INFO L158 Benchmark]: Boogie Procedure Inliner took 415.01ms. Allocated memory was 119.5MB in the beginning and 230.7MB in the end (delta: 111.1MB). Free memory was 65.4MB in the beginning and 149.4MB in the end (delta: -84.0MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. [2021-11-23 15:38:39,488 INFO L158 Benchmark]: Boogie Preprocessor took 437.07ms. Allocated memory is still 230.7MB. Free memory was 149.4MB in the beginning and 119.9MB in the end (delta: 29.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-11-23 15:38:39,489 INFO L158 Benchmark]: RCFGBuilder took 4331.55ms. Allocated memory was 230.7MB in the beginning and 411.0MB in the end (delta: 180.4MB). Free memory was 119.9MB in the beginning and 309.1MB in the end (delta: -189.2MB). Peak memory consumption was 108.9MB. Max. memory is 16.1GB. [2021-11-23 15:38:39,500 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 88.1MB. Free memory was 65.7MB in the beginning and 65.6MB in the end (delta: 40.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1561.19ms. Allocated memory is still 119.5MB. Free memory was 91.1MB in the beginning and 65.4MB in the end (delta: 25.7MB). Peak memory consumption was 81.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 415.01ms. Allocated memory was 119.5MB in the beginning and 230.7MB in the end (delta: 111.1MB). Free memory was 65.4MB in the beginning and 149.4MB in the end (delta: -84.0MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 437.07ms. Allocated memory is still 230.7MB. Free memory was 149.4MB in the beginning and 119.9MB in the end (delta: 29.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4331.55ms. Allocated memory was 230.7MB in the beginning and 411.0MB in the end (delta: 180.4MB). Free memory was 119.9MB in the beginning and 309.1MB in the end (delta: -189.2MB). Peak memory consumption was 108.9MB. 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 15:38:39,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6bb18-0ee4-4e2c-a2e1-255a807c2bd6/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_e4f6bb18-0ee4-4e2c-a2e1-255a807c2bd6/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6bb18-0ee4-4e2c-a2e1-255a807c2bd6/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_e4f6bb18-0ee4-4e2c-a2e1-255a807c2bd6/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6bb18-0ee4-4e2c-a2e1-255a807c2bd6/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem17_label04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6bb18-0ee4-4e2c-a2e1-255a807c2bd6/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_e4f6bb18-0ee4-4e2c-a2e1-255a807c2bd6/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 49e10e55e7f24ac0e1cc4811d9fd20f6e770a7f556bf19e67f8acc4167c82fd3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:38:42,035 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:38:42,039 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:38:42,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:38:42,093 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:38:42,097 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:38:42,100 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:38:42,104 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:38:42,107 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:38:42,113 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:38:42,117 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:38:42,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:38:42,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:38:42,123 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:38:42,125 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:38:42,131 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:38:42,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:38:42,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:38:42,137 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:38:42,147 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:38:42,149 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:38:42,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:38:42,153 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:38:42,155 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:38:42,163 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:38:42,164 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:38:42,164 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:38:42,166 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:38:42,167 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:38:42,168 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:38:42,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:38:42,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:38:42,171 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:38:42,172 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:38:42,190 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:38:42,190 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:38:42,191 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:38:42,192 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:38:42,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:38:42,194 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:38:42,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:38:42,200 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6bb18-0ee4-4e2c-a2e1-255a807c2bd6/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:38:42,242 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:38:42,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:38:42,243 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:38:42,243 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:38:42,245 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:38:42,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:38:42,245 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:38:42,246 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:38:42,246 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:38:42,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:38:42,247 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:38:42,247 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:38:42,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:38:42,248 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:38:42,248 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:38:42,248 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:38:42,249 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:38:42,249 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:38:42,249 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:38:42,249 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:38:42,249 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:38:42,250 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:38:42,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:38:42,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:38:42,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:38:42,251 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:38:42,251 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:38:42,251 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:38:42,251 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:38:42,252 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:38:42,252 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:38:42,252 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:38:42,252 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_e4f6bb18-0ee4-4e2c-a2e1-255a807c2bd6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6bb18-0ee4-4e2c-a2e1-255a807c2bd6/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49e10e55e7f24ac0e1cc4811d9fd20f6e770a7f556bf19e67f8acc4167c82fd3 [2021-11-23 15:38:42,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:38:42,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:38:42,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:38:42,654 