./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem04_label15.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_488dc2ac-18e2-4e5c-abf4-aaf114e5a8c5/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488dc2ac-18e2-4e5c-abf4-aaf114e5a8c5/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_488dc2ac-18e2-4e5c-abf4-aaf114e5a8c5/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488dc2ac-18e2-4e5c-abf4-aaf114e5a8c5/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label15.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488dc2ac-18e2-4e5c-abf4-aaf114e5a8c5/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_488dc2ac-18e2-4e5c-abf4-aaf114e5a8c5/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 4aaf7120b52cc740744d4677b27d4271ebf6aa7f336d79bd7baf0cb79e77cd13 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:54:48,736 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:54:48,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:54:48,803 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:54:48,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:54:48,809 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:54:48,811 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:54:48,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:54:48,817 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:54:48,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:54:48,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:54:48,821 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:54:48,822 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:54:48,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:54:48,825 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:54:48,827 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:54:48,828 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:54:48,830 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:54:48,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:54:48,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:54:48,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:54:48,842 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:54:48,844 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:54:48,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:54:48,850 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:54:48,851 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:54:48,851 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:54:48,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:54:48,853 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:54:48,855 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:54:48,855 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:54:48,857 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:54:48,858 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:54:48,859 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:54:48,860 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:54:48,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:54:48,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:54:48,862 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:54:48,862 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:54:48,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:54:48,864 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:54:48,866 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488dc2ac-18e2-4e5c-abf4-aaf114e5a8c5/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:54:48,893 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:54:48,893 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:54:48,894 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:54:48,895 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:54:48,896 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:54:48,896 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:54:48,896 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:54:48,896 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:54:48,897 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:54:48,897 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:54:48,897 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:54:48,897 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:54:48,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:54:48,898 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:54:48,901 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:54:48,901 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:54:48,901 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:54:48,902 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:54:48,902 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:54:48,902 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:54:48,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:54:48,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:48,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:54:48,904 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:54:48,904 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:54:48,904 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:54:48,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:54:48,905 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:54:48,906 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_488dc2ac-18e2-4e5c-abf4-aaf114e5a8c5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488dc2ac-18e2-4e5c-abf4-aaf114e5a8c5/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4aaf7120b52cc740744d4677b27d4271ebf6aa7f336d79bd7baf0cb79e77cd13 [2021-11-23 15:54:49,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:54:49,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:54:49,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:54:49,234 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:54:49,235 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:54:49,238 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488dc2ac-18e2-4e5c-abf4-aaf114e5a8c5/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem04_label15.c [2021-11-23 15:54:49,346 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488dc2ac-18e2-4e5c-abf4-aaf114e5a8c5/bin/ukojak-CwSLpZB5Qu/data/13c078b8e/889bc82c4ecc47da90d93370bd1b4f51/FLAGd886c9d7e [2021-11-23 15:54:50,274 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:54:50,275 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488dc2ac-18e2-4e5c-abf4-aaf114e5a8c5/sv-benchmarks/c/eca-rers2012/Problem04_label15.c [2021-11-23 15:54:50,304 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488dc2ac-18e2-4e5c-abf4-aaf114e5a8c5/bin/ukojak-CwSLpZB5Qu/data/13c078b8e/889bc82c4ecc47da90d93370bd1b4f51/FLAGd886c9d7e [2021-11-23 15:54:50,698 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488dc2ac-18e2-4e5c-abf4-aaf114e5a8c5/bin/ukojak-CwSLpZB5Qu/data/13c078b8e/889bc82c4ecc47da90d93370bd1b4f51 [2021-11-23 