./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem17_label23.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_4d7c0e98-ddfa-4045-993a-9965aee9a642/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7c0e98-ddfa-4045-993a-9965aee9a642/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_4d7c0e98-ddfa-4045-993a-9965aee9a642/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7c0e98-ddfa-4045-993a-9965aee9a642/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem17_label23.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7c0e98-ddfa-4045-993a-9965aee9a642/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_4d7c0e98-ddfa-4045-993a-9965aee9a642/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 b6a3c97d212c5da9fd8322cf568d9e152410da494dc81afa8e10ab2614b0e804 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:52:34,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:52:34,950 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:52:35,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:52:35,006 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:52:35,011 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:52:35,012 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:52:35,016 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:52:35,019 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:52:35,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:52:35,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:52:35,027 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:52:35,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:52:35,031 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:52:35,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:52:35,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:52:35,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:52:35,043 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:52:35,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:52:35,052 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:52:35,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:52:35,056 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:52:35,059 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:52:35,060 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:52:35,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:52:35,069 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:52:35,070 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:52:35,072 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:52:35,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:52:35,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:52:35,075 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:52:35,076 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:52:35,078 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:52:35,079 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:52:35,080 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:52:35,081 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:52:35,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:52:35,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:52:35,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:52:35,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:52:35,083 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:52:35,084 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7c0e98-ddfa-4045-993a-9965aee9a642/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:52:35,127 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:52:35,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:52:35,129 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:52:35,130 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:52:35,130 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:52:35,131 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:52:35,131 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:52:35,131 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:52:35,139 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:52:35,139 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:52:35,140 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:52:35,140 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:52:35,141 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:52:35,141 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:52:35,141 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:52:35,141 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:52:35,141 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:52:35,142 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:52:35,142 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:52:35,142 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:52:35,142 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:52:35,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:35,143 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:52:35,143 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:52:35,143 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:52:35,144 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:52:35,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:52:35,144 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:52:35,144 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_4d7c0e98-ddfa-4045-993a-9965aee9a642/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7c0e98-ddfa-4045-993a-9965aee9a642/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6a3c97d212c5da9fd8322cf568d9e152410da494dc81afa8e10ab2614b0e804 [2021-11-23 15:52:35,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:52:35,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:52:35,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:52:35,480 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:52:35,483 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:52:35,484 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7c0e98-ddfa-4045-993a-9965aee9a642/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem17_label23.c [2021-11-23 15:52:35,556 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7c0e98-ddfa-4045-993a-9965aee9a642/bin/ukojak-CwSLpZB5Qu/data/351f6d1f9/944968330c5b4fc0bc39feed0ed9886e/FLAGe18ae69b1 [2021-11-23 15:52:36,293 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:52:36,294 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7c0e98-ddfa-4045-993a-9965aee9a642/sv-benchmarks/c/eca-rers2012/Problem17_label23.c [2021-11-23 15:52:36,321 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7c0e98-ddfa-4045-993a-9965aee9a642/bin/ukojak-CwSLpZB5Qu/data/351f6d1f9/944968330c5b4fc0bc39feed0ed9886e/FLAGe18ae69b1 [2021-11-23 15:52:36,387 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7c0e98-ddfa-4045-993a-9965aee9a642/bin/ukojak-CwSLpZB5Qu/data/351f6d1f9/944968330c5b4fc0bc39feed0ed9886e [2021-11-23 15:52:36,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:52:36,391 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:52:36,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:36,395 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:52:36,398 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:52:36,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:36" (1/1) ... [2021-11-23 15:52:36,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f27cd5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:36, skipping insertion in model container [2021-11-23 15:52:36,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:36" (1/1) ... [2021-11-23 15:52:36,407 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:52:36,513 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:52:36,803 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_4d7c0e98-ddfa-4045-993a-9965aee9a642/sv-benchmarks/c/eca-rers2012/Problem17_label23.c[3293,3306] [2021-11-23 15:52:37,562 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:37,571 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:52:37,604 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_4d7c0e98-ddfa-4045-993a-9965aee9a642/sv-benchmarks/c/eca-rers2012/Problem17_label23.c[3293,3306] [2021-11-23 15:52:38,069 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:38,087 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:52:38,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38 WrapperNode [2021-11-23 15:52:38,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:38,089 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:38,090 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:52:38,091 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:52:38,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:38,154 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:38,459 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 2611 [2021-11-23 15:52:38,459 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:38,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:52:38,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:52:38,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:52:38,469 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:38,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:38,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:38,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:38,781 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:38,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:38,833 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:38,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:52:38,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:52:38,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:52:38,894 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:52:38,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:38,907 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:38,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7c0e98-ddfa-4045-993a-9965aee9a642/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:52:38,930 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7c0e98-ddfa-4045-993a-9965aee9a642/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:52:38,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7c0e98-ddfa-4045-993a-9965aee9a642/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:52:38,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:52:38,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:52:38,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:52:38,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:52:39,054 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:52:39,056 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:52:43,095 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:52:43,139 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:52:43,147 INFO L158 Benchmark]: Toolchain (without parser) took 6753.16ms. Allocated memory was 109.1MB in the beginning and 499.1MB in the end (delta: 390.1MB). Free memory was 81.6MB in the beginning and 333.7MB in the end (delta: -252.0MB). Peak memory consumption was 181.4MB. Max. memory is 16.1GB. [2021-11-23 15:52:43,147 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:52:43,150 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1694.11ms. Allocated memory was 109.1MB in the beginning and 155.2MB in the end (delta: 46.1MB). Free memory was 81.6MB in the beginning and 96.4MB in the end (delta: -14.8MB). Peak memory consumption was 69.7MB. Max. memory is 16.1GB. [2021-11-23 15:52:43,151 INFO L158 Benchmark]: Boogie Procedure Inliner took 370.09ms. Allocated memory is still 155.2MB. Free memory was 96.4MB in the beginning and 65.7MB in the end (delta: 30.7MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. [2021-11-23 15:52:43,152 INFO L158 Benchmark]: Boogie Preprocessor took 432.01ms. Allocated memory was 155.2MB in the beginning and 249.6MB in the end (delta: 94.4MB). Free memory was 65.7MB in the beginning and 150.4MB in the end (delta: -84.7MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2021-11-23 15:52:43,153 INFO L158 Benchmark]: RCFGBuilder took 4250.74ms. Allocated memory was 249.6MB in the beginning and 499.1MB in the end (delta: 249.6MB). Free memory was 150.4MB in the beginning and 333.7MB in the end (delta: -183.2MB). Peak memory consumption was 110.0MB. Max. memory is 16.1GB. [2021-11-23 15:52:43,162 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1694.11ms. Allocated memory was 109.1MB in the beginning and 155.2MB in the end (delta: 46.1MB). Free memory was 81.6MB in the beginning and 96.4MB in the end (delta: -14.8MB). Peak memory consumption was 69.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 370.09ms. Allocated memory is still 155.2MB. Free memory was 96.4MB in the beginning and 65.7MB in the end (delta: 30.7MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 432.01ms. Allocated memory was 155.2MB in the beginning and 249.6MB in the end (delta: 94.4MB). Free memory was 65.7MB in the beginning and 150.4MB in the end (delta: -84.7MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. * RCFGBuilder took 4250.74ms. Allocated memory was 249.6MB in the beginning and 499.1MB in the end (delta: 249.6MB). Free memory was 150.4MB in the beginning and 333.7MB in the end (delta: -183.2MB). Peak memory consumption was 110.0MB. 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 15:52:43,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7c0e98-ddfa-4045-993a-9965aee9a642/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_4d7c0e98-ddfa-4045-993a-9965aee9a642/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7c0e98-ddfa-4045-993a-9965aee9a642/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_4d7c0e98-ddfa-4045-993a-9965aee9a642/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7c0e98-ddfa-4045-993a-9965aee9a642/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem17_label23.