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:38:42,655 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:38:42,658 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6bb18-0ee4-4e2c-a2e1-255a807c2bd6/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem17_label04.c [2021-11-23 15:38:42,738 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6bb18-0ee4-4e2c-a2e1-255a807c2bd6/bin/ukojak-CwSLpZB5Qu/data/57e47449d/98e66b9dc0904f099e4d299149d8c48a/FLAG49abf3402 [2021-11-23 15:38:43,611 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:38:43,612 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6bb18-0ee4-4e2c-a2e1-255a807c2bd6/sv-benchmarks/c/eca-rers2012/Problem17_label04.c [2021-11-23 15:38:43,645 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6bb18-0ee4-4e2c-a2e1-255a807c2bd6/bin/ukojak-CwSLpZB5Qu/data/57e47449d/98e66b9dc0904f099e4d299149d8c48a/FLAG49abf3402 [2021-11-23 15:38:43,667 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6bb18-0ee4-4e2c-a2e1-255a807c2bd6/bin/ukojak-CwSLpZB5Qu/data/57e47449d/98e66b9dc0904f099e4d299149d8c48a [2021-11-23 15:38:43,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:38:43,672 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:38:43,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:38:43,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:38:43,679 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:38:43,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:43" (1/1) ... [2021-11-23 15:38:43,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f442c05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:43, skipping insertion in model container [2021-11-23 15:38:43,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:43" (1/1) ... [2021-11-23 15:38:43,690 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:38:43,808 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:38:44,041 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_e4f6bb18-0ee4-4e2c-a2e1-255a807c2bd6/sv-benchmarks/c/eca-rers2012/Problem17_label04.c[3138,3151] [2021-11-23 15:38:44,993 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:38:45,005 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:38:45,054 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_e4f6bb18-0ee4-4e2c-a2e1-255a807c2bd6/sv-benchmarks/c/eca-rers2012/Problem17_label04.c[3138,3151] [2021-11-23 15:38:45,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:38:45,494 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:38:45,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:45 WrapperNode [2021-11-23 15:38:45,495 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:38:45,497 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:38:45,497 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:38:45,497 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:38:45,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:45" (1/1) ... [2021-11-23 15:38:45,585 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:45" (1/1) ... [2021-11-23 15:38:45,788 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 2608 [2021-11-23 15:38:45,789 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:38:45,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:38:45,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:38:45,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:38:45,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:45" (1/1) ... [2021-11-23 15:38:45,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:45" (1/1) ... [2021-11-23 15:38:45,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:45" (1/1) ... [2021-11-23 15:38:45,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:45" (1/1) ... [2021-11-23 15:38:45,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:45" (1/1) ... [2021-11-23 15:38:45,938 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:45" (1/1) ... [2021-11-23 15:38:45,953 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:45" (1/1) ... [2021-11-23 15:38:46,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:38:46,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:38:46,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:38:46,027 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:38:46,028 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:45" (1/1) ... [2021-11-23 15:38:46,042 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:38:46,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6bb18-0ee4-4e2c-a2e1-255a807c2bd6/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:38:46,066 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6bb18-0ee4-4e2c-a2e1-255a807c2bd6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:38:46,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6bb18-0ee4-4e2c-a2e1-255a807c2bd6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:38:46,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:38:46,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:38:46,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:38:46,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:38:46,191 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:38:46,193 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:39:21,650 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:39:21,705 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:39:21,710 INFO L158 Benchmark]: Toolchain (without parser) took 38036.14ms. Allocated memory was 65.0MB in the beginning and 190.8MB in the end (delta: 125.8MB). Free memory was 36.0MB in the beginning and 95.1MB in the end (delta: -59.1MB). Peak memory consumption was 107.3MB. Max. memory is 16.1GB. [2021-11-23 15:39:21,710 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 65.0MB. Free memory is still 45.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:39:21,712 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1820.59ms. Allocated memory was 65.0MB in the beginning and 100.7MB in the end (delta: 35.7MB). Free memory was 35.8MB in the beginning and 50.6MB in the end (delta: -14.8MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2021-11-23 15:39:21,713 INFO L158 Benchmark]: Boogie Procedure Inliner took 292.44ms. Allocated memory is still 100.7MB. Free memory was 50.6MB in the beginning and 49.6MB in the end (delta: 925.4kB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2021-11-23 15:39:21,714 INFO L158 Benchmark]: Boogie Preprocessor took 236.11ms. Allocated memory is still 100.7MB. Free memory was 49.6MB in the beginning and 46.6MB in the end (delta: 3.0MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2021-11-23 15:39:21,715 INFO L158 Benchmark]: RCFGBuilder took 35680.94ms. Allocated memory was 100.7MB in the beginning and 190.8MB in the end (delta: 90.2MB). Free memory was 46.3MB in the beginning and 95.1MB in the end (delta: -48.8MB). Peak memory consumption was 80.9MB. Max. memory is 16.1GB. [2021-11-23 15:39:21,719 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 65.0MB. Free memory is still 45.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1820.59ms. Allocated memory was 65.0MB in the beginning and 100.7MB in the end (delta: 35.7MB). Free memory was 35.8MB in the beginning and 50.6MB in the end (delta: -14.8MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 292.44ms. Allocated memory is still 100.7MB. Free memory was 50.6MB in the beginning and 49.6MB in the end (delta: 925.4kB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 236.11ms. Allocated memory is still 100.7MB. Free memory was 49.6MB in the beginning and 46.6MB in the end (delta: 3.0MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. * RCFGBuilder took 35680.94ms. Allocated memory was 100.7MB in the beginning and 190.8MB in the end (delta: 90.2MB). Free memory was 46.3MB in the beginning and 95.1MB in the end (delta: -48.8MB). Peak memory consumption was 80.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:39:21,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6bb18-0ee4-4e2c-a2e1-255a807c2bd6/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