15:54:50,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:54:50,703 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:54:50,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:50,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:54:50,708 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:54:50,709 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:50" (1/1) ... [2021-11-23 15:54:50,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41e5d045 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:50, skipping insertion in model container [2021-11-23 15:54:50,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:50" (1/1) ... [2021-11-23 15:54:50,719 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:54:50,862 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:54:52,430 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_488dc2ac-18e2-4e5c-abf4-aaf114e5a8c5/sv-benchmarks/c/eca-rers2012/Problem04_label15.c[179509,179522] [2021-11-23 15:54:52,458 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:52,471 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:54:53,313 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_488dc2ac-18e2-4e5c-abf4-aaf114e5a8c5/sv-benchmarks/c/eca-rers2012/Problem04_label15.c[179509,179522] [2021-11-23 15:54:53,326 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:53,382 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:54:53,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:53 WrapperNode [2021-11-23 15:54:53,383 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:53,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:53,384 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:54:53,384 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:54:53,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:53" (1/1) ... [2021-11-23 15:54:53,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:53" (1/1) ... [2021-11-23 15:54:53,658 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5572 [2021-11-23 15:54:53,658 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:53,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:54:53,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:54:53,660 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:54:53,669 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:53" (1/1) ... [2021-11-23 15:54:53,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:53" (1/1) ... [2021-11-23 15:54:53,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:53" (1/1) ... [2021-11-23 15:54:53,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:53" (1/1) ... [2021-11-23 15:54:53,874 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:53" (1/1) ... [2021-11-23 15:54:53,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:53" (1/1) ... [2021-11-23 15:54:53,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:53" (1/1) ... [2021-11-23 15:54:53,998 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:54:53,999 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:54:54,000 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:54:54,000 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:54:54,001 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:53" (1/1) ... [2021-11-23 15:54:54,009 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:54,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488dc2ac-18e2-4e5c-abf4-aaf114e5a8c5/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:54:54,041 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488dc2ac-18e2-4e5c-abf4-aaf114e5a8c5/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:54:54,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488dc2ac-18e2-4e5c-abf4-aaf114e5a8c5/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:54:54,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:54:54,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:54:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:54:54,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:54:54,295 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:54:54,297 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:54:59,565 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:54:59,663 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 15:54:59,671 INFO L158 Benchmark]: Toolchain (without parser) took 8965.07ms. Allocated memory was 94.4MB in the beginning and 415.2MB in the end (delta: 320.9MB). Free memory was 62.8MB in the beginning and 288.3MB in the end (delta: -225.4MB). Peak memory consumption was 188.6MB. Max. memory is 16.1GB. [2021-11-23 15:54:59,673 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 94.4MB. Free memory was 64.9MB in the beginning and 64.9MB in the end (delta: 21.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:54:59,675 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2678.21ms. Allocated memory was 94.4MB in the beginning and 167.8MB in the end (delta: 73.4MB). Free memory was 62.4MB in the beginning and 112.4MB in the end (delta: -49.9MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2021-11-23 15:54:59,677 INFO L158 Benchmark]: Boogie Procedure Inliner took 275.12ms. Allocated memory is still 167.8MB. Free memory was 112.4MB in the beginning and 74.6MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-11-23 15:54:59,678 INFO L158 Benchmark]: Boogie Preprocessor took 339.14ms. Allocated memory is still 167.8MB. Free memory was 73.8MB in the beginning and 72.7MB in the end (delta: 1.2MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2021-11-23 15:54:59,680 INFO L158 Benchmark]: RCFGBuilder took 5667.39ms. Allocated memory was 167.8MB in the beginning and 415.2MB in the end (delta: 247.5MB). Free memory was 72.7MB in the beginning and 288.3MB in the end (delta: -215.6MB). Peak memory consumption was 125.0MB. Max. memory is 16.1GB. [2021-11-23 15:54:59,692 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 94.4MB. Free memory was 64.9MB in the beginning and 64.9MB in the end (delta: 21.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2678.21ms. Allocated memory was 94.4MB in the beginning and 167.8MB in the end (delta: 73.4MB). Free memory was 62.4MB in the beginning and 112.4MB in the end (delta: -49.9MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 275.12ms. Allocated memory is still 167.8MB. Free memory was 112.4MB in the beginning and 74.6MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 339.14ms. Allocated memory is still 167.8MB. Free memory was 73.8MB in the beginning and 72.7MB in the end (delta: 1.2MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. * RCFGBuilder took 5667.39ms. Allocated memory was 167.8MB in the beginning and 415.2MB in the end (delta: 247.5MB). Free memory was 72.7MB in the beginning and 288.3MB in the end (delta: -215.6MB). Peak memory consumption was 125.