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7c0e98-ddfa-4045-993a-9965aee9a642/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_4d7c0e98-ddfa-4045-993a-9965aee9a642/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 b6a3c97d212c5da9fd8322cf568d9e152410da494dc81afa8e10ab2614b0e804 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:52:45,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:52:45,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:52:45,616 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:52:45,617 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:52:45,618 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:52:45,620 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:52:45,623 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:52:45,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:52:45,626 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:52:45,627 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:52:45,628 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:52:45,629 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:52:45,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:52:45,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:52:45,633 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:52:45,634 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:52:45,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:52:45,663 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:52:45,666 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:52:45,668 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:52:45,669 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:52:45,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:52:45,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:52:45,675 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:52:45,675 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:52:45,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:52:45,676 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:52:45,677 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:52:45,678 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:52:45,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:52:45,679 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:52:45,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:52:45,681 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:52:45,682 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:52:45,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:52:45,683 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:52:45,684 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:52:45,684 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:52:45,685 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:52:45,686 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:52:45,687 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7c0e98-ddfa-4045-993a-9965aee9a642/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:52:45,713 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:52:45,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:52:45,714 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:52:45,714 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:52:45,715 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:52:45,715 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:52:45,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:52:45,715 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:52:45,716 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:52:45,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:52:45,716 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:52:45,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:52:45,716 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:52:45,717 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:52:45,717 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:52:45,717 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:52:45,717 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:52:45,717 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:52:45,717 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:52:45,718 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:52:45,718 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:52:45,718 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:52:45,718 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:52:45,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:45,719 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:52:45,719 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:52:45,719 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:52:45,719 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:52:45,719 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:52:45,720 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:52:45,720 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:52:45,720 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:52:45,720 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_4d7c0e98-ddfa-4045-993a-9965aee9a642/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7c0e98-ddfa-4045-993a-9965aee9a642/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6a3c97d212c5da9fd8322cf568d9e152410da494dc81afa8e10ab2614b0e804 [2021-11-23 15:52:46,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:52:46,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:52:46,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:52:46,143 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:52:46,143 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:52:46,145 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7c0e98-ddfa-4045-993a-9965aee9a642/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem17_label23.c [2021-11-23 15:52:46,216 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7c0e98-ddfa-4045-993a-9965aee9a642/bin/ukojak-CwSLpZB5Qu/data/839432293/ab17eafff6f940ae81da785dc62b1bd1/FLAG08cbb5cb5 [2021-11-23 15:52:47,089 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:52:47,090 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7c0e98-ddfa-4045-993a-9965aee9a642/sv-benchmarks/c/eca-rers2012/Problem17_label23.c [2021-11-23 15:52:47,118 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7c0e98-ddfa-4045-993a-9965aee9a642/bin/ukojak-CwSLpZB5Qu/data/839432293/ab17eafff6f940ae81da785dc62b1bd1/FLAG08cbb5cb5 [2021-11-23 15:52:47,146 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7c0e98-ddfa-4045-993a-9965aee9a642/bin/ukojak-CwSLpZB5Qu/data/839432293/ab17eafff6f940ae81da785dc62b1bd1 [2021-11-23 