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:54:59,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488dc2ac-18e2-4e5c-abf4-aaf114e5a8c5/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_488dc2ac-18e2-4e5c-abf4-aaf114e5a8c5/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488dc2ac-18e2-4e5c-abf4-aaf114e5a8c5/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_488dc2ac-18e2-4e5c-abf4-aaf114e5a8c5/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488dc2ac-18e2-4e5c-abf4-aaf114e5a8c5/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label15.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488dc2ac-18e2-4e5c-abf4-aaf114e5a8c5/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_488dc2ac-18e2-4e5c-abf4-aaf114e5a8c5/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 4aaf7120b52cc740744d4677b27d4271ebf6aa7f336d79bd7baf0cb79e77cd13 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:02,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:02,862 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:02,922 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:02,923 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:02,928 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:02,932 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:02,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:02,946 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:02,955 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:02,960 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:02,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:02,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:02,967 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:02,969 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:02,972 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:02,974 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:02,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:02,982 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:02,987 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:02,993 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:02,995 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:02,998 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:03,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:03,007 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:03,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:03,008 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:03,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:03,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:03,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:03,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:03,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:03,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:03,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:03,018 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:03,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:03,019 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:03,019 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:03,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:03,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:03,022 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:03,028 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488dc2ac-18e2-4e5c-abf4-aaf114e5a8c5/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:55:03,071 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:03,071 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:03,073 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:03,073 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:03,074 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:03,075 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:03,075 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:03,075 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:03,076 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:03,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:03,077 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:03,077 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:03,077 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:03,078 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:55:03,078 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:55:03,078 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:55:03,078 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:03,079 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:03,079 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:03,079 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:03,079 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:03,080 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:03,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:03,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:03,080 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:03,081 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:03,081 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:03,081 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:55:03,081 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:55:03,082 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:03,082 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:55:03,082 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:55:03,083 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_488dc2ac-18e2-4e5c-abf4-aaf114e5a8c5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488dc2ac-18e2-4e5c-abf4-aaf114e5a8c5/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4aaf7120b52cc740744d4677b27d4271ebf6aa7f336d79bd7baf0cb79e77cd13 [2021-11-23 15:55:03,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:03,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:03,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:03,557 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:03,563 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:03,564 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488dc2ac-18e2-4e5c-abf4-aaf114e5a8c5/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem04_label15.c [2021-11-23 15:55:03,643 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488dc2ac-18e2-4e5c-abf4-aaf114e5a8c5/bin/ukojak-CwSLpZB5Qu/data/ab97069b0/39c20a90b5d646d38283dbe372c0a97e/FLAGd0d859550 [2021-11-23 15:55:04,805 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:04,807 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488dc2ac-18e2-4e5c-abf4-aaf114e5a8c5/sv-benchmarks/c/eca-rers2012/Problem04_label15.c [2021-11-23 15:55:04,847 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488dc2ac-18e2-4e5c-abf4-aaf114e5a8c5/bin/ukojak-CwSLpZB5Qu/data/ab97069b0/39c20a90b5d646d38283dbe372c0a97e/FLAGd0d859550 [2021-11-23 15:55:05,164 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488dc2ac-18e2-4e5c-abf4-aaf114e5a8c5/bin/ukojak-CwSLpZB5Qu/data/ab97069b0/39c20a90b5d646d38283dbe372c0a97e [2021-11-23 15:55:05,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:05,168 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:05,170 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:05,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:05,174 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:05,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:05" (1/1) ... [2021-11-23 15:55:05,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@669a40b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:05, skipping insertion in model container [2021-11-23 15:55:05,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:05" (1/1) ... [2021-11-23 15:55:05,188 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:05,370 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:06,916 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_488dc2ac-18e2-4e5c-abf4-aaf114e5a8c5/sv-benchmarks/c/eca-rers2012/Problem04_label15.c[179509,179522] [2021-11-23 15:55:06,939 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:06,953 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:07,794 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_488dc2ac-18e2-4e5c-abf4-aaf114e5a8c5/sv-benchmarks/c/eca-rers2012/Problem04_label15.c[179509,179522] [2021-11-23 15:55:07,809 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:07,845 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:07,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:07 WrapperNode [2021-11-23 15:55:07,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:07,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:07,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:07,848 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:07,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:07" (1/1) ... [2021-11-23 15:55:07,957 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:07" (1/1) ... [2021-11-23 15:55:08,285 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5567 [2021-11-23 15:55:08,285 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:08,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:08,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:08,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:08,296 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:07" (1/1) ... [2021-11-23 15:55:08,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:07" (1/1) ... [2021-11-23 15:55:08,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:07" (1/1) ... [2021-11-23 15:55:08,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:07" (1/1) ... [2021-11-23 15:55:08,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:07" (1/1) ... [2021-11-23 15:55:08,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:07" (1/1) ... [2021-11-23 15:55:08,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:07" (1/1) ... [2021-11-23 15:55:08,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:08,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:08,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:08,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:08,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:07" (1/1) ... [2021-11-23 15:55:08,841 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:08,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488dc2ac-18e2-4e5c-abf4-aaf114e5a8c5/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:08,868 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488dc2ac-18e2-4e5c-abf4-aaf114e5a8c5/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:08,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488dc2ac-18e2-4e5c-abf4-aaf114e5a8c5/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:08,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:08,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:55:08,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:08,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:09,015 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:09,017 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:15,741 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:55:15,820 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 15:55:15,828 INFO L158 Benchmark]: Toolchain (without parser) took 10657.42ms. Allocated memory was 58.7MB in the beginning and 444.6MB in the end (delta: 385.9MB). Free memory was 32.2MB in the beginning and 240.0MB in the end (delta: -207.8MB). Peak memory consumption was 277.2MB. Max. memory is 16.1GB. [2021-11-23 15:55:15,829 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 58.7MB. Free memory is still 39.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:15,831 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2677.18ms. Allocated memory was 58.7MB in the beginning and 111.1MB in the end (delta: 52.4MB). Free memory was 32.0MB in the beginning and 49.4MB in the end (delta: -17.3MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:15,831 INFO L158 Benchmark]: Boogie Procedure Inliner took 437.40ms. Allocated memory is still 111.1MB. Free memory was 49.4MB in the beginning and 39.0MB in the end (delta: 10.4MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2021-11-23 15:55:15,832 INFO L158 Benchmark]: Boogie Preprocessor took 536.02ms. Allocated memory was 111.1MB in the beginning and 222.3MB in the end (delta: 111.1MB). Free memory was 39.0MB in the beginning and 135.8MB in the end (delta: -96.8MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:15,833 INFO L158 Benchmark]: RCFGBuilder took 6994.01ms. Allocated memory was 222.3MB in the beginning and 444.6MB in the end (delta: 222.3MB). Free memory was 135.8MB in the beginning and 240.0MB in the end (delta: -104.2MB). Peak memory consumption was 217.3MB. Max. memory is 16.1GB. [2021-11-23 15:55:15,842 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 58.7MB. Free memory is still 39.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2677.18ms. Allocated memory was 58.7MB in the beginning and 111.1MB in the end (delta: 52.4MB). Free memory was 32.0MB in the beginning and 49.4MB in the end (delta: -17.3MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 437.40ms. Allocated memory is still 111.1MB. Free memory was 49.4MB in the beginning and 39.0MB in the end (delta: 10.4MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 536.02ms. Allocated memory was 111.1MB in the beginning and 222.3MB in the end (delta: 111.1MB). Free memory was 39.0MB in the beginning and 135.8MB in the end (delta: -96.8MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * RCFGBuilder took 6994.01ms. Allocated memory was 222.3MB in the beginning and 444.6MB in the end (delta: 222.3MB). Free memory was 135.8MB in the beginning and 240.0MB in the end (delta: -104.2MB). Peak memory consumption was 217.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:55:15,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488dc2ac-18e2-4e5c-abf4-aaf114e5a8c5/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