15:52:47,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:52:47,152 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:52:47,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:47,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:52:47,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:52:47,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:47" (1/1) ... [2021-11-23 15:52:47,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31631a94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:47, skipping insertion in model container [2021-11-23 15:52:47,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:47" (1/1) ... [2021-11-23 15:52:47,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:52:47,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:52:47,483 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_4d7c0e98-ddfa-4045-993a-9965aee9a642/sv-benchmarks/c/eca-rers2012/Problem17_label23.c[3293,3306] [2021-11-23 15:52:48,304 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:48,316 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:52:48,335 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_4d7c0e98-ddfa-4045-993a-9965aee9a642/sv-benchmarks/c/eca-rers2012/Problem17_label23.c[3293,3306] [2021-11-23 15:52:48,910 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:48,935 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:52:48,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:48 WrapperNode [2021-11-23 15:52:48,936 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:48,937 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:48,938 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:52:48,938 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:52:48,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:48" (1/1) ... [2021-11-23 15:52:49,033 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:48" (1/1) ... [2021-11-23 15:52:49,209 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 2608 [2021-11-23 15:52:49,209 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:49,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:52:49,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:52:49,210 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:52:49,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:48" (1/1) ... [2021-11-23 15:52:49,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:48" (1/1) ... [2021-11-23 15:52:49,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:48" (1/1) ... [2021-11-23 15:52:49,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:48" (1/1) ... [2021-11-23 15:52:49,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:48" (1/1) ... [2021-11-23 15:52:49,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:48" (1/1) ... [2021-11-23 15:52:49,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:48" (1/1) ... [2021-11-23 15:52:49,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:52:49,464 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:52:49,464 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:52:49,464 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:52:49,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:48" (1/1) ... [2021-11-23 15:52:49,472 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:49,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7c0e98-ddfa-4045-993a-9965aee9a642/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:52:49,494 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7c0e98-ddfa-4045-993a-9965aee9a642/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:52:49,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7c0e98-ddfa-4045-993a-9965aee9a642/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:52:49,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:52:49,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:52:49,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:52:49,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:52:49,624 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:52:49,626 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:53:20,926 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:53:20,984 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 15:53:20,991 INFO L158 Benchmark]: Toolchain (without parser) took 33836.53ms. Allocated memory was 69.2MB in the beginning and 195.0MB in the end (delta: 125.8MB). Free memory was 39.9MB in the beginning and 97.8MB in the end (delta: -57.9MB). Peak memory consumption was 108.0MB. Max. memory is 16.1GB. [2021-11-23 15:53:20,992 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 69.2MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:20,994 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1782.83ms. Allocated memory was 69.2MB in the beginning and 107.0MB in the end (delta: 37.7MB). Free memory was 39.7MB in the beginning and 60.2MB in the end (delta: -20.5MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:20,995 INFO L158 Benchmark]: Boogie Procedure Inliner took 271.88ms. Allocated memory is still 107.0MB. Free memory was 60.2MB in the beginning and 59.6MB in the end (delta: 651.8kB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2021-11-23 15:53:20,996 INFO L158 Benchmark]: Boogie Preprocessor took 253.10ms. Allocated memory is still 107.0MB. Free memory was 59.6MB in the beginning and 47.2MB in the end (delta: 12.4MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2021-11-23 15:53:20,997 INFO L158 Benchmark]: RCFGBuilder took 31524.16ms. Allocated memory was 107.0MB in the beginning and 195.0MB in the end (delta: 88.1MB). Free memory was 47.2MB in the beginning and 97.8MB in the end (delta: -50.6MB). Peak memory consumption was 76.0MB. Max. memory is 16.1GB. [2021-11-23 15:53:21,005 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 69.2MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1782.83ms. Allocated memory was 69.2MB in the beginning and 107.0MB in the end (delta: 37.7MB). Free memory was 39.7MB in the beginning and 60.2MB in the end (delta: -20.5MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 271.88ms. Allocated memory is still 107.0MB. Free memory was 60.2MB in the beginning and 59.6MB in the end (delta: 651.8kB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 253.10ms. Allocated memory is still 107.0MB. Free memory was 59.6MB in the beginning and 47.2MB in the end (delta: 12.4MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * RCFGBuilder took 31524.16ms. Allocated memory was 107.0MB in the beginning and 195.0MB in the end (delta: 88.1MB). Free memory was 47.2MB in the beginning and 97.8MB in the end (delta: -50.6MB). Peak memory consumption was 76.0MB. 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 15:53:21,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7c0e98-ddfa-4045-993a-9965aee9a642/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